КОМБИНИРОВАННАЯ МАШИНА ДЛЯ ПРОБИВКИ И ЛАЗЕРНОЙ РЕЗКИ ПЛОСКОГО МЕТАЛЛИЧЕСКОГО ЛИСТА

Изобретение относится к комбинированной машине для пробивки и лазерной резки плоского металлического листа. Машина содержит неподвижное основание (1), неподвижную пробивную головку (7), лазерную режущую головку (10) и манипулятор (4) для перемещения металлического листа (6) в плоскости (ХУ) декартовой системы координат. Лазерная режущая головка (10) удерживается конструкцией (9) в виде циркуля с изменяемой апертурой, которая имеет возможность перемещения вдоль линейной направляющей (8). 4 з.п. ф-лы, 7 ил.

СПОСОБ ЛАЗЕРНОЙ НАГАРТОВКИ И УСТРОЙСТВО, ИСПОЛЬЗУЮЩЕЕ АБЛЯЦИОННЫЕ СЛОИ ДЛЯ ПРЕДОТВРАЩЕНИЯ ВЫКРАШИВАНИЯ ПРИ ЛАЗЕРНОЙ НАГАРТОВКЕ

Изобретение относится к способу лазерной нагартовки и изделию для лазерной нагартовки. На заготовку изделия наносят первый слой. Первый слой не содержит пустот или пузырьков, больших чем 1 Омикрон в диаметре. Первый слой напыляют или получают путем окунания. Наносят второй слой на первый слой. Затем направляют импульс лазерного света на второй слой. Упомянутый импульс имеет достаточную плотность энергии для абляции участка второго слоя, посредством чего выталкивается плазма. Плазма производит ударную волну, которая распространяется на первый слой и на заготовку, посредством чего осуществляется нагартовка заготовки. Любые пузырьки, образующиеся под верхними слоями, изолируются от подлежащей нагартовке поверхности. Процесс значительно снижает эффект появления выемок на нагартованных поверхностях. 2 н. и 26 з.п. ф-лы, 1 ил.

СПОСОБ СОЕДИНЕНИЯ ПО МЕНЬШЕЙ МЕРЕ ДВУХ МЕТАЛЛИЧЕСКИХ ЛИСТОВ И ЕГО ПРИМЕНЕНИЕ ДЛЯ ФОРМИРОВАНИЯ ОБЛЕГЧЕННОЙ КОНСТРУКЦИИ

Изобретение может быть использовано для соединения по меньшей мере двух металлических листов, имеющих малую толщину, в частности для элементов конструкции летательного аппарата. Получают соединение металлических листов с использованием прямого стыка путем формирования зоны соединения. Осуществляют механическую обработку верхней части и/или нижней части зоны соединения. Проводят механическую и/или химическую предварительную обработку металлических листов и/или зоны соединения для улучшения их адгезионных свойств. Наклеивают по меньшей мере один твердый усиливающий элемент для создания дополнительного пути нагружения в области верхней и/или нижней части зоны соединения. Ширина усиливающего элемента превышает ширину зоны соединения. По меньшей мере один твердый усиливающий элемент опирается по всей своей площади. В результате наклеивания по меньшей мере одного усиливающего элемента отпадает необходимость в обеспечении дорогостоящих утолщений в зоне стыка, которые, как правило, необходимы при ...

СПОСОБ ГИБРИДНОЙ ЛАЗЕРНО-ДУГОВОЙ СВАРКИ АЛИТИРОВАННЫХ СТАЛЬНЫХ ДЕТАЛЕЙ С ГАЗОМ, СОДЕРЖАЩИМ АЗОТ И/ИЛИ КИСЛОРОД

Изобретение относится к способу гибридной лазерно-дуговой сварки, осуществляемому с помощью электрической дуги и лазерного луча, сочетающихся друг с другом в единой сварочной ванне, в которую расплавленный металл подается посредством плавления расходуемой проволоки. Сварочную ванну получают на по меньшей мере одной стальной детали, содержащей поверхностное покрытие на основе алюминия. Процесс ведут с защитным газом. Защитный газ образован по меньшей мере одним основным компонентом, выбранным среди аргона и гелия, и по меньшей мере одним дополнительным компонентом, выбранным среди азота и кислорода. Защитный газ содержит от 1% до 20% по объему упомянутого одного дополнительного компонента. 10 з.п. ф-лы, 1 пр.

СПОСОБ УПРАВЛЕНИЯ ПРОЦЕССОМ ЛАЗЕРНОЙ РЕЗКИ И УСТРОЙСТВО ЛАЗЕРНОЙ РЕЗКИ ДЛЯ ЕГО ОСУЩЕСТВЛЕНИЯ

Группа изобретений относится к способу и устройству для лазерной резки. Согласно настоящему изобретению процессом лазерной резки управляют, используя в качестве опорного сигнала одну или несколько линий спектра испускания, характерных для излучения, испускаемого вспомогательным газом или газообразной примесью, находящейся в объеме материала, облучаемого сфокусированным лазерным лучом, сфокусированным лазерной головкой (12), при этом на основании определенного сигнала проводится корректировка по меньшей мере одного из следующих контролируемых параметров: мощность лазерного излучения, частота и коэффициент заполнения лазерных импульсов, давление вспомогательного газа, испускаемого соплом (16), являющимся частью лазерной головки (12), скорость перемещения лазерной головки (12) относительно заготовки (P), расстояние между лазерной головкой (12) и поверхностью (S) заготовки (P), и расстояние между фокусом (F) лазерного луча и поверхностью (S) заготовки (P). Техническим результатом является улучшение ...

АЛЮМИНИЕВЫЙ СПЛАВ

Изобретение относится к алюминиевому сплаву системы Al-Si-Cu и листовому продукту с этим сплавом, предназначенным в основном для использования в транспортных средствах. Алюминиевый сплав, предназначенный для соединения со сталью, имеет следующий состав, мас.%: Si 0,25-1,5, Cu 0,3-1,5, Fe до 0,5, Mn до 0,1, неизбежные примеси, включая Mg, в количестве, меньшем или равном 0,05 по отдельности и меньшем или равном 0,15 в совокупности, остальное - алюминий. Сборная конструкция содержит компонент из стального сплава и компонент из алюминиевого сплава заявленного состава, соединенный с стальным компонентом. Многослойный алюминиевый лист содержит средний слой и по меньшей мере один плакирующий слой, при этом по меньшей мере один плакирующий слой выполнен из заявленного алюминиевого сплава. Изобретение направлено на создание прочного и пластичного соединения алюминиевого сплава со сталью без использования присадочного материала. 6 н. и 15 з.п. ф-лы, 2 пр., 3 табл., 14 ил.

СПОСОБ ПОЛУЧЕНИЯ СВАРНОГО СОЕДИНЕНИЯ НЕСКОЛЬКИХ ПЛОСКИХ, ПРИЛЕГАЮЩИХ ДРУГ К ДРУГУ ДЕТАЛЕЙ ПОСРЕДСТВОМ СВАРКИ ТРЕНИЕМ С ПОСЛЕДУЮЩЕЙ ДЕФОРМАЦИЕЙ БУРТИКА И СВАРНОЕ СОЕДИНЕНИЕ, ПОЛУЧЕННОЕ ЭТИМ СПОСОБОМ

Изобретение может быть использовано при соединении сваркой трением нескольких плоских, прилегающих друг к другу деталей, удерживаемых вместе посредством соединительного элемента. Соединительный элемент (1) имеет буртик (5) со стороны верхней детали (2). На первом этапе соединения осуществляют сварку трением путем вращения соединительного элемента (1) и приложения к нему давления до формирования зоны сварки между торцевой стороной соединительного элемента и нижней деталью (3). На втором этапе после остановки вращения соединительного элемента (1) к нему прикладывают давление посредством прижимного инструмента, которое обеспечивает прижатие буртика (5) за счет его деформации к верхней детали (2) до создания удерживающего напряжения, направленного в сторону нижней детали. Благодаря прижатию буртика на втором этапе, на верхнюю деталь оказывается постоянное давление, не зависящее от формы и конечного состояния соединения сваркой трением. 2 н. и 21 з.п. ф-лы, 28 ил.

МНОГОЛУЧЕВАЯ ЛАЗЕРНАЯ СИСТЕМА И СПОСОБЫ СВАРКИ

Изобретение относится к лазерной системе с многолучевым выходным излучением (варианты) и способу сварки заготовок. Система представляет мультиволоконную лазерную систему, подающую выходное излучение по меньшей мере по трем волокнам, расположенным по окружности или же выходное излучение по меньшей мере четырех отдельных лазеров из одного рабочего кабеля. Изобретение позволяет управлять по меньшей мере тремя лазерными модулями и подавать, соответственно, их выходное излучение в заранее заданной последовательности внутри одного рабочего кабеля, обеспечивая таким образом множество стадий обработки заготовки, которая ранее требовала отдельной оптической системы для каждого луча. Выходное излучение по меньшей мере трех лазеров оптимизировано для применения в создании точечных сварных соединений, шовных сварных соединений или виртуальных осцилляционных сварных соединений при использовании для шовной сварки. 3 н. и 17 з.п. ф-лы, 10 ил.

СПОСОБ И УСТАНОВКА ДЛЯ СВАРКИ ЛАЗЕРНЫМ ЛУЧОМ ПО МЕНЬШЕЙ МЕРЕ ДВУХ КОМПОНЕНТОВ

Изобретение относится к способу и установке для сварки лазерным лучом по меньшей мере двух компонентов (102, 104) из суперсплавов. В способе обеспечивают по существу одновременное создание основного сварного шва (110) с использованием первого присадочного металла, расположенного между указанными компонентами (102, 104), и поверхностного сварного шва (112) с использованием второго присадочного металла, выполняемого поверх основного шва. Между указанными компонентами, которые могут быть выполнены с необязательным желобком (105) вдоль поверхности (114) соединения (102, 104), вставляют прокладку (506). Поверх заданной поверхности (114) или внутрь необязательного желобка (105) подают присадочную проволоку (504). Два лазера (700, 702) или лазер (600) и присоединенный расщепитель (604) луча обеспечивают создание первого и второго лазерных лучей (508, 510), направленных на фокусные точки (512, 514), расположенные на заданном расстоянии (509) друг от друга (например, 0,05-1,5 см). Первый лазерный ...

ПОЛЗАЮЩАЯ СИСТЕМА НА МАЛОМ НЕСУЩЕМ ЭЛЕМЕНТЕ

Изобретение относится к области производства несущих конструкций, например, таких, как панели обшивки самолетов. Устройство содержит систему приспособлений, выполненную с возможностью выполнения технологической операции в заданном месте на конструкции, систему для перемещения, выполненную с возможностью перемещения системы приспособлений вдоль удлиненного несущего элемента на конструкции к заданному месту и зажимную систему, включающую в себя первый направляющий элемент, второй направляющий элемент, имеющий два колесных узла, которые выполнены с возможностью вхождения в контакт с удлиненным несущим элементом, и систему для перемещения второго направляющего элемента с возможностью его введения во взаимодействие с удлиненным несущим элементом и выведения из взаимодействия с ним. 2 н. и 8 з.п. ф-лы, 14 ил.

УСТАНОВКА И СПОСОБ ДЛЯ ИЗГОТОВЛЕНИЯ ТРУБЧАТОЙ БАЛКИ С ОДНОЙ ЦЕНТРАЛЬНОЙ СЕКЦИЕЙ

Изобретение относится к установке для формования листа (варианты), способу формования трубчатой балки (варианты) и к машине для роликового профилирования. Техническим результатом является повышение производительности оборудования и повышение точности размеров балки. Технический результат достигается установкой для формования листа в непрерывную балку, имеющую четыре наружные стенки и общую центральную секцию, простирающуюся между противоположными двумя из данных стенок. При этом четыре наружные стенки образуют прямоугольное поперечное сечение, и общая центральная секция разделяет прямоугольное поперечное сечение на первый и второй соседние трубчатые элементы. При этом общая центральная секция имеет закругленные по радиусу концы, а лист имеет края, которые упираются в закругленные по радиусу концы. Установка содержит машину для роликового профилирования, включающую позиции роликового профилирования с роликами для формования листа. При этом машина включает станцию сварки со сварочными аппаратами ...

СПОСОБ РЕЗКИ ХРУПКИХ МАТЕРИАЛОВ

Изобретение относится к способам резки (термораскалывания) хрупких материалов, таких как пластины из любого типа стекла, всех типов керамики, а также полупроводниковых материалов, и может использоваться в автомобилестроении для изготовления стекол и зеркал, в электронной промышленности, а также в других областях техники. Способ включает нагрев поверхности материала по линии реза с помощью лазерного пучка, создание несквозного надреза материала по линии реза, дополнительное воздействие на поверхность материала в зоне нанесения надреза упругими волнами, охлаждение зоны нагрева поверхности материала с помощью хладагента, при этом упругими волнами воздействуют на поверхность материала в зоне действия хладагента. Дополнительное воздействие на поверхность материала осуществляют не менее чем двумя источниками упругих волн, которые располагают с противоположных боковых сторон материала поперек линии реза, при этом получают упругие волны, амплитуду и частоту которых выбирают из условия формирования ...

СПОСОБ СВАРКИ ТРЕНИЕМ С ПЕРЕМЕШИВАНИЕМ ДЛЯ ВЫСОКОПРОЧНОЙ ТОНКОЛИСТОВОЙ ИЛИ ТОЛСТОЛИСТОВОЙ СТАЛИ

Изобретение может быть использовано для соединения сваркой трением с перемешиванием высокопрочной конструкционной стали в виде листов или плит. Способ обеспечивает устранение неоднородности нагрева и пластического течения, создаваемого в результате перемешивания размягченных участков. Условия проведения сварки трением с перемешиванием соответствуют следующим параметрам: скорость вращения инструмента составляет от 100 об/мин до 1000 об/мин, крутящий момент инструмента – от 50 н⋅м до 500 н⋅м, а скорость сварки – от 10 мм/мин до 1000 мм/мин. Показатель чувствительности стали к растрескиванию Pcm, рассчитанный по формуле (1), удовлетворяет соотношению 0,18≤Pcm≤0,30. Величина подвода тепла при сварке HI, рассчитанная по формуле (2), находится в диапазоне от 1,5 до 20 и удовлетворяет формуле (3) при соотношении с величиной Pcm, причем. 2 з.п. ф-лы, 3 табл., 5 ил.

СВАРОЧНОЕ ОБОРУДОВАНИЕ

Сварочное оборудование может быть использовано для сварки стыков множества заготовок В, расположенных напротив друг друга. Координатные станции 4 и 6 предназначены для размещения отдельных заготовок. Сварочная станция 2 имеет сварочную головку. Первый стол 10 и второй стол 12 способны передвигаться между сварочной станцией 2 и соответственными координатным станциями 4 и 6. Когда первый стол 10 передвигается на координатную станцию 4, второй стол 12 передвигается на сварочную станцию 2, и когда первый стол 10 передвигается на сварочную станцию 2, второй стол 12 передвигается на координатную станцию 6. Таким образом, заготовки могут быть сварены вместе сварочной головкой с получением готового изделия. В соответствии с первым вариантом выполнения оборудования первый координатный стол расположен на одной стороне сварочной станции, а второй координатный стол расположен противоположно ему на другой стороне сварочной станции. Причем первый координатный стол и второй координатный стол расположены ...

ЛАМИНАТ СО СВАРЕННЫМИ ВСТЫК МЕТАЛЛИЧЕСКИМИ СЛОЯМИ

... 1. Ламинат, содержащий, по меньшей мере, два металлических слоя и армированный волокном пластиковый связующий слой, расположенный между металлическими слоями, причем, по меньшей мере, один из металлических слоев содержит металлические листы, соединенные друг с другом, отличающийся тем, что металлические листы металлического слоя соединены друг с другом при помощи стыкового сварного соединения. 2. Ламинат по п.1, отличающийся тем, что сварной шов, полученный при помощи стыкового сварного соединения, имеет толщину, равную толщине металлических листов. 3. Ламинат по п.1 или 2, отличающийся тем, что металлические слои имеют толщину менее чем 1 мм. 4. Ламинат по п.1 или 2, отличающийся тем, что металлические листы образованы из Al, Cu, Li, Mg, Si или Ti, или из их сплавов. 5. Ламинат по п.3, отличающийся тем, что металлические листы образованы из Al, Cu, Li, Mg, Si или Ti, или из их сплавов. 6. Ламинат по п.4, отличающийся тем, что использован титановый сплав марки 15-3-3-3. 7. Ламинат по п.5 ...

ЛИСТОВАЯ СВАРНАЯ ЗАГОТОВКА ДЛЯ ГОРЯЧЕЙ ШТАМПОВКИ, ГОРЯЧЕШТАМПОВАННЫЙ ЭЛЕМЕНТ И СПОСОБ ДЛЯ ЕГО ПРОИЗВОДСТВА

Изобретение относится к области металлургии, а именно к получению листовой сварной заготовке для горячей штамповки. Заготовка включает в себя сварную часть, сформированную путем сварки встык первого покрытого металлическим алюминием стального листа и второго покрытого металлическим алюминием стального листа. Сварная часть получена на режимах, обеспечивающих среднюю концентрацию алюминия в сварочном металле в сварной части от 0,3 мас.% до 1,5 мас.%, а температура точки Acсварочного металла составляет 1250°C или ниже. Обеспечивается требуемая прочность соединения после горячей штамповки. 4 н. и 12 з.п. ф-лы, 3 ил., 4 табл., 2 пр.

СПОСОБ СТЫКОВОЙ ЛАЗЕРНОЙ СВАРКИ ДВУХ МЕТАЛЛИЧЕСКИХ ЛИСТОВ ПЕРВЫМ И ВТОРЫМ ПЕРЕДНИМИ ЛАЗЕРНЫМИ ЛУЧАМИ И ЗАДНИМ ЛАЗЕРНЫМ ЛУЧОМ

Изобретение относится к способу стыковой лазерной сварки двух металлических листов (2, 4). Обеспечивают наличие первого металлического листа (2) и второго металлического листа (4), осуществляют стыковую сварку металлических листов (2, 4) в направлении сварки. Стыковая сварка содержит одновременное испускание: первого переднего лазерного луча (12), образующего первое переднее пятно (18) на пересечении с первым металлическим листом (2) и генерирующего первое переднее сквозное проплавление в первом металлическом листе (2) у первого переднего пятна (18), второго переднего лазерного луча (14), образующего второе переднее пятно (20) на пересечении со вторым металлическим листом (4) и генерирующего второе переднее сквозное проплавление во втором металлическом листе (4) у второго переднего пятна (20), и заднего лазерного луча (16), образующего заднее пятно (22) на первом и втором металлических листах (2, 4) и генерирующего заднее сквозное проплавление в первом и втором металлических листах (2, ...

СПОСОБ СВАРКИ ТРЕНИЕМ С ПЕРЕМЕШИВАНИЕМ ПРИ ПОМОЩИ УСТРОЙСТВА С ВТЯГИВАЮЩИМСЯ ШТИФТОМ С ВТЯГИВАНИЕМ ВТЯГИВАЮЩЕГОСЯ ШТИФТА В КОНЦЕ ТРАЕКТОРИИ

... 1. Способ осуществления сварного соединения трением с перемешиванием двух панелей (20, 21), соответственно верхней панели (21) и нижней панели (20), причем упомянутое сварное соединение осуществляется между первым краем, называемым начальным, и вторым краем, называемым конечным, отличным от первого края, использующий сварочное устройство (25) с втягивающимся штифтом (29), причем упомянутый способ включает в себя следующие этапы: ! устанавливают и удерживают две упомянутые панели (20, 21) в контакте вдоль зоны перекрытия (24) в относительном положении, желательном после сварки; ! вводят сварочное устройство в контакт с панелью или панелями в зоне близости от передней кромки зоны перекрытия для формирования начала сварного соединения; ! сваривают в продольном направлении две эти панели, перемещая сварочное устройство до задней кромки зоны перекрытия для формирования конечного края сварного соединения, причем сварное соединение проходит от задней кромки до передней кромки зоны перекрытия; ...

СИСТЕМА И СПОСОБ ДЛЯ ИЗГОТОВЛЕНИЯ ГРАВИРОВАННОЙ ПЛАСТИНЫ

... 1. Система для изготовления гравированной пластины для глубокой печати листов ценных бумаг, содержащая компьютер и, по меньшей мере один гравировальный инструмент, управляемый указанным компьютером в соответствии с запрограммированным процессом гравирования, отличающаяся тем, что указанный компьютер запрограммирован для управления указанным гравировальным инструментом в соответствии с трехмерными управляющими пиксельными данными (X, Y, Z) карты эталонной глубины одного упомянутого листа для гравирования не гравированной пластины от пикселя к пикселю, ! при этом карта эталонной глубины формируется на компьютере на основании по меньшей мере одной, хранимой в компьютере, карты глубины оригинала, состоящей из трехмерного растрового изображения, по меньшей мере, части одной упомянутой ценной бумаги. ! 2. Система по п.1, отличающаяся тем, что указанная система запрограммирована для гравирования пластины для глубокой печати или промежуточной пластины для пластины для глубокой печати. ! 3. Система ...

СПОСОБ КОНТАКТНОЙ ТОЧЕЧНОЙ СВАРКИ

ПОЛЗАЮЩАЯ СИСТЕМА НА МАЛОМ НЕСУЩЕМ ЭЛЕМЕНТЕ

Соединение листа стали с Zn покрытием, выполненное посредством дуговой сварки

МНОГОЛУЧЕВАЯ ЛАЗЕРНАЯ СИСТЕМА И СПОСОБЫ СВАРКИ

СПОСОБ ПОЛУЧЕНИЯ СВАРНОГО СОЕДИНЕНИЯ НЕСКОЛЬКИХ ПЛОСКИХ, ПРИЛЕГАЮЩИХ ДРУГ К ДРУГУ ДЕТАЛЕЙ ПОСРЕДСТВОМ СВАРКИ ТРЕНИЕМ С ПОСЛЕДУЮЩЕЙ ДЕФОРМАЦИЕЙ БУРТИКА И СВАРНОЕ СОЕДИНЕНИЕ, ПОЛУЧЕННОЕ ЭТИМ СПОСОБОМ

... 1. Способ получения соединения сваркой трением плоских, прилегающих друг к другу деталей (2, 3), удерживаемых вместе посредством соединительного элемента (1, 22, 35, 39), буртик (5, 10, 23) которого опирается на верхнюю деталь (2, 28, 32), а торцевая сторона которого вместе с нижней деталью (3) образует зону сварки трением путем вращения и давления соединительного элемента (1, 22, 35, 39), отличающийся тем, что после формирования зоны сварки трением на первом этапе, в конце которого заканчивается вращение соединительного элемента (1, 22, 35, 39), на втором этапе, после остановки соединительного элемента (1, 22, 39) до соприкосновения буртика (5, 10, 23) с верхней деталью (2, 28, 32), к соединительному элементу (1, 22, 35, 39) посредством прижимного инструмента прикладывают давление, которое прижимает буртик (5, 10, 23) к верхней детали (2, 28, 32) за счет его деформации. ! 2. Способ по п.1, отличающийся тем, что соединительный элемент (1, 22, 35, 39) проводят через отверстие (7, 30, 34) ...

VERFAHREN UND GERÄT ZUM VERBINDEN VON METALLSTÜCKEN

Rohrbalken mit zentralem Einzelträger

Vorrichtung zum Umformen eines Blechs zu einem durchgehenden Balken mit vier Außenwänden und einem gemeinsamen zentralen Träger, welcher sich zwischen zwei einander gegenüberliegenden Wänden erstreckt, wobei die vier Außenwände einen rechteckigen Querschnitt definieren, und der gemeinsame zentrale Träger den rechteckigen Querschnitt in ein erstes und ein zweites aneinandergrenzendes Rohr teilt, wobei der gemeinsame zentrale Träger gerundete Enden aufweist, welche jeweils Gleitebenen senkrecht zu dem gemeinsamen zentralen Träger definieren, und wobei das Blech Kanten aufweist, welche an die gerundeten Enden anstoßen, umfassend: Walzprofilierstationen mit Walzen zum Umformen des Blechs zu einem durchgehenden Balken mit den vier Außenwänden und dem gemeinsamen zentralen Träger; und eine Schweißstation mit Schweißeinrichtungen und einer Schweißboxvorrichtung, wobei die Schweißboxvorrichtung einen Vorrichtungsrahmen und äußere Dorne beinhaltet, welche von dem Vorrichtungsrahmen gestützt werden ...

Drehendes Reibungsschweissen

REMOTE-LASERSCHWEISSEN SICH ÜBERLAPPENDER METALLWERKSTÜCKE MIT HOHER GESCHWINDIGKEIT

Ein Verfahren zum Laserschweißen eines Werkstückstapels (10), der mindestens zwei sich überlappende Metallwerkstücke (12, 14) enthält, umfasst das Voranbewegen eines Laserstrahls (24) relativ zu einer Ebene einer Oberseite (20) des Werkstückstapels (10) von einem Startpunkt (84) zu einem Endpunkt (68) entlang eines Strahlverfahrmusters (78) mit einer hohen Laserstrahlverfahrgeschwindigkeit von mehr als 8 Meter pro Minute. Die zwei oder mehreren sich überlappenden Metallwerkstücke (12, 14) können Stahlwerkstücke oder Aluminiumwerkstücke sein, und mindestens eines der Metallwerkstücke (12, 14) enthält eine Oberflächenbeschichtung (40). Das Vorschieben des Laserstrahls (24) entlang des Strahlverfahrmusters (78) bildet eine Schweißverbindung (76) aus, die wiedererstarrtes Verbundwerkstückmaterial enthält, das von jedem der Metallwerkstücke (12, 14) stammt, in das ein Schmelzbad (80) eingedrungen ist, die die Metallwerkstücke (12, 14) miteinander verschweißt. Die relativ hohe Laserstrahlverfahrgeschwindigkeit ...

Verfahren zur trennenden Bearbeitung eines plattenförmigen Materials in einer Maschine sowie eine Maschine zur trennenden Bearbeitung des plattenförmigen Materials, insbesondere zur Durchführung des Verfahrens

Die Erfindung betrifft ein Verfahren zur trennenden Bearbeitung eines plattenförmigen Materials (8) in einer Maschine (2), welche eine Bearbeitungsstation (5) in einem Maschinengrundgestell (44) umfasst, der eine Be- und Entladestation (10) zugeordnet ist, bei dem auf einer zwischen der Bearbeitungsstation (5) und der Be- und Entladestation (10) verfahrbaren Palette (11) ein plattenförmiges Material (8) aufgelegt wird und bei dem die Palette (11) in die Bearbeitungsstation (5) für einen nachfolgenden Bearbeitungsprozess eingefahren und auf einem Palettenträger (46) für die nachfolgende Bearbeitung des plattenförmigen Materials (8) positioniert wird, wobei vor dem Beginn des Bearbeitungsprozesses des plattenförmigen Materials (8) die Palette (11) mit einer Luftfedereinrichtung (42) von dem Palettenträger (46) abgehoben und entkoppelt zum Palettenträger (46) positioniert wird.

PUNKTSCHWEISSEN

Ein System zum Punktschweißen von zwei Blechen beinhaltet eine Vielzahl von leitfähigen Partikeln an einer Schnittstelle zwischen den beiden Blechen, eine erste Elektrode und eine zweite Elektrode. Die erste Elektrode und die zweite Elektrode sind so angeordnet, dass sie die beiden Metallbleche zusammenklemmen, sodass die leitfähigen Partikel an der Schnittstelle zwischen den Blechen in die Bleche eingebettet werden. Eine Leiterbahn wird von der ersten Elektrode zur zweiten Elektrode durch die Bleche und die Vielzahl von metallischen Partikeln hindurch gebildet.

Clamp component for connecting or joining workpieces in vehicle body assembly

The clamp component comprises a holder (7) with a ceramic seating (10). The seating may be convexly formed or flat. The basic body of the holder is comprised of metal for at least for part of its outer surface which works together with the material to be welded. This metal may be brass. Alternatively the outer surface of the basic body may have a coating of ceramic. The seatings are the points of contact with the parts.

Verfahren zum Steuern der Eindrücktiefe einer Elektrode in ein Metallsubstrat während des Schweißens

Ein Verfahren zum Steuern einer Eindrucktiefe (22) einer Elektrode (18) in ein Metallsubstrat (12) während der Bildung einer Schweißnaht (10) umfasst, dass eine Schweißkraft (28), ein Strom (30), eine Dauer (32), eine minimale Eindrucktiefe (34) und eine maximale Eindrucktiefe (36) gewählt werden, das Substrat (12) mit der Elektrode (18) in Kontakt gebracht wird, um die Kraft (28) auf das Substrat (12) anzuwenden, der Strom (30) der Elektrode (18) zugeführt wird, um die Bildung der Schweißnaht (10) in Übereinstimmung mit einem ersten Zustand, in dem die Tiefe (22) kleiner ist als das Minimum (34), einem zweiten Zustand, in dem die Tiefe (22) größer oder gleich dem Minimum (34) und kleiner oder gleich dem Maximum (36) ist, und einem dritten Zustand, in dem die Tiefe (22) größer ist als das Maximum (36), einzuleiten, und die Tiefe (22), das Minimum (34) und das Maximum (36) verglichen werden. Für den ersten Zustand wird die Dauer (32) geändert. Für den zweiten Zustand wird jedes von der Kraft ...

Vorrichtung zur Laserreinigung beschichteter Materallien vor dem Schweissen

Ein System (200, 300, 500) und ein Verfahren werden bereitgestellt, bei dem ein beschichtetes Werkstück (W) mit hoher Geschwindigkeit mit minimaler Porosität und Spritzerbildung verschweißt werden. Die Beschichtung (C) auf dem Werkstück wird entfernt oder durch eine Hochenergie-Wärmequelle (109) abgetragen, bevor sie in einem Schweißvorgang geschweißt wird, so dass eine hohe Schweißgeschwindigkeit erzielt wird. Die Hochenergie-Wärmequelle (109) ist stromaufwärts des Schweißvorgangs angeordnet, um zumindest einen Teil der Oberflächenbeschichtungen an einem Werkstück (W) zu verdampfen oder zu entfernen.

Vibrationsschweißer mit einem Werkzeug mit geringer thermischer Leitfähigkeit

Nach einem Aspekt der vorliegenden Offenbarung hat ein Vibrationsschweißer zum Zusammenschweißen von Teilen ein Vibrationswerkzeug, welches aus einem Material gemach ist, welches eine geringe thermische Leitfähigkeit von nicht mehr als 5 Watt/Meter Grad Kelvin hat und außerdem eine ausreichende Stärke und Zähigkeit zum Vibrationsschweißen. Nach einem Aspekt ist das Vibrationswerkzeug aus einem Material gemacht, welches eine Druckfestigkeit von mindestens 80 MPa (Megapascal) und eine Bruchzähigkeit (KIc) von mindestens 3 MPa(m)1/2 hat.

Trennvorrichtung

Vorrichtung zum Herstellen von Blechpackungen und Blechgefaessen aus Weissblech

Metallverbindungsstruktur und Verfahren zur Herstellung einer Metallverbindungsstruktur

Eine Metallverbindungsstruktur (100) weist auf: ein Eisenlegierungsteil (1); ein Aluminiumlegierungsteil (2); und eine Verbindungszwischenschicht (3), die zwischen dem Eisenlegierungsteil (1) und dem Aluminiumlegierungsteil (2) angeordnet ist. Die Verbindungszwischenschicht (3) umfasst: eine Eisen-Silicium-Teilschicht (4) in Mischkristallphase in Kontakt mit dem Eisenlegierungsteil (1); eine Aluminium-Silicium-Teilschicht (5) in eutektischer Phase in Kontakt mit dem Aluminiumlegierungsteil (2); und eine Silicium-Teilschicht (6), die zwischen der Eisen-Silicium-Teilschicht (4) in Mischkristallphase und der Aluminium-Silicium-Teilschicht (5) in eutektischer Phase angeordnet ist.

Roll seam welding assembly has first electrode wheel with circumferential groove that enfolds the rim of a second electrode wheel

A roll seam welding assembly for an L-shaped folded seam (4) two sheet metal panels (2) has two powered rotating axles (51, 61), each bearing a co-axial roller (70) electrode and coupled to a welding power supply (54, 64, 80). The folded seam has a first shank (41) at right angles to the uppermost sheet metal panel (2), and a second shank (42) bent at 90 degrees. One of the dumbbell shafts (51, 61) moves relative to the other between a first position in which the rollers are face-to-face on opposite sides of the same shank, and a second position in which the welding assembly can move sideways from the folded seam (4). One of the rollers has a circumferential groove (70) that enfolds the second shank (42) during the welding operation.

Werkstückauflage für eine Bearbeitungsmaschine sowie Bearbeitungsmaschine

Werkstückauflage (4) für eine Bearbeitungsmaschine (1), mit zumindest einer ersten und zweiten Auflagefläche (14, 15), zwischen denen eine Strahlfangvorrichtung (16) durch Vergrößern der einen und Verkleinern der anderen Auflagefläche (14, 15) verfahrbar ist, mit mindestens einer die Auflageflächen (14, 15) bildenden Werkstückauflagekette (12), welche Kettenglieder (40) mit einer ersten und einer zweiten Verbindungsseite (41, 42) und einer dazwischen liegenden Werkstückauflagefläche (20) aufweist, wobei die erste Verbindungsseite (41) eines Kettenglieds (40) mit einer zweiten Verbindungsseite (42) eines weiteren Kettenglieds (40) zusammengefügt ist, dadurch gekennzeichnet, dass die erste Verbindungsseite (41) eines Kettenglieds (40) eine erste Sperrkomponente (43) und die zweite Verbindungsseite (42) des Kettenglieds (40) eine dazu komplementäre zweite Sperrkomponente (44) aufweist, so dass die Werkstückauflageflächen (20) von zwei benachbarten, zusammengefügten Kettengliedern (40) zueinander ...

Bearing component useful for a workpiece support, comprises a supporting segment attachable to a base plate of a workpiece support, supporting part and stroke limiting part

Bearing component (12) comprises a supporting segment (14), at least one supporting part (15) and at least one stroke limiting part (33). The supporting segment is attachable to a base plate of a workpiece support (4) by the supporting part and/or the stroke limiting part in tilting or wobbling manner. An independent claim is also included for a processing machine, comprising a collecting device for a machining beam, which is arranged at least predominantly below a support plane of a workpiece support of the processing machine, with respect to the workpiece support, where workpiece support comprises at least one bearing component.

Laser cutting process to cut a taut decorative foil panel for application to an automobile body panel, aircraft, ship or furniture

In a process to cut a decorative foil panel (5) for application to an automobile body panel, the foil is held flat and cut to size by a laser beam. The foil is self-adhesive plastic.

Method of reducing or preventing oscillation amplitudes on a welding seam of a laser optics for making a laser welding seam, involves isolating the tool across the machining line

The method involves using a tool (2) which is isolated or at least cushioned against the natural frequency of the robot gripper arm (1) and/or oscillations appearing as impact. The oscillation of the tool across the machining line is isolated or damped. An Independent claim is also included for a device for carrying out the method.

Laserbearbeitungsmaschine und Verfahren zum Umrüsten derselben

Die Erfindung betrifft eine Laserbearbeitungsmaschine (1), insbesondere eine Laser-Flachbettmaschine, zur wahlweisen Bearbeitung von plattenartigen oder von rohrförmigen Werkstücken, umfassend: eine Verschiebeeinrichtung (8), an welcher ein Werkstücktisch (7) zur Auflage eines plattenartigen Werkstücks (22) festlegbar ist, um den Werkstücktisch (7) in einen Bearbeitungsbereich (2) der Laserbearbeitungsmaschine (1) und aus diesem heraus zu bewegen, sowie eine Handhabungseinrichtung (3, 4, 5, 6) zur Handhabung eines rohrförmigen Werkstücks (22) bei der Bearbeitung des rohrförmigen Werkstücks (22) in dem Bearbeitungsbereich, wobei die Handhabungseinrichtung mindestens eine Stützeinrichtung (4, 5, 6) zur Unterstützung des rohrförmigen Werkstücks (22) bei der Bearbeitung aufweist. Die Stützeinrichtung (5) ist in Längsrichtung (X) des rohrförmigen Werkstücks (22) mindestens über 20%, bevorzugt mindestens über den halben Bearbeitungsbereich (2) gesteuert bewegbar und ist bevorzugt an der Verschiebeeinrichtung ...

Verfahren und Vorrichtung zum Plasma-Lichtbogenschweißen

Blech für ein Blechpaket einer elektrischen Maschine, Blechpaket für eine elektrische Maschine sowie ein Verfahren zum Herstellen eines solchen Bleches

Die Erfindung betrifft ein Blech (10) für ein Blechpaket (12) einer elektrischen Maschine, mit zumindest einem Kantenbereich (16), der durch Trennen des Bleches (10) von einem weiteren Blechelement gebildet ist, wobei zumindest ein Abschnitt des Kantenbereichs (16) bei einer Temperatur von mehr als 100 Grad Celsius thermisch nachbehandelt ist ...

Bauteilabschnitte an galvanisierten Kunststoffbauteilen

Die Erfindung betrifft Bauteilabschnitte (1) an galvanisierten Kunststoffbauteilen (2), welche zum dauerhaften Zusammenfügen mittels Ultraschallschweißprozess (3) an einem weiteren Bauteil (4) mit entsprechenden, aufnehmenden Durchbrüchen und Öffnungen (10) Verwendung finden, wobei die freien Enden der Bauteilabschnitte (1) derart geometrisch ausgestaltet sind, dass eine Metallabscheidung (6) bei der galvanischen Beschichtung im Bereich der Konturen (7) vermieden oder vermindert ist.

Verfahren zum Verschweißen artungleicher metallischer Fügepartner

Die Erfindung bezieht sich auf ein Verfahren zum Verschweißen artungleicher metallischer Fügepartner (3; 4), mit folgenden Verfahrensschritten: – Bereitstellen eines ersten Fügepartners (3) aus einem ersten metallischen Werkstoff, – Bereitstellen eines zweiten Fügepartners (4) aus einem zweiten metallischen Werkstoff, – Applizieren zumindest eines Klebstoffs auf mindestens eine Kontaktfläche (10) zumindest eines der beiden artungleichen metallischen Fügepartner (3; 4) vor dem Verschweißen der beiden artungleichen metallischen Fügepartner (3; 4), – dann Zusammenführen der beiden artungleichen metallischen Fügepartner (3; 4), wobei diese an der mindestens einen Kontaktfläche (10) mittels des mindestens einen auf letzterer applizierten Klebstoffs (11) miteinander verpresst werden, und – anschließend Führen eines Energiestrahls (5) hoher Leistung mit hoher Bahngeschwindigkeit vB über den ersten Fügepartner (3) mit höherem Schmelzpunkt der beiden artungleichen metallischen Fügepartner (3; 4) ...

Schweissflächengestaltung zum Punktschweissen

Eine Schweißelektrode zum Gebrauch beim Eingreifen in ein Aluminiumlegierungs-Werkstück während eines Punktschweißverfahrens weist eine Schweißfläche auf, die eine Grundfläche und eine Vielzahl von kreisförmigen Wulsten umfasst, die von der Grundfläche nach außen vorstehen. Die Wulste sind abgestumpft und ihr Vorhandensein auf der Schweißfläche versieht die erste Schweißelektrode mit mehreren nützlichen Fähigkeiten einschließlich der Fähigkeit, einen besseren mechanischen und elektrischen Kontakt mit dem Aluminiumlegierungs-Werkstück herzustellen.

Verfahren und Vorrichtung zum Stumpfschweissen von metallischen Blechen

Verfahren zur Untersuchung einer maximalen Überbrückbarkeit eines Spaltes zwischen wenigstens zwei zu verschweißenden Bauteilen

Die Erfindung betrifft ein Verfahren zur Untersuchung einer maximalen Überbrückbarkeit eines Spaltes zwischen mindestens zwei zu verschweißenden Bauteilen. Bei einem Verfahren, bei welchem der Einfluss verschiedener Spaltgrößen auf eine Schweißnaht untersucht werden kann, werden für einen Schweißversuch an mindestens einem der Bauteile (1), vorzugsweise mechanisch geprägte, Noppen (5) präpariert, deren Noppentiefe einer einzustellenden Höhe bzw. Breite des Spaltes (9, 13) entspricht.

Verfahren und Vorrichtung zum Laserschweissen von zwei oder mehr überlappenden Blechen und zum Klemmen der Bleche

VERFAHREN ZUM BRENNSCHNEIDEN VON EISENMATERIALEN Z.B. BAUSTAHL MIT PLASMAVORHEIZUNG

Verfahren und Vorrichtung zum rissfreien Schweißen, Reparaturschweißen oder Auftragsschweißen heißrissanfälliger Werkstoffe

Verfahren zum rissfreien Schweißen, Reparaturschweißen oder Auftragschweißen heißrissanfälliger Werkstoffe mittels eines Schweißverfahrens hoher Leistungsdichte und einer weiteren, mit der Schweißgeschwindigkeit in einem konstanten Abstand zur Schweißzone mitlaufenden örtlichen Temperaturbeaufschlagung, dadurch gekennzeichnet, dass die mitlaufende örtliche Temperaturbeaufschlagung durch zwei beidseitig parallel oder nahezu parallel zur Schweißrichtung (8) verlaufende und sich zur Schweißrichtung (8) längs erstreckende elektromagnetisch durch eine Volumenenergiequelle im Inneren der Bauteile 1 und 2 (1, 2) (22) erzeugte Temperaturfelder (9, 10) erfolgt, die beide in Schweißrichtung (8) vor der Schweißzone (4) beginnen und deren Temperaturmaxima (13) sich außerhalb der Wärmeeinflusszone (14) und in Schweißrichtung (8) hinter der Erstarrungszone (6) befinden und die Tiefe der Temperaturfelder (9, 10) am Ort des Temperaturmaximums (13) mindestens die Schweißnahttiefe erreicht.

Schutztüre für eine Bearbeitungsmaschine

Es wird eine Schutztüre (3) für eine Bearbeitungsmaschine (1) bereitgestellt, die in einer Öffnungs- und Schließrichtung hin- und herbewegbar ist. Die Schutztüre (3) weist ein Schutzelement (8) auf, das auf einer Seite der Schutztüre (3) in der Schließrichtung angebracht ist und zu einem Türblatt (4) der Schutztüre (3) in der Öffnungs- und Schließrichtung beweglich ist. Das Schutzelement (8) ist mit einem Schaltelement (10) versehen, das bei einem Auftreffen auf ein Hindernis schaltet. Beim Auftreffen auf das Hindernis wird zusätzlich zu dem Schalten des Schaltelements (10) das Schutzelement (8) in Richtung des Türblatts (4) gedrückt, um eine Verletzungs- oder Beschädigungsgefahr zu reduzieren.

Machining device, comprises machining tools movable in three directions as well as cutting unit movable in two directions

The device (1) can be fitted with a portal arrangement (7) or with another kind of carrying unit suitable for processing large flat work-pieces (30), in particular separating the piece (30) and for performing drilling or milling operations at the individual items (31). The portal (7) can be moved horizontally, holding a carriage (15) moving horizontally along a guide (13) at the portal (7) and provided with a sliding facility (17) for a vertically movable spindle (19). A plasma arc cutting unit (27) is movable joined to the housing of the spindle (19).

Konduktives Bolzenschweißen

Verfahren zum Verschweißen eines ersten Werkstücks mit einem Fügeelement, wobei das Fügeelement und das erste Werkstück zumindest teilweise aus einem Metall bestehen, das Fügeelement rotierend zum ersten Werkstück während des Verschweißens bewegt wird und gleichzeitig in axialer Richtung gegen das erste Werkstück gepresst wird, so dass Reibungswärme erzeugt wird, dadurch gekennzeichnet, dass während des mechanischen Kontakts des Fügeelements mit dem ersten Werkstück ein elektrischer Stromfluss durch Werkstück und Fügeelement erzeugt wird und mindestens ein Stromimpuls zeitgleich mit einer Bewegung des Fügeelements in Richtung des ersten Werkstücks eingeleitet wird, wobei vorzugsweise ein Stromimpuls zeitlich unmittelbar vor dem Stoppen der Reibbewegung des Fügeelements relativ zum ersten Werkstück eingeleitet wird.

Method and apparatus for laser beam welding of overlapping sheets

While steel sheets, overlapping each other, (W1, W2) are positioned and held by a holding mechanism (12), a first laser beam (L1) is applied to a heating region (P1) of the steel sheet (W1) to space the steel sheet (W1) from the other steel sheet (W2) by a predetermined distance. A second laser beam (L2) is applied to a welding region (P2) to weld the steel sheets (W1, W2) and is moved the welding direction in synchronism with the first base beam (L1). An amount of heat applied by the first laser beam (L1), a moving speed of the first laser beam (L1), and a focused spot diameter of the first laser beam (L1) are set to keep the sheet (W1) irradiated with the first laser beam (L1) in an unmelted state and plastically deform the sheet (W1).

Method for plugging orifice

A method is disclosed for plugging/sealing an orifice/exit hole using a friction stir welding (FSW) process. Preferably a space inside the orifice remains. The method includes rotating a tool 1 that comprises a shoulder portion 2 having probe pin 3 attached at one end, such that the tool traverses the orifice of a member, thereby generating plastically flowing material of the member 200 that forms a plug portion 200c upon solidification, the plug portion plugging the orifice. The probe pin may have a cylindrical column configuration or may be a frustum of a right circular cone in order to reduce the load on the tool 1 during processing. The side surface of the probe pin is advantageously a smooth surface (i.e. no grooves), in order to control the flow of material into the orifice during welding and reduce defect formation. The disclosed method is particularly suited to plugging the ends of drilled channels formed in a member used for the manufacture of liquid cooling jackets and the like ...

Precision machining apparatus

A precision laser machining apparatus 1, comprising; i) a linear track 5; ii) a machining head 7 moveable along the linear track, the machining head comprising a laser 9 operable to emit a beam which intersects an R-axis wherein movement of the machining head along the linear track causes the intersection of the beam and the R-axis to move along the R-axis, and, iii) a workpiece support platform rotatable around a Theta-axis, wherein the Theta-axis and R-axis intersect with, and are orthogonal to, one another. The machining head may move between two end stops, defining first and second limit points of the intersection of the beam and the R-axis along the R-axis (the first and second limit points are optionally equidistant from the intersection between the two axes). The apparatus may be configured to machine a workpiece formed of a sheet material and may comprise a loading arrangement (such as a robotic arm) for grasping a workpiece and placing the workpiece on the support platform. A second ...

METHOD OF MANUFACTURING A COMPONENT USING A LASER

Apparatus for manufacturing a component by added layer deposition and a method of manufacturing a component. The method comprises the steps of directing a beam of energy e.g. a laser beam to heat a working region of a substrate and adjusting the cross sectional shape of the beam to thereby generate a variety of predetermined cross sectional shapes of working region while the beam is being directed onto the substrate. Thus the distribution of energy delivered to the substrate is controlled during the manufacturing process. The cross sectional shape and area of the beam is repeatedly monitored and compared to a library of predetermined cross sectional shape(s) and area(s) and the beam cross sectional shape adjusted accordingly.

Improvements to laser welding system

Welding device for welding a connecting section and method for welding the connecting section with the welding device

Profile cutting apparatus

Precision machining apparatus

Friction stir welding process

ELEKTRODENSCHUTZEINRICHTUNG

VORRICHTUNG UND VERFAHREN ZUM PLASMA-SCHWEISSEN VON TÜREN UND KLAPPEN

The method involves welding together at least one inner (4) and at least one outer (2) sheet of a door or flap and controlling the plasma welding method so that plastic deformations caused by the resulting thermal stresses are limited to a defined extent and within the tolerance limits permissible for the doors and flaps, especially a gap size tolerance of 0.1 mm. Independent claims are also included for the following: a device for plasma welding of ends of sheets of same or different thickness, especially zinc-coated sheet or aluminum sheet.

LASER WORKING ON PLANT WITH C-SHAPED FRAMEWORK AND LASERSCHNEIDGERÄT WITH RESTING POSITION

Joining two metal sheets comprises using a blunt joint with a filler material being applied to both sides of the sheets in a region bridging the joint on the metal sheet made from iron or titanium material

Joining two metal sheets (1,2), one made from an aluminum material and the other made from iron or titanium material by a welding-soldering joint using a filler material comprises providing the iron or titanium material with a coating based on zinc or aluminum in the joining region before the filler material is applied to form a seam (4) by fusion. The two metal sheets are joined in the form of a blunt joint with the filler material being applied to both sides of the metal sheets in a region bridging the joint on the metal sheet consisting of the iron or titanium material over a width corresponding to three times the thickness of the metal sheet.

PROCEDURE AND DEVICE FOR THE BUTT WELDING IDLER ARRANGED BY SHEET METALS OF DIFFERENT THICKNESS WITH THE HELP OF AT LEAST A IN OF THE HEIGHT OF ADJUSTABLE ONES UNDERNEATH THE SHEET METALS

MACHINE TOOL TO LASER CUTTINGS OF SHEET METAL AND PIPE MATERIALS WITH FIBER LASER FOR THE TRANSMISSION OF THE LASER BEAM

MACHINE DEVICE FOR THE ASSEMBLY AND/OR FOR THE DISASSEMBLY OF A LASER NOZZLE AS WELL AS LASER PROCESSING MACHINE WITH A SUCH MACHINE DEVICE

SPOT WELDING TOOL

FRICTION AGITATING WELDING METHOD

MACHINE ARRANGEMENT FOR WORKING ON DISKWELL-BEHAVED WORKPIECES WITH A WORKING ON MECHANISM AS WELL AS WITH A HANDLING DEVICE FOR WORKING ON PRODUCTS

MACHINE TO WORKING ON WORKPIECES AND PROCEDURE FOR MACHINE WORKING ON OF WORKPIECES

PROCEDURE FOR THE POINT RESISTANCE WELD OF ALUMINUM ALLOYS

FRICTION AGITATING WELDING METHOD FOR THE CONNECTION OF AT LEAST TWO WORKPIECES WITH THE LAYING OF AN ADHESIVE ON BETWEEN AT LEAST TWO WORKPIECES

ELEKTRODENSCHUTZEINRICHTUNG

PRESSE MIT EINEM BLECH UND EIN BLECH AUS STAHL

SCHWEISSVERFAHREN UND LASER-HYBRID-SCHWEISSBRENNER

A filling wire having SAF DUAL ZN is used as filler rod (12). The metal sheets (3) are placed one above the other and pressed by a tightener (6). A metal inert/active gas welding process is formed by metal transfer process with the welding rod, which is used in inert gas welding process. The laser process is stopped, in which the focus (47) of the laser (13) lies at the surface (41) of metal sheet. The laser is adjusted for longitudinal movement (0-6 mm) controlled by laser hybrid torch, towards the gas unit (5) and to the starting position, which evaporated/melted the surface of the sheet. The gas welding is started after completion of the starting phase and takes place in ignition of the arc, which is activated and deactivated at the same time after the laser process. An independent claim is also included for a laser hybrid torch.

WIDERSTANDSPRESSSCHWEISSVERFAHREN UND -VORRICHTUNG

The resistance pressure welding method for materially connecting sheet metal parts (1, 2) flatly lying on each other and compressed between two electrodes (11, 12) during welding, comprises developing heat required for welding by an electrical resistor in a welding zone (15) during a current passage through the sheet metal parts, and influencing the environment of the welding zone to improve the properties of the weld connection. The environment temperature of the welding zone is influenced to improve the properties of the weld connection. The resistance pressure welding method for materially connecting sheet metal parts (1, 2) flatly lying on each other and compressed between two electrodes (11, 12) during welding, comprises developing heat required for welding by an electrical resistor in a welding zone (15) during a current passage through the sheet metal parts, and influencing the environment of the welding zone to improve the properties of the weld connection. The environment temperature ...

BLECH AUS EDELSTAHL

VORRICHTUNG UND VERFAHREN ZUM PUNKTSCHWEISSEN VON ZWEI FLÄCHIGEN BAUTEILEN

The device useful in a spot-welding plant for spot-welding of two surface components (20, 21) e.g. vehicle components, comprises a bearing arrangement (7) on which a bearing element (23) is arranged on which the surface component overlies, and an electrically conductive contact element (24) for contacting a welding electrode and an isolation element. The electrically conductive contact element electrically separates the bearing element and the contact element from one another. A movably arranged contact device (4) is intended with a contact electrode and is movable by a drive unit. The device useful in a spot-welding plant for spot-welding of two surface components (20, 21) e.g. vehicle components, comprises a bearing arrangement (7) on which a bearing element (23) is arranged on which the surface component overlies, and an electrically conductive contact element (24) for contacting a welding electrode and an isolation element. The electrically conductive contact element electrically separates ...

HARTLOTBLATT UND HERSTELLUNGSVERFAHREN DAFÜR

Um ein Hartlotblatt mit ausgezeichneten Handhabungseigenschaften zu erhalten, wird ein Pulver einer Lötmetall-Zusammensetzung aus einer einzelnen Pulversorte gewonnen oder durch Mischen von zwei oder mehr Pulvern, um die Lötmetall-Zusammensetzung zu bilden. Durch Pulver-Walzverdichten wird das Pulver in Blattform gebracht.

PROCESS FOR THE PREPARATION OF ALUMINIZED STEEL SHEETS, THE WELDED AND THEN BE CURED UNDER PRESSURE

Die Erfindung betrifft ein Verfahren zur Vorbereitung von Blechen, die für die Herstellung einer geschweißten Stahlplatine bestimmt sind, umfassend die aufeinanderfolgenden Schritte, denen zufolge: -mindestens ein erstes (11) und ein zweites (12) vorbeschichtetes Stahlblech bereitgestellt werden, bestehend aus einem Stahlsubstrat (25, 26) und einer Vorbeschichtung (15, 16), bestehend aus einer intermetallischen Legierungsschicht (17, 18) in Kontakt mit dem Stahlsubstrat mit einer Metallschicht aus Aluminium oder Aluminiumlegierung oder auf der Basis von Aluminium (19, 20) darüber, wobei das mindestens eine erste Blech (11) eine Hauptfläche (111), eine gegenüberliegende Hauptfläche (112) und mindestens eine sekundäre Fläche (71) umfasst, wobei das mindestens eine zweite Blech (12) eine Hauptfläche (121), eine gegenüberliegende Hauptfläche (122) und mindestens eine sekundäre Fläche (72) umfasst, dann -das mindestens eine erste (11) und zweite (12) Blech unter Beibehaltung eines Spiels (31 ...

MACHINE AND PROCEDURE FOR CUTTING OPENINGS INTO A SUBSTRATE

PROCEDURE AND DEVICE FOR WORKING ON CONSTRUCTION UNITS

PROCEDURE FOR MANUFACTURING WELDING STEEL SHEET PLATES

PROCEDURE AND DEVICE FOR CONNECTING TWO METALLIC WORKPIECES

TURNING INERTIA WELDING

Jоining twо mеtаl shееts соmprisеs using а blunt jоint with а fillеr mаtеriаl bеing аppliеd tо bоth sidеs оf thе shееts in а rеgiоn bridging thе jоint оn thе mеtаl shееt mаdе frоm irоn оr titаnium mаtеriаl

Jоining twо mеtаl shееts (1,2), оnе mаdе frоm аn аluminum mаtеriаl аnd thе оthеr mаdе frоm irоn оr titаnium mаtеriаl bу а wеlding-sоldеring jоint using а fillеr mаtеriаl соmprisеs prоviding thе irоn оr titаnium mаtеriаl with а соаting bаsеd оn zinс оr аluminum in thе jоining rеgiоn bеfоrе thе fillеr mаtеriаl is аppliеd tо fоrm а sеаm (4) bу fusiоn. Тhе twо mеtаl shееts аrе jоinеd in thе fоrm оf а blunt jоint with thе fillеr mаtеriаl bеing аppliеd tо bоth sidеs оf thе mеtаl shееts in а rеgiоn bridging thе jоint оn thе mеtаl shееt соnsisting оf thе irоn оr titаnium mаtеriаl оvеr а width соrrеspоnding tо thrее timеs thе thiсknеss оf thе mеtаl shееt.

Jоining twо mеtаl shееts соmprisеs using а blunt jоint with а fillеr mаtеriаl bеing аppliеd tо bоth sidеs оf thе shееts in а rеgiоn bridging thе jоint оn thе mеtаl shееt mаdе frоm irоn оr titаnium mаtеriаl

Jоining twо mеtаl shееts (1,2), оnе mаdе frоm аn аluminum mаtеriаl аnd thе оthеr mаdе frоm irоn оr titаnium mаtеriаl bу а wеlding-sоldеring jоint using а fillеr mаtеriаl соmprisеs prоviding thе irоn оr titаnium mаtеriаl with а соаting bаsеd оn zinс оr аluminum in thе jоining rеgiоn bеfоrе thе fillеr mаtеriаl is аppliеd tо fоrm а sеаm (4) bу fusiоn. Тhе twо mеtаl shееts аrе jоinеd in thе fоrm оf а blunt jоint with thе fillеr mаtеriаl bеing аppliеd tо bоth sidеs оf thе mеtаl shееts in а rеgiоn bridging thе jоint оn thе mеtаl shееt соnsisting оf thе irоn оr titаnium mаtеriаl оvеr а width соrrеspоnding tо thrее timеs thе thiсknеss оf thе mеtаl shееt.

Jоining twо mеtаl shееts соmprisеs using а blunt jоint with а fillеr mаtеriаl bеing аppliеd tо bоth sidеs оf thе shееts in а rеgiоn bridging thе jоint оn thе mеtаl shееt mаdе frоm irоn оr titаnium mаtеriаl

Jоining twо mеtаl shееts (1,2), оnе mаdе frоm аn аluminum mаtеriаl аnd thе оthеr mаdе frоm irоn оr titаnium mаtеriаl bу а wеlding-sоldеring jоint using а fillеr mаtеriаl соmprisеs prоviding thе irоn оr titаnium mаtеriаl with а соаting bаsеd оn zinс оr аluminum in thе jоining rеgiоn bеfоrе thе fillеr mаtеriаl is аppliеd tо fоrm а sеаm (4) bу fusiоn. Тhе twо mеtаl shееts аrе jоinеd in thе fоrm оf а blunt jоint with thе fillеr mаtеriаl bеing аppliеd tо bоth sidеs оf thе mеtаl shееts in а rеgiоn bridging thе jоint оn thе mеtаl shееt соnsisting оf thе irоn оr titаnium mаtеriаl оvеr а width соrrеspоnding tо thrее timеs thе thiсknеss оf thе mеtаl shееt.

Jоining twо mеtаl shееts соmprisеs using а blunt jоint with а fillеr mаtеriаl bеing аppliеd tо bоth sidеs оf thе shееts in а rеgiоn bridging thе jоint оn thе mеtаl shееt mаdе frоm irоn оr titаnium mаtеriаl

Jоining twо mеtаl shееts (1,2), оnе mаdе frоm аn аluminum mаtеriаl аnd thе оthеr mаdе frоm irоn оr titаnium mаtеriаl bу а wеlding-sоldеring jоint using а fillеr mаtеriаl соmprisеs prоviding thе irоn оr titаnium mаtеriаl with а соаting bаsеd оn zinс оr аluminum in thе jоining rеgiоn bеfоrе thе fillеr mаtеriаl is аppliеd tо fоrm а sеаm (4) bу fusiоn. Тhе twо mеtаl shееts аrе jоinеd in thе fоrm оf а blunt jоint with thе fillеr mаtеriаl bеing аppliеd tо bоth sidеs оf thе mеtаl shееts in а rеgiоn bridging thе jоint оn thе mеtаl shееt соnsisting оf thе irоn оr titаnium mаtеriаl оvеr а width соrrеspоnding tо thrее timеs thе thiсknеss оf thе mеtаl shееt.

Jоining twо mеtаl shееts соmprisеs using а blunt jоint with а fillеr mаtеriаl bеing аppliеd tо bоth sidеs оf thе shееts in а rеgiоn bridging thе jоint оn thе mеtаl shееt mаdе frоm irоn оr titаnium mаtеriаl

Jоining twо mеtаl shееts (1,2), оnе mаdе frоm аn аluminum mаtеriаl аnd thе оthеr mаdе frоm irоn оr titаnium mаtеriаl bу а wеlding-sоldеring jоint using а fillеr mаtеriаl соmprisеs prоviding thе irоn оr titаnium mаtеriаl with а соаting bаsеd оn zinс оr аluminum in thе jоining rеgiоn bеfоrе thе fillеr mаtеriаl is аppliеd tо fоrm а sеаm (4) bу fusiоn. Тhе twо mеtаl shееts аrе jоinеd in thе fоrm оf а blunt jоint with thе fillеr mаtеriаl bеing аppliеd tо bоth sidеs оf thе mеtаl shееts in а rеgiоn bridging thе jоint оn thе mеtаl shееt соnsisting оf thе irоn оr titаnium mаtеriаl оvеr а width соrrеspоnding tо thrее timеs thе thiсknеss оf thе mеtаl shееt.

Jоining twо mеtаl shееts соmprisеs using а blunt jоint with а fillеr mаtеriаl bеing аppliеd tо bоth sidеs оf thе shееts in а rеgiоn bridging thе jоint оn thе mеtаl shееt mаdе frоm irоn оr titаnium mаtеriаl

Jоining twо mеtаl shееts (1,2), оnе mаdе frоm аn аluminum mаtеriаl аnd thе оthеr mаdе frоm irоn оr titаnium mаtеriаl bу а wеlding-sоldеring jоint using а fillеr mаtеriаl соmprisеs prоviding thе irоn оr titаnium mаtеriаl with а соаting bаsеd оn zinс оr аluminum in thе jоining rеgiоn bеfоrе thе fillеr mаtеriаl is аppliеd tо fоrm а sеаm (4) bу fusiоn. Тhе twо mеtаl shееts аrе jоinеd in thе fоrm оf а blunt jоint with thе fillеr mаtеriаl bеing аppliеd tо bоth sidеs оf thе mеtаl shееts in а rеgiоn bridging thе jоint оn thе mеtаl shееt соnsisting оf thе irоn оr titаnium mаtеriаl оvеr а width соrrеspоnding tо thrее timеs thе thiсknеss оf thе mеtаl shееt.

Laser marking method

This invention provides a laser marking method that can form a very minute mark of a predetermined shape, such as a letter or pattern, with clarity and high solidity, on the surface of a substrate. The laser marking method of the invention comprises the steps of (1) depositing a coloring material on the surface of a substrate of thermoplastic material to form a thin film of the coloring material, and (2) applying a laser beam to the thin film of the coloring material in conformity with a predetermined marking shape to cause the portions of the substrate irradiated with the laser beam to soften and to cause the thus softened portions to mix with the coloring material, thereby developing the predetermined marking shape on the surface of the substrate.

Spot-welding method and spot-welding device

When spot-welding a workpiece including a thin plate, a first thick plate, and a second thick plate, the workpiece is clamped by a fixed electrode in contact with the second thick plate, a movable electrode in contact with the thin plate, and control-pressure applying unit set adjacent to the movable electrode and in contact with the thin plate. Pressure is applied to the second thick plate by the fixed electrode, and pressure and control pressure are respectively applied by the movable electrode and the control-pressure applying unit to the thin plate. The pressure from the fixed electrode is controlled to be smaller than the pressure from the movable electrode. The current density between the thin plate and the first thick plate increases.

Tubular beam with single center leg

A reinforcement beam for a vehicle bumper system comprises a single sheet deformed to define first and second tubes sharing a common single center wall. A channel rib is formed on each tubes and a crevice rib over the center leg forms a third rib. Edges of the sheet are deformed to a radius so that their surface consistently engages an associated radiused corner formed on ends of the center leg, which facilitates consistent abutting line engagement of material surfaces, and thus facilitates consistent welding. In a preferred beam, front wall sections of each tube are coplanar and form a face of the beam, with each channel rib and crevice rib providing added stiffness to the beam, and yet nothing extends forward of the coplanar front wall sections. Related apparatus and methods are also disclosed.

Method and Control Device for Monitoring the Quality of Spot Welds of a Resistance Welding Gun Comprising the Outputting of a Warning Message

A method for monitoring and/or regulating the quality of spot welds of a resistance welding gun includes measuring and storing measured values during the execution of resistance spot welds at different points on a workpiece. The measured values represent a voltage, a current, a resistance, a welding time, an energy, a force on welding contacts and/or an output during the production of a resistance spot weld. The method also includes comparing the measured values with a reference measurement value. The reference measurement value represents a corresponding voltage, a current, a resistance, a welding time, an energy, a force on welding contacts and/or an output during the production of a corresponding resistance spot weld. The method also includes outputting a warning message when, during the comparison, it is established that a predetermined number of successive measured values is outside a predefined tolerance band from the reference measurement value.

Method for making an opening in a substrate

A method for making an opening in a substrate includes creating a cutting path in the substrate for cutting out a polygonal area along predetermined side paths which enclose the opening and are connected to each other via respective corner points. The cutting path is started in an internal region of the polygonal area at a distance from the side paths. The cutting path is continued in a recess in the internal region to a start point on a first one of the side paths, the start point being disposed along the first one of the side paths at a substantial distance from each of the respective corner points so as to divide the first one of the side paths into a long side path portion and a short side path portion. The cutting path is continued, from the start point, along each of the side paths.

Point-welding clamp structure

A point-welding clamp structure for side by side tightly clamping and locating different plate-shaped metal pieces in their true relative positions so as to facilitate the point-welding operation. The point-welding clamp structure includes a body section and a base section for clamping the different metal pieces. A second adjustment section is disposed on the body section and a third adjustment section is disposed on the base section. By means of operating the second and third adjustment sections, the metal pieces with different thickness can be securely clamped and located by the point-welding clamp structure.

Laser ablation tooling via distributed patterned masks

A distributed patterned mask for use in a laser ablation process to image a complete pattern onto a substrate. The mask has a plurality of apertures for transmission of light and non-transmissive areas around the apertures. When the apertures for the distributed pattern are repeatedly imaged on a substrate, structures within the distributed pattern merge within different areas of the imaged pattern to create the complete pattern with distributed stitch lines in order to reduce or eliminate the stitching effect in laser ablation. The mask can also form a sparse and distributed pattern including apertures that individually form merging portions of the complete pattern and collectively form a distributed pattern.

Apparatus and Method Using Reduced Volume Electro-Hydraulic Chambers for Trimming and Joining Panels

A tool for modifying a workpiece by either trimming or joining the workpiece. The tool is an electro-hydraulic tool that uses a pulse transmitted through a liquid to trim a workpiece or to join two thicknesses of metal together. A method of trimming the workpiece includes the steps of providing a high voltage discharge in a liquid that drives a workpiece into engagement with a cutting edge of a tool steel insert. A method of joining two or more thicknesses of metal together includes the step of creating a high voltage discharge through an electrode that accelerates one panel or thickness of metal into a second panel that is held stationary by a backing plate while the first thickness of metal is accelerated into the second thickness of metal.

Laser machining apparatus

A laser machining apparatus is provided with: a workpiece support unit; a machining head; and a machining head moving unit. The workpiece support unit includes: an end support part that supports a width end of a workpiece; and an inside support part that supports an inside portion of the workpiece in a width direction. The end support part is movable in a longitudinal direction independently from the inside support part in response to a movement of the machining head.

Method For Arc-Welding Aluminum-Coated Metal Parts Using Oxidizing Gas

The invention relates to an electric arc welding method for welding at least one metal part including an aluminum based surface coating, using a shielding gas. According to the invention, the metal of the aforementioned metal part is melted by the electric arc alone without the use of any laser beam. The invention is characterized in that the shielding gas comprises a mixture of argon and/or helium, nitrogen, and an oxidizing compound selected from oxygen and carbon dioxide.

Discontinuous section tower tube

A belt integrated seat tower for a seat system. The seat tower can include a single piece of bent sheet metal in the form of an elongated discontinuous section tube having a first longitudinal edge and a second longitudinal edge adjacent to the first longitudinal edge. A butt weld can join the first and second longitudinal edges to form a lapless seam and a generally flat weld surface.

Vehicle Cross-Member Assembly with Adhesive Reservoirs

A method of manufacturing a vehicle cross-member assembly includes: adding adhesive to an adhesive reservoir in an interconnecting member composed of a first material; overlapping a first rail composed of a second material with the interconnecting member; and welding the interconnecting member to a second rail in a position perpendicular with respect to the second rail. The second rail is composed of a different material than the first rail.

Methods of joining metallic protective layers

In various embodiments, protective layers are bonded to a steel layer and connected by a layer of unmelted metal powder produced by cold spray.

High-Frequency Welding of Sandwich Metal Sheets

The invention relates to a method for welding a first composite sheet metal part comprising at least two metal sheets and a sheet arranged between both metal sheets that consists of a material with a different chemical composition than the two metal sheets, to a second sheet metal part consisting of a solid metallic material or a further composite material with at least two metal sheets and a sheet arranged between the metal sheets that consists of a material with a different chemical composition than the two metal sheets. The object of providing a method for welding composite sheet metal parts is achieved by welding the sheet metal parts using a high-frequency welding method.

Device for transverse seam welding

A device and a method for the positionally accurate arrangement of two material ends located opposite each other. The device includes two carriers with always one fixing device for each material end, wherein at least one of the two carriers is slidably guided relative to the second of the carriers, and at least the first carrier has a first adjusting member and a second adjusting member connected to the first adjusting member, wherein the adjusting members form a drive by means of which the first carrier is slidable against the second carrier.

Metallic compositions useful for brazing, and related processes and devices

A braze alloy composition is disclosed, containing nickel, about 5% to about 40% of at least one refractory metal selected from niobium, tantalum, or molybdenum; about 2% to about 32% chromium; and about 0.5% to about 10% of at least one active metal element. An electrochemical cell that includes two components joined to each other by such a braze composition is also described. A method for joining components such as those within an electrochemical cell is also described. The method includes the step of introducing a braze alloy composition between a first component and a second component to be joined, to form a brazing structure. In many instances, one component is formed of a ceramic, while the other is formed of a metal or metal alloy.

Pressure resistant and corrosion resistant copper alloy, brazed structure, and method of manufacturing brazed structure

A pressure resistant and corrosion resistant copper alloy contains 73.0 mass % to 79.5 mass % of Cu and 2.5 mass % to 4.0 mass % of Si with a remainder composed of Zn and inevitable impurities, in which the content of Cu [Cu] mass % and the content of Si [Si] mass % have a relationship of 62.0≦[Cu]−3.6×[Si]≦67.5. In addition, the area fraction of the α phase “α”%, the area fraction of a β phase “β”%, the area fraction of a γ phase “γ”%, the area fraction of the κ phase “κ”%, and the area fraction of a μ phase “μ”% satisfy 30≦“α”≦84, 15≦“κ”≦68, “α”+“κ”≧92, 0.2≦“κ”/“α”≦2, “β”≦3, “μ”≦5, “β”+“μ”≦6, 0≦“γ”≦7, and 0≦“β”+“μ”+“γ”≦8. Also disclosed is a method of manufacturing a brazed structure made of the above pressure resistant and corrosion resistant copper alloy.

Methods, devices, systems for joining materials and resulting articles

A method, article of manufacture, and system for joining different materials is described. In a principal embodiment, two articles, for example different metals, are placed in proximity to one another with an interfacial area. One article is heated using a laser that is scanned across from a point remote from the interface to a point at or just short of the interface. In embodiments, the interfacial bond region is characterized by a homogenous mixed phase region with very low to substantially no brittle intermetallics.

Friction-stir joining method

Disclosed is a friction-stir joining method for joining a first member, having a base metal covered with a substance different from the base metal, with a second member with the second member placed on the first member by moving a joining tool along a joining line having thereon a joining start point and a joining finish point. The method includes steps of inserting the joining tool into the second member at the joining start point; moving the joining tool a predetermined distance along the joining line in a direction opposite the joining finish point; causing the joining tool to turn back at a turning-back point spaced the predetermined distance from the joining start point; moving the joining tool along the joining line to the joining finish point past the joining start point; and pulling the joining tool out from the second member at the joining finish point.

Arc welding device and method

A plasma ejection unit ( 21 ) of an arc welding device includes a plasma torch ( 26 ), a copper plate ( 27 ), a container ( 28 ), and a gas supplying unit ( 29 ). Plasma gas inside the container ( 28 ) is pressurized by argon gas supplied from the gas supplying unit ( 29 ), and ejected from first to eighth ejection ports. The plasma gas ejected from the first to eighth ejection ports is concentrated in a concentration area (CA) between vehicle body plates ( 16 - 17 ) to form through holes ( 40 ) in the vehicle body plates ( 16 - 17 ), and is separated. The air pressures, in eight areas, of the plasma gas reaching a vehicle body plate ( 18 ) are approximately one-eighth of the air pressure of the plasma gas in the concentration area (CA). Accordingly, while the through holes ( 40 ) are formed in the vehicle body plates ( 16 - 17 ), no through hole is formed in the vehicle body plate ( 18 ).

Method and apparatus for resistance spot welding overlapping steel workpieces

A method of resistance spot welding a workpiece stack-up comprising overlapping first and second steel workpieces is disclosed, wherein at least one of the steel workpieces comprises an advanced high-strength steel substrate. The workpiece stack-up is positioned between a pair of opposed first and second welding electrodes. A cover is disposed between at least one of the first steel workpiece and the first welding electrode or the second steel workpiece and the second welding electrode at an intended weld site. The workpiece stack-up is clamped between the first and second welding electrodes at the weld site such that at least one of the weld faces of the first and second welding electrodes presses against the cover. The first and second steel workpieces are welded together by passing an electrical current between the first and second welding electrodes at the weld site.

BRAZE COMPOSITIONS, AND RELATED DEVICES

A braze alloy composition for sealing a ceramic component to a metal component in an electrochemical cell is presented. The braze alloy composition includes copper, nickel, and an active metal element. The braze alloy includes nickel in an amount less than about 30 weight percent, and the active metal element in an amount less than about 10 weight percent. An electrochemical cell using the braze alloy for sealing a ceramic component to a metal component in the cell is also provided. 1. An electrochemical cell comprising:a tubular separator disposed in a cell case defining a portion of a cathodic chamber and an anodic chamber, wherein the cathodic chamber comprises an alkali metal halide, and forms an ion capable of conducting through the separator;an electrically insulating ceramic collar disposed on a top end of the separator, anda metal ring disposed on the electrically insulating ceramic collar,wherein the electrically insulating ceramic collar is joined to the metal ring by a braze alloy composition comprising nickel, chromium, iron, silicon, boron and an active metal element, wherein chromium is present in an amount less than 10 weight percent, iron is present in an amount less than 10 weight percent, silicon is present in an amount from about 2 weight percent to about 10 weight percent, boron is present in an amount less than 5 weight percent, the active metal element is present in an amount from about 1 weight percent to about 3 weight percent, based on a total weight of the braze alloy composition, wherein the active metal element comprises titanium, zirconium, hafnium, vanadium, or a combination thereof, and wherein the braze alloy composition is in direct contact with both the electrically insulating ceramic collar and the metal ring.2. The electrochemical cell of claim 1 , wherein the alkali metal halide comprises sodium halide.3. The electrochemical cell of claim 1 , wherein the anodic chamber contains sodium.4. The electrochemical cell of claim 1 , ...

Welded structure and method for manufacturing the same

There is provided a welded structure that can reduce fractures at welded portions. The welded structure includes two or three steel sheets and a lapped portion in which the steel sheets are overlapped and joined by spot welding at a plurality of locations, the welded structure including a spot weld portion, and, when a diameter of a nugget is d ng (mm), a tip diameter of an electrode used by the spot welding is d (mm), and an average thickness per steel sheet of the steel sheets at the lapped portion is t ave (mm), the spot weld portion satisfies d ng >d(t ave ) 1/2 when 0.5 mm≦t ave <1.1 mm and d ng >1.05d when 1.1 mm≦t ave ≦2.6 mm, in accordance with the average thickness t ave (mm).

Laser processing hydrogel materials

A method of forming one or more perforations, holes, or capillaries in a hydrogel material, hydrocolloid material, hydrogel adhesive or silicone adhesive comprising directing a focal point of a laser beam to a surface of the material or adhesive at one or more locations to form one or more perforations, holes, or capillaries having a selected diameter. The perforated hydrogel material or adhesive can be used in wound care dressings, wearable sensors, or devices intended to contact living tissue. The perforated material or adhesive may also be provided in contact with an exudate holding mechanism such as an open cell foam material to further increase the exudate absorbance of the hydrogel or hydrocolloid wound care dressing. 1. A method of forming one or more perforations , holes , or capillaries in a material in a non-contact manner comprising directing a focal point of a laser beam to a surface of the material and vaporizing the material at one or more locations to form one or more perforations , holes , or capillaries having a selected diameter , wherein the material is one of a hydrogel material , a hydrocolloid material , or a silicone adhesive.2. The method of claim 1 , wherein the material comprises a wound care dressing or component.3. The method of claim 1 , wherein the material comprises a body contact sensor.4. The method of claim 1 , wherein a laser energy of the laser beam is sufficient to cauterize the material when forming the one or more perforations claim 1 , holes claim 1 , or capillaries such that the one or more perforations claim 1 , holes claim 1 , or capillaries substantially retain their laser processed shape and diameter and resist closing.5. A method of forming one or more perforations claim 1 , holes claim 1 , or capillaries in an adhesive material comprising directing a focal point of a laser beam to a surface of the adhesive material and vaporizing the adhesive material at one or more locations to form one or more perforations claim 1 , ...

Method of manufacturing press formed product

The invention provides manufacturing a partially reinforced press formed product with high corrosion resistance and weldability. First and second steel plates having aluminum-based plating films are heated to an austenite range temperature by first and second furnaces, respectively, to transform the bodies of the first and second steel plates into austenite and form Fe—Al alloy layers on the surfaces of the first and second steel plates. Hot press forming is then performed to the first and second steel plates formed with the Fe—Al alloy layers, the first and second steel plates being superposed. The first and second steel plates, which are hot press formed, are then welded.

LASER NANOSTRUCTURED SURFACE PREPARATION FOR JOINING MATERIALS

A joined article includes a first component having a laser-treated surface portion and a second component having a laser-treated surface portion. An adhesive joins the first component to the second component at the treated surface portion. A method of making a joined article form components and a system for making joined articles are also disclosed. 1. A joined article , comprising:a first component having an interference laser-treated surface portion;a second component having an interference laser-treated surface portion;an adhesive joining the first component to the second component at the treated surface portion.2. The joined article of claim 1 , wherein the interference laser-treated surface portions comprise features comprising at least one selected from the group consisting of depressions claim 1 , channels and holes.3. The joined article of claim 2 , wherein the features have a periodicity.4. The joined article of claim 3 , wherein the periodicity is between 0.5-50 μm.5. The joined article of claim 3 , wherein the periodicity varies by no more than ±5%.6. The joined article of claim 1 , wherein the interference laser is a multiple-beam interference laser claim 1 , wherein an original laser beam is split into at least 2 beams which are then refocused over the same spot on the component surface.7. The joined article of claim 1 , wherein the joined article treated according to the invention has a tensile strength that is at least 10% greater than a baseline tensile strength of an untreated article.8. The joined article of claim 1 , wherein the joined article treated according to the invention has a ductility that is at least 100% greater than a baseline joint of an untreated article.9. The joined article of claim 1 , wherein the interference laser-treated surface portion of the first component and the interference laser-treated portion of the second component are dissimilar materials.10. The joined article of claim 1 , wherein one of the interference laser- ...

Vehicle body assembly system and vehicle body assembly method

Provided are a vehicle body assembly system and vehicle body assembly method with which it is possible to reduce equipment space and equipment costs to a greater extent than in the past. A vehicle body assembly system in which components formed from one or more parts constituting a vehicle body are welded together to assemble a vehicle body structure, wherein the vehicle body assembly system ( 1 ) is characterized in being provided with upper jigs ( 41, 51, 61 ) for fixing the one or more parts in a state in which the relative position and orientation thereof as a component can be maintained, a lower jig ( 81 ) connected to the component fixed by the upper jigs ( 41, 51, 61 ), and a welding robot ( 7 ), the upper jigs ( 41, 51, 61 ) and the lower jig ( 81 ) being provided, respectively, with upper-jig connecting parts ( 413, 513, 613 ) and lower-jig connecting parts ( 813 ) that are connected to each other, and the welding robot ( 7 ) welding together the one or more parts forming a component, and welding together the components, in a state in which the connections between the component and the lower jig ( 81 ), and the connections between the upper jigs ( 41, 51, 61 ) and the lower jig ( 81 ), are maintained.

Fillet welded joint and method of production of same

The present invention provides a fillet welded joint and a method of production of a fillet welded joint which can raise the productivity of the method of production of a fillet welded joint and a fillet welded joint without sacrificing the strength against fatigue fracture of the welded structural member. The fillet welded joint of the present invention is a fillet welded joint formed by fillet welding at least two metal members, wherein, on the surface of at least one of the metal members, the fillet welded joint comprises a press bead of a rib-shaped projection provided by press-forming so as to project upward to the side having a weld bead formed by the fillet welding, and part of the press bead contacts or overlaps the weld bead.

Method for manufacturing a strip having a variable thickness and associated strip

A method for manufacturing a strip having a variable thickness along its length, comprising the steps: an initial strip of constant thickness is provided; homogeneous cold rolling of the initial strip along its length in order to obtain an intermediate strip of constant thickness along the rolling direction; flexible cold rolling of the intermediate strip along its length in order to obtain a variable thickness strip, having, along its length, first areas with a first thickness (e+s) and second areas with a second thickness (e), less than the first thickness (e+s), continuous annealing of the strip. The plastic deformation ratio generated, after an optional intermediate recrystallization annealing, by the homogeneous cold rolling and the flexible cold rolling steps in the first areas is greater than or equal to 30%.

Laser drilling of metal foils for assembly in an electrolytic capacitor

A capacitor and methods of processing an anode metal foil are presented. The capacitor includes a housing, one or more anodes disposed within the housing, one or more cathodes disposed within the housing, one or more separators disposed between an adjacent anode and cathode, and an electrolyte disposed around the one or more anodes, one or more cathodes, and one or more separators within the housing. The one or more anodes each include a metal foil that includes a first plurality of tunnels through a thickness of the metal foil in a first ordered arrangement, the first ordered arrangement being a close packed hexagonal array arrangement, and having a first diameter, and a second plurality of tunnels through the thickness of the metal foil having a second ordered arrangement and a second diameter greater than the first diameter.

SPOT WELDED MEMBER

A spot welded member includes a spot weld formed by holding a sheet stack of multiple steel sheets between a pair of electrodes and spot-welding the sheet stack, in which at least one of the multiple steel sheets is a high-strength zinc-based coated steel sheet having a tensile strength of 780 MPa or more, the high-strength zinc-based coated steel sheet having a coating with an Al content of 0.5% or more by mass, and in which the heat shock region of the spot weld outwardly extending from an edge of a corona bond area includes a coated layer including an FeAl alloy layer having an average thickness of 0.3 μm or more and a zinc-based coated layer having an average thickness of 2.0 μm or more on the FeAl alloy layer at the interface between the base steel sheet of the high-strength zinc-based coated steel sheet and the coating. 1. A spot welded member , comprising a spot weld formed by holding a sheet stack of multiple steel sheets between a pair of electrodes and spot-welding the sheet stack ,wherein at least one of the multiple steel sheets is a high-strength zinc-based coated steel sheet having a tensile strength of 780 MPa or more, the high-strength zinc-based coated steel sheet having a coating with an Al content of 0.5% or more by mass, andwherein a heat shock region of the spot weld outwardly extending from an edge of a corona bond area includes a coated layer including an FeAl alloy layer having an average thickness of 0.3 μm or more and a zinc-based coated layer having an average thickness of 2.0 μm or more on the FeAl alloy layer at an interface between a base steel sheet of the high-strength zinc-based coated steel sheet and the coating.2. The spot welded member according to claim 1 , wherein the Al content of the coating satisfies formula (1):{'br': None, '#text': '[Average thickness of FeAl alloy layer]≥0.8×ln[Al content]+0.2\u2003\u2003(1)'}where ln is a natural logarithm, [average thickness of FeAl alloy layer] is the average thickness (μm) of the FeAl ...

Guiding Assembly for a Workpiece Cutting Apparatus, Workpiece Cutting Apparatus Including the Same, and Method for Displacing a Cutting Assembly Along a Workpiece Cutting Table

A workpiece cutting apparatus includes a cutting table with a workpiece receiving surface, at least two longitudinally-extending rails extending longitudinally on opposed sides of the cutting table and substantially parallel to one another, a bridge with an elongated cutting assembly support and engagement arms at opposed ends thereof, and at least two driving assemblies. Each one of the engagement arms includes a bridge engagement member engageable with a corresponding one of the at least two longitudinally-extending rails, from below. Each one of the driving assemblies operatively connects each one of the engagement arms to the corresponding one of the at least two longitudinally-extending rails. The at least two driving assemblies are actuable to translate the engagement arms along the at least two longitudinally-extending rails. A method of cutting a workpiece using the workpiece cutting apparatus and a method for assembling a workpiece cutting apparatus are also provided.

METHODS AND MACHINES FOR THE CUTTING PROCESSING OF A PLATE-TYPE MATERIAL

The invention relates to a method for the cutting processing of a panel-type material in a machine which comprises a processing station in a machine base frame, and the processing station is assigned a loading and unloading station. The panel-type material is laid on a pallet which is movable between the processing station and the loading and unloading station, and the pallet is moved into the processing station for subsequent processing and is positioned on a pallet carrier of the machine base frame for the subsequent processing of the panel-type material, wherein, before the start of the processing process of the panel-type material by the processing unit, the pallet is lifted from the pallet carrier by an air spring device and is positioned in a manner decoupled from the pallet carrier, and after the processing process of the panel-type material, the pallet is coupled to the pallet carrier. 1. A method for cutting a plate-shaped material in a machine that comprises a machining station in a machine base framework , wherein a machining unit of the machining station has at least one machining head for machining the plate-shaped material , and a loading station and unloading station assigned to the machining station , the method comprising:placing the plate-shaped material on a displaceable pallet arranged between the machining station and the loading and unloading station;retracting the pallet into the machining station for a subsequent machining process;positioning the pallet on a pallet carrier of the machine base framework for the subsequent machining of the plate-shaped material;before the beginning of the machining process of the plate-shaped material with the machining unit, lifting the pallet from the pallet carrier to a lifted position with an air spring device and positioning the pallet decoupled from the pallet carrier; andafter the machining process of the plate-shaped material, lowering the pallet and depositing the pallet on the pallet carrier.2. The ...

ROOF LASER BRAZING SYSTEM

A roof laser brazing system comprises a side home position jig installed at each of opposite sides of the transferring path of the body in the brazing section, a roof-pressing jig detachably mounted on a handling robot, docked to the side home position jig, and that home-positions and presses the roof panel loaded on the opposite side panels, a brazing assembly mounted on at least one brazing robot in the side home position jig side and that brazes bonding portions between the opposite side panels and the roof panel using a laser as a heat source, and a grinding assembly mounted on the at least one grinding robot in the grinding section and that grinds brazing beads of the bonding portions between the opposite side panels and the roof panel. 1. A roof laser brazing system which laser-brazes a roof panel to opposite side panels based on a body including the opposite side panels , comprising:a side home position jig installed at each of opposite sides of a transferring path of the body in a brazing section set along the transferring path of the body and that restricts the opposite side panels of the body;a roof-pressing jig detachably mounted on a handling robot, that is docked to the side home position jig, and that home-positions and presses the roof panel loaded on the opposite side panels;a brazing assembly mounted on at least one brazing robot in the side home position jig side and that brazes bonding portions between the opposite side panels and the roof panel using a laser as a heat source;a gap measurement unit mounted on the brazing assembly and that measures matching gaps between the roof panel and the opposite side panels that are pressed by the roof-pressing jig; anda grinding assembly mounted on at least one grinding robot in a grinding section set along the transferring path of the body and that grinds brazing beads of the bonding portions between the opposite side panels and the roof panel,wherein the brazing assembly includes:a brazing bracket mounted ...

MULTI POINT PROJECTION WELDING METHOD AND LOADING-WELDING SYSTEM FOR CAR-BODY ASSEMBLY USING THE SAME

A component loading-welding system for welding a component panel to a vehicle body panel includes a rotation portion body having first and second opposing sides. The first opposing side is coupled to a robot arm. A picking device is installed in the rotation portion body and is configured to hold and release the component panel. A vehicle body pressurizing tip is installed in the rotation portion body. A pressurizing portion body is rotatably installed at the second opposing side of the rotation portion body. A pin clamp is installed in the pressurizing portion body and is configured to clamp the component panel. A component pressurizing tip is installed in the pressurizing portion body and is configured to apply pressure to the component panel. A multi point projection welding method is also disclosed. 1. A multi point projection welding method comprising:loading a component panel having one or more protrusions formed thereon onto a vehicle body panel such that at least one of the protrusions of the component panel contacts the vehicle body panel;applying pressure to the vehicle body panel using a vehicle body pressurizing tip and applying pressure to the component panel using a component pressurizing tip while the component panel and the vehicle body panel contact each other; andsupplying current to the vehicle body pressurizing tip and the component pressurizing tip such that the protrusion of the component panel contacts the vehicle body panel while the vehicle body pressurizing tip and the component pressurizing tip apply pressure to the vehicle body panel and the component panel, respectively.2. The multi point projection welding method according to claim 1 , wherein at least one of the protrusions has a height of 0.1 mm or more.3. The multi point projection welding method according to claim 1 , wherein the current has a magnitude of 3 to 35 kA and weld time is 0.01 seconds to 2 seconds.4. A multi point projection welding method comprising:loading a component ...

Method for producing a welded metal blank and thus obtained welded metal blank

A method for producing a welded metal blank () includes cutting a first initial metal sheet () and a second initial metal sheet () from a first and second metal strip (); joining the first and second initial metal sheets () by welding so as to obtain an initial welded metal blank (), the initial welded metal blank () comprising a weld joint () joining the first and the second initial metal sheets (); and cutting said initial welded metal blank () by a process involving metal melting so as to obtain at least one final welded metal blank () comprising a first metal blank portion () and a second metal blank portion () joined by a weld joint portion () consisting of a portion of the weld joint () obtained during the joining step. 134-. (canceled)35. A method for producing a welded metal blank comprising the steps of:cutting at least a first initial metal sheet from a first metal strip and a second initial metal sheet from a second metal strip;joining at least the first initial metal sheet and the second initial metal sheet by welding so as to obtain an initial welded metal blank having an initial contour, the initial welded metal blank comprising a weld joint joining the first and the second initial metal sheets; andcutting the initial welded metal blank by a process involving metal melting so as to obtain at least one final welded metal blank having a final contour, the at least one final welded metal blank comprising a first metal blank portion and a second metal blank portion joined by a weld joint portion consisting of a portion of the weld joint obtained during the joining step.36. The method according to claim 35 , wherein at least one of the first initial metal sheet and the second initial metal sheet has a quadrilateral-shaped contour.37. The method according to claim 35 , wherein the joining step is a laser welding claim 35 , an electron beam welding claim 35 , an arc welding claim 35 , a friction stir welding or a resistance welding step.38. The method ...

PLASMA CUTTING MACHINE AND METHOD FOR CONTROLLING PLASMA CUTTING MACHINE

A plasma torch moves to a piercing position. The plasma torch generates a plasma arc and starts a piercing step at the piercing position. Whether the piercing step is completed is determined based on the arc voltage. The plasma torch is held at the piercing position in the horizontal direction from the start of the piercing step until the completion of the piercing step. The plasma torch is moved in a predetermined direction including at least the horizontal direction after the piercing step is completed. 1. A plasma cutting machine for cutting a material with a plasma arc , the plasma cutting machine comprising:a table that supports the material;a plasma torch including an electrode;a plasma power source connected to the plasma torch; a horizontal direction with respect to the table and', 'a vertical direction with respect to the table;, 'an actuator that supports the plasma torch to be movable in'}a voltage sensor that detects an arc voltage applied to the plasma torch from the plasma power source; and move the plasma torch to a piercing position,', 'cause the plasma torch to generate a plasma arc and start a piercing step at the piercing position,', 'determine whether the piercing step is completed based on the arc voltage,', 'hold the plasma torch at the piercing position in the horizontal direction from the start of the piercing step until completion of the piercing step, and', 'move the plasma torch in a predetermined direction including at least the horizontal direction, after the piercing step is completed., 'a controller that communicates with the plasma power source, the actuator, and the voltage sensor, the controller being configured to'}2. The plasma cutting machine according to claim 1 , whereinthe controller is further configured to move the plasma torch in the horizontal direction while lowering the plasma torch after the piercing step is completed.3. The plasma cutting machine according to claim 1 , wherein acquire a rate of increase per unit of ...

Expulsion sensing method and expulsion sensing device in electric resistance welding

An expulsion sensing device includes a spot welding device 2 that pressurizes, via a pair of electrodes 33 and 34, a workpiece W in which a plurality of metal plate members is superposed and welds the workpiece W by passing electricity between the pair of electrodes 33 and 34 while maintaining a predetermined pressurizing force, an operation control unit 42 that detects an interelectrode distance between the pair of electrodes 33 and 34 at predetermined time intervals, a calculation unit 51 that detects a temporal change rate of the detected interelectrode distance, and a determination circuit unit 52 that determines occurrence of expulsion when the detected change rate in an approaching direction of the pair of electrodes 33 and 34 is equal to or more than a predetermined threshold

Method for butt laser welding two metal sheets

A method for butt laser welding two metal sheets (2, 4) includes providing a first metal sheet (2) and a second metal sheet (4) and butt welding the metal sheets (2, 4) along a direction of welding. The butt welding step includes simultaneously emitting a first front laser beam (12) creating a first front spot (18) at the intersection with the first metal sheet (2), and generating a first front keyhole (19) in the first metal sheet (2) at the first front spot (18); a second front laser beam (14) creating a second front spot (20) at the intersection with the second metal sheet, and generating a second front keyhole in the second metal sheet (4) at the second front spot (20); and a back laser beam (16) creating a back spot (22) on the first and second metal sheets (2, 4), and generating a back keyhole (23A) in the first and second metal sheets (2, 4) at the back spot (22). The first and second front laser beams (12, 14) and the back laser beam (16) are configured in such a manner that at each moment in time, a solid phase region (25) and/or a liquid phase region (13, 23B) of the metal sheets (2, 4) remains between the first front keyhole (19) and the back keyhole (23A) and between the second front keyhole and the back keyhole (23A).

SAFETY AND RELIABILITY GUARANTEES FOR LASER FABRICATION

Sensor data generated by a sensor of a computer numerically controlled machine can be compared with a forecast. The forecast can include expected sensor data for the sensor, over a course of an execution plan for making a cut with a movable laser cutting head. The sensor data can be generated during execution of the execution plan. During execution of the execution plan, the sensor data can be monitored and a deviation of from the forecast can be detected. It can be determined, based on the detecting, that an anomalous condition of the computer numerically controlled machine has occurred. Based on the determining, an action can be performed.

Method for producing a press-hardened laser welded steel part and press-hardened laser welded steel part

A method for producing a part includes providing a first and a second precoated sheet (), butt welding the first and second precoated sheets () to obtain a blank (), and heating the blank () to a heat treatment temperature at least 10° C. lower than the full austenitization temperature of the weld joint () and at least 15° C. higher than a minimum temperature T 123-. (canceled)25. The method as recited in claim 24 , wherein claim 24 , after press-hardening claim 24 , the ratio between the ultimate tensile strength of the steel substrate of the first precoated steel sheet and the ultimate tensile strength of the steel substrate of the second precoated steel sheet is greater than or equal to 1.2.26. The method as recited in claim 24 , wherein the carbon content of the steel substrate of the first precoated steel sheet is higher by at least 0.05 wt. % than the carbon content of the steel substrate of the second precoated steel sheet.27. The method as recited in claim 24 , wherein each of the first and second precoated steel sheets comprises an aluminum-containing precoating comprising at least 50% by weight of aluminum on at least one of its main faces.28. The method as recited in claim 24 , wherein the first and second precoated steel sheets comprise an aluminum-containing precoating comprising at least 50% by weight of aluminum on both of their main faces.29. The method as recited in claim 24 , wherein claim 24 , at the time of the butt welding claim 24 , the aluminum-containing precoating remains integral on both main faces of at least one among the first precoated steel sheet and the second precoated steel sheet.30. The method as recited in claim 24 , further comprising claim 24 , prior to the butt welding claim 24 , a step of preparing the weld edge of at least one among the first and the second precoated steel sheet by removing the aluminum-containing precoating over at least a fraction of its thickness on at least one main face thereof claim 24 , even if the ...

Friction stir welding machines and methods

A friction stir welding machine and method that injects filler materials into a weld joint and determines the amount of materials to add by monitoring and compensating for insufficient internal weld pressures in the joint. Two workpieces are placed adjacent one another in an abutting relationship with a joint formed between them. A pin tool is inserted in the joint, rotated, and moved along the joint as the pin is rotating so as to mix and heat materials in the joint. Internal weld pressures in the joint adjacent the pin tool are monitored, and filler materials are injection into the joint when an internal weld pressure below a threshold weld pressure is detected.

Component assembly system and method of assembling a component

A method of assembling a component includes gripping a first subcomponent with a first end-of-arm tool and grasping a second subcomponent with a second end-of-arm tool. The first tool is attached to a first robot arm and the first subcomponent defines a first plurality of locating holes. The second tool is attached to a second robot arm and the second subcomponent defines a second plurality of locating holes. After grasping, the method includes aligning at least one of the first locating holes adjacent to at least one of the second locating holes to set an initial position of the second subcomponent with respect to the first subcomponent without releasing the first and second subcomponents. After aligning, the method includes forming a joint between the first and second subcomponents with a joining tool attached to a joining robot arm to thereby assemble the component. A component assembly system is also disclosed.

Joining apparatus for panel sheets and joining method for panel sheets using the same

A joining apparatus for panel sheets and a joining method for panel sheets using the same are provided. The joining apparatus includes an element punching device which stores and supplies elements according to a specification of a panel sheet and inserts the element into a first panel sheet among different types of panel sheets. Additionally, a welding device resistively welds a part of the first panel sheet into which the element is inserted by the element punching device.

Method of forming a seat frame of a vehicle seat, seat frame for use in vehicle seat, and vehicle seat having the seat frame

A plate is continuously press-bent, into a shaped member having a recess opening at one surface (i.e., lower surface). Then, the plate is bent back by pressing, at the front and rear ends, covering the openings of the recess and a side frame having open cross sections, each with a gap, is thereby formed. In the forming step, the side frame is not welded and has open cross sections, each with a gap. The side frames are then subjected to the next step (i.e., step of assembling the seat frame). In the step of assembling the seat frame, the side frames and coupling members are welded together, constituting a substantially rectangular seat frame. As the side frames are so welded in step of assembling the seat frame, a rigid structure each having closed cross sections with no gaps is formed.

Spot welding method for a thin steel plate and a spot welding joint

A spot welding method for a thin steel sheet that is suitably applicable to articles, e.g., automobile parts, for which the appearance of a welded part is important, and has superior positioning quality, welding strength, and formability of a set of protrusions and a recess or a protrusion and a recess to be fitted (projections to be fitted to each other). The spot welding method for welding an upper member and a lower member, each made of a thin steel sheet, with the upper member and the lower member stacked and sandwiched by electrodes includes providing projections that are configured to be used for relative positioning of the upper member and the lower member and to be subjected to welding. The spot welding method also includes forming the projections by drawing so that each of the projections has a truncated cone shape, a gradient from 45° to 70°, and a bottom being opened, wherein the opening has an outer diameter smaller than an outer diameter of the corresponding electrode, and wherein the projections are provided on the upper member and the lower member respectively and are configured to be fitted to each other.

METHOD OF RESISTANCE SPOT WELDING AND RESISTANCE SPOT WELDING APPARATUS

A method of resistance spot welding that enables an improvement of a weld strength of steel plates having different plate thicknesses while inhibiting generation of spatters is provided. One aspect of the present disclosure is the method of resistance spot welding, the method including welding a workpiece made of layered steel plates with a resistance spot welding apparatus. The resistance spot welding apparatus includes a first electrode configured to contact a first steel plate among the steel plates, and a second electrode configured to contact, among the steel plates, a second steel plate that is thinner than the first steel plate, and the second electrode being arranged such that the workpiece is interposed between the first electrode and the second electrode. The welding includes welding while moving the second electrode relative to the first electrode in a direction parallel with a plate surface of the second steel plate. 1. A method of resistance spot welding , the method comprising welding a workpiece made of layered steel plates with a resistance spot welding apparatus ,the resistance spot welding apparatus comprising:a first electrode configured to contact a first steel plate among the steel plates; anda second electrode configured to contact, among the steel plates, a second steel plate that is thinner than the first steel plate, and the second electrode being arranged such that the workpiece is interposed between the first electrode and the second electrode,wherein the welding comprises welding while moving the second electrode relative to the first electrode in a direction parallel with a plate surface of the second steel plate.2. The method of resistance spot welding according to claim 1 ,wherein the second electrode is moveable relative to the first electrode in a direction the workpiece is interposed, andwherein, in the welding, the workpiece is retained such that a thickness direction of the workpiece intersects with the direction the workpiece is ...

LASER WELD METHOD AND WELD STRUCTURE

A laser welding method includes: forming a melted section in which plural metallic workpieces within a weld region are melted by projecting a first laser beam onto said weld region with parts of the workpieces being set as the weld region when the workpieces are welded; and projecting a second laser beam while the melted section is being solidified or after a solidified section in which the melted section is solidified is formed such that the second laser beam circles around center of the melted section or the solidified section from an irradiation start position deviated from said center toward said center or such that the second laser beam is focused to the center of the melted section or the solidified section from an irradiation start region that includes the center and a periphery thereof. 1. A weld structure comprising:a weld section in which parts of plural metallic workpieces are melted by a laser beam and welded, whereinthe weld section is formed of a columnar crystal structure from a peripheral edge of the weld section to center of the weld section, and in the columnar crystal structure, a columnar crystal extends in a direction from the peripheral edge of the weld section toward the center of the weld section.2. A weld structure comprising:a weld section in which parts of plural metallic workpieces are melted by a laser beam and welded, whereinthe weld section is formed of a first columnar crystal region, an equiaxed crystal region, and a second columnar crystal region in a direction from a peripheral edge of the weld section toward a center of the weld section, the first columnar crystal region being formed of a columnar crystal structure in which a columnar crystal extends from the peripheral edge of the weld section, the equiaxed crystal region being formed from the first columnar crystal region and formed of an equiaxed crystal structure that is formed to surround the center of the weld section, and the second columnar crystal region being formed from ...

METHOD FOR PRODUCING JOINT MATERIAL

A production method of a joint material includes a tab installation step of installing an end tab on a pair of workpieces to be joined at a joining line therebetween by friction stir welding, a tool installation step of installing a probe of a tool for friction stir welding at a cutout portion; an approach step of moving the tool while rotating itself from an opening into the cutout portion; a waiting step of causing the tool for friction stir welding to standby in the cutout portion at an extension line; and a joining step of starting movement of the tool along the joining line at a time at which a temperature of the workpieces at a joining portion in front of the tool in an advancing direction of the tool in the waiting step is a predetermined temperature or more and joining the workpieces with each other. 1. A production method of a joint material comprising:a tab installation step of installing an end tab on a pair of workpieces to be joined at a joining line therebetween by friction stir welding, in which the end tab includes: a body; a first end surface formed on one end of the body with respect to a longitudinal direction of the body; a second end surface formed on the other end of the body; and a cutout portion of which an opening is formed on one side surface of the body with respect to a width direction of the body and which is formed so as to extend from the one side, bend 90° toward the first end surface and then extend along an extension line of the tab in the longitudinal direction, wherein the tab is installed on the workpieces such that the first end surface abuts an end surface of the pair of the workpieces at the joining line while the extension line of the tab aligns with the joining line of the workpieces,a tool installation step of installing a probe of a tool for friction stir welding at the cutout portion;an approach step of moving the tool while rotating itself from the opening into the cutout portion;a waiting step of causing the tool for ...

Steel sheet and method for producing same

Steel sheet low in cost and improved in fatigue characteristics without causing a drop in the cold formability, characterized in that it comprises an inner layer and a hard layer on one or both surfaces of the inner layer, a thickness of the hard layer is 20 μm or more and 40% or less of the thickness of the steel sheet, an average micro-Vickers hardness of the hard layer is 240 HV or more and less than 400 HV, an amount of C of the hard layer is 0.4 mass % or less, an amount of N is 0.02 mass % or less, a variation of hardness measured by a nanoindenter at a depth of 10 from the surface of the hard layer is a standard deviation of 2.0 or less, an average micro-Vickers hardness of the inner layer is 80 HV or more and less than 400 HV, a volume rate of carbides contained in the inner layer is less than 2.00%, and the average micro-Vickers hardness of the hard layer is 1.05 times or more the average micro-Vickers hardness of the inner layer.

Method for Laser Beam Welding of One or More Steel Sheets Made of Press-Hardenable Manganese-Boron Steel

A method for laser beam welding of one or more steel sheets made of press-hardenable manganese-boron steel is disclosed. At least one of the steel sheets has a coating of aluminium. The laser beam welding takes place by feeding an additional wire into a melt bath generated by of a laser beam. The additional wire contains at least one austenite-stabilising alloy element. The weld seam after hot forming (press hardening) has a strength that is comparable to the base material. The laser beam is put into oscillation such that it oscillates transverse to the welding direction, wherein the oscillation frequency of the laser beam is at least 200 Hz, preferably at least 500 Hz. The method dispenses with removing the aluminum coating at the edge of the sheet-metal edges to be welded. 1. A method for laser beam welding of one or more steel sheets made of press-hardenable manganese-boron steel , wherein at least one of the steel sheets has a coating made of aluminium , comprising:feeding an additional wire into a melt bath generated by a laser beam,wherein the additional wire contains at least one austenite-stabilising alloy element,wherein the laser beam is set into oscillation such that the laser beam oscillates transverse to a welding direction,and wherein oscillation frequency of the laser beam is at least 200 Hz.2. The method according to claim 1 , wherein the one or more steel sheets are joined during laser beam welding in a butt joint or an overlap joint with a gap of less than 0.8 mm.3. The method according to claim 1 , wherein an amplitude of the oscillation of the laser beam is less than 2 mm.4. The method according to claim 1 , wherein the laser beam welding is carried out at an advance speed of more than 4 m/min.5. The method according to claim 1 , wherein the oscillation of the laser beam is carried out with a linear claim 1 , circular claim 1 , or polygonal oscillation profile.6. The method according to claim 1 , wherein a geometry of a weld seam is detected ...

SAFETY AND RELIABILITY GUARANTEES FOR LASER FABRICATION

Sensor data generated by a sensor of a computer numerically controlled machine can be compared with a forecast. The forecast can include expected sensor data for the sensor, over a course of an execution plan for making a cut with a movable laser cutting head. The sensor data can be generated during execution of the execution plan. During execution of the execution plan, the sensor data can be monitored and a deviation of from the forecast can be detected. It can be determined, based on the detecting, that an anomalous condition of the computer numerically controlled machine has occurred. Based on the determining, an action can be performed. 1. A method comprising:comparing sensor data generated by a sensor of a computer numerically controlled machine with a forecast comprising expected sensor data for the sensor over a course of an execution plan for making at least one cut with a movable laser cutting head of the computer numerically controlled machine, the sensor data generated during execution of the execution plan;during the execution of said execution plan, monitoring the sensor data and detecting a deviation from the forecast;determining, based on the detecting, that an anomalous condition of the computer numerically controlled machine has occurred; andperforming an action based on the determining.2. A method as in claim 1 , wherein the sensor comprises a motion sensor operatively connected to the movable laser cutting head to measure the motion of the movable laser cutting head.3. A method as in any preceding claim claim 1 , wherein the action comprises changing the motion of the movable laser cutting head.4. A method as in any preceding claim claim 1 , wherein the execution plan comprises a motion plan for the laser cutting head and commands for selectively activating at least one other component of the computer numerically controlled machine.5. A method as in claim 4 , wherein the at least one other component comprises one or more of a fan claim 4 , ...

Orientation of interfacing projections

A method of joining a first component to a second component, the method comprising preparing the first component by forming an array of elongate projections on a bond surface of the component, each projection having a centreline, a tip, and a base. The centreline at the tip of each projection is oriented at an angle with respect to the normal to the bond surface at its base, and the angular orientation of the tip centrelines varies across the array of projections. Next, the first component and a flexible layer are brought together so as to embed the projections in the flexible layer before hardening the flexible layer to form the second component. Also, a joint so formed.

Resistance spot welding of copper workpieces

A method of joining together adjacent overlapping copper workpieces by way of resistance spot welding involves providing a workpiece stack-up that includes a first copper workpiece and a second copper workpiece that lies adjacent to the first copper workpiece. The faying surface of the first copper workpiece includes a projection that ascends beyond a surrounding base surface of the faying surface and makes contact, either directly or indirectly, with an opposed faying surface of the second copper workpiece. Once provided, a compressive force is applied against the first and second copper workpieces and an electric current is passed momentarily through the first and second copper workpieces. The electric current initially flows through the projection to generate and concentrate heat within the projection prior to the projection collapsing. This concentrated heat surge allows a metallurgical joint to be established between the first and second copper workpieces.

Laser lap-welded joint, method of manufacturing the same, and automobile framework component

A laser lap-welded joint being formed from stacked steel sheets and including a plurality of welded portions each having a substantially C-shaped surface, each of the welded portions being formed of a first linear portion and second linear portions having a surface having a semicircular shape. The radius R of the semicircular shape and the sheet thickness t of one of the steel sheets having a larger sheet thickness satisfy 0<R≤1.5 t. The pitch λ between the adjacent welded portions and a weld length l satisfy 0.4≤l/λ<0.7. The space X between an end of a contact portion where the steel sheets are in contact with each other and each of the welded portions satisfy 2 t≤X≤4 t. The sheet thickness t and the width W of each of the welded portions satisfy 0.3≤W/t≤1.0.

Friction stir welding flash and burr control

Some examples include welding a first workpiece to a second workpiece. For instance, the first workpiece may be secured adjacent to the second workpiece. At least one of the first workpiece or the second workpiece includes a channel or a portion of a channel in a respective surface such that a complete channel is presented when the first workpiece and the second workpiece are secured adjacent to each other. A rotating tip of a welding tool is inserted into the complete channel for welding the first workpiece to the second workpiece. A surface burr resulting from the welding is located within the complete channel.

Joined member and method for producing the same

To provide a joined member, which is obtained by joining members with different thickness (i.e., plate thickness) through resistance welding, with excellent welding quality and high strength, and a method for producing the same. A first member and a second member are joined together via a protruding portion that has been formed by plastically deforming a part of the first member at an end portion thereof such that the part of the first member has a reduced thickness and the part of the first member protrudes outward beyond the end portion.

Methods for joining two blanks

Methods for joining a first blank and a second blank, wherein the first blank and the second blank include a steel substrate with a coating including a layer of aluminum or an aluminum alloy. The method includes selecting a first portion of the first blank to be joined to the second blank, and selecting a second portion of the second blank to be joined to the first portion, and welding the first portion to the second portion. The welding includes using a laser beam and an arc welding torch, wherein the arc welding torch includes a wire electrode, wherein the wire electrode is made of a steel alloy including gammagenic elements, optionally a stainless steel alloy including gammagenic elements and displacing both the laser beam and the arc welding torch in a welding direction, and wherein in the welding direction, the arc welding torch is positioned in front of the laser beam.

Methods for the Production of Workpieces

A method for the production of workpieces includes positioning and holding a first plate-shaped material with a gripping device in a working region of a processing station so that the first plate-shaped material is moveable relative to a workpiece support, positioning and holding a second plate-shaped material with an additional gripping device in the working region of the processing station so that the second plate-shaped material is moveable relative to the workpiece support, producing a first workpiece part from the first plate-shaped material, positioning the first workpiece part with respect to the second plate-shaped material, connecting the first workpiece part to the second plate-shaped material or to a second workpiece part produced from the second plate-shaped material, wherein the second workpiece part is at least partially processed, and finishing the at least the second workpiece part that is connected to the first workpiece part in the processing station.

METHOD FOR THE PRODUCTION OF TAILOR WELDED BLANKS (TWBs)

Method for producing a component system having a first component with a first component portion and a second component with a second component portion, including the following steps: connecting, in particular welding or soldering, the first component portion, which consists of an aluminum alloy, to the second component portion, which in particular consists of a naturally aged aluminum alloy, a copper alloy or an iron alloy, in particular a steel alloy, so as to form a connection seam; artificially aging the connection seam such that the yield strength of the connection seam is above the yield strength of the first component portion and/or of the second component portion; and deforming, in particular deep-drawing and/or stretch-drawing, the component system. 1. Method for producing a component system comprising a first component having a first component portion and a second component having a second component portion , comprising the following steps:a. connecting, the first component portion, which consists of a naturally aged aluminum alloy, to the second component portion, which consists of one of an aluminum alloy, a copper alloy, an iron alloy, or a steel alloy, so as to form a connection seam;b. artificially aging the connection seam such that the yield strength of the connection seam is above the yield strength of at least one of the first component portion and the second component portion; andc. deforming the component system.2. Method according to claim 1 , wherein in step a. the cooling speed and/or the cooling duration is at least within the temperature range between 400° C. and 200° C. claim 1 , higher than the critical cooling speed or shorter than the critical cooling duration claim 1 , respectively claim 1 , of at least one of the aluminum alloy of the first component portion and the second component portion.3. Method according to claim 1 , wherein the period of time between step a. and step b. is less than 10 days.4. Method according to claim 1 , ...

Aluminum coated blank and manufacturing method thereof

According to an exemplary embodiment of the present disclosure, disclosed is an aluminum coated blank that includes a first coated steel sheet; a second coated steel sheet connected to the first coated steel sheet; and a joint portion that connects the first coated steel sheet to the second coated steel plate at a boundary between the first coated steel sheet and the second coated steel sheet.

Welding jig device and method for producing part

A device is used for forming a part by welding a plurality of members together, and includes a jig on one side having a joint face on one side, which is adapted to contact one of faces exposed on the outer surface sides of the plurality of members overlaid one on top of the other, and an opening on one side corresponding to a portion of desired welded portions of the part; a jig on another side having a joint face on the other side, which is adapted to contact another face of the faces exposed on the outer surface sides of the plurality of members, and an opening on the other side corresponding to another portion of the desired welded portions of the part and not corresponding to the opening on one side; a laser welding machine on one side that is configured to emit a laser beam toward the opening on one side; and a laser welding machine on the other side that is configured to emit a laser beam toward the opening on the other side.

METHODS AND APPARATUS FOR FREE-FORM CUTTING OF FLEXIBLE THIN GLASS

Methods and apparatus provide for: supporting a source glass sheet of 0.3 millimeters (mm) or less in thickness; scoring the glass sheet at an initiation line using a mechanical scoring device; applying a carbon monoxide (CO) laser beam to the glass sheet starting at the initiation line and continuously moving the laser beam relative to the glass sheet along a cutting line to elevate a temperature of the glass sheet to provide stress at the cutting line sufficient to cut the glass; and separating waste glass from the glass sheet to obtain a desired shape.

Manufacturing fixture

A manufacturing fixture includes a rigid base defining a control plane. A first cone locator pin has a first longitudinal axis. The first cone locator pin is connected to the rigid base with the first longitudinal axis orthogonal to the control plane to engage a complementary locating aperture defined in a workpiece. The first cone locator pin engages the complementary locating aperture to locate the workpiece and constrain translation of the workpiece with respect to the control plane. A second cone locator pin has a second longitudinal axis. The second cone locator pin is connected to the rigid base with the second longitudinal axis orthogonal to the control plane to engage a complementary locating hole defined in a workpiece. The second cone locator pin engages the complementary locating hole to locate the workpiece and prevent rotation of the workpiece about the first longitudinal axis.

SORTING SYSTEM FOR A MACHINE TOOL, MACHINE TOOL AND METHOD FOR SORTING CUT PARTS

The invention relates to a sorting system () for a machine tool for separating parts, in particular a laser cutting machine (), having a gripper () that can be moved over a workpiece region () and is configured to receive cut parts () from the workpiece region (), and an intermediate store () that can be moved over the workpiece region () and is configured to receive cut parts () from the gripper () and to unload the cut parts () into a store (). 115-. (canceled)16. A sorting system for a machine tool for separating parts , in particular a laser cutting machine , the sorting system having a controller for controlling the sorting system and having a gripper that can be moved over a workpiece region and is configured to receive cut parts from the workpiece region , and an intermediate store that can be moved over the workpiece region and is configured to receive cut parts from the gripper and to unload the cut parts into a store , wherein the gripper and the intermediate store are arranged on a carrier element that can be moved on rails in a first direction , characterised in that the gripper and the intermediate store are arranged to be movable on the carrier element independently of one another in a second direction , wherein the first and the second direction lie in one plane of the workpiece region , the plane of the workpiece region being a plane in which the workpiece region lies or parallel thereto , and that the gripper and the intermediate store are each arranged on a telescopic arm that can be moved in the direction perpendicular to the plane of the workpiece region.17. The sorting system for a machine tool according to claim 16 , characterised in that the gripper and the intermediate store are arranged on the telescopic arm by means of a releasable coupling.18. The sorting system for a machine tool according to claim 16 , characterised in that the intermediate store has a sliding device that is configured to push cut parts out of the intermediate store.19. ...

Joint structure for vehicle body member, and vehicle body structure

A joint structure for a vehicle body member, the vehicle body member including at least two panel members, the at least two panel members constituting part of a vehicle body and being formed of a steel plate, the joint structure includes: spot-welds formed by spot-welding the at least two panel members to each other at a predetermined spot interval such that a predetermined clearance is formed between the at least two panel members; a laser-weld formed by laser-welding the at least two panel members to each other between the spot-welds; and an electrodeposition coating film portion that covers a surface of each of the at least two panel members, at least part of the electrodeposition coating film portion filling the clearance.

Vehicle Structures and Methods Of Assembling The Same

Vehicle structures and methods of assembling the same are disclosed herein. In one embodiment, a method of assembling a unibody structure of a vehicle includes assembling a door surround ring comprising a forward pillar portion, a roof rail portion, a rearward pillar portion, and a rocker portion. The method also includes, subsequent to assembling the door surround ring, installing the door surround ring into a vehicle side outer panel, coupling the door surround ring to the vehicle side outer panel. The method further includes, subsequent to installing the door surround ring into the vehicle side outer panel, coupling the door surround ring and the vehicle side outer panel to a vehicle interior structural member.

WELD JOINT MANUFACTURING METHOD AND WELD JOINT

A weld joint manufacturing method of the present disclosure includes performing current-passing through an aluminum-plated steel sheet provided with an aluminum plating layer while moving a pair of wheel electrodes relative to the aluminum-plated steel sheet by sandwiching the aluminum-plated steel sheet between the pair of wheel electrodes and rotating the pair of wheel electrodes in a circumferential direction; and welding a part of the aluminum-plated steel sheet, where the current-passing has been performed, and another steel sheet, in an overlapped state of the aluminum plating layer with the other steel sheet. 1. A weld joint manufacturing method comprising:performing current-passing through an aluminum-plated first steel sheet provided with an aluminum plating layer while moving a pair of wheel electrodes relative to the aluminum-plated first steel sheet by sandwiching the aluminum-plated first steel sheet between the pair of wheel electrodes and rotating the pair of wheel electrodes in a circumferential direction; andwelding a part of the aluminum-plated first steel sheet, where the current-passing has been performed, and a second steel sheet, in an overlapped state of the aluminum plating layer with the second steel sheet.2. The weld joint manufacturing method of claim 1 , wherein:the current-passing is performed in an overlapped state of a plurality of steel sheets including the aluminum-plated first steel sheet and the second steel sheet; andthe welding is performed by welding while retaining the overlapped state of the plurality of steel sheets without shifting from the overlapped state during the current-passing.3. The weld joint manufacturing method of claim 2 , wherein a nugget is not generated during the current-passing.4. The weld joint manufacturing method of claim 1 , wherein the welding comprises seam welding.5. The weld joint manufacturing method of claim 1 , wherein a carbon content of steel in the aluminum-plated first steel sheet is at least ...

Welding equipment for metallic materials and method for welding metallic materials

A method for spot-welding metallic materials includes: sandwiching the metallic materials with a pair of electrodes; a pre-heating step for pre-heating a region different from a given region which should be welded by applying electric power having a high frequency to the pair of electrodes; and a welding step for spot-welding a given region of the metallic materials by applying electric power for welding to the pair of electrodes. The heating time in the pre-heating step and that in the welding step are independently controlled.

Method for manufacturing heterometallic assembly and heterometallic assembly

A method for manufacturing a dissimilar metal joint product includes: spraying a metal powder capable of being joined to a steel material to at least a part of a surface of an aluminum or aluminum-alloy material at a low temperature and at a high speed to form a coating thereon; disposing the aluminum or aluminum-alloy material and the steel material such that the coating and the steel material face each other; and performing brazing using a brazing material or welding using a welding material between the coating and the steel material.

Systems and methods for integrated welding of metal materials

A method for welding multiple workpieces together includes applying a force to the multiple workpieces, generating ultrasonic vibration, transferring the ultrasonic vibration to the multiple workpieces to breakdown an oxide layer, generating an electric current, transmitting the electric current to heat up the workpieces, and synchronizing the ultrasonic and resistance heating operations. A welding system includes an ultrasonic vibration unit that generates an ultrasonic vibration and transfers the ultrasonic vibration to multiple workpieces to breakdown an oxide layer, a resistance heating unit that generates an electric current and transmits the electric current to heat up the workpieces, a workpiece mount that includes electrodes configured to receive the generated current and/or clamp the multiple workpieces during a welding process, and a controller configured to synchronize an operation of the ultrasonic vibration unit and an operation of a resistance heating unit.

Cutting machinery laser system

A cutting apparatus comprising a cutting table and a first cutting material belt movably supported about the cutting table about a first roller and a second roller. A second cutting material belt is removably supported above the first cutting material belt about the first roller and a third roller, wherein the second roller is intermediate the first roller and the second roller.

LASER DRILLING OF METAL FOILS FOR ASSEMBLY IN AN ELECTROLYTIC CAPACITOR

A capacitor and methods of processing an anode metal foil are presented. The capacitor includes a housing, one or more anodes disposed within the housing, one or more cathodes disposed within the housing, one or more separators disposed between an adjacent anode and cathode, and an electrolyte disposed around the one or more anodes, one or more cathodes, and one or more separators within the housing. The one or more anodes each include a metal foil that includes a first plurality of tunnels through a thickness of the metal foil in a first ordered arrangement, the first ordered arrangement being a close packed hexagonal array arrangement, and having a first diameter, and a second plurality of tunnels through the thickness of the metal foil having a second ordered arrangement and a second diameter greater than the first diameter. 1. An electrolytic capacitor , comprising:a housing;one or more anodes disposed within the housing, wherein at least one of the anodes comprises a metal foil that includes a first plurality of tunnels through a thickness of the metal foil in a first ordered close packed hexagonal array arrangement and each having a first diameter, and a second plurality of tunnels through the thickness of the metal foil having a second ordered arrangement and each having a second diameter greater than the first diameter;one or more cathodes disposed within the housing;one or more separators disposed between an adjacent anode and cathode; andan electrolyte disposed around the one or more anodes, one or more cathodes, and one or more separators within the housing.2. The electrolytic capacitor of claim 1 , wherein each of the one or more anodes comprises an aluminum foil.3. The electrolytic capacitor of claim 2 , wherein the first plurality of tunnels through the aluminum foil each have a diameter between 1 micron and 3 microns claim 2 , and the second plurality of tunnels through the aluminum foil each have a diameter between 5 microns and 10 microns.4. The ...

Construction of a vehicle body structure by welding thin sheet metal panels to thick metal extrusions

A construction of a vehicle body structure by welding thin metal sheet panels to the substantially much thicker load bearing metal extrusions to form a vehicle body structure with a smooth exterior surface suitable for automotive, aerospace, and recreational vehicle applications. A substantially thin sheet metal panel is bent at an angle to form a hem line. The thin sheet metal panel hem line is disposed adjacent to the longitudinal edge of the metal plate structure. The bent edge of the sheet metal is corner-welded along the length of the metal plate structure. The excess metal materials formed by the weld line above the surface of the sheet metal panel and the edge of the metal plate structure is removed to form a smooth corner surface of a vehicle body structure. Another sheet metal panel can be formed and welded similarly in a mirror image fashion to the other side of the metal plate to form a vehicle body structure with a large smooth exterior surface and an interior surface concealing the hem lines of the sheet metal panels from exterior view and having the load bearing structure component in the middle of the interior surface acting as both a load bearing member and a stiffener to the vehicle body structure.

High strength aluminum alloy door beam

A vehicle door beam and related methods of making door beams include a flat-rolled aluminum alloy sheet, where two edges of the sheet that are transverse to the roll direction of the sheet are brought together to form a tube. The two edges are friction stir welded together to form a butt joint along a length of the tube. The tube is arranged, along with other optional components, as a side-impact door beam in a vehicle door, such that the butt joint is facing away from an expected impact direction of the vehicle door.

Systems and methods for reducing the size of a material

Automated systems and methods for making cuts in large materials, particularly to trim and reduce the sizes of steel plates and slabs and produce therefrom one or more reduced-size pieces, optionally with the ability to reduce or avoid the need to perform a separate deburring operation on the materials after undergoing such cuts. Such a system includes multiple support units aligned in a longitudinal direction of a foundation and longitudinal and cross cutting units translatable in the longitudinal direction for performing, respectively, longitudinal and lateral cuts in a material. The support units are independently translatable in the longitudinal direction and each support unit has a crossmember that extends in the lateral direction, is adapted to at least partially support the material, and is operable to be raised and lowered in the vertical direction while the material is supported by the crossmembers.

CONNECTOR HOUSINGS, USE OF, AND METHOD THEREFOR

A method of making a connector assembly includes attaching two stamped housing sections together to form a connector housing having a housing groove with a groove bottom and two side walls and providing the connector housings with a spring used as a mechanical connector and/or as an electrical connector for numerous applications and across numerous industries. The groove geometries can easily be altered using different stamping dies. 1. A method for making a connector housing , the method comprising:forming by stamping a first housing section or forming by plastic injection molding a first housing section, said first housing section comprising an upper flange with an outer perimeter, a lower flange, and a skirt section located between the upper flange and the lower flange, and said lower flange having a perimeter defining an opening;forming by stamping a second housing section or forming by plastic injection molding a second housing section, said second housing section comprising an upper flange with an outer perimeter, a lower flange, and a skirt section located between the upper flange and the lower flange, and said lower flange having a perimeter defining an opening;attaching said first housing section to said second housing section by abutting said two upper flanges to form a connector housing comprising a bore with the opening of the first housing section at a first end of the bore and the opening of the second housing section at a second end of the bore, and a housing groove comprising a groove bottom formed by the first housing section and the second housing section; andplacing spring inside the housing groove.2. A connector assembly comprising:a first housing section comprising a flange having an outer perimeter with an outer diameter and a skirt depending from the flange attached to a second housing section comprising a flange having an outer perimeter with an outer diameter and a skirt depending from the flange to form a connector housing having a housing ...

Laser processing apparatus and method

The invention concerns an apparatus and a method for laser processing. There is provided at least one first laser beam from at least one first optical feed fiber connected to at least one first laser device and at least one second laser beam from at least one second optical feed fiber connected to at least one second laser device. Said first and second laser beams are combined in a multi-core optical fiber. Said first core of said multi-core optical fiber has a circular cross-section, and said second core has an annular shape concentric to said first core. A composite laser beam comprising first and second output beams is directed from said multi-core optical fiber to a workpiece with overlapping elements to be welded.

LASER PROCESSING MACHINE AND LASER PROCESSING METHOD

A period of time during which a laser beam moves through an inner region of a beam spot that ranges from a center of the beam spot to an area corresponding to a thermal energy of 44% with respect to a total thermal energy of the beam spot is set as a moving time tp. “c”, “ρ”, “λ”, “T”. “T0”, “A”, and “Pd” respectively represents a specific heat, a density, a thermal conductivity, a melting temperature, an environmental temperature, a light absorptance, and an energy density of the inner region. A time calculated from Equation (1) is set as a melting time tm. A plate thickness is represented by x and a value of tm/tp is represented by y. The value y is set between a lower limit value (Equation (2)) and an upper limit value (Equation (3)). 2. The laser processing machine according to claim 1 , further comprising:a holding unit that holds Equation (2) and Equation (3); anda controller configured to determine whether or not the value y is set between the lower limit value obtained from Equation (2) and the upper limit value obtained from Equation (3) and causes a display to display a determination result in a case where a plate material having a predetermined plate thickness formed of aluminum having a material code of 1000 series is cut by the laser processing unit under set processing conditions.3. A laser processing machine comprising:a laser oscillator configured to emit a laser beam having a wavelength of a 1 μm band; anda laser processing unit configured to cut a plate material of aluminum having a material code of 5000 series by irradiating the plate material with the laser beam emitted from the laser oscillator and moving an irradiation position of the laser beam relative to the plate material, whereina period of time during which the laser beam irradiated on the plate material moves through an inner region of an area of a beam spot of the laser beam that ranges from a center of the beam spot to an area corresponding to a thermal energy of 44% with respect to a ...

Apparatus and Method for Operating a Resistance Welding Apparatus

A resistance welding apparatus includes a welding controller configured to control a welding tool. The welding controller has an assignment device including a parametrization device. The assignment device is configured to read out a current point to be welded from a list of points to be welded, to read out a first setpoint curve from a record of a database assigned to the current point to be welded, and to assign the first setpoint curve to the first regulator and the parametrization device is configured to read out the first value from the record of the point to be currently welded and to parametrize a first parameter of the first regulator with the first value. The welding controller further includes the first regulator configured, using a first parameter, to regulate a temporal profile of an electric current at the current point to be welded in accordance with the first setpoint curve.

Aluminium alloy for laser welding without filler wire

The invention relates to a process for laser welding monolithic semi-finished products made of aluminium alloy without filler wire, known to a person skilled in the art under the name “Remote Laser Welding” comprising the following steps:—supplying at least two semi-finished products made of aluminium alloy, at least one of which is a laminated plate with the composition (% by weight): Si: 2.5-14; Fe: 0.05-0.8; Cu: 0.25-1.0; Mg: 0.05-0.8; Mn: ≤0.70; Cr: ≤0.35; Ti: 0.02-0.30; Sr up to 500 ppm; Na up to 200 ppm; Sb up to 0.15%, unavoidable impurities <0.05 each and <0.15 in total, remainder aluminium,—laser welding the semi-finished products made of aluminium alloy without filler wire, which process is known to a person skilled in the art under the name “Remote Laser Welding”. The invention also includes a structural, body-in-white, skin or opening component of a motor vehicle obtained by a process according to the invention.

Method of joining stacks of thin metal foil layers

Disclosed are methods of welding a stack of metal foil layers together using a penetration weld. The methods include stacking of the metal foil layers, pressing or compressing the metal foil layers between end plates and welding the end plates and compressed metal foil layer stack together.

Method For Creating An Iridescent Visual Effect On The Surface Of A Material, Devices For Carrying Out Said Method, And Part Obtained Thereby

Method for creating an iridescent visual effect on the surface of a part, using a laser beam having a pulse duration of less than a nanosecond sent onto said surface in the optical field of the focusing system of a device comprising also a laser source and a scanner, to apply wavelets having the same orientation to said surface over the pulse width. The scanner scans the surface using laser radiation along a series of consecutive lines, or a matrix of points using relative movement of said surface and the device, the width of each line or the dimension of each point of each matrix being equal to the pulse diameter. Between the carrying out of the scanning along two consecutive lines or two adjacent points the polarization of the laser beam is modified to create wavelets having different orientations on two consecutive lines or two adjacent points. 1. A method for creating an iridescence visual effect on the surface of a part , whereby a laser beam having a pulse duration of less than one nanosecond is sent onto said surface in the optical field of the focusing system of a device comprising a laser source a scanner and said focusing system , so as to apply a structure in the form of wavelets having the same orientation to said surface over the width of said pulse , and said scanner scans said surface with said laser radiation along a series of consecutive lines , or a matrix of points , the width of each line or the dimension of each point of each matrix being equal to the diameter of said pulse , by means of relative travel of said surface and device emitting said laser beam , wherein between the carrying out of the scanning along two consecutive lines or two adjacent points , the polarization of the laser beam is modified so as to create wavelets of different orientations on two consecutive lines or two adjacent points.2. The method according to claim 1 , wherein the polarization of the laser beam is modified according to a periodic pattern claim 1 , said periodic ...

Welding method

One aspect of the present disclosure is a welding method including welding an upper plate and a lower plate overlapped with the upper plate by irradiating a surface of the upper plate with a laser beam. The welding includes forming a main welding path that intersects a welding advancing direction and that includes turning points. The upper plate and the lower plate are arranged in an inclined manner with respect to a horizontal plane when viewed parallel to the welding advancing direction. In the forming the main welding path, an amount of energy applied by the laser beam in an area in a neighborhood of the turning point on a vertically upper side is designed to be larger than an amount of energy applied by the laser beam in an area in a neighborhood of the turning point on a vertically lower side.

LASER PROCESSING MACHINE AND LASER PROCESSING METHOD

The laser processing machine includes a beam oscillation mechanism that oscillates a beam spot on a surface of a sheet metal. The control device controls the beam oscillation mechanism so as to oscillate the beam spot with an oscillation component in a direction orthogonal to a cutting direction of the sheet metal in a non-holding region, in which a holding portion of the conveyance apparatus for conveying a product is not held, when cutting the product from the sheet metal by irradiating the sheet metal with the laser beam. The non-holding region is at least a part of a periphery of a protrusion portion of the product, or at least a part of a periphery of a recess forming region in which a recess of the product is formed. 1. A laser processing machine comprising:a processing head in which a nozzle is attached to a tip, the nozzle emitting a laser beam from an opening;a focusing lens that is provided in the processing head and irradiates a sheet metal with the laser beam by focusing the laser beam, thereby forming a beam spot on a surface of the sheet metal;a moving mechanism configured to move a relative position of the processing head with respect to the surface of the sheet metal;a beam oscillation mechanism configured to oscillate the beam spot on the surface of the sheet metal by oscillating the laser beam emitted from the opening in the opening; anda control device configured to control the beam oscillation mechanism so as to oscillate the beam spot with an oscillation pattern including an oscillation component in a direction orthogonal to a cutting direction of the sheet metal in a non-holding region, in which a holding unit of a conveyance apparatus for conveying a product is not held, when cutting the product from the sheet metal by moving the relative position of the processing head using the moving mechanism and irradiating the sheet metal with the laser beam, the non-holding region being at least a part of a periphery of a protrusion portion of the ...

Laser processing apparatus

In a laser processing apparatus for refining magnetic domains of a grain-oriented electromagnetic steel sheet by setting a laser beam to be focused on the grain-oriented electromagnetic steel sheet and scanned in a scanning direction, the laser beam focused on the grain-oriented electromagnetic steel sheet is linearly polarized light, and an angle between a linear polarization direction and the scanning direction is higher than 45° and equal to or lower than 90°.

Respot jig

A respot jig is capable of easily moving a welding gun to any welding position and controlling positions of various kinds of workpieces. The respot jig includes: a jig having a flat shape; welding systems installed at both sides of an upper portion of the jig and including a five-shaft rotating unit and a welding gun connected to an upper end of the five-shaft rotating unit, respectively; and an aligning and controlling system installed on the jig between the welding systems and including at least one swivel clamp unit and at least one aligning unit.

Flux-cored wire, manufacturing method of welded joint, and welded joint

A flux-cored wire according to an aspect of the present invention includes: a steel sheath; and a flux filling the inside of the steel sheath, in which the flux contains 0.11% or more in total of a fluoride in terms of F-equivalent value, 4.30% to 7.50% of a Ti oxide in terms of TiO 2 equivalent, 0.30% to 2.40% in total of an oxide in terms of mass %, and 0% to 0.60% in total of a carbonate in terms of mass %, the amount of a Ca oxide in terms of CaO is less than 0.20% in terms of mass %, the amount of CaF 2 is less than 0.50%, a chemical composition of the flux-cored wire is within a predetermined range, a Z value is 2.00% or less, a V value is 5.0 to 27.0, and Ceq is 0.30% to 1.00% or less.

RESISTANCE SPOT WELDING METHOD AND WELD MEMBER PRODUCTION METHOD

Provided is a resistance spot welding method by which a desired nugget diameter can be stably obtained without expulsion even when the effect of a disturbance is significant. 3. The resistance spot welding method according to claim 1 , comprising actual welding in which the main current passage is performed and test welding prior to the actual welding claim 1 , whereinin main current passage in the test welding, a time variation curve of an instantaneous amount of heat generated per unit volume and a cumulative amount of heat generated per unit volume that are calculated from an electrical property between the electrodes in forming an appropriate nugget by performing current passage by constant current control, and a time integration value of a resistance between the electrodes are stored, andfurther, in the main current passage in the actual welding, the time variation curve of the instantaneous amount of heat generated per unit volume and the cumulative amount of heat generated per unit volume in the main current passage in the test welding are set as target values, and adaptive control welding is performed to control a current passage amount according to the target values.4. A weld member production method comprising joining a plurality of overlapping metal sheets by the resistance spot welding method according to .5. The resistance spot welding method according to claim 2 , comprising actual welding in which the main current passage is performed and test welding prior to the actual welding claim 2 , whereinin main current passage in the test welding, a time variation curve of an instantaneous amount of heat generated per unit volume and a cumulative amount of heat generated per unit volume that are calculated from an electrical property between the electrodes in forming an appropriate nugget by performing current passage by constant current control, and a time integration value of a resistance between the electrodes are stored, andfurther, in the main current ...

JOINING APPARATUS

A joining apparatus includes a pressor that cause the first joint target portion and the second joint target portion to butt against each other, a workpiece moving organizer that moves the first workpiece and the second workpiece along an extending direction of the first joint target portion and the second target portion, a separator that temporarily separates the first joint target portion and the second joint target portion from each other by deforming a part of a butting site between the first joint target portion and the second joint target portion; and a laser irradiator that irradiates a site at which the first joint target portion and the second joint target portion separated from each other approach each other again, with laser light on a downstream side of the separator in a moving direction of the first workpiece and the second workpiece. 1. A joining apparatus for joining a first workpiece having a first joint target portion extending linearly and a second workpiece having a second joint target portion extending linearly , comprising:a pressor that presses at least one of the first workpiece and the second workpiece to the other workpiece to cause the first joint target portion and the second joint target portion to butt against each other;a workpiece moving organizer that moves the first workpiece and the second workpiece along an extending direction of the first joint target portion and the second target portion in a state where the first joint target portion and the second joint target portion are caused to butt against each other;a separator that temporarily separates the first joint target portion and the second joint target portion from each other by deforming a part of a butting site between the first joint target portion and the second joint target portion so that the part of the butting site is turned up during a moving process of the first workpiece and the second workpiece; anda laser irradiator that irradiates a site at which the first joint ...

GAS SHIELDED ARC WELDING METHOD

A gas shielded arc welding method includes welding a steel sheet with a tensile strength of 780 MPa or more using a shielding gas containing Ar in an amount of 92 vol. % to 99.5 vol. %. In the gas shielded arc welding method, a value calculated from the following expression (1) is 0.20 or more: {√v/(D/2)}×10−{(100−C)×I/v}×0.1 . . . (1), where Crepresents an Ar content (vol. %) in the shielding gas, D represents an inner diameter (mm) of a nozzle from which the shielding gas is supplied, v represents a welding speed (cm/min), and I represents a welding current (A). 2. The gas shielded arc welding method according to claim 1 , wherein the D is 10 mm to 16 mm.3. The gas shielded arc welding method according to claim 1 , wherein the v is 30 cm/min to 200 cm/min.4. The gas shielded arc welding method according to claim 2 , wherein the v is 30 cm/min to 200 cm/min. This application claims priority from Japanese Patent Application No. 2018-201245 filed on Oct. 25, 2018, the entire subject matter of which is incorporated herein by reference.The present invention relates to a gas shielded arc welding method for welding a steel sheet with a tensile strength of 780 MPa or more while supplying a shielding gas.In the field of automobiles or the like, a high tensile strength steel (HTSS) sheet has been frequently used for the purpose of weight reduction and welding of a high tensile strength steel sheet has been developed from various standpoints. For example, Patent Literature 1 proposes a solid wire for welding intended to improve tensile strength and cold cracking resistance of a weld metal by suitably adjusting contents of metals contained in the wire and controlling the value obtained from the specific expression using the contents.Patent Literature 1: Japanese Patent No. 5284246In general, slag on molten metal repeats a behavior that the slag aggregates and enlarges with the progress of welding and is captured with a solidification interface when the size of the slag ...

Resistance spot welding method

A resistance spot welding method including: a pulsation process of clamping a sheet assembly of two or more overlapped steel sheets including at least one high tensile steel sheet using a pair of welding electrodes that are connected to a spot welding power source employing an inverter direct current method, and performing plural repetitions of current passing and current pass stopping, while pressing the steel sheets with the welding electrodes; and a continuous current pass process in which, after the pulsation process, current is passed continuously for a longer period of time than a maximum current pass time of the pulsation process, while pressing the steel sheets with the welding electrodes.

Welding method and welding apparatus

A welding method includes a step of, while irradiating laser beam toward a workpiece, relatively moving the laser beam and the workpiece and, while sweeping the laser beam on the workpiece, melting the workpiece in an irradiated portion to perform welding. Further, the laser beam is configured by a main power region and a sub-power region, at least a part of the sub-power region is present on a sweeping direction side of the main power region, a power density of the main power region is equal to or higher than a power density of the sub-power region, and the power density of the main power region is at least power density that can generate a keyhole.

SPOT WELDING METHOD

Provided is a spot welding method capable of reliably welding a metal sheet laminate while suppressing occurrence of expulsion. In the spot welding method, a pulse current is applied in a first current application step and a second current application step by a DC chopping control method. In the DC chopping control method, a pulse waveform of the pulse current is generated by switching between current application and current application stop to a pair of electrodes and by a current switch a peak current value of the pulse current in the first current application step is set to a value A equal to that of the pulse current in the second current application step, and a power of the pulse current in the first current application step is set to a value larger than that of the pulse current in the second current application step. 1. A spot welding method for disposing a metal sheet laminate formed by laminating three or more metal sheets such that at least one metal sheet of the three or more metal sheets is thinner than the other metal sheets , between a pair of electrodes , and causing a pulse current to flow between the pair of electrodes to join the metal sheets , whereinthe pulse current is applied in a first current application step and a second current application step continuous with the first current application step and having a period longer than a period of the first current application step by a DC chopping control method,in the DC chopping control method, a pulse waveform of the pulse current is generated by switching between current application and current application stop to the pair of electrodes by a switching portion, anda peak current value of the pulse current in the first current application step is set to a value equal to or larger than that of the pulse current in the second current application step, and a power of the pulse current in the first current application step is set to a value larger than that of the pulse current in the second current ...

METHOD FOR TRANSPORTING WORKPIECE PARTS

A method for transporting workpiece parts out of a cutting area of a laser cutting machine includes: moving a first holding device for holding workpiece parts along a first guide in a transporting direction transverse to a direction of movement of a laser cutting head, and moving a second holding device along a second guide in the transporting direction transverse to the direction of movement of the laser cutting head. First workpiece parts, which are cut within the cutting area from a first half of a workpiece, are transported from the cutting area into the storage area by the first holding device. Second workpiece parts, which are cut within the cutting area from a second half of the workpiece, are transported from the cutting area into storage area by the second holding device. The transportation of the first and second workpiece parts takes place in alternation. 114-. (canceled)15. A method for transporting workpiece parts out of a cutting area of a laser cutting machine into a storage area , the method comprising:moving at least one first holding device for holding workpiece parts along a first guide in a transporting direction transverse to a direction of movement of a laser cutting head of the laser cutting machine;transporting first workpiece parts, which are cut within the cutting area in a first half of a workpiece with respect to the direction of movement of the laser cutting head, from the cutting area into the storage area by the at least one first holding device;moving at least one second holding device for holding workpiece parts along a second guide in the transporting direction transverse to the direction of movement of the laser cutting head;transporting second workpiece parts, which are cut within the cutting area in a second half of the workpiece with respect to the direction of movement of the laser cutting head, from the cutting area into the storage area by the at least one second holding device; andtransporting a first workpiece part and a ...

ROBOTIC ARM SYSTEM AND OBJECT AVOIDANCE METHODS

One variation of a method for controlling a robotic arm includes: moving the robotic arm through a trajectory; at a first time in which the robotic arm occupies a first position along the trajectory, measuring a first capacitance of a first sense circuit comprising a first electrode extending over a first arm segment of the robotic arm; at a second time in which the robotic arm occupies a second position along the trajectory, measuring a second capacitance of the first sense circuit; calculating a first rate of change in capacitance of the first sense circuit based on a difference between the first capacitance and the second capacitance; in response to the first rate of change in capacitance of the first sense circuit exceeding a threshold rate of change, issuing a proximity alarm; and reducing a speed of the robotic arm moving through the trajectory in response to the proximity alarm. 1. A method for controlling a robotic system , the method comprising:when the robotic system occupies a first position along a path at a first time, sensing a first capacitance value of a first sense circuit comprising a first electrode coupled to a first segment of the robotic system;when the robotic system occupies a second position along the path at a second time succeeding the first time, sensing a second capacitance value of the first sense circuit;estimating a first speed of the first electrode relative to external mass based on a difference between the first capacitance value and the second capacitance value;in response to the first speed of the first electrode relative to external mass approximating a speed of the robotic system between the first time and the second time, issuing a proximity alarm for motion toward a static object; andwhile the proximity alarm for motion toward a static object is current, reducing a current speed of the robotic system, moving along the path, to less than a maximum speed of the robotic system.2. The method of :wherein sensing the first ...

FIXTURE ASSEMBLY FOR WELDING OPERATIONS

A fixture assembly for supporting a plurality of blanks during a welding operation. The fixture assembly includes a frame. A plurality of electromagnets are positioned on the frame for supporting the blanks and for drawing the blanks toward the electromagnets to secure the blanks into a desired position. A plurality of intensifiers are moveably connected to the frame for selectively overlying the top face of one of the electromagnets for clamping the blank against the electromagnet to intensify a magnetic force provided by the electromagnet. A plurality of electromagnet adjusters are each coupled with the frame and with at least one of the electromagnets for moving the electromagnets relative to the frame. A plurality of adjusting pins are each connected to the frame and moveable relative to the frame for adjusting a position of the blanks. 1. A fixture assembly for supporting a plurality of blanks during a welding operation , said fixture assembly including:a frame;a plurality of electromagnets positioned on said frame for supporting the blanks and for drawing the blanks toward said electromagnets to inhibit relative movement between the blanks and said electromagnets upon being activated;a plurality of intensifiers moveably connected to said frame for selectively overlying said electromagnets for being drawn toward said electromagnets over the blank to clamp the blank in place and to intensify a magnetic force provided by said electromagnets when said electromagnets are activated;at least one adjusting pin connected to said frame and moveable relative to said frame for adjusting a position of the blanks relative to said electromagnets prior to activating the electromagnets; anda plurality of electromagnet adjusters each coupled to said frame and at least one of said electromagnets for moving said at least one of said electromagnets relative to said frame after said electromagnets have been activated for closing any gaps between said blanks.2. The fixture assembly ...

Electrode for resistance spot welding and a method for resistance spot welding using the same

Provided are a resistance spot welding electrode including a projection protruding from an opposing surface that faces a base metal, surrounding a center of the opposing surface, and including a round-shaped end that is capable of contacting the base metal, in order to expand a welding area, minimize expulsion, and significantly increase weld strength, and a resistance spot welding method using the same.

Arc spot welded joint and manufacturing method thereof

In an arc spot welded joint manufacturing method in which two steel sheets configured by high strength steel having a component carbon content of 0.07% by mass or greater are overlapped, and the sheets are lap welded together in a spot pattern. The method includes a first welding pass in which a second steel sheet on the lower side is melted up to a back face side, and first weld metal is formed including a first reinforcement portion, and a second welding pass in which a second weld metal including a second reinforcement portion is formed over the first weld metal, such that the heights of the first reinforcement portion or the second reinforcement portion is formed at t/5 or greater with respect to the sheet thickness t of the steel sheets, and the average weld bead diameter is formed at from 3t to 10t.

Hot clamping method and clamping cooling apparatus

A hot clamping method includes: blanking to cut a material; cold-working to cool down the cut material to produce a product having a shape of a completed product; heating the cooled product in a heating furnace; and clamping cooling to set the heated product in a clamp to clamp it so that it is in contact with the clamp to be cooled down.