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Небесная энциклопедия

Космические корабли и станции, автоматические КА и методы их проектирования, бортовые комплексы управления, системы и средства жизнеобеспечения, особенности технологии производства ракетно-космических систем

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Применить Всего найдено 2. Отображено 2.
07-05-2014 дата публикации

Multi-photography synchronous spectrum collection system for measuring temperature and concentration of multi-component welding arc

Номер: CN103776533A
Автор: XIAO XIAO, HUA XUEMING, WANG LIN, YE DINGJIAN, LI FANG, WU YIXIONG
Принадлежит:

The invention provides a multi-photography synchronous spectrum collection system for measuring temperature and concentration of a multi-component welding arc. The multi-photography synchronous spectrum collection system for measuring temperature and concentration of the multi-component welding arc comprises an arc output power supply, a plurality of high-speed photography systems, a synchronous triggering device, a collection board card and a computer, wherein the arc output power supply produces arc plasma, the multiple high-speed photography systems are arranged at the side of the arc plasma, are located at the same plane as the arc plasma, are matched with narrow-band optical filters of different elements to shoot arc images of different wave lengths, the synchronous triggering device controls the multiple high-speed photography systems to achieve synchronous photography and is connected to the computer through the collection board card, the collection board card collects image data ...

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Номер записи: 1
14-05-2014 дата публикации

GMAW horizontal welding method for board with large thickness

Номер: CN103785929A
Автор: ZHANG JING, LI FANG, YE DINGJIAN, WU DONGSHENG, GU YU, HUA XUEMING, CAO NENG
Принадлежит:

The invention provides a GMAW horizontal welding method for a board with a large thickness. A horizontal welding groove of the board with the large thickness is designed in the mode that the depth is 60 mm and the angle of a small groove on the root is 45 degrees, the whole groove is divided into a root welding zone, an upper wall welding zone, an upper interlayer welding zone, a lower wall welding zone, a lower interlayer welding zone and a cover surface zone in terms of welding zones, and regulation angles of welding guns of different zones are regulated. Meanwhile, arc voltage and current welding conditions are given so as to obtain qualified weld joints and welding sequences of single wires and twin wires are regulated in welding. According to the method, the qualified weld joints without the situation that a weld pool flows down and with a good penetration degree can be obtained at a low cost, and welding efficiency can be remarkably improved.

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Номер записи: 2