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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 4. Отображено 4.
19-11-2014 дата публикации

High-performance tin-phosphor bronze wire and production method thereof

Номер: CN104152742A
Автор: LUO JIHUA, LUO XINYU, WANG YUFA, YANG XIANBAO, LIANG GUOQING, JIANG PING
Принадлежит:

The invention discloses a high-performance tin-phosphor bronze wire and a production method thereof. The high-performance tin-phosphor bronze wire comprises the following elements in percentage by weight: 4.3-5.0 percent of Sn, 0.06-0.12 percent of P, 0-0.03 percent of Zn, 0-0.005 percent of Fe, less than 0.0.3 percent of Si, 0-0.05 percent of Ni, 0-0.005 percent of Cd, 0-0.02 percent of total impurities, and Cu in balancing amount. The materials are smelted and drawn to cast a rod blank with the diameter of 12 mm, and then the rod blank is subjected to five-pass processing. The required optimal grain size is achieved by controlling the contents of minor elements like Fe in the tin-phosphor bronze wire and adjusting the annealing temperature, heat preservation time and processing rate in the processing process, therefore, that the material performance is uniform is ensured, and the produced tin-phosphor bronze wire has uniform performance and a smooth surface, and can meet the use requirements ...

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Номер записи: 1
08-08-2023 дата публикации

Multi-tab cylindrical lithium ion battery cell, manufacturing method of battery and battery of multi-tab cylindrical lithium ion battery cell

Номер: CN116565294A
Автор: LIU JINQIAN, YANG XIANBAO
Принадлежит:

The invention relates to a multi-tab cylindrical lithium ion battery cell, a manufacturing method of a battery and the battery, and the manufacturing method of the battery cell comprises the following steps: S1, arranging N negative tabs which are spaced by a preset distance on a negative plate, N being an integer greater than or equal to 3; s2, arranging a plurality of positive tabs on the positive plate; and S3, separating and winding the positive plate and the negative plate by using a diaphragm, so that the positive plate is vacated from the position corresponding to the negative tab of the negative plate, and a battery cell is prepared. The lithium ion battery has the advantage that the negative electrode lug cannot be partially overlapped with the positive electrode material on the positive electrode plate.

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Номер записи: 2
11-07-2023 дата публикации

Manufacturing method of multi-tab cylindrical lithium ion battery and lithium ion battery thereof

Номер: CN116417689A
Автор: LIU JINQIAN, YANG XIANBAO
Принадлежит:

The invention relates to a manufacturing method of a multi-tab cylindrical lithium ion battery and the lithium ion battery thereof, and the method comprises the following steps: separating a positive pole piece and a negative pole piece by using a diaphragm, and winding into a cylindrical battery cell; cutting the negative electrode of the tab blank into a group of negative electrode multi-tabs in a die cutting manner; folding and pressing the negative electrode multi-pole lug towards the direction of the circle center hole, so that the negative electrode multi-pole lug covers the circle center hole; loading the semi-finished cylindrical battery cell into a steel shell; and inserting a welding needle of an ultrasonic welding machine, and welding the cathode multi-tab on the inner bottom surface of the steel shell. The lithium ion battery has the advantages that multiple negative electrode tabs can be completely overlapped together, softness and flatness are not needed, and a current collecting ...

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Номер записи: 3
31-03-2010 дата публикации

Multipurpose automobile sling

Номер: CN0101683870A
Автор: YE FENG, CHEN XUELAI, QIN ZHAOCHENG, YANG XIANBAO, MAN ZHEN, FENG YE, XUELAI CHEN, ZHAOCHENG QIN, XIANBAO YANG, ZHEN MAN
Принадлежит:

The invention relates to a multipurpose automobile sling, which belongs to the technical field of automobile assembly lines. The multipurpose automobile sling comprises an upper hanger and two lower beams, wherein the same ends of the two parallel lower beams with equal length are connected with the upper hanger by an upright post; in a plane formed by the two lower beams, two ends of the two lower beams are vertically provided with an automotive short supporting arm inwards respectively; the short supporting arm is provided with an automobile supporting point; each lower beam has a hollow structure; the insides of the lower beams at the same end are provided with telescopic pipes; and the short supporting arms are fixed on the outer end parts of the telescopic pipes respectively. The multipurpose automobile sling can be quickly, flexibly and accurately regulated to adapt to the mixed-line production of various automobile models, and is suitable for hanging automobiles with various lengths ...

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Номер записи: 4