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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 3. Отображено 3.
27-06-2012 дата публикации

Self-propagating brazing heat source medicinal powder, self-propagating brazing device and preparation method thereof

Номер: CN0101972905B
Автор: LUO ZHEN, BAI YANG, FAN NAIFENG, AO SANSAN, ZHEN LUO, YANG BAI, NAIFENG FAN, SANSAN AO
Принадлежит:

The invention discloses self-propagating brazing heat source medicinal powder, a self-propagating brazing device and a preparation method thereof. 20 to 45 mass percent of Fe2O3 powder, 10 to 30 mass percent of Al powder and 30 to 50 mass percent of CuO powder are uniformly ground to obtain heat source medicinal powder; the heat source medicinal powder is filled into a heat temperature-resistant container of which a bottom part is provided with a through hole, a brazing heat-conducting tank of which a bottom part is open is put into the heat temperature-resistant tank to squeeze the heat source medicinal powder between two containers, a brazing filler metal is positioned in the brazing heat-conducting tank, and a lead is inserted into the heat source medicinal powder. During the welding, the self-propagating brazing heat source medicinal powder is put at a to-be-welded position of a workpiece, the lead is ignited, welding powder performs thermit reaction and discharges heat to melt the ...

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Номер записи: 1
16-02-2011 дата публикации

Self-propagating brazing heat source medicinal powder, self-propagating brazing device and preparation method thereof

Номер: CN0101972905A
Автор: ZHEN LUO, YANG BAI, NAIFENG FAN, SANSAN AO, LUO ZHEN, BAI YANG, FAN NAIFENG, AO SANSAN
Принадлежит:

The invention discloses self-propagating brazing heat source medicinal powder, a self-propagating brazing device and a preparation method thereof. 20 to 45 mass percent of Fe2O3 powder, 10 to 30 mass percent of Al powder and 30 to 50 mass percent of CuO powder are uniformly ground to obtain heat source medicinal powder; the heat source medicinal powder is filled into a heat temperature-resistant container of which a bottom part is provided with a through hole, a brazing heat-conducting tank of which a bottom part is open is put into the heat temperature-resistant tank to squeeze the heat source medicinal powder between two containers, a brazing filler metal is positioned in the brazing heat-conducting tank, and a lead is inserted into the heat source medicinal powder. During the welding, the self-propagating brazing heat source medicinal powder is put at a to-be-welded position of a workpiece, the lead is ignited, welding powder performs thermit reaction and discharges heat to melt the ...

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Номер записи: 2
07-01-2015 дата публикации

Manufacturing method for hydraulic support pin roll seat

Номер: CN104259792A
Автор: WANG XINYING, MENG HECHAO, LI FUYONG, DUAN QINGCHEN, ZHAO XU, FAN NAIFENG, ZHAO JUNLI
Принадлежит:

The invention discloses a manufacturing method for a hydraulic support pin roll seat. The hydraulic support pin roll seat comprises a seat body, a pressing block and a positioning pin hole, wherein a U-shaped groove is formed in the seat body, the pressing block is inserted in the U-shaped groove and the lower end face of the pressing block is a circular arc surface, and the positioning pin hole is formed in the pressing block and the two side groove surfaces of the U-shaped groove in a penetrating mode; the circular arc surface of the pressing block is engaged with the circular arc surface at the bottom of the U-shaped groove to form a pin roll hole for penetrating into a connecting pin roll. The manufacturing method comprises the following steps of: blanking according to the sizes of the contours of a designed seat body after the pressing block is assembled to obtain the connecting material of the seat body and the pressing block; drilling a hole at the position positioned on the circular ...

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Номер записи: 3