29-04-2021 дата публикации
Номер: US20210121928A1
Автор:
Xi ZHAO,
Zhimin ZHANG,
Yong XUE,
Jianmin YU,
Shuailing KAN,
ZHAO XI,
ZHANG ZHIMIN,
XUE YONG,
YU JIANMIN,
KAN SHUAILING,
ZHAO, Xi,
ZHANG, Zhimin,
XUE, Yong,
YU, Jianmin,
KAN, Shuailing
Принадлежит:
The present disclosure provides a rotary extrusion forming method for a cabin section workpiece, comprising the following steps of: first preparing a hollow truncated cone-shaped blank; heating the prepared blank to a molding temperature and holding, and preheating a female die and a male die to above the molding temperature and holding; assembling an upper die assembly on a press; applying lubricant on the female die and the male die, and placing and fixing the blank into a die cavity of the female die; starting up a rotation driving device to drive the female die to rotate on a lower die base, so that the female die drives the blank to rotate; starting up the press to make the male die move down to a machining position of the blank in the female die cavity through the upper die assembly, and machining inner side walls of the blank. 1. A rotary extrusion forming method for a cabin section workpiece , comprising a male die , a female die , an upper die assembly , a lower die base and a rotation driving device; the male die is arranged on the upper die assembly which can drive the male die to move in the vertical and horizontal directions , and the female die is arranged on the lower die base in such a manner that it can rotate about a vertical axis; the rotation driving device is in drive connection with the female die and can drive the female die to rotate about the vertical axis; the method further comprises the following steps of:{'b': '1', 'S: preparing a hollow truncated cone-shaped blank;'}{'b': '2', 'S: heating the prepared blank to a molding temperature and holding, and preheating the female die and the male die to above the molding temperature and holding;'}{'b': '3', 'S: assembling the upper die assembly on a press;'}{'b': '4', 'S: applying lubricant on the female die and the male die, and placing and fixing the blank into a die cavity of the female die;'}{'b': '5', 'S: starting up the rotation driving device to drive the female die to rotate on the lower ...
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