Forward and Backward Extrusion Composite Forming Method Using Mould Having Open Inner Cavity

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United States of America

APP PUB NO 20200009628A1
SERIAL NO

16274264

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Abstract

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The present invention discloses a forward and backward extrusion composite forming method using a mould having an open inner cavity, including the following steps: (1) the structural design and assembly of the forward and backward extrusion composite mould having the open inner cavity; (2) the preparation of the initial billet; and (3) forward and backward extrusion composite forming. The present invention can greatly improve the length-diameter ratio of the blind hole and is widely used in alloy steel, aluminum alloy, magnesium alloy, copper alloy and other components.

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Patent Owner(s)

Patent OwnerAddress
NO 59 RESEARCH INSTITUTE OF CHINA ORDNANCE INDUSTRY400039 CHONGQING JIULONGPO SHIQIAOPU YUZHOU ROAD NO 33 MUNICIPAL DISTRICT CHONGQING CITY 400039

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
CHEN, Qiang Chongqing, CN 146 1793
HU, Chuankai Chongqing, CN 2 0
HUANG, Shuhai Chongqing, CN 2 0
LIN, Jun Chongqing, CN 109 502
WU, Yang Chongqing, CN 95 403
XIA, Xiangsheng Chongqing, CN 2 0
ZHAO, Zude Chongqing, CN 4 0

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