发明名称 |
Ejection of superplastically formed part with minimum distortion |
摘要 |
A method of removing or ejecting a part from a first die after the part has been superplastically formed in a cavity of the die at an elevated temperature such that the part sticks to the surfaces of the die. The method includes the steps of forming a flange of the part between opposed die surfaces and providing movable plate within the die cavity and a ring on the opposed surface of the first die that engages the flange and the part in the cavity in a uniform manner. The movable plate and ring are then translated away from the die surfaces to uniformly move the part from the first die after the dies are separated.
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申请公布号 |
US4741197(A) |
申请公布日期 |
1988.05.03 |
申请号 |
US19860856023 |
申请日期 |
1986.04.25 |
申请人 |
ALUMINUM COMPANY OF AMERICA |
发明人 |
SPUHLER, EDWIN H.;STORY, JAMES M. |
分类号 |
B21D26/02;B21D45/02;(IPC1-7):B21D45/02 |
主分类号 |
B21D26/02 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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