发明申请
- 专利标题: Mold and method of manufacturing the same
- 专利标题(中): 模具及其制造方法
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申请号: US10555001申请日: 2004-05-06
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公开(公告)号: US20060237160A1公开(公告)日: 2006-10-26
- 发明人: Masahiro Nitta , Masayuki Mito , Ryoichi Ikeo , Takeshi Shinoda
- 申请人: Masahiro Nitta , Masayuki Mito , Ryoichi Ikeo , Takeshi Shinoda
- 优先权: JP2003-12826 20030506
- 国际申请: PCT/JP04/06431 WO 20040506
- 主分类号: B22D11/00
- IPC分类号: B22D11/00
摘要:
A mold welded with a dissimilar metal member, characterized in that said mold is manufactured by a method comprising a first step for pressingly bringing the dissimilar metal member into contact with a mold formed of copper or a copper alloy in a stationary state while rotating the dissimilar metal member at a high speed, a second step for stopping the dissimilar metal member, and a third step for providing a forced pressure larger than the pressure in the first step to the mold. By utilizing the present mold, the problems of efficient cooling and attachment of back frame are solved, more concretely, a variety of problems such as cutting processing loss of copper or a copper alloy plate, a large amount of processing time, heat distortion and heat deterioration of a copper plate and the like can be solved, and the reliability concerning with the welding position precision and the welding strength of stud bolt can be improved. A mold welded with a dissimilar metal member characterized in that the mold is manufactured by a method comprising a first step.
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