发明授权
- 专利标题: Methods of electromagnetic forming aluminum alloy wheel for automotive use
- 专利标题(中): 用于汽车用电磁成型铝合金车轮的方法
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申请号: US10933287申请日: 2004-09-03
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公开(公告)号: US07441335B2公开(公告)日: 2008-10-28
- 发明人: Yoshihaya Imamura , Hiroyuki Yamashita
- 申请人: Yoshihaya Imamura , Hiroyuki Yamashita
- 申请人地址: JP Kobe-shi
- 专利权人: Kabushiki Kaisha Kobe Seiko Sho (Kobe Steel, Ltd.)
- 当前专利权人: Kabushiki Kaisha Kobe Seiko Sho (Kobe Steel, Ltd.)
- 当前专利权人地址: JP Kobe-shi
- 代理机构: Oblon, Spivak, McClelland, Maier & Neustadt, P.C.
- 优先权: JP2003-312198 20030904
- 主分类号: B23P17/00
- IPC分类号: B23P17/00
摘要:
A metal mold for electromagnetic forming, with the inner peripheral face thereof, serving as a forming face, is disposed on the outer peripheral side of a columnar workpiece, and a coil for electromagnetic forming is disposed on the inner peripheral side of the columnar workpiece. In a state of a configuration as described, electric energy is thrown into the coil for the electromagnetic forming, and the columnar workpiece is caused to undergo flaring to be thereby pressed against the forming face of the metal mold for the electromagnetic forming, so as to be turned into a shape corresponding to the forming face by means of the electromagnetic forming, thus obtaining a wheel rim. A disc is welded to the wheel rim obtained, and curling is applied to outer edges of the wheel rim. With the adoption of a method of manufacturing an automotive wheel, a manufacturing process as a whole is enhanced in efficiency.
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