发明名称 Hotformed hubs and method
摘要 A method of manufacturing an irregularly shaped forging includes heating a billet to a predetermined temperature, placing the heated billet within the cavity of a die, advancing a punch into the cavity to begin to disperse the material into a plurality of radially extending extremities of the cavity and continuing to advance the punch into the die to force a portion of the material to enter predetermined clearance zones between the punch and the die to form an irregularly shaped forging having a plurality of axially extending flash portions.
申请公布号 US7174763(B2) 申请公布日期 2007.02.13
申请号 US20050124533 申请日期 2005.05.05
申请人 AMERICAN AXLE & MANUFACTURING, INC. 发明人 LOWE JASON J.
分类号 B21K23/04;B21J5/02 主分类号 B21K23/04
代理机构 代理人
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