发明名称 |
Method and device for the production of a workpiece with internal toothing, in particular a hollow wheel |
摘要 |
A process and assembly are employed to manufacture a work piece with internal gear teeth e.g. a hollow wheel. The operation begins with a cup-shaped preform (N) with an essentially cylindrical side wall (N1) and drift (5). The outer profile corresponds to the internal teeth to be produced. |
申请公布号 |
EP1700651(A1) |
申请公布日期 |
2006.09.13 |
申请号 |
EP20060007394 |
申请日期 |
2001.11.01 |
申请人 |
FORSCHUNGSGESELLSCHAFT UMFORMTECHNIK M.B.H. |
发明人 |
SCHWAGER, ARIBERT;KAMMERER, MANFRED;BLEYL, FRITZ;SIEGERT, KLAUS |
分类号 |
B21J5/12;B21J13/02;B21K1/30 |
主分类号 |
B21J5/12 |
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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