发明名称 METHOD AND FORMING MACHINE FOR DEFORMING A HOLLOW WORKPIECE
摘要 The invention relates to a method and a forming apparatus for deforming a hollow workpiece having at least one open end, wherein the workpiece is clamped down in a clamping device, a first forming tool is placed into contact with the outer surface of the workpiece, said workpiece and said tool are rotated about an axis of rotation relative to each other and said workpiece is deformed by means of said first tool. A second forming tool is placed into the cavity defined by the workpiece and into contact with the inner surface of the hollow workpiece, after which the workpiece is deformed by means of said second tool.
申请公布号 KR20030045777(A) 申请公布日期 2003.06.11
申请号 KR20037000746 申请日期 2001.07.20
申请人 发明人
分类号 B21D7/08;B21D22/14;B21D53/84 主分类号 B21D7/08
代理机构 代理人
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