发明名称 Werkwijze en inrichting voor het vervormen van een hol werkstuk.
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 NL1015773(C2) 申请公布日期 2002.01.22
申请号 NL20001015773 申请日期 2000.07.21
申请人 JOHAN MASSUE 发明人 JOHAN MASSUE
分类号 B21D22/14;B21D53/84;(IPC1-7):B21D22/14 主分类号 B21D22/14
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