Method of producing sliding sleeves for gearshift mechanisms

申请公布号：US6883358(B2)

申请号：US20030419715

申请日期：2003.04.21

申请公布日期：2005.04.26

申请人：

HAY-TEC AUTOMOTIVE GMBH & CO. KG

发明人：HAUF GERALD

分类号：B21H5/02;B23P15/14;F16D23/04;(IPC1-7):B21D22/00

主分类号：B21H5/02

摘要：A method of producing a sliding sleeve for gearshift mechanisms includes two forming steps. In the first forming step a preform, which has been pushed onto a tool mandrel with an external toothing, is formed by roller spinning so as to form on the inner circumferential surface of the preform the toothing implemented on the outer circumferential surface of the tool mandrel. Subsequently, the thus formed preform is formed by profile rolling on its outer circumferential surface so as to obtain a formed part. Finally, the tool mandrel is removed from the formed part.

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