发明公开
- 专利标题： VORRICHTUNG ZUR AUTOFRETTAGE
- 专利标题（英）： Device for autofrettage
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申请号： EP10798527申请日： 2010-12-08
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公开(公告)号： EP2510128A1公开(公告)日： 2012-10-17
- 发明人: MANZ STEFAN , RUECKAUF ANDREAS , MARTIN OLIVER , VOLKERT HANS , GRUPP CLEMENS , BRAUN THOMAS
- 申请人： BOSCH GMBH ROBERT
- 专利权人： BOSCH GMBH ROBERT
- 当前专利权人： BOSCH GMBH ROBERT
- 优先权： DE102009054558 2009-12-11
- 主分类号： C21D7/12
- IPC分类号： C21D7/12 ; B21D26/02 ; C21D8/10 ; C21D9/08 ; C21D9/10 ; C21D9/12 ; C21D9/14
摘要：
The invention relates to a device for the autofrettage of workpieces (3), comprising a circumferentially closed housing (2) having an inner face (25) for receiving the workpiece (3), at least one sealing element (4) for closing an opening (5) of the workpiece (3), and a feed unit (12) for feeding an autofrettage medium into an inner space of the workpiece (3), wherein the sealing element (4) is arranged on the inner face (25) of the housing (2) and has a radially movable piston (6) for closing the opening (5).
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