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公开(公告)号:EP2510128A1
公开(公告)日:2012-10-17
申请号:EP10798527
申请日:2010-12-08
申请人: BOSCH GMBH ROBERT
发明人: MANZ STEFAN , RUECKAUF ANDREAS , MARTIN OLIVER , VOLKERT HANS , GRUPP CLEMENS , BRAUN THOMAS
CPC分类号: C21D7/12 , B23P9/00 , C21D8/10 , C21D9/08 , C21D9/10 , C21D9/12 , C21D9/14 , F02M2200/8053 , F02M2200/9061
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).
摘要翻译: 本发明涉及一种用于工件(3)的自增力的装置,该装置包括:周向封闭的壳体(2),其具有用于接收工件(3)的内表面(25);至少一个密封元件(4) (3)的内表面(25);以及用于将自增强介质供给到工件(3)的内部空间中的供给单元(12),其中密封元件(4)布置在工件 壳体(2)并具有用于关闭开口(5)的可径向移动的活塞(6)。