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1. 发明申请

WO1995014567A1 UNDERCUT SPLIT DIE 审中-公开
公开(公告)号：WO1995014567A1
公开(公告)日：1995-06-01
申请号：PCT/CA1993000505
申请日：1993-11-24
申请人： STACKPOLE LIMITED , HINZMANN, Gerd , HAIKO, Mark , MA, Frank , WILSON, Allan , BUCKLEY-GOLDER, Keith , ROUND, Robert
发明人： STACKPOLE LIMITED
IPC分类号： B30B11/02
CPC分类号： B29C43/02 , B22F3/03 , B30B11/02 , Y10S425/035
摘要： This invention relates to a device to compact parts with an undercut out of powder material having an upper die moveable relative a lower die, at least one upper punch associated with the upper die for relative movement therebetween, at least two lower punches associated with said lower die for relative movement therebetween, the lower punches defining a lower cavity with the lower die for filling with the powder material when the dies are in an open position, the upper die contacting the lower die in a closed position for movement of one of the lower punches towards the upper die so as to transfer the powder material towards the upper die and then to compact the powder material between the upper and lower punches with said dies in the closed position so as to produce said part; said dies moveable to an eject position for ejection of the compacted part.
摘要翻译：本发明涉及一种用粉碎材料制成的底切部件的装置，其具有可相对于下模移动的上模，与上模相关联的至少一个上冲头，用于相对运动，至少两个与所述下模相关联的下冲头模具用于相对运动，下冲头限定下腔，当模具处于打开位置时，下模具用于填充粉末材料，上模具在关闭位置接触下模具以移动下一个朝向上模冲压，以将粉末材料转移到上模，然后将上冲头和下冲头之间的粉末材料与所述模具在关闭位置压实，以便产生所述部件; 所述模具可移动到弹出位置以弹出压实部件。

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