我厂的锥齿轮类锻件在锤上棋锻之后,是利用曲柄压力机在复合模上同时进行热切边和热冲孔工序的。原设计的复合模(图1)没有退出连皮和飞边的装置。连皮冲掉之后,需要靠自重从凸模的孔(即冲孔凹模)中掉出;飞边则需由操作者利用凸模上专门开设的偏心槽,先将飞边 My factory bevel gear forgings in the hammer chess forging, the use of crank presses in the mold at the same time eagerly edge and hot punching process. The original design of the composite die (Figure 1) did not exit the skin and flash devices. Even the skin washed away, you need to rely on their own weight from the hole punch (ie punching die) fell out; the flash by the operator need to use a special open eccentric groove on the punch, the first flash