七、推(顶)件力 (α)影响推(顶)件力的因素从文献方面很少看到有关推(顶)件力的资料。这是由于推件不需要附加机构,一般能胜任冲裁的凸模都有力量接着进行推件,而推件与冲裁又不是同时发生的。至于顶件,冲床台下面有足够的空间,安装力能胜任的顶件机构,一般不会在设计中遇到什么 Seven, push (top) pieces of force (α) affect the push (top) pieces of force factors from the literature rarely see the push (top) pieces of information. This is because the pusher does not require an additional mechanism, the puncher that is generally capable of punching has the force to push the pusher, and the pusher and the punching do not occur at the same time. As for the top piece, there is enough space below the punch press table, the top part of the installation force can be qualified, generally do not encounter in the design