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介绍在凸模端面加设锥度 ,在侧面加设刃带的方法 ,消除了凸模被镦粗而卡料的可能 ,同时减少了凸模侧面与冲件的接触面积 ,减少了卸料力 ,从而改善凸模受力 ,提高模具寿命
This paper introduces the method of adding taper on the end surface of the punch and adding a margin on the side to eliminate the possibility of the punch being upset and jammed and reduce the contact area between the side of the punch and the punch and the discharge force, Thereby improving punch force, improve die life