This article aims at the reason and harm which is caused by up run of scraps.It presents a method how to make use of electrospark hardening and change the structure of die to prevent up run of scraps.
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- 本文针对高速冲裁过程中废料回带产生的原因及其危害,介绍了用电火花强化改变凹模结构来防止废料回带的方法。