Because after being drawn the edge of a drawing piece is no flattening generally it needs edge trimming to meet the demand usually realized by side-cutting and turn-cutting dies.

由于拉伸件在拉伸后边缘不平整，一般需要修边才能达到要求，通常采用侧切和旋切模实现。

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Because after being drawn the edge of a drawing piece is no flattening generally it needs edge trimming to meet the demand usually realized by side-cutting and turn-cutting dies.

由于拉伸件在拉伸后边缘不平整，一般需要修边才能达到要求，通常采用侧切和旋切模实现。

youdao