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。
2
The bandage modules include an opening (119) on the front wall, a cuttingedge (120) within the opening, and one or more module joining attachments (121) on said side walls (115) and (116).