The service life of M16 hexagon trimmingdies was extended remarkably by means of analyzing the exerted force and optimizing the materials of die.
通过模具受力分析、材料优化等措施，显著提高了M16六角切边模的使用寿命。
2
A new type of structure of the trimmingdies and the formulae for designing the cutting edge of the dies are put forward, the manufacture process and the seriation of the dies are discussed.
提出新型切边模结构和刃口齿形设计计算公式，论述模具制造工艺、模块翻新和模具系列化方案。
3
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.