The largest difficulty of drawing die is requiring a feasible process project and well supplement to the process, the eligible products can be punched out only when the project is determined.
对于拉伸模最大的难度就是要求有合理的工艺方案、良好的工艺补充，只有确定好方案，才能够拉伸出合格的产品。
The shape of the male die cutting edge was determined by experiment. The products punched had minimal burr and smooth section.
通过试验确定了合理的凸模刃口形状，冲出的零件毛刺极小，产品断面平整光滑。
The most difficulty of drawing die is that it needs proper work way and good technical supplement. If only a solution is determined correctly, the qualified products can be punched.
对于拉深模具最大的难度就是要求有合理的工艺、良好的工艺参数，只有确定好方案，才能够冲压出合格的产品。
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