And the die and tool are designed with stepped punch or stepped die and with dual positive clearance.
为提高普通冲裁件断面中剪切面高度,在总结现有各种冲压分离工艺方法的基础上,提出了一种新的厚板冲裁构想,其模具结构设计为:阶梯型冲头或阶梯形凹模,且为双重正间隙。
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