It introduced drawing, punching progressive dies for solder pieces and analyzed the processing ability of the component for stamping and punching. The structure of the die was designed reasonably.

介绍了焊片零件拉伸、冲裁多工位级进模，分析了零件的冲压工艺性，并对模具结构进行了合理的设计。

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Processing analysis by numerical simulation(NS) of deep drawing step in progressive die(DDSPD) quickly and accurately was very important.

在带有拉深工步的级进模设计中，用数值模拟技术对其拉深工步进行工艺分析是非常重要的。

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