Analyzing the craft features of a punching piece, ascertain the process and scheme of a progressive die blank layout, and the design of main die working parts and final assembly structures.

通过该冲件特点的工艺分析，确定级进模排样方案过程和模具主要工作零件及模具总装结构设计。

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Analyzing the craft features of a punching piece, ascertain the process and scheme of a progressive die blank layout, and the design of main die working parts and final assembly structures.

分析了支架的冲压工艺，给出了排样设计方案和相应的模具结构，并就主要零件设计加工中应注意的问题进行了分析，提出了解决办法。

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