On the problem of open compression die emerged in production, the part is analyzed and a new processing method is put forward. Cold punching technology is replaced by cold extrusion technology.

针对敞开式压缩模在生产中出现的问题，对工件进行分析研究，提出新的工艺方法，以冷挤压工艺取代冷冲压工艺。

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The boron-doping technology and metallurgical micro-structure of die steel are discussed from the angle of its resistance to repeated shock compression.

结果指出：模具钢渗硼层在多次冲击压缩载荷下发生一定的塑性变形。

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Based on the analysis of the technological characteristics of the plastic part, a compression model die structure was designed. The die characteristics and the operating process were discussed.

分析了塑件的工艺性，设计了新型的压模结构，论述了模具特点和工作过程。

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