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采用先进的冷挤压成形工艺可保证桑塔纳轿车所用起动机电磁开关壳质量达到原设计要求,也为其它型号的起动机开关壳的加工开创了一条新的途径。本文从坯料尺寸的确定、坯料处理、挤压力的三种计算方法以及模具结构等方面介绍了开关壳的冷挤压成形工艺。
The use of advanced cold extrusion forming process ensures that the quality of the electromagnetic switch shell used in the Santana sedan meets the original design requirements and opens up a new avenue for the processing of other types of starter switch housings. In this paper, the cold extrusion forming process of the switch shell is introduced from the aspects of the blank size determination, blank processing and squeezing force calculation methods and mold structure.