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本文叙述起动机内齿轮轴及导向筒冷挤压工步的合理选择;模具设计特点;润滑及毛坯软化处理工艺的改进等问题。
This paper describes the starter gear shaft and guide tube cold extrusion step of the reasonable choice; mold design features; lubrication and rough softening treatment process improvements and other issues.