A description has been made on a structure and principle of progressive die used on a general press for shear,upsetting and automatic feed used for forming small axial parts.

 
  • 介绍了用在通用压力机上成形小型轴类零件的一种新型切断、冷镦自动送料连续模的结构形式、工作原理和设计要点。
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