This paper introduces the method to treat the tap of small specifiations using the softening technology and the way to reduce the roughness of the surface to avoid cracks when punching.

• 介绍了小规格丝锥毛坯,采用软化处理工艺与降低待冲挤面表面粗糙度的方法,来防止冲方时容易产生裂纹的措施。