论文部分内容阅读
对击针成形工艺进行了分析,采用冷镦挤工艺制备该零件,并进行了工艺计算,介绍了剪切模和冷镦挤模的结构,给出了冷镦挤凹模的设计方法,保证了该零件冷镦挤成形的进行。
The forming process of the needle-striking needle was analyzed. The cold-heading extrusion process was used to prepare the part and the process calculation was carried out. The structure of the shear die and the cold heading die were introduced. The design method of the cold heading die was given, The cold heading of the extrusion process.