both the structure of die without punch guidance and protecting jacket are analyzed, and opinions that intensity of blanking small punch should be verified are concluded.
对无凸模导向和保护套的模具结构进行分析,提出沖裁小凸模强度核算应考虑的问题。
the paper introduces the preparation of the protecting jacket for the automobile connector from nylon and abs, and the application in the automobile connector.