51吃瓜

???? ???? ???? ???? ??? ??? ??? ???? ???? ???? ????????? ??? ?? ??? ??? ?????????? ?? ????? ?? ????? ??? ??? ?? ??? ??? ???? ????? ?? ??? ??? ??? ????? ???. Sheet Metal Processing includes traditional methods and process parameters such as cutting, punching, and bending forming, as well as various cold stamping die structures and process parameters, equipment working principles and operation methods, and new stamping technologies and processes. ??? ?? ?? ????? ?? ?????? ???? ??? ?????? ?? ??? ??.

Sheet metal processing is called sheet metal processing. ????? ??? ??? ?? ??????? ???? ?? ???? ???? ????? ??? ???? ??? ???? ?????? ????? ???? ??? ????? ?? ?????? ???? ?? ??? ????? ??????? ??? ?????. ???? ????? ??? ???? ?????? ?????? ??????? ??????? ??????? ??? ????? ?? ????? ?? ????? ??. Sheet metal parts are thin metal parts that can be processed through stamping, bending, stretching, and other methods. A general definition is parts with constant thickness during processing. ???? ??? ??? ????? ???? ???? ????? ????? ????? ??? ??? ???.