51吃瓜

?? ?????????????? ???? ???????? ??? ???? ????? ??? ????????????? ???????? ?? ???????????????????? ????? ??? ????????????? ??? thresholds. ?? ??? ?????? ???? ?? ???? ??? ????? ???????. ?? ?????? ???? ?? ??? ??????? ??????? ???? ?????? ?? ?????? ???? ???? ??????????? ??? ?????? ????? ?????? ??? ????? ????-???? ?? ?????? ??? ?????. ??????????? ??????, ???? ??????? ???? ????????????? ??? ?????????? ???? ??? ? ????? ????. ?? ??????????? ????????????? ??? ??? follows: ?????? ??? ??????? ????????????? ????? ????? ?????? ?????????? ?????????????, ??? ??????? ????????????? ????? ????? ?????????, ??????, ????? ???. ???? ?? ????????? ????????, ?? ????? ???? ????????? ????? ????? ??? ES, ??? ?????? ???? ????????? ??? EI, ??? ?????? ???? ????????? ????? ???? ??? ES, ??? ??? ?????? ???? ????????? ????? ???? ??? EI

??????? ??????????????? ??????????? ??? ?? ???????? ?????????? ???? ??????????????? ???????????????????? ????? ?? ???????, ??? ??? ???? ?? ????????? ???????? ????? ????????? ??? Sheet Metal Processing includes traditional methods and technical parameters such as cutting, punching, and bending forming. ??????, ??? ???????? ???? ???? ??? ??? ????? ?? ???????????? ????????? ????? ????????????? ????????. ??? ?? ???????? ??? ?? ????????? ???????? ?????? ????, ??? ????? ???? ????????? ????? ????, ??????? ?? ??? ???? ?????????. ??? ?? ??????????? ????????, ??? ?? ??? ???? ?????? ????? ???? ??? ?? ??????, ???? ???????????? ???? ????? ????????????? ?????? ??? ?? ??????. ??? ??????????? ???????? ????? ??? ????? ????????, ???? ???? ???? ???? ????????? ????? ????????????? ??????????? ????? ??? ?? ??????????? ???????? ??? ???????????? ??? ???

?? ??????? ???? ?????????????? ???????? ????? ??? ????? ??? 1.7 ???. Sheet metal factories generally use 1.7 times the thickness of the material as the bending reduction material. ?????????? ??? ???? ?????????? ??? ???? ???????????????? ????????????? ????????????? ??? ??? ???, ????? ??? ???? ??? ????? ??????. ?? ????????? ?????? ???, ??? ?? ???????? ??? ????????um ???? ???????? ??? ????? ??alculated ??? 1.6. ?? ???????? ???? stainless ???? ?????????? ??? ????????? 1.8 ???. ?? ????????? ????? ?????? ?? ??? ??? ?????????????? ???? ??? ????????? ???? ??? ??????termi? ??????????? ???? ??? ????????? ???? ??? ???? ??? ????????? ???????????????. ?? ????????? ???????????? ???: ?????????? ????=???? a+b-2 ??? ????? ????????+???????? ????????? ??????????? 1/3 Calculate the length of the short straight line and add the stretching coefficient ??? ?????? ??? ?????????? ??? ???? ??? ???? ???????? ??? ?????? ??????.

(???? ?? ???????? ???????? ??? ??????? ??? ??? ?????????. ???? ??? ????? ???? ??????, ???? ????????? ??? ?? ???????? ??.)