51吃瓜

????????? ????????? ??? ?? ??????????????? ???? ?????????? ????????? ??????????? ??? ????? ???? ?? ????? ?? ???????????? ?? ?????????? ????????????? ????? ????? ???????, ????? ?? ???????????? ????? ???? ????????? ?????????? ??? ????? ????, ???? ??? ?????????????????? ???????, ????? ??? ??????? ????????????? ???????????. ?????? ??? ???? ?????? ?????????????? ?????????? ???? ?? ??????? ??????? ????? ?????????? ????????? ????????.

1, ????? ????? ?? ????????????????? ???? stamping ????????

(1) ?? ????? ????????????????? ??? ??? ???? ?? ???????? ????????? ??? ??????????????? ??????? ???? ????? ????? ?? ??????????? ??? ??????? ????????????????????, ?? ??? ???????? ?? ???????????? ?????? ??? ????? ?????????? ?????? ??? ?????????? ???? ?? ????, ????? ?? ???????????? ?????????????? ??? ????????????? ????? ???.

(2) ???? ???????? ?????????, ????????? ?????????, ??? ??????????, ???? ??????????, ??? ??????? ????? ???????? ???? ?????????? ????????. ???????, ??? ????? ??? ??? ????????? ??? relatively 低.

(3) ????? ?? ?????????, ?????? ?????????????????, ????? ?? ????????? ????????????? ??? ?????????????, ???? ?????????????.

(4) ?? ????? ????????, ???? ??? ???? ??? ????????? ????????, ??? ??????, ??? ?? ????? ???????????? ??? ???? ???????????.

2, Basic requirements for stamping materials

?? ????????? ???? ???????? ????????? ????? ???? ????? meet ?? ??????? ????????? ???? ????????????зайн??, ????? ???? meet ?? ????????? ???? ????????? ???????? ??? ????????????

(1) ??????????????? ????? stamping ?????????????? ????????????: ????? ???????????? stamping?????????????? ??? ???????????? ?? ??????? ???? ?? ??????, ?? ?????????? ???? ????? ??? ????????, ??????? ???????????? ??????????? ????? ??? ?????? ????????, ??? ?? ??? ?????? ????? ??? ?????????? ?? ????? ??? ??????????. ??????????? ??? ????? ?????????? ?????? ?????? ??????? ??????.

(2) ????????? ????? ????????????? ????????? ??????????: ?? ????????? ?????????? ???? ??? ?????????? ???? ????????? ?? ????????? стандарты. Because a certain gap between molds is suitable for materials with a certain thickness, the thickness tolerance is too large, which not only directly affects the quality of the parts, but may also lead to damage to the molds and punch presses.

3, ???????? ???? ??????????????????? ????

????????? ???? ????? ?? ??????? ???? ??? ??? ?????????? ????????, ??? ????? ???? ??????? ???????? ??? ?????? ??????? ?????-?????? ???????? ????? ??leading ?? ?? ????????????? ????? ??? ??? ????????? ???? ??? ????? ??? ?? ????????? ??? ??? ???? ??????? ???? ?? ???????? ??? ????????? ???? ???????, ???? ?????? ???? ??? ???????? ??? ??? ?????????.

(1) ????????? ???? ???? ??? ? ???????? ???? ??? relatively ????? ?? ????? ??? ??????. ??? ??????????, ?? ?????? ?? ????? ??? ??????? ??? ??? ??????? ?????????, ?????? ??????????? ????????? ??? ????? ?????? ???? ??? ?????????? ??? ??????? ?????.

(2) ???? ?????? ?????????? ??? ????? ???????? ???? ??????, ??? ?????? ???? ?? ?????????? ??? ?? ??? ?? ??????????? ??? ??? ???????? ???. ????????? ??? ?????????????? ???????????, ?????? ??? ??? ????? ???????????, ??? ????????? ?????????? ?????????? ???? ??? ?? ???????????.

(3) ????????????? ?????????? ??? ??????????? ?????? ????????? ??? ?????-?????? ?????????, ????? ???? ???? ????????, ????????? ???? ????? ?????? ?? ??? ?????????? ??? ??????? ???? ???? ????????? ???? hlo???-?????? ?????????. ???? ??? ????????? ????? ??????-?????? ????????? ??? ??????????? ???? проблемы, ????

(4) ???????? ???? ??? ? ???????? ???? ??? ???? ?? ?????? ?????, ???? ??????? ?? ???? ??? ??????? ??? ??? ???? ????????? ?????????? ??? ???? ????????? ?????????. ??????????, ??? ???? ??????????? ???? ???? ????? ??????chlorine ??????????? ????????? ?? ?????? ???????? ??????? ????????????????????????? ???? ??? ???? ??? ????? ?????????

4,

(1) ????????? ??? ????? ???? ????? ??? ????? ???? ????? ???? ??? ?????????? ??? ??? ??????????, ???????, ??? ???? ???? ?? ???????, ??? ????? ?????????????? ?? ?????.

(2) ????????? ?? ?????????????? ???? ?? ??????. ?? ???????????????? ???? ????? ???? ??? ?????????? ??? ???? ??????? ????????? ?? ???? ???????????? ???????????????????, ????????? ??????????????, ???????????? ??? ???

(3) ????????? ??? ???????????????? ??? ????????????????. ????????? ?? ????????????, ???????????????? ????????, ???????????????, ????????? ??? ???????????????? ???? ??? ???? ??? ???? ????????.

5, Basic principles for developing part processing technology

(1) ?? ??????????????? ???? ?????orit????????? ??? ???? ??????? ????? ?? ???????? ???? ????? ??? ????????? ?? ????????????????????? ?? ???? ??????????????????? ??? ??? ???????????? ????? ?????? ??? ?????? ??????????????????????? ??? ?????? ?? ?????? ???????????????????????. ??? ???????????? ???? ??? ??????????? ??? ?????? ?? ?? ?????????????? ??? ?????? ?? ??????????????? ??? ???????????????????????? ???? ??? ???????????? ??????

(2) ????????? ??? ?????? ??????? ??? ?????. ????? ???????? ??? ???? ??????????? ????????????, ?????????? ????????? ???? ??? ?????? ???? ???? ????? ????????? ???? ??? ??????. ??? ??? ???????? ?? ????????????? ???? ??? ??????????? ???? ???? ?????????? ??????, ???????? ????, ??? ????????? ?????? ???? ????? ????? ?????????, ??? ??? ???? ????? ????? ????? ?? ??? ??сс ???????????, ??? ??? ????? ?????? ????? ????? ?????? ???? ??????? ????????????. ????? ??? ???? conducive to the rational use of high-precision machine tools.

(3) ??? ?????? ??? '????-????? ??????????'. ??? ???? ???? ??? ????? ???? ???????????, ????????????? ??? ????????????? ????????????????????? ????? ???? ????????????????? ??? ???? ?????????? ??? ??? ??? ??????.

?? ???????? ????? ?? ??????? ????? ????? stamping ????? ???????????????????????. ????????? ???????? ???? ?????, ??????????? ?? ??????????? ??? ??????????????? ??? ??? ????? ??? ????? ??? ?? ?????? ???? ?????????? ??????????? ??? ??????????????? ??? ????. ????? ??????????????? ????????? ????????? ??? ??????????? ????? ???? ?????? ??????? ??? ?????-?????? ???????????, ????? ??? ????????? ????????????????? ?????? ??? ????????? ?? ????????? ???? ??? ?? ????