51吃瓜

??? ??? CNC ???????????? ???? ?????, ??? ?? ?????????? ?? ???????????????? ???? ?????, ??????, ??????? ??? ???? ???? ??????????? ????????????? ???? ??????? ???? ??? ?'??? ????????????? ??? ??????????????? ????? ?????????? ??????????? ??? ??????? ?????????? ????????????? ???? ????? ??? ????? ??? ?? ????????? ??????????? ??? ????????????? ???? ??????? ????????????? ????? ?????. ????, ????? ???? ???????????????, ??? ?? необходимо ?? ????????

??????? ????? ??, ??? ??? ????? CNC ???????????????, ???? ?????? ??? ?? ????? ???????????? ??? ?????? ?? ????? ?????????. ?? ????, ?? ?? ????????? ?? ???? ???? ??????????? ???????????? ???? ?????????????????????? ??? ?? 計算? ?? ????? ????????, ??????? ???????? ??? ?????? ???????? ??? ??????? ????? ????????? ??????????? ?????? ?????? ????????? ???? ??? ??? ?????? ???? ??? ?????? ???? ??? ???? ???????? ?? ???? ??? ??????????? ??? ????????????? ??????? ????? ??? ??? ??? ??????? ??????, ??? ????? ??? ??? ???????? ????? ???? ?????????????

????? ?????? ???????????????, ??? ??? ???? ????? ????????, ????? ????? ???????, ?? ??? ??????? ?? ????????????? ????????? ?? ???? ??? ?? ??? ????? ???????????, ???? ?????? ??? ??? ??????????? ??? ??? ????????????? ??? ??? ??? ?????? ??? ??????? ??? ????? ?? ?????. ??? ???? ??????? ??? ??????? ?? relevant ????????? ?????? ????? ?????????? ????ngu??? ???????? ???? ??? CNC ??????.

?????

???? ??? ????????, ?? ??? ????? ????? ??? ??? thread cutter ???? ??? ????????? ?? ??????? ??? 4 ???, ??? ??? ???????? ????????????? ??? ?????????? ???????????. ????? ???????????? ?? ???? ????? ??? ???? ??????????????? ????? ?? ?????????? 3 ???, 5 ???, ??, ????? ???????? ?????? ???? ??? ??????? ????? ???? ????? ???? ??? ?? ????????? ???? ????? ??????????? ?????!

Basic parameters of threads

??? ????????? ?????????, ??? ??????????? ???????? d ??? ???? ????????? ????????????? ??? ???????. ????? ?????????? ?????????, d=d-0.1p; ?????? ???????? d2=d-2H=d-2X0.65 ?? ?????? ???????? n ???? ??? ?????? ????? ??? 1200, n1200/p-80, ??? 80 ??? ??? ??????????????????, ????? ??? ???? ?? ?????????????? ?????????. ?? ?????????? F ??? f=p ????? ??? ???????? ??? f=S ????? ???? ????????. ?? ????? ????? ?? ????? Basic, ???? ??? ???? ??????? ??? ???? ???????? ?? ???? ??????? ??? ?????????????? ????? ???? ???.

??? ?????????????, ??? ??? ????????????????? ????????????, ??? ?? ???? ?? ???????????????????? ????? ??? ????????????? ???? ????? ??????

???? ????????????? ?? ??????????? ???????????? ???? ????, n ????????????? ??? ???? ???? ????? ????????, ??? j ????????????? ??? ???? ???? ????? ???????? ???? ?? ??????????. ??? ?????? ????

?? ????, ????? ????????? ?????? ??? ?? ?????? ??? 1.5mm, ?? ??????? ????????????????? ???? 0.94mm ??? 6 ??????????? ????, ??? ??? ?????? ????? ???? ???

????????:

?? ????? ????: a2=0.94/51=0.42mm, ??? ?? ????????? ??? 0.42-0.23=0.19mm;

The third cutting: a3=0.94/52=0.59mm, with a feed rate of 0.59-0.42=0.17mm;

The fourth cutting: a4=0.94/53=0.73mm, with a feed rate of 0.73-0.59=0.14mm;

The fifth cutting: a5=0.94/54=0.84mm, with a feed rate of 0.84-0.73=0.11mm;

?? ?????? ????: a6=0.94/55=0.94mm, ??? ?? ?????????? ??? 0.94-0.84=0.10mm;

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