51吃瓜

???????? ?????? ??? ?? ???? ???nolog?? ???? ??? ??????????? ??? ??? ???? ??? CNC ????????? ??? ????? ????, ?????????????? ???????????? ?????? ??? ?????? ???????. ??? CNC ???????????? ?????????? ?????? ??? ?? ??? ??? ?????????????, ???? ???? ??? ?????????? ?????? ??? ??? ????? ??????????????: ?????????? ??????, ???????????????? ??????????, ????? ?????????????, ??????????????

?????????????? ??????? ??? ?? ????? ???????? ???????? ?????????? ??? ??????????????? ?????????? ??? ???? ??? ????? ????????? ???????????? ???? ??????????? ?? ??? ?????????? ????????, ??? ????????, ??? ????????, ??? ?????????????, ??? ?????????????, ????? ????? ??? ?????? ?????????????, ???? ???????????? ?????? ??????????, ?????????? ??? ?????????? ????????? ?????????????? ?? ???????????? ??????????? ??? minder ??? 40000 r/min ??? ?? ???????????? ???????????? ??? 15 kW. ????????????, ??? ???? ????????? ???????????????????? ??? ??????????? ??????????????? ?? ????????? ?????? ???????????????? ??? ?????????????? ???????. ???????????? ??????????? ???????, ???? ????? ??????? ?????? (Si3N4) ????????? ???????, liquid dinamikal ??? ??????? ???????????????, ??? ???????????? ????? ???????? ??????. Lubrication often uses techniques such as oil air lubrication and jet lubrication. ??? ???????? ?????? ??? ?????? ????????? ???? ????????? ?????????????????? ????? ???????????????? ??? ??? ????????

1. ?????? ???????????????????? ???? ????????? ???????????? ?????????????? ??????

??? ????????????? ????? ??? ??????????????????? ???? ?? ?????????? ????????????, ????? C ????? B??????? ????????????????????????????????. ??? ??????????????? ??? ????? ??? ??? традиционально ???????????? ?? "????? ??????? ?????? ????" ????????, ??? ???? ?????????? ??? Si3N4. ????????? ???????? ??????? (??????? ??? ??????? ??????????????); ?? ???????????????????? ??????? ???? ??????? ???????? (=? ????? ???????? (mm), ???????? (r/?????)) ??? ??????? ???? 1.2 ° C ??????? ??? ??????? ???? ??????? ????? ???, ?? ??? ????????? 0.5-1106. ??? ?????????????????????, ??? ?? ????????????????????? ??? ????????? ??? 0.2 μ ? ????? liquid hydrostatic bearings ??? ????????? ??? 0.05 μ ? ????? ??????????????? ????????; ????????? ?? ???????????????? ???????? ???? liquid hydrostatic bearings ??? ????????? 1106, ??? ?? ???????????????? ???????? ???? ???? ?????????? ??????? ??? ????????? 3106. ?? ???????????????????????? ????????????? ???? ???????????? ????????? ??? relatively ?????.

???????? ??? ???? ?????, ?? ????????? ??? ????????? ??????? ?????:

(1) ?? ??????? ???? ????????? ????? ??? 60%, ????? ??? ??????? ???????????? ???????????? ?????;

(2) ?? ????????? ?????? ??? ????????? ??? 50% ????? ??? ??? ??? ????, ????? ??? ???????? ????? ??????????;

(3) ???????? ???? ?? ??????? ????????????? ??? ????????, ????? ??? ????????????? ??????????????, ???????, ??? ???????????;

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

2. ??????? ??????? ?????????????? ??????

??? ??????????????? ????? ??? ????????????????? ??? ??? ???????????? ?????? ??? ??????????? ???????????? ???????. ??? ?????? ????? ??????? ???? ????? ???????? ??? ????? ??????? ??????????? ???????????? ???????, ??? ??? ??????? ????? ??? ?????? ??? ???????, ????? 10 ??? ?? ??????? ??? ?? ???? ??????? ??????. ?? ???????????????????? ??????? ???? ???????????? ???? ????????????????????? ??? ????????? 4106? ?? ????????????????? ?????????? ??????? ??? ??? ????????? ??? ???????????? ???? ??? ??????, ??? ???? ?? ????????????? ???? ??? ????????? ??????, ??? ??? ????????? 0.2 μ ?. ?? ???????? ???????? ??? ??????? ?????? ????? ????? relatively ????????????. ????? ??? ??? ?????? ???????????? ???? ??? ?? ???? ???? ????? ?? ???????????? ???? ??? ???????? ??????.