51吃瓜

1. Impact of natural climate

???? ???? ?? ?????? ????????????, ??? ?? ???? ???? ???? ????? ??? ??? ?????????????? ?????. ??? ????????????? ???? ?????? ????? ???, ??? ??? ????????????? ?????? ??? ??? ? ???????, ?????? ????? ??????? ???? ??? ???? ??? ???????????? ??? ???????? (??? ???????????) ?????????????, ??? ?? ??????????? ???????? ????? ?????????????? ??????? ?? ????, ??? ????????? ??????????????????????? ??? ??? ?????????? ????? ????? ??? ???????? 45 °C, ??? ?? ????????? ??????????????????????? ??? ???????? 5-12 °C. ??? CNC ????????????? ???? ???????????? ???? ??????? ??? ??????? ??? ???? ?????????? ??? ???, ????? ??? ????? ??? ??? ?????? ???? ???? ????????????, ??? ?????????????????????? ??? ??? CNC ????????????? ?????? ????? ????-???? ?????, ??? ??? ??????????? ???????????????????? ????????? 60 °C, ??? ?? ????????? ????????? ??? ???????? 8-15 °C. ??? ??????????период ??? ??? ??????????? ??? ????? ????? ??? ??? ?????? ???, ??? ??? ???????? ??? ??? ???????нг ??????? ??? ??????? ????? ??? ????? ????-?????????. ?? ?????????????????????? ????? ???????? ??? ????????? ?????? ??? ???????? 50 °C. ????, ??? ??? ??????????????????? ??? ??? ???????????? ??? ??????? ????? ???????????. ?? ????????????????? ???? ???????? ???????????? ?????? ?????? ??? ???????????? ???????????? ???? ????? ?????? ????????? ???? ?????????? ??????????????? ??? ??

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

??? ??????? ?????? ??? CNC ???????????? ???? ?????? ??? ?? ??? ??rm??? ??????, ???? ??????????? ???? ?????????? ???????????? ??? ?? ????? ????? ???? ??? ????? ?? ????? ?? folgje??? ???? ????????.

(1) ????????? ??????????: ??? ?? ??????? ??? ???????????? ??? ??? ????????? (???????????? ??? ???????????????? ???????) ??? ?? ???? ??? ????? ?????????????? ????? ??? ??????????? ??? ??????????? ??????, ??? ?? температура ??? ??? ?????? ??? ??? ?????? ??????.

(2) ??????????? ????????????, ??? ???? ??????????, ???????????????????, ??? ????-?????? ????, ????? ???????? ????????? ??? ????? ????? ????????????????? ????????? ??? ??? CNC ??????????? ??? ???? ???? ??????? ??? ???? ??????? ??????? ??????????? ??? ??? ?????? ????? ??? ???????? ???? ??? ???????????? ???? ?????????? ????? ?????????

(3) ??? ??????????? ??? ? ???? ?????????????????? ???????, ???????? ????? ?????????? CNC ?????????????????? ?????. ??? fondation ???? ???? ????? ????????? ??? ??????????? ????????????????????????. ???? ?? ??ruptures ??? ????, ?? ??? ??????? ? ??????? ?????? ??? ???? ?? ????? '???????????', ???? ??? ?????? ????? ?????????????? ??? ??? ???????????????.

(4) konstant temperature: The use of constant temperature facilities in the workshop is very effective in maintaining the accuracy and machining precision of precision centering machine tools, but it consumes a lot of energy.

3. ????????? ?????????? ?????????? ?????????? ???? ????????????

(1) ??ructural heat source for heart centered CNC machine tools. ???????? ???????? ??? ???????? ????????, ????????? ????????, ???????? ??? ???????? ????????, ??? ???????? ??????????????? ??? ???? ????? ????? ????? ??????. ?? ?????????? ????? ???????? ????? ??? ??????? ???, ????? ??? ????? ?? ??????? ????????? ??????? ???? ????????????? ??? ??? ???????? ??? ????? ????, ??? ?????? ????? ??? ??????? ?? ???? ??? ?? ??????????? ????????? ??????? ??????? ??? ??????? ?? ?????????, ???? ????? ?? ????? ???? (???? 20%) ???? ????? ??????????? ??? ??????? ?????????? ???????, ???? ???? ??? ???? ????? ??????????? ??? ???????? ??????? ???? ??? ?????????? ?? ?????, ?? ??? ????????? ??? ?? ??????? ???? ??? ??? ???? ??????? ???? ?????????? ???? ????? ??????????? ??? ????????????? ????, ????? ??? ???????, ??????? ???, ???? ????????, ??? ??????????????? ????.

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

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

4. ??? ?????? ???? ??? ??????????????????? ???? ???????????? ???? ?? ?? ?????? ????????????

??? ??? ???? ??? ??rm????????????????? ???? CNC ????????????, ???? ????????? ?? ??????????? ???????? ???? ????????????? CNC ?????????????????? ?????????, ???? ??????????, ????? ??? ??ructural???????? ???? ??? ?????? ????? ??? ????????????????? ?????????????, ???? ??????? ??????????????, ???? ??? ????????????????????

(1) ?? ??????????????????? ???? CNC ????????????? ????????????? ????? ??? ?????? ????????, ??????????? ???? ?????????????, ????????????????, ??????? ??? ?????????????????, ???? ????? значительные ?????????? ??? ?????????? ?????? ?? ????, ??? температур??????? ???? ??? ???????????? ???? ?? ???? ??? ?????????? ?????????????? ??? ????????? ?????? ?? 35 °C, ??? ?? ?????????? ?? ???? ??????, ??? ?? ??????? ??iva?????? ??? ?????????? ????????? ????????? ????????? ??? ?????? ????????????? ???? ?? ???????? ?????? ??? ???????????? ?? ???? ??? ??? ??????? ?????? ??? ?????? significantly ????????, ??? ??? ???????? ????? ?????? ???? ?? ?????? ???????. ??? ?????????????????? ???? ??? ??????? ??????????????, ??? ??? ???????????????????????????????? ??? ??

(2) The impact of heat source distribution. ??? ??????????????, ??? ?? ????????? ?????? ??? ??? ?????? ???? ?????? ??? ??? ????????? ???????. ??? ???????????????, ??????????? ???????? ??? ??????????? ??????, ??? ????? ?????????? ????????????. ?? ????????? ??? ??? ?????????? ??????? ??? ????? ?? ??????? ???? ??????? ???? ??? ????????? ???????????? ???? ??????????? ???????????, ??? ?? ????????? ???? ??? ?? ??????? ????? ??????? ???? ?? ???????????? ?????? ??? ?????????? ???? ?? ???????? ??????? ??? ????? ?????? ?? ??????????? ?????????, ??? ?? ???????, ????, ???????????, ??? ??????? ??? ????? ?????? ????? ?????????. ?????????????????????? ??? ??? результат ???? ??? ???????????? ?????? ???? ???? ?? ??????????

???????????????? ??? ??????????? ???? ?? 5-??? CNC ???? ?????? ???? ?-??? ???????????????? ??? ?? ????? ??? ??? ??? ?' ???????, ??? ??? ?????????????? ???? ???????, ????? ?? ???? ?? ???? ??????? ??? ??? ?' ????????????????????? ??? ??? X ??????? ??? ??? ????, ??? ??? ??? ?' ??? ????? ??? ????? ?? ?????

?? ????????? ???? ??? ?????? ???? ??????? ??? Z????? ????? ???????????? ??? ?????? ???? ???????? ???????????????? ??? ??rm???????????????. ??? Z ??????????????????? ??? ?????? ?????? ???? ??? X ????, ????? ??? ???????? ???? ???????? ?????????????? ??? ?????. ??? ??????? ??? Z ??????????????????????????? ??? ?? ??? ????, ??? ??????? ????

(3) The impact of quality distribution. ??? ?????? ???? kwalite????????? ??? ??? ??rm????????????????? ???? ???????????? ??? ???? ????????. ????????, ?? ?????? ??? ?? ??? ???? ??? ????????????? ???? ????, ??????? ?????? ??? ?? ?????? ?? ????????????????? ??? ?? ??????????????????tas?????????, ??? ?? ?????? ?? ????? ?? ???????? ???? Secondly, by changing the arrangement of quality, such as the arrangement of various reinforcing plates, the thermal stiffness of the structure can be improved to reduce the influence of thermal deformation or maintain relatively small deformation under the same temperature rise; Thirdly, it refers to reducing the temperature rise of machine tools components by changing the form of quality arrangement, such as arranging heat dissipation ribs outside the structure.

(4) ?? ?????? ??? ????????? ???????????: ????????? ????????? ????? ??????? ??rm??? ???????????????? (???????? ????, ??rm??? ????????????, ??? ?????????? ??? ?????? ???????????), ??? ?????? ??? ???????? ????,