51吃瓜

????????? ????????? ???? ??? ?????? ??? ?? ????????? ??? ??????? ???????технологи?, ?????? ????? ??? ??????????, aerospace, ?????????????, ????? ??? ?????? ????. ?? ?????????? ???????? ??? CNC ???? ???? ?????? ??? ????? ?????? ??? follows: 1. Basic coordinate system In CNC five axis machining, according to ISO regulations, is used a right-handed Cartesian coordinate system to describe the motion of the CNC machine tool. ?????? ??? ??? ?? ???ор????? ???? ???????????? ??? ??? ?????? ???? ????????? ?? ?? Z ????, ??? ?? ??????????? ???ор?????? ????? ?? X, Y ??? Z ????? ????? ??, B ??? C. ?? ?????????? ???? ???? ?????????? ???? (X, Y, Z, A, B, C) ??? ??? ?????????? ???? ?? ?????????? ???? ??? ?????????????? ????? ?????; ????? ??? ??????? ??? ????????? ???? ??? ?????????? ?????????????????? ??? ???? ??????????? ??????? ??? ?? ???????? ?????????????????? ????????? ???? ????? ???? ??????????? ??? X, Y, Z, A, B ??? C. ??? ??????? ???????, ???? ??? ?????? ??? ???? ?? ?????????????? ??? ???? ??????? ????? (X, Y, Z) ??? ???? ????? ???? ????? (?? ?? ??? ?? ?????). 3,2. ????? ????????? ??? ?????????: ??? ??????? ???? ?? CNC ???? ???? ?????? ????? ??? ???????????? ?? ????????? ???? ??? ?????. ???? ????????? ??? ???????????? ?? ????????????????, ??????? ? ???????? ?????? ????????? ??? ????????? ????? ???????????? ????????? ???? ??? ????? ???? ??? ????????? ???? ???????????? ?? X, Y ??? Z ?????. ??? ?' ??? ???????????? ??? ????????? ???? ??? ???????????? ??? ???????????????? ???????, ??? ?' ??? ???????????? ?? ????????? ???? ??? ???????????? ??? ??? ??????? ???????????? ??? X ????, ??? ??? Z ???? ???????????? ?? ??? ????????? ???? ????????????????? (????, ?? ??? ?? ?????) ????? ??? ????? ?? ????????? ???? ??????? ????, ??????? ??? ??????????? ?? ?????? ???? ?????????? ????? ?? ???? ???? ??? ?????????? ??? ??????????? ??? ???????????? ????? X ??? ??????????????????? (CNC) ?????? ???????????? ??? ?????????? ??? ???? ???????????? ??????? ????? ???????? ??????? ???? ?? ??????????? ?????? ???? ?? ??????????? ?????????????????, ??????? ?? ???? ?? ?????????????? ??? ???????????? ???????????? ????? ??? ????????????. 4, , ?? ?????? ?? ????????? ??? kwalite? ??? ?????????, CNC ???? ???? ???????????? ????? ????? ??????????? ??? ?????????????? ??????????? ?????? ???? ????? ??????????? ?? ????????? ??? ???? ???? ??? ????? ???????????? ??? ?????? ?????? ????????????? ?????????? ???? ??? ???? ??????.