51吃瓜

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

1) ?? ?????????????????????? ???? ??? ?????????? ????? ?? ???????? ? ??? ± 0.05mm;

2) ?? ???????????????????????? ???? ??? ????? ?? ???? ?????? ??? ????? ??? referral plane B ??? 0,05mm;

3) ?? ??????? ?????? ???? ??? ????????? ?????????? ??? 0.01mm;

4) ?? ??????? ?????? ???? ??? ????????? ?????????? ??? 0.01mm;

5) ????????????? 190-207HBS;

6) ?????????? QT600-3

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

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

1) ?? ???????? ????? ??????? ?? ???-??????? ?????. ????? ?? ???????? ?????????? ??? ???-?????????? ????????, ??? ????? ????????????? ?? ????????????? ???? ?? ????? ???????? ?????? cutting and clamping forces, ????? ?????? ?? ???????????? ??? ?????????????? ??? ??? ???? Therefore, reasonable selection of clamping, tool angle, cutting amount, and cutting cooling lubrication are all key factors to ensure the machining of thin-walled parts;

2) ?? ????????? ??? ?? ????????? ??? ?????????? ????? ??? ?? ?????? ??? relatively ????, ??? ???? ??? ????? ?????? ????? ??? ?????? ???? ??????????.

3) ??? ??? ???? ???? ??? ???????????????, ??? ????? ??? ??? ??? ?????????????? ??? ?? ????????? ???????? ???? ??? ?????? ??????. The end of the cylinder liner with a diameter of 300 (+0.04/0) * 5mm plays a positioning and guiding role during pressing.

????????

1. ????? ?? ???????? ?? ????? ???????? ??? ??????????? ???????????? ??? ???????????? ???????? ?????? ??? ??? ?????????, ?????? ??????? ????? ??? ???????????????????;

2. ?? ?????? ??? ???????? ?????? ??? ??? ???????. ??????? ??????? ?????? ?????? ??? ?? ?????????, ??? ?????? ??? ?? ??? ???? ????.