??????：??????, ???? ??? ???????? ?????? ????? ?????? ??? ???? ?????, ?????? ????? ???? ???????????????? ???????, ???? ??????? ??? ???????????, ????? ?????? ????? ???? ????? ?????? ???? ???? ???? ??.
??????, ???? ??? ???????? ?????? ????? ?????? ??? ???? ?????, ?????? ????? ???? ???????????????? ???????, ???? ??????? ??? ??????????? ???? ????? ?????? ???? ???? ???? ??.
??????? ????? ?????? ????? ???? 9 ??????? ???? ????? ??.
1, ??????? ????? ?????? ????????
????????? ???? ????, ???? ??? ????? ???, ???? ??????? ????? ???? ??? ??????? ?????? ?????? ??????? ???? ???????? ??? ??. ??????? ????? ?????? ?????? ???????? ??? ?? ?? ???????? ???? ??? ????? ?????? ????? ??????? ???, ???? ?? 4.75mm ????? ??? ???, ????? ????? ??? ????? ??? ????? ??????? ????? ?????? ??? ???.
2, ??????? ????? ?????? ??????????
??????, ??????? ???? ????????? ?????-?????? ???? ??, ???? ????????? ???????? 2.6 ?? 3.6 ????? ??, ?????? ???????? ????? ??? ???????? ??? ???? ????? ?? ??? ????? ??????? ?????? ?????? ????????? ??. 150 ???????? ????????? ?????? ?????? ????? ??, ?????? ????????? ?????? ??????????? ?? ??????? ??????, ?????? ????? ??? ??????? ??????? ??.
????, ?????? ????? ?????? ??????? ???? ????? ???? ???????? ??? ??????? ??? ????????? ?????? ????? ????? ??? ???????????? ?????, ?????? ????? ?????? ????? ?????? ??? ??????????? ???? ????? ??? ??? ??.
?? ??????? ???? ????????? ?????? ?????? ????????? ???? ???? ??? ???? ????????? ???????? ?? ????? ???, ???? ?? ??????? ?????? ?????? ???? ??? ?????????? ???????? ??? ?????? ???? ??. ??????? ?????? ??????? ???? ???? ?????? ?????? ???????? ???????? ?????? ????????? ??? ??.
???? ?????? ?????? ??????? ???? ??????? ???????? (Mx) ???? ??? ????????? ?????????? ??? ??: ????, ?????, ????? ??? ??? ?????:
???? ??????? ??????? ???????? 3.7-3.1 ??, ??? ?????? ????? ?? 0.5mm ????? ??? ??;
????? ?????? ????????? ??????: ?.?-?.?, ?????? ????? ?? ?.?????-?.??????,
?????? ????????? ?????? ?.?-?.? ??, ??? ?????? ????? ?? ?.??????-?.?????? ??;
???-??????? ?????? ????????? ??????: ?.?-?.?, ??? ?????? ????? ?? ?.?????? ????? ???? ??;
????????? ?????? ????? ???? ???, ???? ????? ???? ???; ????????? ?????? ????? ???? ???, ???? ????? ????? ???.
?, ?????? ????? ?????? ????? ??? ?????
?????: ???? ????? ?????? ????? ????? ???????? ?????????? ???? ???? ???????? ??????? ??: I, II, ??? III.
?????:
????? I ???? C60 ????? ??? ?????? ????????? ???????? ???? ????? ??;
????? II ???? C30-C60 ?????? ????????? ???????? ??? ???? ????????, ???????? ???? ???? ????????? ???? ????? ??;
????? III ???? C30 ????? ??? ?????? ????????? ???????? ??? ??????? ??????? ???? ????? ??.
4, ?????? ????? ?????? ?????????
?????? ????? ??????? ????? ?? 4.75-0.15mm ????? ??? ??, ??? 0.075mm ????? ???? ??????? ????? ???? ?????? ?????? ??????? ??? ??. ????? ????? ?? 4.75, 2.36, 1.18, 0.60, 0.30 ??? 0.15 ??. ????? ?? ??? ????? ????.
5. ?????? ????? ?????? ?????? ????????
?????? ????? ?????????? ???? ?????? ????? ??? ???? ?????????? ??? ??. ?? ?? ???? ??????? ???? ???, ?? ????? ??????? ???? ??? ??? ??; ?????? ?? ???????? ???? ????? ??? ??? ??, ?????? ????? ??????? ???? ??? ??; ?????? ???? ???????? ???? ????? ??? ??? ??, ?????? ???? ???? ??? ??. ?? ??????? ?? ?? ?????? ?????????? ?????? ????? ???? ??? ?????? ?????? ?? ???? ???? ??. ???? ???? ??????? ???? ? ???? ??????? ????? ??? ??, ?? ???????? ??? ????????? ????? ??? ????? ?? ????? ??? ??.
?, ???? ?????? ?????? ??????? ??????? ???? ?????? ???? ???
?????? ????? ?????? ???? ??????????? ??????? ???? ????????, ???????, ????? ?????, ???????????, ?????????, ????????, ???????, ????????, ??????????, ?????? ????? ??? ???? ?????? ?????? ??? ??. ?????? ????? ?????? ??? ????? ????????? ????? ??????? ??? ??, ????? ???-??? ?????? ??? ????? ??? ??.
7, ?????? ????? ?????? ????? ?????? ?????????
??????? ????? ?????? ???? ???????? ????? ????? ???? ?? ??? ???????? ???????? ??? ??. ????? ???? ? ?? ?? ?????? ?????? ?????? ??? ???? ??? ??, ?? ??? ????? ?????? ??????? ?????? ???? ??? ??. ?? ? ????, ?????? ?????? ??? ?????? ??? ??.
?????? ????? ?????? ? ???
?????? ??????? ?????? ????? ????? ??????????? ?????? ???? ???? ??: ?????? ??? ??? ?? ??? ?????????? ?? ?????? ???? ?????? ????? ??? ??; ?? ?????? ????? ???????? ???, ?? ?????? ???? ??? ??. ????? ??????? ??????? ????, ?????? ????-??????? ???????? ??? ??, ?????? ????? ?????????? ????? ???? ???.
?????? ??????????? ?????? ?????? ?????? ???? ???? ??????? ??? ??, ?????? ??????? ???? ???? ?????? ?????? ??? ??? ??, ??????? ???? ???? ??? ??, ??? ??? ????? ??? ?????????? ???????????, ????? ?????????? ????? ???? ??? ??, ?? ????????? ?????? ??????? ??? ??; ?? ??, ?? ??????????? ?????? ??????? ?????? ??????????? ?????? ?????? ??????? ???, ??????? ??????? ??????? ??????? ???????? ???? ????? ????? ??? ??????? ?????? ?????? ?????????? ???????? ?????, ???? ??????????? ???????? ????? ??? ???? ??.
??????? ???????? ?????? ???????? ??????? ?????? ???????? ?????? ?????? ????? ???? ???? ?????????? ???? ??? ??. ???????? ????? ???? ???? ???? ????? ??????? ?????? ????????? ?????? ?.?-?.? ??? ???????? ????? II ??? ??.
9, ?????? ????? ??????? ???????? ????
?????? ????? ????????? ???? ???????? ????? ???????? ????? ??, ??? ????? ???????? ???????? ?????? ??????? ????, ???????, ??????? ??????, ???? ????????, ?????? ???? ?????, ??????? ??????? ?????? ??? ??.
????
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