????? (????? ???? ?????) ????? ?????? ?????? ???? ?????, ??????? ??: ????? ?? ????????, ????? ?? ?????, ????? ?? ??????????, ?????? ???? ??? '????? ???: ???? ?????, ?????, ????, ??????? ???'. ?????, ???? 15 ???? ????! ????? ???? diecasting ????? ????? ?????, electroplating ?? ???? ?????, ????? ????? ?????? ???, ?????? ?????????, ????????? ????. ????? ?????? ?????!

??? ?????? ?? ????? ????? ??????? ?????? ?? ??????

?????? ???? ?????? ???? ????? ??????? ????? ????? ????????, ????? ?????? ???? ?????? ??????????, ?????? ???? ??????, ?????? ??????? ??????? ??????? ?????. ?? ???????, ????? ??? ?????? ?????? ???? ??? ????, ???? ????, ?????, ??????? , ???? ??????, ?????? ????? ??? '.

?I. ???:

?????? ???????? ??????? ?? ????? ?????.

1. ???: ???? ?????? s - ???? ???????? ?? ????? ??????. ??????? ?? Mpa.

2. ???? ????? b - ???? ???????? ????? ???? ?? ???? ??????. ??????? ?? Mpa.

3. ???? ?????? ??????: ????? ?????? ?????? ????? ?????? ?????? ??????.

????. ?????????:

?????? ?? ???? ????? ???? ????? ???? ????? ?? ??????? ??? ???? ?????.

1. ???: ????? brinell HB; ????? Rockwell HR.

2. ???? ????? ?????: ????? brinell ????? ????? ?????? ???? ???? ????, ???? ???? ?? ??????, ????? ???? ???????, ???????? ????????. HBS ????? ??????? ???? ??? ????? ???? ? -450, ?- HBW ????? ?????? ???? ??? ????? ???? ?- 650.

???? ?????? ?? ?????? ???? ????? ????? ???? ???? ?????. HRA ???? ????? ?????? ????? ??? ????? ?????? ?? ??? ????. HRB ???? ????? ?????? ???? ?????, ???? ??????, ?????? ????? ??? '.HRC ???? ????? ?????? ???? ???? ??????.

?III. ???????????

?????? ?? ???? ????? ???? ????? ???????? ?????? ????? ??? ???.

1. ???: ??????? ???? ????? - ???????? ?????? ?? ????? ???????? ???? ????? ??????.

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

3. ???? ?????? ??????: ????? ?????? ?????? ???? ????? ????? ????.

?Iv. ?????? ?????

??? ???? ?? ???? ????? ???? ??? ??? ??????? ??????? ?????? ??????.

1. ???: ???? ?????? -1

2, ???? ?????? ??????: ????? ????? ????? ??????? ????? 10 ?? ???? ??????, ????? ???? ?? ?????? ???? ?????? ???? ????? ???? ????? 10 ?? ???? ??????.

?V. ?????? ?????:

?????? ?? ???? ????? ???? ????? ?????? ????? ??? ???.

1. ???: ????? ????? ?????? Ak; ?????? ????? ak.

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

??????, ????? ???? ???? ???????? ????? ?? ?????, ????, ?????????, ?????? ???, ???????, ??????? ?????? ??? ?????, ??????? ?????, ????? ????, ?????, ?????, ?????, ????? ?????, ???, ?????? ????, ????? ???????? ????? ????? ?????? ???? ?? ?????? ???????? ?? ?????, ????? ???? ???? ?????? ??.

???? ?? ????:????? ?? ??????? ??? ?????? ~

?

?