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

?????? ??? ???? ????? ???????????? ?????? ????????? ???? ??? ???, ????? ?????? ???? ???????? ??? ?????. ??????? ???????? ???????? ????? Q235B, ???? ???????? ????-???? ??? ?? ???? ????, ???? ???????? ???? ?? ????? ?? ????? ?????? ???? ?????? ?? ?????????? ??? ?? ?????? (????????? ???????? ???? ???? ?? ????? ???? ???????? ???????? ??? ?? ???? ??????); ?????.

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

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

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

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

?????? ??? ???? ????? ???????????? ?????? ????????? ???? ??? ???, ????? ?????? ???? ???????? ??? ?????. ??????? ???????? ???????? ????? Q235B, ???? ???????? ????-???? ??? ?? ???? ????, ???? ???????? ???? ?? ????? ?? ????? ?????? ???? ?????? ?? ?????????? ??? ?? ?????? (????????? ???????? ???? ???? ?? ????? ???? ???????? ???????? ??? ?? ???? ??????); ?????.

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

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

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

?? H13 ???? ????? ??? ?????? ?? 38CrMoAl ?? ??????? ???????? ????? ???? ?? ?????????? ?????? ???????? ??? ?? ?? ????????? ??? ?? ??? ?????? ???? ????????? ??? ??????????, ???????? ??????????? ??????? ???? ???????????? ????????????? ?????? ????.

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

??????? ?????? ??????????: CNC ???????? ?????????? ?????? ????? ????????? ?? ???????? ????? ????? ???? ???????????? ?????? ???? ?????.

?????? ???????????: ??????????? ????? (CNC) ???-???? ??????? ????? ?????? ?????? ??? ??? ?? ??? ???? ??????? ???, ??? ?????? ?????? ????? 1.6 ? ???? Ra ????? ??? ??. ????? ??? ???? ???????? ????????, ??? ???? ???????????? ?? ??? ???? ???????? ???? ??.

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

40Cr ?? 42CrMo ????? ???????? ??? ?????? ??????, ???????? ?????? ???? ???? ????????????, ??????, ????? ?????? ?????, ????????????????, ??? ??????? ?? ????????? ?????, ????????? ??? ?????? ????? ?? ?????????? ?????? ???????? ????? ?? HRC58- HRC62, ?????? ??? ????? ?? ???? ??????? ???? ?????? ????????.

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

???-???????? ???????????? ?????? ??????? ?????? ????? ???? ?????? ????????? ??? ???????? ??????????? ?????????? ????? ???? ?????? ????????? ?? ???? ???? ??????????? ??????????? ?????? ?? ????? ????.

40Cr ???? ?????? ??????, ?????????? ???????? ??? ???? ??? ???????, ???? ??? ????????????, ????????? ?? ??? ??????? ????? HRC30-35, ???? ????? ????? ?? ????? ????? ?? ??????? ????? ?????????? ???????????? ????? ?????, ???? ??? ?????? ?? ?????? ??????????? ???.

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

????? ????????? Wuhan Iron and Steel Co. Ltd. ?? Panzhihua Iron and Steel Co. Ltd ?????? ???? ???????? ????-???? ??? ?? ???? ???? ????? ???? ?? ???? ?????????? ??? ??????? ?????, ??? ??????? ???????? ?? ???? ?????? ?????????? ?????? ?????????? ??????? 2.0 ???? 30%-40% ?? ?? ??? ?????? ??????? 40%-48% ?? ???????????? ????? ????? ???? ??????? ?? ??.

???? ???????? ?????????? ?????? ?????, ????? ???????, ?????? ??????? ??????? ??? ???????? ?? ??, ??? ?????? HRC60 ???????, ????? ????????? ?????? ???? ??? ???? ?????? ?? ??, ???? ???? ???????? ????????????? ??? 3-5 ???????? ???? ?; ???????? ??????? ??????? ?????? ????, ???????? ???? ??????????? ?? ???? ???, ?????????? ????????? ?????? HRC58-HRC62 ??? ??? ?? ????? ????????? ????? ??????? ????? ????? ???? ???????? ???????? ?????; ???? ??????????, ?????? ????? ??? ??? ???? ??????? ????????? ?????? ≤ HRC32 ??; ?????? ???? ??????-?? ??? ???? ????, ?? ??? ??? ????? (??? ?????????) ???????? ?? ???? 5g ??? ???? ??? ????? ?? ???, ???? ?????? ????????????? ????? ????. ????? ?????.

???????? ????? ??????? ????: ZL201220705818.X

?? ?? ?? ???? ????? ????????? 10 ???? ???? ????? ???? ??? ??? ???????? ??? ?? ????? 4mm ???? ???? ????? ???? ??? ??? ??? ????? ?????? ?? ??????? ???? ?????? ???? ???????? ?? ?? ???????? ?? ??? ???? ???????? ???? ???????? ?? ???.

???????? ????? ??????? ????: ZL201720537626.5

?? 45# ???? ????? ???????? ??? ???? ?? ??? ???, ??????? ?????? ???? ??? ??????? ?????? ????? ???? ???? ????? ?? ??????? ??????? ?????? ??? ??? ?????? ??? ?????? ?????? ?????????? ?????? ????, ?? ???????? ????? ?? ????? ????? ???? ???? ?????? ???????? ?? ?? ???????? ?????? ?? ????? ?????? ??????? ???????. (???? ?????, ??? ??? ≤5g)

???????? ????? ??????? ????: ZL201520100843.9

???????? ???????? ????? ??? ??? ???, ????????? ?????? ?? ??? ????? ??? ?? ??? ?? ????? ?????? ???????? ?????? ??? Zigong ?????? ???? ?????? ????, ???? ????? ???? ???? ?????? ???? ?????? ???? ???? ???? ??? ???? ??????? ????? ????????.