????? ?????

????? ?????? ?????? ?? ??? ?????? ??????, ?????? ???? ?????? ????? ?????? ?????. ?????? ????? ???????? ?? Q235B, ????? ???? ??????? ??? ???????, ??????? ???? ???? ???? ?????? ?? ??????? ????????? (???? ????? ????? ????? ????? ??????? ????? ????? ????????? ??? ?????). ?????.

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

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

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

????? ?????

????? ?????? ?????? ?? ??? ?????? ??????, ?????? ???? ?????? ????? ?????? ?????. ?????? ????? ???????? ?? Q235B, ????? ???? ??????? ??? ???????, ??????? ???? ???? ???? ?????? ?? ??????? ????????? (???? ????? ????? ????? ????? ??????? ????? ????? ????????? ??? ?????). ?????.

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

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

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

??? ???? ????? ?????? ??? ?? 38CrMoAl ??????? ?????. ????? ???? ??? ????? ?? ?????. ?? ?? ????? ????? (HRC56-HRC59), ?????? ???? ????? ?????? ???? ????? ?? ???? ???? ?? ?????? ????? ?????? ?????? ?? ??? ???????? ????? ???? ?????? ????? ????? ????? ??????? ???????, ?? ????? ?????? ????, ?????? ?? ???? ??? HRC1.6.

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

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

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

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

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

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

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

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

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

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

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

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

?????? ????? ??????? ?????? ?????? ???? 10 ?"?, ?????? ?????? ??????? ?????? ?????? ???? 4 ?"? ????? ????? ?????? ?????? ?????? ???????? ??????? ??????? ???????, ?????? ???????? ???? ?? ????? ????? ???? ???? ????? ?????? ?????.

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

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

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

?? ?????? ????? ??????, ?????? ??? NM500, ???? ??? ?????. ??? ????? ??????? Zigong CL35 ?? ZL10A, ???? ????? ????? ????. ????? ??????? ????? ????? ??????? ??????? ????? ???? ????? ?? ???? ?????? ???? ????.