1:???е??? ???е????????????,???,??,????,???,????,?????????????,?????ж???????С,????????.?????????????????о???????????????,???:9CrSi,Cr12Mov,W6Mo5CrV2,W18Cr4V?? 2???????? ????????????????и??????????e?????????????,??ε??,???????????,???е????.???:9CrSi,Cr12MoV,W6Mo5CrV2,W18Cr4V??. ?:?????????嵶?:????????????????????????500—2200??/???? ?????????????嵶???????60—180??/??????????????????????????????????????ε????н?????????????????????????????????????????????2002??11??????г??????н?????????????? ????????????嵶??????????????????????????????180—450??/???? ?????????????????ж????????????????????????? ?壺???????????????????????y?????????????????н????????????????????????? ???????????????????????????????????????????ж??????????????е?????????????????? ?????????????????????????????????????????????????л????????????????????У???????????????????????????????????????????? 3??????? ??????????????????????:???????????,????,???????????,?????????,??????,????????,?????????????,?????,?????,???????????? ??????????,????????????????????±0.0005mm.??????????,?乫????H3.???и??????????鶼???????????е?. ??????????????????????????,?????????????????й???,?侫????????о?????????????????????.±0.001mm??????,??Rao.1u ?????????????????????.???????????????????????,??????????????,??ж?,????,???????????????????? 4?????? ??????????????????????????,??ú?????????????,?п?????,?????,?????????????????. ???:9CrSi,Cr12Mov,W6Mo5CrV2,W18Cr4V?? 5???????? ??????????????????????????,??ú?????????????,?п?????,?????,???????????????. ???:9CrSi,Cr12Mov,W6Mo5CrV2,W18Cr4V?? 6??????е??? ????е??????????????,????и?????????????????. ???:9CrSi,Cr12Mov,W6Mo5CrV2,W18Cr4V?? 7:???? ???????е?????????????棬???????????У???????????????????????е??????????????????????е??????????У????????????壬?к?壬???????????????飬????????????????μ??У??????С? ???????е?????????????棬?????????????????????е?????????????????????е????????У???????????????????β????????????? 8???й??? ??????????????????????????,???????(?????,???,????,????)?????????,?????????????????????,???????????????,??????ж?. ???:9CrSi,Cr12Mov,W6Mo5CrV2,W18Cr4V,?????? 9?????? ?????и??????????????????????????????????????????????????????????“??????”?????????г??????????????????????????????????????????????????????????????????????????????:T8A,T10A,GCR15,9CrSi,Cr12MoV,W6Mo5CrV2,W18Cr4V??. 10????? ??????????,??????????????????????????????,???:?????????,???????ж??,?????????,????,???????,????????й?,?????????,??????ж??,???????????,???д??????????????е???????.???:9CrSi,Cr12MoV,W6MO5Cr4V2,W18Cr4V,3Cr12,4Cr14?? |