zvinhu 40cr

40Cr ndiyo GB yakajairwa nhamba yesimbi muChina, uye 40Cr simbi imwe yesimbi inonyanya kushandiswa muindasitiri yekugadzira michina.Ine yakanaka yakazara michini michanicha, yakanaka yakaderera tembiricha inokanganisa kusimba uye yakaderera notch senitivity.Simbi yakanaka kuoma, kana mvura yadzima. kuomesa ku Ф 28 ~ 60 mm, apo mafuta anodzima kuomesa ku Ф 15 ~ 40 mm. Iyo simbi inokodzerawo cyanidation uye high frequency quenching.Kana kuoma kuri 174 ~ 229HB, iyo machinability inoenderana ne60%. kugadzira zviumbwa zvepurasitiki zvepakati nepakati.

Medium carbon tempered steel, inotonhora heading die steel.Simbi ndeyemutengo wakadzikama, iri nyore kugadzirisa uye inogona kuwana kumwe kuoma, plasticity uye abrasion resistance mushure mekunyatsopisa kupisa.Normalizing inogona kuvandudza kushanda kwekucheka kwechinhu chisina chinhu kuburikidza nekusimudzira microstructure refinement uye kuswedera kune equilibrium state.Inopisa pa 550 ~ 570 ℃, simbi ine yakanakisa comprehensive mechanical properties.Kuoma kwesimbi kwakakwirira kudarika 45 simbi, inokodzera kudzima kwepamusoro-soro, kudzima moto uye kumwe kuoma kwepamusoro kurapwa.

Shaft zvikamu chimwe chezvaanowanzo sangana nazvo mumichina.Inonyanya kushandiswa kutsigira zvinhu zvinotapurirana, kutamisa torque uye mutoro.Shaft zvikamu zvinotenderera zvikamu zvemuviri, kureba kwacho kwakakura kudarika dhayamita, kazhinji inoumbwa neconcentric shaft cylindrical. pamusoro, conical pamusoro, mukati gomba uye shinda uye inoenderana magumo pamusoro.Zvinoenderana akasiyana chimiro chechimiro, shaft zvikamu zvinogona kukamurwa kuva optical shaft, nhanho shaft, hollow shaft uye crankshaft.

https://www.china-bolt-pin.com/factory-bolts-for-1d-46378h-5772-hex-bolt.html

40Cr chinhu chakajairika chezvikamu zveshaft. Iyo yakachipa uye inogona kuwana zvirinani kucheka mashandiro mushure mekudzima uye kudziya (kana normalizing), uye inogona kuwana yakakwirira yakazara yakazara mechanicha zvinhu zvakaita sesimba uye kuoma. Mushure mekudzima, kuoma kwepamusoro kunogona kusvika 45 ~ 52HRC.

40Cr inoshandiswa zvakanyanya mukugadzira michina. Rudzi urwu rwesimbi rune maitiro akanaka emagetsi.Iyi isimbi yepakati kabhoni alloy simbi ine yakanaka quenching performance, 40Cr inogona kuomeswa kusvika kuHRC45 ~ 52. Naizvozvo, kana kuomarara kwepamusoro kuchida kuvandudzwa uye iyo yepamusoro michina ye40Cr inotarisirwa kuiswa mukutamba, iyo yepamusoro-frequency quenching kurapwa inowanzoitwa mushure mekugadziriswa kwe40Cr, nekuoma kusvika ku55-58hrc, kuitira kuti uwane iyo inodiwa yakakwirira yepamusoro kuoma uye kuchengetedza kunaka kuoma kwemoyo.