Cov hlau siv rau hauv kev tsim cov slewing bearings feem ntau muab faib ua plaub hom: 50Mn, 42CrMo, 20CrMnTi, thiab GCr15SiMn. Txhawm rau txheeb xyuas qhov hnav tsis kam ntawm cov hniav slewing bearing, nws yog qhov tsim nyog los ua ke cov yam ntxwv ntawm cov khoom siv, cov txheej txheem kho cua sov, thiab cov xwm txheej ntawm daim ntawv thov. Cov hauv qab no yog cov ntsiab lus raws li cov ntaub ntawv cuam tshuam:

GCr15SiMn:Cov hlau uas muaj cov pa roj carbon chromium siab, muaj qhov tawv ntawm 60-64HRC, tiv taus kev hnav zoo heev, thiab tiv taus kev hnav zoo dua li GCr15 hlau, tsim nyog rau kev ua haujlwm hnyav. Cov pa roj carbon ntau (1.05%) thiab chromium (1.5%) tsim cov carbides tawv, nrog kev tiv taus kev hnav plaub npaug ntawm 20CrMnTi, tsim nyog rau kev ua haujlwm tiv taus kev hnav thiab kev qaug zog. Nws cov teb siv suav nrog kev siv tshuab engineering, cov ncej kis tsheb, thiab lwm yam.

20CrMnTi:Cov hlau no yog cov hlau uas muaj cov pa roj carbon tsawg, thiab nws qhov nyuaj ntawm qhov chaw feem ntau yuav raug kho los ntawm kev kho carburizing thiab quenching. Nws tuaj yeem tsim ib txheej carburizing uas muaj zog heev rau ntawm qhov chaw ntawm cov hniav, thiab tseem muaj qhov tawv thiab lub zog zoo hauv lub plawv. Tom qab kho, qhov nyuaj ntawm qhov chaw tuaj yeem ncav cuag 58-64HRC, thiab lub plawv tseem muaj qhov tawv thiab lub zog zoo, yog li nws muaj kev tiv thaiv kev hnav zoo, tshwj xeeb tshaj yog rau cov haujlwm hnyav, kev ua haujlwm ceev lossis kev cuam tshuam, xws li kev sib hloov bearings hauv metallurgy, mining machinery thiab lwm yam teb.

42CrMo:Vim yog cov hlau carbon nruab nrab, nws feem ntau tau txais cov khoom siv kho tshuab siab los ntawm kev kho quenching thiab tempering (quenching thiab high-tempering), nrog rau kev tiv thaiv hnav nruab nrab, tsim nyog rau cov xwm txheej nrog cov khoom thauj nruab nrab thiab tsis muaj kev cuam tshuam loj heev. Txawm li cas los xij, piv rau cov hlau carbon tsawg kho nrog carburizing, nws qhov kev tiv thaiv hnav nto yuav qis dua. Qhov ruaj khov tempering thiab lub zog qaug zog ntawm 42CrMo kuj zoo dua, nrog rau qhov nyuaj ntawm qhov chaw siab dua, tsim nyog rau cov chaw hnav siab. 42CrMo tsim nyog dua rau kev tsim khoomcov kabmob sib hloov,nrog lub zog zoo thiab lub zog tawv, uas tuaj yeem tiv taus cov khoom hnyav thiab kev cuam tshuam zoo dua, thiab tsim nyog rau kev ua haujlwm ntev ntawm cov tshuab siv hauv kev tsim kho. Cov ntaub ntawv no, tom qab quenching lossis tempering kho, tuaj yeem ua kom muaj kev ua haujlwm ruaj khov ntawm cov hniav thaum siv ntev, thiab feem ntau siv ua slewing bearings rau cov tshuab hnyav, cranes loj, thiab lwm yam khoom siv.

50Mn:Qhov no yog ib hom hlau carbon manganese uas feem ntau siv rau hauv cov ntawv thov uas xav tau kev tawv thiab kev cuam tshuam, tab sis nws qhov kev tiv thaiv hnav yog qhov nruab nrab thiab tuaj yeem ua tau raws li qhov xav tau ntawm lub zog thiab kev tiv thaiv hnav ntawm cov hniav slewing dav dav. Cov hlau manganese feem ntau raug kho cua sov (xws li quenching) kom nce nws qhov nyuaj, tab sis nws qhov nyuaj ntawm qhov chaw feem ntau qis dua li 20CrMnTi kho nrog carburizing, thiab nws yuav tsis ua haujlwm ruaj khov zoo li cov hlau alloy hauv qhov chaw hnav hnyav. Qhov nyuaj ntawm qhov chaw hniav tuaj yeem ncav cuag 50-60HRC, ua rau nws tsim nyog rau kev slewing bearings nyob rau hauv cov khoom thauj ib txwm muaj thiab cov xwm txheej ua haujlwm.

Kev ntsuas qhov tsis kam hnav: Zuag qhia tag nrho, GCr15SiMn muaj qhov tsis kam hnav zoo tshaj plaws, thaum 42CrMo thiab 20CrMnTi kuj muaj qhov tsis kam hnav zoo tom qab carburizing thiab quenching. Qhov tsis kam hnav nyob ntawm txheej carburizing thiab yooj yim hnav tom qab siv ntev; Qhov tsis kam hnav ntawm 50Mn tsis muaj zog heev. Thaum xaiv, yuav tsum xav txog cov xwm txheej ua haujlwm tshwj xeeb (xws li kev thauj khoom, qhov ceev, zaus cuam tshuam) thiab kev ua kom zoo ntawm cov txheej txheem kho cua sov. 

Rau cov khoom tseem ceeb xws li cov hniav slewing, yog tias ob qho tib si hnav tsis kam thiab cuam tshuam tsis kam yuav tsum tau xav txog, 42CrMo yog qhov tsim nyog dua, nrog lub zog sib npaug, tawv, thiab hnav tsis kam; Yog tias koj xav tau sib npaug siab tawv thiab cuam tshuam tsis kam, thiab nyob rau hauv cov xwm txheej ua haujlwm ib txwm muaj, 50Mn kuj yog qhov kev xaiv zoo.

Hauv kev siv ua haujlwm, kev xaiv cov khoom siv ntawm cov hniav slewing yuav tsum xav txog ntau yam xws li cov xwm txheej ua haujlwm ntawm cov khoom siv, qhov loj me, qhov ceev, qhov chaw ua haujlwm, thiab ua ke nrog cov thev naus laus zis kho cua sov kom ntseeg tau tias kev ua haujlwm ntawm cov hniav ua tau raws li cov qauv tsim.

Yog tias koj muaj lus nug txog cov khoom siv ntawm cov kabmob slewing, thov hu rauXuzhou Wanda Slewing Bearing Co., Ltd.