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Kev kho cua sov ntawm Idler Assy rau crawler taug qab undercarriage

Kev kho cua sov ntawm Idler Assy rau crawler taug qab undercarriage

Thaum lub idler assy txias, cov kab nrib pleb dawb yog feem ntau tsim rau saum npoo thiab nyias ntu.
Cov qauv ntawm lub qhov ncauj dawb yog tawv thiab nkig, nrog kev ua haujlwm tsis zoo thiab yooj yim rau tev tawm.
Yog li ntawd, annealing (los yog normalizing) yuav tsum tau siv los tshem tawm cov qhov ncauj dawb.Cov txheej txheem annealing yog: cua sov rau 550-950 ℃ rau 2-5 xuab moos, tom qab ntawd cua txias rau 500-550 ℃ thiab tom qab ntawd cua txias.Thaum lub sij hawm kub tuav lub sij hawm, lub high-temperature cementite thiab eutectic cementite decomposed rau hauv graphite thiab A, thiab lwm yam cementite thiab eutectoid cementite kuj decomposed thaum lub sij hawm tom ntej txias txheej txheem, uas ua rau ib tug graphitization txheej txheem.Vim lub decomposition ntawm cementite, hardness txo, yog li txhim kho machinability.

Normalizing ntawm cov hlau ductile
Lub hom phiaj ntawm ductile hlau normalizing yog kom tau pearlite matrix qauv, refine nplej thiab niaj hnub qauv, thiaj li los txhim kho cov neeg kho tshuab zog ntawm Dandong steel castings.Qee lub sij hawm normalizing kuj yog qhov kev npaj ntawm ductile hlau nto quenching ntawm tus qauv, normalizing yog muab faib ua kub normalizing thiab tsawg kub normalizing.Qhov kub siab normalizing kub feem ntau tsis tshaj 950 ~ 980 ℃, thiab qhov kub tsis tshua muaj qhov normalizing kub feem ntau rhuab mus rau tag nrho folding kub ntau ntawm 820 ~ 860 ℃.Tom qab normalizing, plaub tus neeg feem ntau yuav tsum tau ua nrog nws kom tshem tawm cov kev ntxhov siab sab hauv tsim thaum lub sijhawm normalizing.

nto hardening
Txhawm rau txhim kho qhov tawv tawv, hnav tsis kam thiab qaug zog lub zog ntawm qee qhov kev qhia log sib dhos, qhov quenching tuaj yeem siv.Ob qho tib si grey cam khwb cia hlau thiab ductile hlau castings tuaj yeem ua cov ntaub ntawv hardened.Feem ntau, siab (nruab nrab) zaus induction cua sov nto quenching thiab hluav taws xob tiv tauj nto quenching yog siv.

Lub thawv-hom qauv idler plhaub yog zoo li tus thiab nrum los ntawm alkali phenolic resin xuab zeb los yog dej iav xuab zeb txheej txheem.Tom qab lub matrix normalizing thiab rail nto nruab nrab zaus induction quenching tshav kub kho, lub hardness nto mus txog HRC48-58, thiab hardening qhov tob yog siab tshaj 4-6 hli (HRC45).Nws muaj qhov ruaj khov los tiv thaiv kev cuam tshuam siab thiab hnav tsis kam vim kev ua haujlwm hnyav.


Lub sij hawm xa tuaj: Plaub Hlis-23-2022