Thaum ua cov piston pas nrig, yog 45 # steel siv.Raws li ib txwm muaj, nyob rau hauv cov nqe lus ntawm kev thauj khoom ntawm tus pas nrig piston tsis loj, uas yog, yuav siv los ua 45 # steel.Raws li 45 # steel feem ntau siv nyob rau hauv nruab nrab-carbon quenched structural steel, nyob rau hauv cov nqe lus ntawm no, nws yog vim hais tias nws tus kheej yuav muaj ib tug ntau zog thiab zoo machinability.
Nyob rau hauv 45 # steel ntau lawm ntawm piston pas nrig, tshwj xeeb tshaj yog tom qab nws tau raug kho cua sov kom zoo, nws yuav muaj tseeb dua uas yog kom tau txais ib co degree ntawm toughness, ductility thiab lwm yam hnav tsis kam, nyob rau hauv view ntawm qhov no, ntawm 45 #. Hlau, qhov tseeb, nws yog ib qho ntawm feem ntau siv cov khoom tseem ceeb thaum lub piston pas nrig hauv kev ua.
Tsis tas li ntawd, kev ua haujlwm ntawm piston pas nrig, yog tias siv 45 # steel, piston pas nrig thaum lub load kuj loj, uas yog, siv 40Cr steel rau kev tsim khoom.Raws li 40Cr steel yog nruab nrab-carbon quenched thiab tempered steel, nws tus kheej hardenability yog zoo dua, nws tsis tshua muaj kub cuam tshuam toughness.Tshwj xeeb tshaj yog thaum nws yog tom qab quenching, nws yuav muaj ib tug zoo tag nrho txhua yam khoom.
Nyob rau hauv txoj kev no, peb yuav tsum tau them sai sai rau qhov nws tuaj yeem lav tias tus pas nrig piston tuaj yeem muaj kev siv zog txaus.Raws li qhov no, kev siv 40Cr steel rau kev tsim cov piston pas nrig feem ntau yog cov ntaub ntawv uas nws yuav siv rau kev cuam tshuam loj lossis hnyav-load xa mus uas yuav tsum muaj cov khoom siv piston loj.
Thaum kawg, qhov tseeb, peb yuav tsum xyuam xim rau cov lus piav qhia saum toj no ntawm cov khoom siv, uas yog, thaum lub piston pas nrig ua cov khoom siv ntau dua.Txawm li cas los xij, ntxiv rau ob yam khoom uas tau hais los saum toj no rau kev ua cov piston pas nrig, kuj tseem yuav muaj GCR15 steel lossis SUS304, uas yog siv ncaj qha los ua cov khoom siv ntawm cov pas nrig piston.
Post lub sij hawm: Aug-19-2022