vim li cas ho xaiv casting crankshaft tab sis tsis forging

Thaum nws los txog rau zus tau tej covcrankshaftsrau cov tshuab ua haujlwm siab, ntau tus neeg xav tsis thoob tias cov txheej txheem tsim khoom zoo tshaj plaws rau txoj haujlwm yog dab tsi. Muaj ob txoj kev xaiv tseem ceeb: forging thiab casting. Txawm hais tias qee tus neeg nyiam tsav tsheb tuaj yeem sib cav tias forging yog qhov kev xaiv zoo tshaj plaws, casting kuj muaj nws qhov zoo thiab feem ntau yog qhov kev xaiv zoo dua thiab siv tau zoo. Hauv tsab xov xwm no, peb yuav tshawb xyuas vim li cas casting crankshafts yog qhov kev xaiv nrov ntawm cov neeg tsim khoom, suav nrogBMW, Land Rover, thiabMercedes-Benz.

Ua ntej, nws yog ib qho tseem ceeb kom nkag siab qhov sib txawv ntawm forging thiab casting. Forging cuam tshuam nrog kev siv lub siab rau hlau kom txog rau thaum nws siv cov duab uas xav tau, thaum casting koom nrog cov hlau molten rau hauv pwm thiab cia nws harden. Forging yog feem ntau nyiam rau qhov chaw muaj kev ntxhov siab, xws li txuas cov pas nrig, vim tias nws tuaj yeem tsim cov khoom ntom ntom, muaj zog dua. Txawm li cas los xij, casting yog tsim nyog rau qhov loj thiab ntau qhov nyuaj, xws li crankshafts.

Ib qho ntawm cov txiaj ntsig tseem ceeb ntawm casting yog nws cov nqi qis dua. Cam khwb cia Cheebtsam tuaj yeem tsim nyob rau hauv cov ntim siab sai thiab ua tau zoo, ua rau nws yog qhov kev xaiv nyiaj txiag rau cov neeg tsim khoom. Nws kuj tso cai rau kev hloov pauv ntau dua hauv kev tsim, vim cov duab nyuaj tuaj yeem tsim tau yooj yim. Qhov no ua rau nws muaj peev xwm los kho cov crankshaft rau ib qho kev xav tau ntawm lub cav, ua rau muaj kev ua tau zoo dua.

Lwm qhov txiaj ntsig ntawm casting yog tias nws muaj qhov zoo sib xws ntawm qhov chaw. Thaum forging qhov chaw, cov hlau tuaj yeem ua rau muaj qhov tsis sib xws lossis qhov tsis xws luag uas tuaj yeem cuam tshuam qhov kev ncaj ncees ntawm cov qauv. Casting tshem tawm qhov teeb meem no, vim hais tias txhua feem yog tsim ib yam, kom ntseeg tau tias zoo ib yam thiab kev ua tau zoo.

BMW, Land Rover, thiab Mercedes tsuas yog qee qhov piv txwv ntawm cov neeg tsim tsheb uas tau xaiv los siv casting rau lawv cov crankshaft ntau lawm. Lawv nkag siab tias casting muab cov kev daws teeb meem zoo uas tsis cuam tshuam rau qhov zoo lossis kev ua haujlwm.

Hauv kev xaus, thaum forging yuav muaj nws cov txiaj ntsig, casting tseem yog qhov kev xaiv nrov rau crankshafts vim nws cov nqi-zoo, yooj yim hauv kev tsim, thiab zoo ib yam. Automakers xws li BMW, Land Rover, thiab Mercedes tau lees paub cov txiaj ntsig zoo no thiab siv casting los tsim cov crankshafts zoo uas ua tau raws li lawv cov kev xav tau ntawm lub cav.