Cov khoom siv dab tsi yog lub log tsheb tom qab ua los ntawm?
Cov khoom siv ntawm cov log tsheb tom qab feem ntau yog cov hlau chromium uas muaj cov pa roj carbon ntau (xws li GCr15), uas muaj qhov nyuaj siab (58-65HRC) thiab tiv taus kev hnav zoo, thiab tsim nyog rau kev tsim cov log tsheb tom qab ib txwm muaj.
Kev xaiv cov khoom siv raws li cov xwm txheej ua haujlwm tshwj xeeb
Hauv qhov kub thiab txias lossis qhov chaw corrosive, cov ntaub ntawv tshwj xeeb hauv qab no yuav siv tau:
Youdaoplaceholder0 Cov xwm txheej ua haujlwm kub siab: Thaum qhov kub tshaj 180 ℃, yuav tsum siv cov hlau cobalt, cov hlau chromium lossis cov hlau molybdenum.
Youdaoplaceholder0 Ib puag ncig xeb: Siv cov hlau tsis xeb martensitic (tiv taus xeb thiab muaj qhov nyuaj siab) lossis cov hlau tsis xeb austenitic (nrog kev tiv taus xeb zoo dua).
Cov txheej txheem tsim khoom ib txwm muaj
Cov log tsheb qub feem ntau siv cov qauv sib xyaw ua ke ntawm ob kab tapered roller bearings lossis pob bearings. Lawv cov kev teeb tsa, roj, sealing thiab kev hloov kho qhov chaw tau ua tiav ntawm cov kab ntau lawm tsheb.
Lub nplhaib kaw ruaj khov zoo heev
Vim tias cov hub bearings nyob ze heev rau hauv av thiab cov khoom xws li cov discs nres uas muaj qhov kub siab, lawv yuav tsum tau hloov kho rau ntau yam kev nyuaj thiab kev tsav tsheb nyuaj. Yog li ntawd, lub nplhaib kaw ntawm cov kabmob yuav tsum muaj kev ua tau zoo heev rau kev tiv thaiv cov roj xau, thiab tib lub sijhawm, nws kuj yuav tsum muaj kev tiv thaiv cua sov zoo, av nkos thiab dej phwj tuaj.
Kev siv tshuab dov
Cov kabmob hub tiam thib peb feem ntau siv cov thev naus laus zis dov los xauv lub nplhaib sab hauv ib nrab. Thaum siv cov thev naus laus zis dov, lub nra hnyav axial ua rau cov yas deformation ntawm qhov kawg ntawm lub hub lub ntsiab ncej, yog li txuas lub hub lub ntsiab ncej thiab lub nplhaib sab hauv ib nrab ua ib qho. Piv nrog rau kev khi cov txiv ntoo ib txwm muaj, cov kabmob hub tiam thib peb uas siv cov thev naus laus zis dov pab txo qhov ntim thiab qhov hnyav, txo cov nqi, thiab txhim kho kev ntseeg siab ntawm lub hub bearing. Tib lub sijhawm, thaum sib sau ua ke rau hauv lub tsheb, cov kauj ruam ntawm kev kho qhov chaw ntawm cov khoom sab hauv raug tshem tawm.
Sib dua thiab me me
Thaum tsim cov qauv ntawm tiam thib ob thiab thib peb hub bearings, yuav tsum tau ua qhov kev tshuaj xyuas finite element kom ntseeg tau tias lub flange muaj kev ruaj khov txaus thaum txo nws qhov ntim thiab qhov hnyav ntau li ntau tau. Ntawm lawv, qhov kev ruaj khov ntawm tiam thib peb hub bearing hais txog lub kaum sab xis ntawm lub hub flange piv rau lub nplhaib sab nraud flange. Qhov hnyav ntawm lub qag raug txo los ntawm kev tsim qauv sib xyaw thiab me me. Lub hub bearing tiam thib ob yog 180g sib dua li thawj tiam, thiab lub hub bearing tiam thib peb txo qhov hnyav los ntawm 120g.
Kev sib txhuam qis torque
Ib qho tseem ceeb uas yuav tsum tau ua kom txo tau kev siv roj ntawm cov tsheb yog tsim cov hub bearings uas muaj kev sib txhuam tsawg. Cov yam tseem ceeb uas cuam tshuam rau kev sib txhuam ntawm cov bearings yog hom bearings thiab qhov preload. Kev kaw cov bearings suav nrog feem ntau ntawm cov khoom sib txhuam. Yog li ntawd, kev txhim kho kev tsim sealing kom txo qhov kev sib txhuam tuaj yeem txhim kho kev ua tau zoo ntawm cov hub bearings. Cov hub bearings tau hloov zuj zus los ntawm tiam thawj mus rau tiam plaub tshiab, nrog rau kev sib txhuam torque ntau thiab maj mam txo qis.
Cov thev naus laus zis ABS
ABS yog ib lub cuab yeej tswj kev nyab xeeb hauv tsheb uas muaj cov txiaj ntsig xws li tiv thaiv kev plam thiab tiv thaiv kev xauv. Thaum lub tsheb nres tam sim ntawd, nws yuav hloov kho lub zog nres los ntawm kev ntes qhov ceev ntawm lub log kom tiv thaiv lub log kom tsis txhob xauv thiab ua kom luv qhov deb ntawm kev nres. Kev ntes qhov ceev ntawm kev tig yog ua los ntawm cov khoom siv hlau nplaum uas tau teeb tsa rau ntawm cov khoom uas tig nrog lub log thiab nyob ze ntawm lub cev tsheb. Muaj ob hom chav hub nrog ABS sensors: ib qho muab tso rau hauv lub hub, thaum cov sensors raug teeb tsa rau lwm qhov; lwm hom muab tso rau hauv lub hub ua ke nrog lub sensor (hu ua chav hub nrog sensor).
Cov hub bearings lossis cov hub units uas hnav lossis puas lawm tuaj yeem ua rau koj lub tsheb puas tsuaj tsis tsim nyog thiab kim heev thaum tsav tsheb, thiab txawm tias ua rau koj muaj kev nyab xeeb. Thov ua tib zoo saib xyuas cov teeb meem hauv qab no thaum siv thiab txhim kho hub bearings:
Yuav kom muaj kev nyab xeeb thiab kev ntseeg siab rau qhov zoo tshaj plaws, nws raug pom zoo kom koj nquag tshuaj xyuas cov hub bearings tsis hais lub tsheb muaj hnub nyoog li cas - ua tib zoo saib xyuas cov cim ceeb toom thaum ntxov ntawm kev hnav bearing: suav nrog txhua lub suab nrov sib txhuam thaum tig lossis qeeb qeeb ntawm cov log sib xyaw ua ke thaum tig.
Rau cov tsheb uas tsav lub log tom qab, nws raug pom zoo kom lubricated cov hub bearings pem hauv ntej thaum lub tsheb tau mus ncig 38,000 kilometers. Thaum hloov lub kaw lus nres, xyuas cov bearings thiab hloov cov roj foob.
Yog koj hnov lub suab txawv txawv los ntawm thaj chaw ntawm lub hub bearing, qhov tseem ceeb tshaj plaws yog nrhiav qhov chaw uas muaj lub suab nrov. Muaj ntau qhov chaw txav mus los uas yuav ua rau muaj suab nrov, lossis tej zaum qee qhov chaw tig tau kov cov khoom uas tsis tig. Yog tias paub tseeb tias lub suab nrov yog los ntawm lub bearing, lub bearing yuav puas lawm thiab yuav tsum tau hloov.
Vim tias cov xwm txheej ua haujlwm uas ua rau cov bearings ntawm ob sab tsis ua haujlwm vim yog lub log pem hauv ntej zoo sib xws, nws raug pom zoo kom hloov lawv ua khub txawm tias tsuas yog ib qho bearing puas lawm.
Cov kabmob hub muaj kev rhiab heev, thiab txawm li cas los xij, yuav tsum siv cov txheej txheem raug thiab cov cuab yeej tsim nyog. Thaum lub sijhawm khaws cia, thauj mus los thiab teeb tsa, cov khoom ntawm cov kabmob yuav tsum tsis txhob puas tsuaj. Qee cov kabmob xav tau lub zog loj heev kom raug nias rau hauv, yog li xav tau cov cuab yeej tshwj xeeb. Nco ntsoov saib phau ntawv qhia txog kev tsim tsheb.
Thaum txhim kho cov bearings, lawv yuav tsum tau ua nyob rau hauv ib puag ncig huv si thiab huv si. Cov khoom me me nkag mus rau hauv cov bearings kuj tseem yuav ua rau lawv lub neej ua haujlwm luv luv. Nws yog ib qho tseem ceeb heev uas yuav tsum tswj hwm ib puag ncig huv si thaum hloov cov bearings. Nws tsis raug tso cai ntaus cov bearings nrog rauj. Ceev faj tsis txhob poob cov bearings rau hauv av (lossis tuav nws tsis raug hauv txoj kev zoo sib xws). Ua ntej kev teeb tsa, qhov xwm txheej ntawm lub qhov thiab cov bearings tsev kuj yuav tsum tau kuaj xyuas. Txawm tias qhov hnav me me tuaj yeem ua rau tsis haum, yog li ua rau cov bearings tsis ua haujlwm ua ntej lub sijhawm.
Rau cov hub bearing units, tsis txhob sim rhuav cov hub bearings lossis kho cov sealing rings ntawm cov hub units; txwv tsis pub, cov sealing rings yuav raug puas tsuaj, cia dej lossis hmoov av nkag mus. Txawm tias cov raceways ntawm lub sealing ring thiab lub nplhaib sab hauv kuj raug puas tsuaj, ua rau cov bearing tsis ua haujlwm mus tas li.
Muaj ib lub nplhaib sib nqus nyob hauv lub nplhaib sib khi ntawm cov kabmob uas muaj lub cuab yeej ABS. Lub nplhaib sib nqus no yuav tsum tsis txhob raug kev sib tsoo, kev cuam tshuam lossis kev sib cuag nrog lwm lub zog sib nqus. Ua ntej kev teeb tsa, tshem lawv tawm ntawm lub thawv ntim khoom thiab khaws cia kom deb ntawm cov zog sib nqus, xws li lub cev muaj zog hluav taws xob lossis cov cuab yeej hluav taws xob uas siv, thiab lwm yam. Thaum teeb tsa cov kabmob no, saib lub koob ceeb toom ABS ntawm lub dashboard los ntawm kev sim txoj kev kom kho qhov kev ua haujlwm ntawm cov kabmob.
Rau cov hub bearings uas muaj ABS magnetic thrust rings, txhawm rau txiav txim siab seb sab twg lub thrust ring tau teeb tsa, koj tuaj yeem coj ib yam khoom me me thiab sib dua los ze ntawm ntug ntawm lub bearing. Lub zog magnetic uas lub bearing tsim yuav rub nws. Thaum teeb tsa, taw sab uas muaj lub magnetic thrust ring rau hauv, tig ncaj qha mus rau cov khoom rhiab heev ntawm ABS. Kev teeb tsa tsis raug yuav ua rau lub braking system tsis ua haujlwm.
Ntau cov bearings raug kaw thiab tsis xav tau roj thoob plaws lawv lub neej ua haujlwm tag nrho. Lwm cov bearings tsis kaw, xws li ob kab tapered roller bearings, yuav tsum tau lubricated nrog roj thaum lub sijhawm teeb tsa. Vim muaj qhov sib txawv ntawm qhov sib txawv ntawm cov qhov hauv ntawm cov bearings, nws nyuaj rau txiav txim siab seb yuav ntxiv roj ntau npaum li cas. Qhov tseem ceeb tshaj plaws yog xyuas kom meej tias muaj roj hauv cov bearings. Yog tias muaj roj ntau dhau, thaum cov bearings tig, cov roj ntau dhau yuav tawm. Kev paub dav dav: Thaum lub sijhawm teeb tsa, tag nrho cov roj yuav tsum suav txog 50% ntawm qhov chaw tshem tawm ntawm cov bearing.
Thaum txhim kho cov txiv ntseej xauv, qhov loj ntawm lub zog sib txawv heev vim yog qhov sib txawv ntawm cov hom kabmob thiab cov tsev kabmob. Thov saib cov lus qhia cuam tshuam.
Yog tias koj xav paub ntau ntxiv, nyeem ntxiv rau lwm cov ntawv hauv lub xaib no!
Thov hu rau peb yog tias koj xav tau cov khoom zoo li no.
Zhuo Meng Shanghai Auto Co., Ltd. cog lus tias yuav muag MG&MAXUStxais tos cov khoom siv tsheb yuav.
