Vim li cas thiaj ua lub sijhawm pulley ua suab nrov?
Hav! Raws li tus thawj saib xyuas kev tswj hwm ntawm lub khw pib kho, Kuv tuav cov lus nug txhua hnub los ntawm cov tswv tsheb txogTimeing pulleySuab nrov: "Kuv tus pulley squeaks thaum pib lub cav - Nws puas yuav poob?" "Kuv nyuam qhuav hloov lub sijhawm pulley, tab sis nws pib humming tom qab tsuas yog 200 kilometers- dab tsi tsis ncaj ncees lawm?" Lub sijhawm PULLEY yog tus mob "kev sib kis tau kis" ntawm lub cav lub sijhawm valve. Nws lub suab nrov tsis yog cuam tshuam rau kev tsav tsheb tab sis kuj tseem tuaj yeem ua tsis tau zoo li qub nrog kev ua kom zoo li qub tau them kaum ob zaug los kho; Lwm tus ua tsis ncaj rau qhov ua rau, hloov lub pulley tsis daws qhov teeb meem thiab kev nkim nyiaj. Niaj hnub no, ua raws li cov txheej txheem tswv yim los ntawm "suab nrov kuaj pom kev daws teeb meem" thiab siv cov qauv "Kuv yuav coj koj kauj ruam ntawm 8 qhov loj ntawm lub sijhawm nrov. Qhov no yuav pab koj taw tes qhov chaw raug thiab zam kev tsis tsim nyog kho cov kev kho.
Kauj ruam 1: 7-kauj ruam dhau ntawmTimeing pulleySuab nrov ua rau
Txhais tau tias "suab nrov scenarios thiab cov cai tseem ceeb" {{{{}} thawj zaug nkag siab "thaum nws tshwm sim" kom txo peev xwm daws teeb meem.
Txhawm rau pinpoint lub sij hawm pulley lub suab nrov ua rau, thawj saib xyuas thaum lub suab nrov zoo li. Cov xwm txheej sib txawv qhia txog kev ua txhaum sib txawv, zam kev dig muag disassembly:
Cov xwm txheej 1: nrov nrov tshwm sim thaum pib txias, ploj tom qab lub cav sov sov
Qhov no yog cov xwm txheej feem ntau, feem ntau tshwm sim los ntawm "txias - Lub Xeev sib raug zoo" ntawm cov pulley thiab siv. Thaum txias, txoj siv tawv tawv (tshwj xeeb tshaj yog siv roj hmab), ua rau muaj kev sib cuag tsis zoo nrog lub zulley groove. Qhov ua rau slippage thiab ua rau "squeaking" suab nrov thaum lub sijhawm ua haujlwm. Tom qab ua kom sov, txoj siv sia siv muag, txhim kho kev sib cuag, thiab lub suab nrov ploj.
Xwm Txheej Taug Kev 2: Suab nrov thaum lub sijhawm nrawm, tsis tuaj kawm ntawv ntawm lub nrawm
Nce cav load thaum lub sijhawm nrawm dua kev ntxhov siab ntau dua ntawmTimeing pulleyCov. Yog tias lub pulley yog tawm ntawm sync nrog lwm cov pulleys tsav, nws tuaj yeem tsim cov suab "cuam tshuam" lossis "suab nrov."
Cov Xwm Txheej 3: suab nrov txuas ntxiv ntawm kev kaw, ua kom muaj zog nrog ntau dua RPM
Qhov no feem ntau qhia cov teeb meem nrog lub pulley nws tus kheej lossis nws cov installation - Xws li pulley eccentricity lossis cov kabmob puas. Suab nrov yog me me ntawm idle tab sis ua kom muaj zog nrog nce rpm vim qhov kev co kom zoo.
Cov tswv yim uas yuav tsum tau sib txawv: Puas yog "suab nrov ib ntus" lossis "suab tsis tu ncua"?Suab nrov ib ntus feem ntau yog cov teeb meem los ntawm cov teeb meem sib txawv, nrog cov nqi kho qis. Cov suab nrov tsis tu ncua feem ntau qhia txog kev tivthaiv tsis ua haujlwm, uas yuav tsum tau hloov chaw sai kom tiv thaiv kev puas tsuaj ntxiv.
Kauj ruam 2: Tshawb xyuas "Pulley cov khoom siv" {-} Cov khoom laus laus lossis ua kom tsis muaj suab paj nruag
Qhov sib raug zoo ntawmTimeing pulleyCov ntaub ntawv (feem ntau nrum hlau, txhuas alloy, lossis engineering plastics) thiab siv cov khoom siv ncaj qha cuam tshuam. Cov teeb meem tshwm sim muaj:
Qhov Teeb Meem 1: Pulley cov khoom siv tsis txaus ntseeg lossis hnav
Cam khwb cia hlau pulleys siv ntev - lub sij hawm (tshaj 5 xyoos), qis dua 5 xyoos Yas pulleys soften thiab deform hauv high- qhov chaw muaj kub thiab ua rau kev sib tw tsis zoo nrog txoj siv sia, ua rau "kev sib txhuam."
Qhov Teeb Meem 2: Siv tsis sib haum thiab cov khoom siv pulley
Cov teeb meem daws teeb meem:Tshawb xyuas Pulley Groove - Kos qhov sib tw ntawm cov cim hlau (Grooves), thiab yas pullees rau deformation (Asymmetrical zawj-kawg nkaus). Xyuas cov cim cov cim ntawm txoj siv sia thiab pulleys kom paub meej tias compatibility (yas, polyurethans belts cim "pev";
Kauj ruam 3: Tshawb xyuas "Sab Ntiag Ntawv Sib Txuas Sib Txuas" {-} txawm hais tias kev sib cav sib txawv txawm tias muaj suab nrov.
Timeing pulleyQhov loj me (zawj profile, lub taub, bore) yuav tsum tau phim txoj siv sia thiab ncej taub. Dagensional sib txawv yog qhov "tsis pom kev tua" ntawm lub suab nrov:
Qhov Teeb Meem 1:Pulley Groove Cov Lus Qhia Txog Kev Siv Txoj Siv.
Siv sijhawm sau npe muaj xws li {{- hom, b {}} hom, thiab lwm yam los ntawm txoj siv tawv dav thiab qhov siab). AB - Hom txoj siv sia yuav tsum tau b - hom groove pulley. Siv ib qho - hom pulley (zawj tus kheej 2mm nqaim dua li txoj siv tawv) yuav ua rau kev sib txhuam) thiab ua kom nrov "thaum lub sijhawm ua haujlwm. Siv hom C pulley (nrog tus zawj 2mm dav dua txoj siv sia) ua rau txoj siv sia rau "wobble" hauv lub suab quaj ntsuag, tsim "suab nrov."
Qhov Teeb Meem 2: Txawv sib kis tau sib piv vim yog Tulley Inch Dagiation
Pulley ntawm txoj kab uas cuam tshuam rau cov kis tau kis. Yog tias qhov hloov cov ntsuas hluav taws xob ntawm lub taub hau yog 5% me dua li ntawm qhov tseem ceeb, nws yuav ua kom nrawm nrawm nrog cov suab paj nruag nrog cov suab nrov. " Yog hais tias txoj kab uas hla yog 5% loj dua li tus thawj, nws yuav nce quab yuam rau txoj siv sia, ua rau cov swb thiab kev ua "cov suab sib kev sib txhuam."
Qhov Teeb Meem 3: Pulley Rore - rau -}}}}}}}}}}} Ncej
The clearance between the pulley bore and crankshaft/camshaft shaft diameter should be controlled between 0.01-0.03mm (intermediate fit). Excessive looseness (clearance >0.05 hli) Ua rau lub pulley "eccentric kev sib hloov," tsim "suab nrov radial"; Kev nruj dua haum (cuam tshuam>> 0.02mm) nce cov kabmob thauj khoom, ua rau "suab nrov" thaum lub sijhawm ua haujlwm.
Cov Qauv Kev Tshawb Xyuas:Ntsuas cov dav dav thiab qhov siab (piv tawm tsam txoj siv kev siv hluav taws xob tshwj xeeb), ntsuas kev tawm tsam OEM (piv txwv li cas), kom muaj kev sib txawv ntawm ± 2%.
Kauj Ruam 4: Tshawb xyuas "Cov Khoom Zoo" Zoo thiab Precision "-} Cov Hluav Taws Xob Tsis Zoo thiab Cov Ntsig Nyuaj Siab Ua Suab.
Qhov chaw zoo (roughness, tiaj) thiab precision (coaxiality, kev sib tw) ntawmTimeing pulleys ncaj qha cuam tshuam kev sib koom tes siv sia. Precision yam tsis xws luag tsis muaj suab nrov:
Qhov Teeb Meem 1: Ntau lub Pulley Doughness
Lub zawv zawj saum npoo av ntawm lub pulley yuav tsum tsawg dua los yog sib npaug rau ra0.8μm (du nto txo qis kev sib txhuam). Yog tias muaj ntau dua li cov lus qhia tshwj xeeb, nws yuav tsim kom muaj "cov suab sib txhuam" okkin rau "sanding daim ntawv rub tawm ntawm txoj siv." Rau cam khwb cia burrs (ntse zawg zawg zuaj) tuaj yeem khawb txoj siv sia, tsim kom muaj "siab} pitched squeaking suab."
Qhov Teeb Meem 2: Pulley Coafiality / Roundness Txawv
Pulley coaxiality (deviation los ntawm ncej) yuav tsum tsawg dua lossis sib npaug rau 0.02mm, thiab kev sib txawv) tsawg dua lossis sib npaug rau 0.01mm. Ntau lub coaxiality (piv txwv li, 0.05mm) ua rau muaj "wobbling kev sib hloov," ua rau muaj suab nrov. " Kev sib tw ntau dhau ua rau lub pulley kev ua haujlwm vojvoog hloov pauv kom nruj thiab tsim kom muaj suab nrov sib txawv. "
Kauj Ruam 5: Tshuaj xyuas "kev teeb tsa qauv ua raws" - 80}}}}}} ntawm cov suab nrov ntawm cov kev teeb meem; Tsis txhob saib xyuas cov ntsiab lus.
Timeing pulleyTxhim kho yog "lub suab nrov hotspot." Ntau lub suab nrov keeb kwm tsis yog los ntawm kev ua txhaum ntu tab sis los ntawm kev teeb tsa kev teeb tsa me. Plaub yam tsis raug:
Kev ua yuam kev 1:Pulley Mounting cov screws yog xoob lossis misaligned.
Yog tias pulley mounting screws (feem ntau hexing screws) yog nyob rau hauv {{tights), lub sij hawm pulley Yog hais tias screws yog misaligned (perpendicity rau ncej ntau dua li 0.5 degree), txo qis kev sib tiv tauj nrog txoj siv sia thiab ua rau muaj kev sib tw uas ua rau "nrov nrov."
Yuam Kev 2: Misaligned Timing, ua rau muaj kev ua haujlwm ntawm PULLEY THIAB SIV
Ua tsis tiav lub sijhawm ua tsis tiav thaum lub sijhawm teeb tsa (misalignment ntawm lub sijhawm ntawm crankshaft pulley thiab camsraft pulley thiab pob zeb pulley ntawm pulley cov hniav thiab kev siv tawv grooves. Qhov ua rau "hniav jamming" thaum lub sijhawm ua haujlwm, ua lub suab "nias nrov."
Yuam Kev 3: Qhov Tsis Txaus Siab Lub Pulley Kev Hloov Kho
Yog Tenser Pulley Tension yog dhau lawm (hauv qab no tus qauv tsim los ntawm 20%), kev siv hlua khi ntawm txoj siv sia thiab suab nrov. " Yog hais tias nro yog nruj heev (saum toj tus qauv qauv los ntawm 20%), nce kev sib txhuam ntawm txoj siv thiab pulley {{3} txoj siv tawv tawv "thiab nrawm nrawm kev sib txhuam" thiab ua kom nrawm dua.
Kev ua yuam kev 4: cov tshuaj paug qhia thaum lub teeb nruab, cov khoom txawv teb chaws ntawm pulley thiab siv
Ua tsis tau kom ntxuav lub cav tshuab hluav taws xob tso cai tso cai hlau shavings lossis hmoov av kom nkag mus rau lub tshuab rub tawm. Thaum lub sijhawm ua haujlwm, cov lus no yog compressed los ntawm txoj siv siv, tsim cov suab sib tsoo.
Kauj Ruam 6: Txheeb xyuas "Cov Cuam Tshuam Ib puag ncig" {-}}}}}}}} Tus Mob Pulley Suab nrov.
Cav sib xyaw ua ke (kub, av noo, roj paug roj paug) nrawm panley kev laus thiab hnav, tsis ncaj qha ua suab nrov. Kev cuam tshuam ntau muaj xws li:
Kev Cuam Tshuam 1: Siab -} qhov chaw dej kub ib puag ncig nrawm pulley kev laus
Ntev ntev li cas kub nyob rau hauv lub cav sib xyaw (ua haujlwm zoo tshaj plaws) ua rau muaj kev sib tw yas) ua rau cov kab yas ua kom zoo nkauj thiab xeb (liab) Ob leeg hloov pauv hloov qhov haum ntawm pulleys thiab txoj siv sia, ua suab nrov.
Feem 2: Cov dej noo / roj kom tsis kam cuam tshuam rau pulley thiab siv
Lub cav txias lossis roj txi pulley thiab cov menyuam:Dej ua rau kev siv hlua siv hlua, ua "squeaking" suab; Roj Corroo Cov Roj Hmab (Ua kom muaj kev sib txhuam ua kom muaj zog thiab txo cov kev sib txhuam), tsim kom muaj cov roj nyob ntawm padley grooves, kev sib koom tes tsis txaus ntseeg.
Kev cuam tshuam 3: plua plav {{{{1} laden ib puag ncig nrawm pulley hnav
Kev ua haujlwm ntev hauv cov khoom siv plua plav zoo li cov chaw tsim khoom lossis cov suab puam tso cai rau plua plav thiab cov tawv nqaij, ua yeeb yam li "abrasives" kom nrawm dua hnav:Pulley Grooves Ua Goued, Siv Txoj Siv Rug
Kauj Ruam 7: Tswj "cov nqi kev kho mob suab" {{{{-}}}}}}}}}}}}}}}} Kev kuaj mob txuag tau nyiaj
Ntau tus tswv ob npaug ntawm cov nqi los ntawm hloov cov khoom dig muag thaum hais txog lub suab nrov pulley. Kho cov kev kuaj mob tseem ceeb txo cov nuj nqis:
Tus nqi tswjfwm 1: chaw nyob yooj yim daws teeb meem ua ntej xav hloov
Ua ntej kev kuaj ntsuas siv nruj (nias txoj siv nrog koj txhais tes; debrection yuav tsum yog 5 {- 10mm. Cov kauj ruam no xav tau tsis muaj kev hloov thiab incur yuav luag tus nqi xoom.
Tus nqi tswj hwm tus txheej txheem 2: Hloov tsuas yog qhov tsim nyog, zam kev hloov dig muag "tag nrho cov teeb tsa"
Lub sij hawm tsav tsav suav nrog pulleys, siv tawv, tensioners, thiab cov ntawv teev npe. Yog tias lub suab nrov tau lees paub los ntawm cov teeb meem PULLEY (piv txwv li, hnav lossis deformation), tsuas yog lub pulley xav tau hloov {}} tsis tag nrho cov teeb. Yog tias qhov laj thawj tsis meej, daws teeb meem rau "yooj yim rau kev nyuaj" Zam kev hloov tag nrho cov teeb tsa thaum pib (tus nqi tshaj 1500 RMB).
Ntsiab lus:Timeing pulleyCov suab nrov - "Cov teeb meem daws teeb meem yog tus yuam sij; cov dig muag kho ua rau poob."
Thaum lub sij hawm lub suab nrov Pulley ua rau yuav zoo li muaj complex, lawv tuaj yeem raug tshuaj xyuas raws cov txheej txheem no:"Cov xwm txheej → cov khoom siv → Qhov ntev → precision → Installation Installation → Ib puag ncig → LICAS."
Txhua tus kauj ruam muaj cov txheej txheem kev kuaj mob meej thiab cov kev daws teeb meem: txias - cav lub suab nrov:Xyuas txoj siv tawv siv tawv thiab lubrication ua ntej.Kev nrawm nrawm: Tshawb xyuas Tenseer Pulley Tension ua ntej. Suab nrov:Xyuas cov pulley bearings thiab fulsortricity ua ntej. Hloov cov khoom tsis sib xws, kho qhov sib txawv ntawm cov kev sib txawv, thiab rov nruab raws li cov lus qhia tshwj xeeb.
Tiv Tauj Peb
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