Fuhui Auto Parts Co., Ltd.
Fuhui Auto Parts Co., Ltd yog nyob rau hauv lub hometown nto moo ntawm oversea Suav-Quanzhou nroog ntawm Fujian xeev. Founded hauv 1986, Fuhui yog lub tuam txhab thev naus laus zis tshiab uas yog cov kws tshaj lij hauv R & D thiab tsim cov khoom pib thiab cov tshuab tshuab engineering. Peb cov khoom tseem ceeb yog nres camshafts (S-camshafts) thiab equilizer tus pin rau lub axles ntawm cov tsheb loj, semi-trailer, trailer thiab neeg nrog caij tsheb.
Vim li cas thiaj xaiv US
Peb lub Hoobkas
Fuhui Auto Parts Co., Ltd yog nyob rau hauv lub hometown nto moo ntawm oversea Suav-Quanzhou nroog ntawm Fujian xeev. Founded hauv 1986, Fuhui yog lub tuam txhab thev naus laus zis tshiab uas yog cov kws tshaj lij hauv R & D thiab tsim cov khoom pib thiab cov tshuab tshuab engineering.
01
Peb Cov Khoom
Peb cov khoom tseem ceeb yog nres camshafts (S-camshafts) thiab equilizer tus pin rau lub axles ntawm cov tsheb loj, semi-trailer, trailer thiab neeg nrog caij tsheb.
02
Peb Daim Ntawv Pov Thawj
Lub tuam txhab dhau los ntawm IATF16949: 2016 International Quality Management System Certification. Peb tus kheej-invented tshiab CNC convex log milling tshuab tau txais rewords thiab yeej lub Paris International Silver Trophy ntawm lub 7th International Exhibition ntawm Inventions, Tshiab Techniques thiab khoom, Kunshan.
03
Peb Qhov Kev Pabcuam
Peb ib txwm ua raws li lub tswv yim ntawm "Qee yam ua ntej, Credit First", thiab muab cov khoom lag luam zoo nrog tus nqi tsim nyog thiab kev pabcuam rau cov neeg siv khoom. Peb zoo siab txais tos cov neeg siv khoom tshiab thiab qub hauv tsev thiab txawv teb chaws tuaj yeem tiv tauj peb thiab nrhiav kev koom tes rau kev sib koom tes.
04
Marking: Customized
Parallelism: Tsawg dua lossis sib npaug rau 0.08mm
Hardness: 50-60HRC
Tus naj npawb ntawm cov hniav: 10-37cov hniav
Quenching Degree: 1.5-3.5mm
Lub sij hawm xa tuaj: 7-30 hnub ua haujlwm
Marking: Customized
Parallelism: Tsawg dua lossis sib npaug rau 0.08mm
Hardness: 50-60HRC
Tus naj npawb ntawm cov hniav: 37 cov hniav
Daim ntawv thov: Pem hauv ntej qag
Truck Model: Hnyav Truck
Khoom siv: 45 # lossis 40Cr Carbon Structural Steel
Kev kho cua sov: High-frequency quenching
Hardening thiab tempering: Muaj
Length: 120, 135, 150, 165, 180, 195, 250
Kev khiav hauj lwm hom: manual
Khoom siv: 45 # lossis 40Cr Carbon Structural Steel
hniav No.: 10-37 hniav lossis raws li tus neeg thov
Packing: Ntim hauv Carton
Khoom siv: 45 # lossis 40Cr Carbon Structural Steel
Warranty: 1 xyoo
MOQ: 400 pcs
Lub sij hawm xa tuaj: 7-30 hnub ua haujlwm
Kev Them Nyiaj: T / T 100% them nyiaj
Nres Camshaft Ntawm HinoHeavy Truck
Hino 500 Heavy Duty Truck
45 # lossis 40Cr Carbon Structural Steel
High-frequency quenching
Kev tsim kho steel zoo: Peb Trailer S Camshaft yog tsim los ntawm cov hlau zoo tshaj plaws, kom ntseeg tau tias nws muaj zog, ruaj khov thiab muaj peev xwm tiv taus qhov nruj ntawm kev siv hnyav thiab kev mus ntev.
Hardness: 50-60HRC
Tus naj npawb ntawm cov hniav: 10-37cov hniav
Quenching Degree: 1.5-3.5mm
Ntim: Carton
Daim ntawv pov thawj: IATF16949: 2016
Daim ntawv thov: Pem hauv ntej qag
Truck Model: Hnyav Truck
Khoom siv: 45 # lossis 40Cr Carbon Structural Steel
Kev kho cua sov: High-frequency quenching
Hardening thiab tempering: Muaj
S CAM yog dab tsi
S-cam feem ntau yog siv rau hauv cov ntawv thov thauj khoom hnyav lossis cov tsheb ua lag luam uas muaj huab cua nkag tau los ntawm lub tsheb. Nws yog ib txwm siv los ntawm huab cua, tab sis hydraulic zog siv tau thiab. S-cam foundation nres yog siv nyob rau hauv ntau tshaj 85% ntawm lub tsheb nyob rau hauv Teb Chaws Asmeskas uas khiav nrog cua nres. S-cam's tsuas yog siv nrog lub nruas nres vim lub cam thawb ntawm lub brakes uas rub tawm ntawm lub nruas tig, thiab ua rau lub tsheb qeeb. Nruas brakes yog nyiam rau cov tsheb loj dua vim tias lawv tso cai rau thaj tsam ntau dua hauv cov pawm nres kom tau txais cov khoom hnyav dua qeeb qeeb dua.
Qhov zoo ntawm S CAM
Camshafts los ntawm ntau yam ntawm cov hlau nrog hom khoom siv los txiav txim cov khoom xws li durability. Hauv qab no yog cov npe ntawm cov khoom siv camshafts koj tuaj yeem xav txog:
Precise valve lub sij hawm
Lub camshaft tswj qhov qhib thiab kaw ntawm lub cav qhov nqus thiab cov pa tawm ntawm lub sijhawm tshwj xeeb, hu ua lub sijhawm lub sijhawm. Precise valve lub sij hawm xyuas kom meej tias cov li qub qhib thiab kaw ntawm lub sijhawm zoo thaum lub sij hawm lub cav plaub-stroke, optimizing combustion efficiency thiab lub zog tso zis.
Valve nqa tswj
Cov duab thiab qhov loj ntawm lub cam lobes ntawm lub camshaft txiav txim siab lub valve nqa. Siab dua cam lobe profiles ua rau lub valve nqa ntau dua, tso cai rau huab cua thiab roj ntau nkag mus rau hauv lub cav, uas tuaj yeem ua rau lub cav muaj zog thiab kev ua haujlwm.
Variable valve sij hawm (vvt)
Qee lub tshuab niaj hnub siv lub camshaft phasing lossis lub sijhawm sib txawv ntawm lub valve los kho lub camshaft lub sijhawm thiab tswj cov xwm txheej valve raws li lub cav thauj khoom thiab ceev. Vvt txhim khu kev ua haujlwm ntawm lub cav, lub zog, thiab kev tso tawm los ntawm kev ua kom lub sijhawm valve zoo rau kev ua haujlwm sib txawv.
Txhim kho cov pa tso pa tawm
Lub camshaft tseem tswj lub sij hawm ntawm qhov tso pa tawm, tso cai rau lub sijhawm tshem tawm cov pa pa tawm thaum lub sijhawm tso pa tawm. Qhov kev tso pa tawm tau zoo no pab txo qis rov qab thiab txhim kho lub cav ua haujlwm.
Adaptability rau txawv cav tsim
Camshafts tuaj yeem tsim kom haum rau ntau lub cav configurations, xws li nyiaj siv ua haujlwm cam (ohc), dual nyiaj siv ua haujlwm cam (dohc), lossis ib qho nyiaj siv ua haujlwm cam (sohc) layouts, ua rau lawv hloov tau rau ntau hom cav.
Txoj Cai Ua Haujlwm ntawm S CAM
Tus neeg tsav tsheb ntawm lub tsheb uas yog muab los ntawm hydraulic lossis cua zog, nias lub nres pedal uas xa lub zog mus rau lub diaphragm. Lub diaphragm no xa cov lus tsa suab mus rau lub pas nrig uas tig lub ncej txuas nrog S-cam. Raws li S-cam rotates, ob lub symmetrical brake pads raug yuam tawm tsam lub nruas nres kom txog thaum lub siab tso tawm thiab cov nres nres rov qab mus rau lawv qhov chaw so.
Lub hauv paus ntsiab lus ntawm S-cam tso cai rau cov brakes ntawm lub tsheb loj kom muaj kev sib haum xeeb thiab tsis tshua muaj kev txav mus los, vim nws tsuas yog tso siab rau lub rotating ncej. Feem ntau hais lus, lub tsheb laij teb trailer yuav tsum tau nres ntau dua li lub tsheb ib txwm muaj, yog li ua kom cov brakes yooj yim thiab raug nqi raws li qhov ua tau yog qhov tseem ceeb heev.
S-cams ua tau zoo heev ntawm kev tuav cov brakes vim tias thaum lub nres nres hnav, S-cam tig ntau dua thiab ua rau cov ntaub qhwv mus ntxiv. Txij li thaum lub lobes ntawm S-cam nce nyob rau hauv lub vojvoog raws li nws tig, lub nres pads linear motion yog nce. Tau kawg koj xav kho koj tus brakes tsis tu ncua kom paub tseeb tias tsis muaj kev poob qis hauv koj lub nres nres thiab tias koj lub brakes teb.
Tsav Mechanism ntawm Camshaft
Kev tsav tsheb ntawm lub camshaft nyob ntawm lub cav tsim thiab tuaj yeem sib txawv. Cov nram qab no yog cov tsav tsheb mechanisms ntawm lub camshaft:
Iav tsav
Qee lub cav siv lub zog los tsav lub camshafts
Ntau lub cav siv lub iav tsav mechanism los tsav lub camshaft. Hauv kev teeb tsa no, lub camshaft txuas mus rau lub crankshaft los ntawm lub zog.
Cov iav no muaj cov hniav tshwj xeeb los tswj lub sijhawm meej ntawm lub crankshaft thiab camshaft tig. Raws li lub crankshaft tig, lub zog hloov qhov kev sib hloov mus rau lub camshaft, tswj lub valve ua haujlwm.
Chain tsav
Ib lub saw nyob ib ncig ntawm sprockets txuas lub camshaft thiab crankshaft nyob rau hauv cov cav uas siv cov saw thiab sprocket. Cov saw ntawm lub zog hloov cov kev sib hloov ntawm lub crankshaft mus rau lub camshaft, kom ntseeg tau tias lub sij hawm zoo valve.
Siv tsav
Lub sij hawm siv yog txuas nrog lub camshaft thiab hloov cov piston reciprocating mus rau hauv ib qho lus teb.
Nyob rau hauv ntau lub cav niaj hnub no, lub tsheb siv lub sij hawm siv los yog saw tsav lub camshaft. Txoj siv no los yog saw txuas mus rau lub camshaft los hloov cov lus tsa suab ntawm lub piston reciprocating rau hauv cov lus tsa suab.
Lub sij hawm siv lub sij hawm / saw yog nyob ib ncig ntawm ntau lub zog los yog sprockets, txuas lub crankshaft thiab camshaft. Nws ua kom synchronization ntawm ob lub shafts 'rotation. Raws li lub crankshaft tig, nws tsav lub camshaft los ntawm lub sij hawm siv los yog saw, ua rau lub camshaft lobes los actuate li qub.
Thaum lub sij hawm nyuaj los yog tsis tu ncua braking, lub tshav kub generated thaum lub sij hawm braking ua rau lub nruas 'loj' los yog nthuav. Yog li ntawd, lub peev xwm ntawm Standard-Stroke chamber kom xa cov kev txaus siab ntawm lub hauv ob sab phlu tiv thaiv lub nruas puas yog tom qab raug txwv los ntawm nws cov hlab ntsha thiab cov yam ntxwv ua haujlwm.
Yog li, raws li Standard-Stroke chambers tshaj 50.8mm (2-inches) ntawm kev mus los, tus neeg tsav tsheb yuav pib xav tias 'brake fade' kev paub. Qhov teeb meem no yog vim qhov txo qis zog ntawm lub chamber thaum nws txav los ze zog rau nws txoj hauj lwm siab tshaj plaws ntawm 63.5mm (2.5-inches). Thaum lub brake chamber stroke nyob ntawm lossis ze ntawm qhov chaw ntawd, tus nres yuav tsum tsis txhob muab lub zog nres.
Raws li qhov tshwm sim, yog Standard-Stroke 63.5mm (2.5- ntiv tes) thiab Long-Stroke 76.2mm (3-inch) nres chamber raug ntsia rau tib lub qag, yuav muaj qhov tsis txaus ntseeg, cuam tshuam rau kev nres lub peev xwm ntawm lub tsheb.
Cov xwm txheej no muaj tseeb tshwj xeeb tshaj yog thaum Standard-Stroke chamber tshaj nws qhov kev pom zoo 50.8mm (2-inches) kev hloov kho txwv.
Yog li ntawd, qhov kev tsis sib haum xeeb ntawm cov khoom sib tsoo no tej zaum yuav ua rau lub tsheb jerking mus rau sab uas Long-Stroke chamber nyob. Cov brakes haum nrog Long-Stroke chamber los ntawm tam sim no yog ua feem ntau ntawm braking.
Khoom siv ntawm S CAM
Cams feem ntau yog tsim los ntawm cov khoom muaj zog, tawv xws li nruab nrab mus rau high-carbon steel los yog cam khwb cia hlau los yog grey cam khwb cia hlau (case-hardened). Cams rau kev thauj khoom qis thiab nrawm lossis kev siv dej hiav txwv yog qee zaum ua los ntawm tooj liab lossis stainless hlau.
Cov khoom siv feem ntau siv rau kev tsim camshaft muaj xws li:
Grey Hlau:Hom cam khwb cia hlau no feem ntau yog siv los tsim cov camshafts vim nws cov machinability zoo thiab hnav tsis kam.
Alloy Steels:High-strength alloy steels, xws li 8620 lossis 4340 steel, feem ntau yog siv rau kev ua haujlwm lossis kev siv zog siab. Cov hlau no muab lub zog zoo thiab kav ntev.
Hlau Hlau:Ductile hlau, tseem hu ua nodular los yog spheroidal graphite hlau, yog siv rau camshafts uas yuav tsum tau ib tug ua ke ntawm lub zog, toughness, thiab machinability.
Hlau Hlau:Hauv kev ua haujlwm siab thiab kev sib tw, cov camshafts yog qee zaum machined los ntawm ib qho khoom ntawm billet steel. Cov txheej txheem no tso cai rau kev tswj xyuas meej ntawm lub camshaft tus tsim thiab cov lus qhia tshwj xeeb.
Chilled Hlau:Nyob rau hauv lub tsheb thiab tsheb laij teb cav, lub camshafts (los yog cam lobes) yog ua los ntawm chilled cam khwb cia hlau. Qhov hnav tsis kam ntawm chilled cam khwb cia hlau yog qhov siab dua li cov hlau cam khwb cia hlau.
Alloy Hlau:Alloyed cam khwb cia hlau, uas suav nrog cov khoom xws li npib tsib xee, chromium, thiab molybdenum, yog siv los txhim kho cov khoom siv ntawm lub camshaft.
Camshaft Transmission
Lub camshaft yog tsav los ntawm lub crankshaft, thiab nws kis tau tus mob mechanism muaj xws li iav hom, saw hom thiab toothed siv hom. Cov iav kis tau tus mob yog siv rau kev sib kis ntawm cov qis-mounted thiab nruab nrab-mounted camshafts. Roj av cav feem ntau tsuas yog siv ob lub sij hawm lub sij hawm, uas yog lub crankshaft sij hawm iav thiab lub camshaft sij hawm iav. Lub tshuab hluav taws xob yuav tsum tau tsav lub twj tso kua roj diesel rau tib lub sijhawm, yog li cov iav nruab nrab ntxiv. Txhawm rau kom ntseeg tau tias cov iav meshing du, tsis tshua muaj suab nrov thiab tsis tshua muaj hnav, lub sij hawm lub zog yog tag nrho cov cylindrical helical iav thiab yog ua los ntawm cov khoom sib txawv. Lub crankshaft sij hawm iav yog ua los ntawm nruab nrab carbon steel, thiab lub camshaft lub sij hawm iav yog ua los ntawm cam khwb cia hlau los yog ntaub bakelite. Txhawm rau kom ntseeg tau tias lub sijhawm kom raug ntawm kev faib roj thiab kev txhaj tshuaj roj, cov cim lub sijhawm raug kos rau ntawm cov iav kis tau tus mob, thiab cov qhab nia yuav tsum tau ua kom zoo thaum sib dhos. Cov saw tsav mechanism yog siv rau kev sib kis ntawm nruab nrab-mounted thiab sab sauv-mounted camshafts, tshwj xeeb tshaj yog cov high-ceev roj av cav nrog lub Upper-mounted camshaft txais yuav ntau saw kis mechanisms. Cov saw hlau feem ntau yog cov hlua khi, thiab qee qhov kev nruj yuav tsum tau tswj xyuas thaum lub sijhawm ua haujlwm kom tsis txhob muaj kev vibration thiab suab nrov. Rau lub hom phiaj no, cov kev taw qhia saw yog ntsia rau hauv cov saw tsav thiab cov tensioners raug ntsia rau ntawm ntug slack ntawm cov saw.
Camshaft Production Technology
Lub camshaft yog ib qho tseem ceeb ntawm lub cav. Lub hardness ntawm camshaft txiv duaj thiab qhov tob ntawm cov txheej dawb yog cov kev qhia tseem ceeb uas txiav txim siab lub neej kev pab cuam ntawm lub camshaft thiab efficiency ntawm lub cav. Nyob rau ntawm qhov chaw ntawm kev ua kom lub cam muaj ib tug siab txaus hardness thiab ib tug sib sib zog nqus dawb txheej, nws yuav tsum tau txiav txim siab hais tias cov phau ntawv journal tsis muaj carbides siab, thiaj li hais tias nws muaj zoo machining kev ua tau zoo.
Cov txheej txheem tseem ceeb ntawm kev tsim cov camshafts hauv tsev thiab txawv teb chaws yog raws li hauv qab no: tom qab cov hlau forging dawb paug raug txiav, lub txiv duaj taub ntawm lub cam yog raug rau siab quenching los tsim ib txheej martensite. Thaum xyoo 1970s, lub teb chaws Yelemees thiab Fabkis tau ua tiav cov txheej txheem tshiab rau argon arc remelting ntawm camshafts; kuj tseem muaj cov camshafts camshaft uas tuaj yeem ua tau zoo nyob hauv Tebchaws Meskas; chilled camshafts feem ntau nyob rau hauv Nyiv thiab Fabkis; thiab camshafts.
Yuav Ua Li Cas Xyuas Cam Qhov Siab ntawm Camshaft
Kev npaj yuav tsum
1. Ib lub camshaft yuav raug tshuaj xyuas;
2. Kev tshuaj xyuas phaj, ib khub ntawm v-zoo li tus hlau, sab nraud micrometer, ntsuas qhov ntsuas, cam qauv ntsuas, sib nqus puag dial qhia, paj rwb xov,
Dawb hmoov, tooj liab pas nrig los yog tes rauj.
Cov kauj ruam ua haujlwm
1. Ntxuav lub camshaft, so kom qhuav, sprinkle nrog hmoov dawb, thiab ntaus nws nrog ib tug pas nrig tooj liab los yog ib tug me me rauj los xyuas seb puas muaj kab nrib pleb.
2. Txhawb nqa lub camshaft ntawm v-shaped hlau ntawm lub phaj xeem (txhawb cov ntaub ntawv tseem ceeb ntawm ob qho kawg).
3. Siv lub micrometer sab nraud los ntsuas qhov kev sib hloov thiab lub cylindricity yuam kev ntawm txhua qhov spindle txoj kab uas hla thiab xyuas qhov hnav ntawm lub sij hawm iav caj dab.
4. Siv lub ntsuas hluav taws xob sib nqus los ntsuas qhov khoov deformation ntawm lub camshaft. Txoj kev ua haujlwm yog tso lub dial taw qhia nyob rau hauv nruab nrab ntawm lub phaj, kho tus dial taw qhia pas nrig, thiab muab tso rau ntawm qhov chaw ntawm nruab nrab lub ntsiab ncej txoj kab uas hla ntawm lub camshaft, them sai sai mus rau lub preload ntawm 1 hli, ces maj mam tig. camshaft rau tag nrho lub voj voog. Qhov sib txawv ntawm tus nqi siab tshaj plaws thiab qhov tsawg kawg nkaus tus nqi taw qhia los ntawm rab koob loj yog lub voj voog radial runout ntawm lub camshaft, thiab 1/2 ntawm tus nqi yog coaxiality ntawm lub camshaft.
5. Ntsuas qhov hnav ntawm lub cam:Siv lub cam qauv ntsuas los tuav lub sab saum toj ntawm lub cam, thiab siv lub ntsuas ntsuas ntsuas qhov sib txawv ntawm tus qauv thiab lub cam saum npoo yog tus nqi ntawm lub cam hnav.
6. Ntsuas cam nqa:Ua ntej ntsuas lub hauv paus lub voj voog txoj kab uas hla ntawm lub cam nrog rau sab nraud micrometer, thiab tom qab ntawd ntsuas qhov siab ntawm lub hauv paus lub voj voog mus rau sab saum toj ntawm lub cam. Qhov sib txawv ntawm ob yog lub cam nqa.
7. Kev tshuaj xyuas qhov tshwm sim:Qhov saum npoo ntawm lub log eccentric ntawm lub helical iav uas tau tsav los ntawm cov roj twj tso kua mis yuav tsum tsis txhob hnav hnyav, lub semicircular keyway yuav tsum tsis txhob hnav hnyav, thiab lub taub hau xov yuav tsum tsis txhob puas ntau tshaj 2 cov hniav.
8. Kho cov camshaft
(1) Lub camshaft dabtsi yog khoov yuav tsum tau kho kom txias.
(2) Thaum lub camshaft txoj kab uas hla yog hnav thiab lub cam tsis hnav, qhov tsim nyog kho loj yuav tsum tau xaiv rau kev sib tsoo.
(3) Kev hnav tseem ceeb tuaj yeem kho tau los ntawm kev sib tsoo vuam, rov milling tom qab machining, thiab txoj kev tseem ceeb tuaj yeem hloov tau yog tias nws hnav hnyav heev.
Feem ntau ua txhaum ntawm camshaft muaj xws li hnav tsis zoo, suab nrov txawv txav thiab pob txha. Kev coj txawv txawv feem ntau tshwm sim ua ntej lub suab nrov txawv txav thiab tawg.
(1) Lub camshaft yuav luag thaum kawg ntawm lub cav lubrication system, yog li lub lubrication mob tsis zoo. Yog hais tias cov roj lub siab ntawm cov roj twj tso kua mis tsis txaus vim lub sij hawm ua hauj lwm ntev, los yog lub lubricating roj passage yog thaiv thiab cov roj lubricating tsis tuaj yeem ncav cuag lub camshaft, los yog lub zog nruj ntawm cov kabmob npog fastening bolt loj dhau thiab cov roj lubricating. tsis tuaj yeem nkag mus rau hauv lub camshaft clearance, lub camshaft yuav txawv txav.
(2) Qhov txawv txav ntawm lub camshaft yuav ua rau qhov sib txawv ntawm lub camshaft thiab lub rooj zaum bearing nce, thiab axial displacement yuav tshwm sim thaum lub camshaft txav, ua rau lub suab nrov txawv txav. Kev coj txawv txawv kuj tseem yuav ua rau qhov sib txawv ntawm lub cam tsav thiab hydraulic tappet nce, thiab lub cam yuav sib tsoo nrog hydraulic tappet thaum nws sib xyaw ua ke, ua rau muaj suab nrov txawv txav.
(3) Lub camshaft qee zaum muaj qhov ua txhaum loj xws li tawg. Feem ntau ua rau yog hydraulic tappet tawg los yog hnyav hnyav, hnyav lubrication, tsis zoo camshaft zoo thiab camshaft sij hawm iav tawg.
(4) Qee zaus, lub camshaft tsis ua hauj lwm yog tshwm sim los ntawm tib neeg yam, tshwj xeeb tshaj yog thaum lub camshaft tsis zoo disassembled thaum lub cav tu. Piv txwv li, thaum tshem lub camshaft bearing cover, siv ib tug rauj quab yuam los khob nws los yog siv ib tug screwdriver rau pry nws, los yog nruab lub bearing cover nyob rau hauv tsis ncaj ncees lawm txoj hauj lwm, uas ua rau lub mismatch ntawm lub bearing cover thiab bearing lub rooj, los yog nyob rau hauv lub qhov rais. zawm torque ntawm fastening bolts ntawm bearing npog yog loj heev. Thaum txhim kho cov kabmob npog, ua tib zoo saib rau qhov taw qhia xub thiab tus lej ntawm qhov chaw ntawm cov kabmob npog, thiab nruj nreem bolts ntawm cov kabmob npog nrog lub torque ciaj ntswj nruj me ntsis raws li qhov teev torque.
FAQ
Cim npe nrov: s cam, Tuam Tshoj s cam manufacturers, lwm tus neeg, Hoobkas
