Hauj lwm lawm
Kev tsis
Khoom Description
Tsheb qag roj hmab foob nbr fkm
Lub rear qag roj hmab foob yog ib lub foob siv rau lub rear qag ntawm lub tsheb lossis lwm yam khoom siv kho tshuab, feem ntau yog ua los ntawm cov khoom siv roj hmab. Lub luag haujlwm ntawm lub log tsheb log tsheb yog los tiv thaiv cov roj lubricating los yog cov kua dej sib kis los ntawm kev xau ntawm lub qag nram qab thiab tiv thaiv plua plav, ya raws, thiab lwm yam impurities los ntawm kev nkag mus rau cov kabmob lossis lwm yam khoom tseem ceeb.
- rear qag pob txha roj foob: Qhov no yog ib hom ntawm rear qag roj hmab foob, uas muaj ib tug roj hmab di ncauj nplhaib thiab ib tug hlau skeleton. Cov roj hmab daim di ncauj yog nyob rau hauv kev sib cuag nrog lub ncej, tsim ib tug sealing barrier, thaum lub hlau skeleton muab structural kev txhawb nqa. Nws zoo tiv thaiv lubricant to thiab resists hnav thiab high-speed tig.
- rear qag foob: Lub rear qag foob yog ib tug annular foob feem ntau yog ua los ntawm cov khoom siv roj hmab. Nws yog ntsia rau ntawm qhov kawg ntawm lub qag nram qab kom tiv thaiv cov roj lubricating los ntawm kev xau ntawm lub qag thiab ib puag ncig sab nraud, thiab tiv thaiv plua plav, noo noo, thiab lwm yam impurities los ntawm kev nkag mus rau cov kabmob. rear qag seals feem ntau muaj cov roj zoo thiab hnav tsis kam.
- rear qag cap seal: Qee lub tsheb yuav tau nruab nrog lub rear qag cap seal ntawm lub rear qag, uas yog ib tug roj hmab foob uas kaw qhov sib txawv ntawm lub bearing thiab rear qag cap. Nws zoo tiv thaiv lubricant to thiab tiv thaiv bearings los ntawm kev sib kis los ntawm lwm yam impurities.
Cov roj hmab sab nraub qaum feem ntau yuav tsum muaj cov yam ntxwv xws li roj tsis kam, hnav tsis kam, kub kub tsis kam, tshuaj tiv thaiv corrosion, thiab zoo elasticity kom hloov mus rau kev ua haujlwm hauv lub tsheb qag ib puag ncig.
Cov Khoom Siv Khoom Description
Cov khoom siv roj hmab sealing
Kev xaiv khoom
Cov khoom xaiv ntawm rear qag roj hmab seals feem ntau yog nyob ntawm cov kev thov tshwj xeeb thiab ib puag ncig ua haujlwm. Cov hauv qab no yog qee cov khoom siv nram qab qag roj hmab foob:
- NBR (Nitrile Butadiene Rubber): NBR yog cov khoom siv roj hmab uas muaj roj zoo, hnav tsis kam, thiab elasticity. Nws ua tau zoo nyob rau hauv ib txwm ua hauj lwm tej yam kev mob thiab yog haum rau rear qag roj hmab sealing nyob rau hauv feem ntau drivetrains. Txawm li cas los xij, NBR muaj qhov kub thiab txias tsis kam thiab tsis haum rau qhov chaw kub kub.
- FKM (fluoroelastomer): FKM yog cov khoom siv roj hmab ua haujlwm siab nrog cov roj zoo heev, cua sov, thiab tshuaj tiv thaiv. Nws ua tau zoo nyob rau hauv rear qag sealing daim ntaub ntawv qhov twg kub thiab corrosion kuj yuav tsum tau. FKM cov ntsaws ruaj ruaj feem ntau yog siv rau hauv qab qag ua haujlwm nyob rau hauv ib puag ncig uas muaj roj nplua nyeem lossis cov dej sib kis.
- ACM (polypropylene roj hmab): ACM yog cov khoom siv roj hmab uas muaj roj zoo thiab ua haujlwm kub, tsim nyog rau cov roj hmab hauv qab ntawm cov ntsaws ruaj ruaj hauv qee qhov nruab nrab kub. Nws tuaj yeem tswj tau zoo elasticity thiab sealing kev ua tau zoo ntawm qhov kub thiab txias.
- VMQ (silicone roj hmab): VMQ yog cov khoom siv roj hmab uas muaj qhov kub thiab txias, nrog rau kev ua haujlwm kub zoo thiab oxidation tsis kam. Nws yog tsim rau rear qag sealing yuav tsum nyob rau hauv high-temperature tej yam kev mob thiab muaj peev xwm tswj nws cov kev ua tau zoo thiab sealing nyhuv nyob rau hauv high-temperature ib puag ncig.
High-temperature resistant FKM (fluoroelastomer) rear qag roj hmab foob yog lub rear qag sealing tov haum rau high-temperature ib puag ncig. FKM muaj cov roj zoo heev, cua sov, thiab tshuaj tiv thaiv, ua rau nws zoo tagnrho rau ntau daim ntawv thov kub.
- High-temperature resistance: FKM seals tuaj yeem tswj tau qhov kev ua tau zoo thiab sealing nyhuv nyob rau hauv ib puag ncig kub. Feem ntau hais lus, FKM cov ntaub ntawv muaj qhov ntsuas kub ntawm 150 degree mus rau ntau tshaj 200 degree, uas ua rau lawv tsim nyog rau cov ntsaws ruaj ruaj rear qag nyob rau hauv high-temperature kis systems.
- Roj tsis kam: FKM cov ntsaws ruaj ruaj muaj cov roj zoo heev thiab tuaj yeem tiv taus kev sib cuag nrog ntau yam roj lubricating thiab cov kua dej sib kis, thiab yuav tsis nthuav, muag, lossis tsis ua haujlwm vim muaj cov tshuaj lom neeg ntawm cov roj.
- Cov tshuaj tiv thaiv corrosion: FKM cov ntsaws ruaj ruaj muaj kev tiv thaiv zoo rau ntau cov tshuaj lom neeg, tuaj yeem tiv taus cov kua qaub, alkalis, cov kuab tshuaj, thiab lwm yam tshuaj, thiab yuav tsis puas los yog ua tsis tiav vim corrosion los ntawm cov tshuaj lom neeg.
- Hnav tsis kam: FKM cov ntsaws ruaj ruaj muaj qhov hnav tsis zoo thiab tuaj yeem tiv taus kev sib txhuam thiab hnav, tuav lawv txoj kev ncaj ncees thiab kev sib khi.
- Elasticity: FKM cov ntsaws ruaj ruaj muaj elasticity zoo thiab tuaj yeem hloov mus rau kev sib hloov thiab txav ntawm lub qag nram qab kom ua tau zoo sealing.
- Kev laus tsis kam: FKM cov ntsaws ruaj ruaj yog ruaj khov thiab tuaj yeem ua haujlwm ruaj khov nyob rau hauv qhov chaw kub kub ntev ntev yam tsis muaj qhov pom tseeb, kev laus, lossis tsis ua haujlwm.
Cov duab
- O-ring: O-ring yog qhov ntau tshaj plaws thiab yooj yim rear qag roj hmab foob zoo li. Nws muaj lub voj voog hla ntu thiab feem ntau yog ua los ntawm cov khoom siv roj hmab. O-rings tuaj yeem tsim kev sib txuas nrog cov ncej saum npoo los yog lub rooj zaum zawj los ntawm compression los tiv thaiv cov kua los yog roj.
- X-shaped sealing nplhaib: X-shaped sealing nplhaib, tseem hu ua plaub-lip sealing nplhaib lossis plaub-lip nplhaib, muaj X-zoo li tus ntoo khaub lig-section. Nws muaj ob daim di ncauj symmetrical sealing daim di ncauj thiab ob sab kev txhawb nqa rings, uas tuaj yeem muab kev sib khi zoo dua thiab ua haujlwm rau compression deformation.
- V-shaped sealing nplhaib: V-shaped sealing nplhaib muaj V-shaped cross-section thiab yog ua los ntawm cov khoom siv roj hmab. Nws feem ntau yog siv rau kev sib khi ntawm cov ncej thiab lub rooj zaum zawj thiab muaj kev sib khi zoo thiab ua haujlwm rau compression deformation.
- U-shaped sealing nplhaib: U-shaped sealing nplhaib muaj U-shaped cross-section thiab yog ua los ntawm cov khoom siv roj hmab. Nws feem ntau yog siv los kaw cov zawv zawg lossis kev sib hloov ntawm cov kua lossis cov pa roj ntawm cov ncej.
- Rectangular sealing nplhaib: Lub nplhaib sib dhos muaj qhov sib dhos sib dhos thiab yog ua los ntawm cov khoom siv roj hmab. Nws feem ntau yog siv los kaw cov shafts los yog vaj tsev nrog cov duab plaub.
| hardness (Ntaub A) ISO 868 |
Lub ntiajteb txawj nqus (g / cm3) |
| 75 ± 5 | 1.95 |
| Tensile zog (N / mm 2) ISO 37 |
elongation ntawm tawg (%) ISO 37 |
| 6 | 225 |
| kub laus ISO 188 |
hardness (Pts) |
| 72h ua. Thaum 70 degree | +3 (Max) |
| tensile zog (%) | elongation ntawm tawg (%) |
| +5/-5 | +5/-10 |
| cheeb tsam tsis kam | roj kuj |
| zoo heev | zoo heev |
| concentrated acids thiab bases | dilute acids thiab bases |
| zoo heev | zoo heev |
| cov kuab tshuaj | roj av |
| zoo heev | zoo heev |
| *Kuaj raws li tus qauv CEC 0.1.4-08 los ntawm TÜVSÜD.Refers. | |
Txog Daim Ntawv Pov Thawj
- ISO / TS 16949: ISO / TS 16949 yog daim ntawv pov thawj kev tswj hwm zoo tsim nyog rau kev lag luam tsheb. Daim ntawv pov thawj no xav kom txhua qhov txuas hauv cov khoom siv tsheb thauj mus los kom tau raws li kev tswj hwm nruj, suav nrog cov chaw tsim khoom siv tsheb. Dhau ISO / TS 16949 daim ntawv pov thawj tuaj yeem ua pov thawj tias lub tsheb rear qag roj hmab foob cov tuam txhab tuaj yeem ua raws li cov qauv kev tswj hwm zoo ntawm kev lag luam tsheb.
- IATF 16949: IATF 16949 yog thoob ntiaj teb automotive kev lag luam kev lag luam kev tswj kev tswj cov txheej txheem ntawv pov thawj uas hloov ISO / TS 16949. Tsim los ntawm International Automotive Task Force (IATF), nws yuav tsum tau pib qhov chaw tsim khoom hauv cov khoom siv kom tau raws li kev tswj hwm nruj dua. Tau txais daim ntawv pov thawj IATF 16949 yog ib qho pov thawj ntxiv tias cov chaw tsim khoom ntawm lub tsheb nraub qaum roj hmab ntsaws ruaj ruaj muaj kev tswj xyuas zoo uas ua tau raws li cov qauv siab tshaj plaws.
- ISO 9001: Txawm hais tias ISO 9001 tsis tau tsim tshwj xeeb rau kev lag luam tsheb, nws kuj tau siv dav hauv kev tsim khoom tsheb. Los ntawm ISO 9001 ntawv pov thawj, automotive rear qag roj hmab foob manufacturers tuaj yeem ua pov thawj tias lawv cov kev tswj xyuas zoo raws li cov qauv thoob ntiaj teb thiab muab cov khoom ua tau raws li qhov yuav tsum tau ua.
- ASTM D2000: ASTM D2000 yog tus qauv tsim los ntawm American Society for Testing and Materials (ASTM) uas qhia txog cov khoom siv thiab kev faib tawm ntawm cov khoom siv roj hmab. Txawm hais tias nws tsis yog ib daim ntawv pov thawj tshwj xeeb rau kev lag luam tsheb, kev ua raws li ASTM D2000 cov qauv ua kom ntseeg tau tias cov khoom siv ntawm lub tsheb rear qag roj hmab ntsaws ruaj ruaj raws li qhov yuav tsum tau ua.
Cim npe nrov: rear qag roj hmab foob nbr fkm, Tuam Tshoj rear qag roj hmab foob nbr fkm manufacturers, lwm tus neeg, Hoobkas
