Thaum 7 teev sawv ntxov, lub nroog sawv los nrog ib lub nag me me. Mr. Zhang, ib yam li niaj zaus, taug kev mus rau nws lub tsheb fais fab, npaj txhij rau lwm hnub mus ncig. Cov dej nag ntaus lub pob them fais fab, thiab nws cov nplaim du. Nws qhib lub hau ntawm lub pob them fais fab, lub foob roj hmab me ntsis hloov pauv los ua ib qho thaiv dej - lub luag haujlwm ntsiag to, txhua hnub ntawm lub pob roj hmab gasket pib. Cov khoom siv roj hmab no ua haujlwm zoo li tus neeg saib xyuas ntsiag to, tiv thaiv kev nyab xeeb ntawm txhua lub roj teeb.
I. Tus Saib Xyuas Tsis Tu Ncua: Lub Hom Phiaj Txhua Hnub ntawmCov roj hmab Gasket
- Kab Tiv Thaiv Thawj Zaug Tiv Thaiv Dej Thiab Pluav: Lub qhov (socket) phom them fais yog lub qhov rooj rau cov khoom siv hluav taws xob rhiab heev. Lub gasket roj hmab lub luag haujlwm tseem ceeb yog ua ob qho tib si "lub kaus" thiab "lub tiv thaiv," kaw lub qhov (socket) thaum tsis siv. Txawm hais tias nws yog nag los sai sai, tshuaj tsuag siab thaum ntxuav tsheb, lossis cua daj cua dub uas tshwm sim hauv thaj chaw sab qaum teb, lub gasket siv nws qhov kev ywj pheej los ua kom nruj rau ntug qhov (socket), tsim ib qho kev thaiv lub cev uas tiv thaiv txhua yam uas yuav ua rau luv luv lossis xeb.
- Lub "Xauv Kev Nyab Xeeb" Tiv Thaiv Cov Khoom Txawv Tebchaws: Lub qhov rooj them hluav taws xob uas tsis pom tseeb zoo li lub "qhov tsua me me" qhib. Cov menyuam yaus uas xav paub yuav muab cov hlau lossis cov yuam sij ntsaws rau hauv; cov pob zeb ntawm ntug kev tuaj yeem dov rau hauv. Lub gasket roj hmab ua haujlwm zoo li tus neeg zov zoo, thaiv cov "neeg nkag tsis tau" uas tsis tau xav txog, tiv thaiv kev khawb, luv luv, lossis kev raug mob hnyav dua rau cov hlau sab hauv.
- Tiv Thaiv Qhov Kub Heev: Thaum sawv ntxov lub caij ntuj no uas txias heev, cov hlau sib txuas yuav txias heev; thaum tav su kub heev thaum lub caij ntuj sov, qhov chaw them hluav taws xob tuaj yeem tshaj 60 ° C (140 ° F). Ua tsaug rau nws txoj kev tiv thaiv huab cua zoo heev thiab elasticity, lub gasket roj hmab nthuav dav thiab sib cog lus zoo thaum lub sijhawm kub, zam kev ua tsis tiav ntawm lub foob lossis kev puas tsuaj ntawm cov qauv los ntawm kev sib txawv ntawm cov nqi nthuav dav ntawm cov khoom hlau, tswj kev tiv thaiv zoo.
II. Tus phab ej tsis muaj npe nrov ntawm kev nyab xeeb: Tus nqi ntau tshaj qhov tiv thaiv dej tsis nkag
- Kev Tiv Thaiv Hluav Taws Xob Txhim Khu Kev Rwb Thaiv: Cov pawg them hluav taws xob nqa cov hluav taws xob DC siab. Lub gasket roj hmab nws tus kheej yog ib qho insulator zoo heev. Thaum lub hau kaw, nws muab ib txheej tseem ceeb ntxiv ntawm kev cais hluav taws xob nrog rau nws lub cev tiv thaiv dej thiab hmoov av. Qhov kev rwb thaiv no txo qhov kev pheej hmoo ntawm cov khoom hlau sab nraud yuav raug hluav taws xob (tshwj xeeb tshaj yog nyob rau hauv cov huab cua noo) thaum tsis them, ntxiv ib lub vas sab kev nyab xeeb ntxiv.
- Tiv Thaiv Kev Poob Hluav Taws Xob Tsis Tau Ua Ntej: Xav txog ib txhais tes ntub dej kov ntug ntawm lub qhov chaw them hluav taws xob uas tsis tau ua ntej - qhov xwm txheej uas yuav ua rau muaj kev phom sij. Lub gasket roj hmab uas npog cov npoo hlau nyob ib puag ncig lub qhov chaw ua haujlwm zoo li "lub tes tsho tiv thaiv," txo qhov muaj feem ntawm cov neeg siv lossis cov neeg hla kev (tshwj xeeb tshaj yog cov menyuam yaus) tsis tau ua ntej kov cov khoom hlau nyob ze ntawm lub chaw them hluav taws xob, muab kev tiv thaiv tseem ceeb rau kev nyab xeeb ntawm tus kheej.
- Ua Kom Lub Cheebtsam Tseem Ceeb Siv Tau Ntev: Kev nkag mus ntev ntawm cov dej noo, cov tshuaj ntsev (hauv thaj chaw ntug dej hiav txwv), thiab cov plua plav ua rau cov hlau sab hauv thiab cov khoom siv hluav taws xob ntawm lub pawg them hluav taws xob ua rau oxidation, corrosion, thiab laus sai dua. Lub foob ruaj khov uas muab los ntawm lub gasket roj hmab ua haujlwm zoo li lub kaus tiv thaiv rau cov khoom kim heev "lub plawv" no, ua rau qeeb qeeb ntawm kev ua haujlwm, ua kom ntseeg tau tias kev them hluav taws xob ua haujlwm tau zoo, txo cov nqi ntawm cov khoom siv tsis ua haujlwm, thiab thaum kawg ua rau lub pawg them hluav taws xob siv tau ntev dua.
III. Me Me, Kev Tshawb Fawb Loj: Cov Txuj Ci Siv Hauv Roj Hmab
- Vim li cas roj hmab thiaj tseem ceeb?
- Vaj Ntxwv ntawm Kev Sib Nqus Tau Yooj Yim: Cov roj hmab cov qauv molecular tshwj xeeb ua rau nws muaj peev xwm hloov pauv tau yooj yim heev. Qhov no tso cai rau lub gasket kom sib haum rau ntug ntawm ntau yam duab ntawm qhov chaw them hluav taws xob, sau cov qhov tsis zoo me me los ntawm nws tus kheej deformation kom ua tiav lub foob tsis xau - qhov zoo tshaj plaws uas cov hlau lossis cov yas tawv tsis tuaj yeem ua tiav.
- Ua Kom Siv Tau Ntev: Cov roj hmab uas tsim tshwj xeeb rau cov gaskets them fais (xws li EPDM - Ethylene Propylene Diene Monomer, lossis CR - Chloroprene Rubber) muaj kev tiv taus zoo rau UV rays (tiv thaiv hnub), ozone (tiv thaiv kev laus), qhov kub thiab txias heev (-40 ° C txog + 120 ° C / -40 ° F txog 248 ° F), thiab cov tshuaj lom neeg (xws li cov pa tsheb, nag acid). Qhov no ua kom muaj kev ua haujlwm ntev hauv qhov chaw sab nraum zoov yam tsis muaj kev tawg, tawg, lossis puas tsuaj mus tas li.
- Tus Saib Xyuas Ruaj Khoov: Cov roj hmab zoo tswj tau cov khoom ruaj khov thiab elasticity thaum siv ntev, zam kev ua tsis tiav ntawm lub foob vim yog xoob lossis deformation tom qab qhib / kaw ntau zaus, muab kev tiv thaiv ruaj khov thiab txhim khu kev qha.
- Cov ntsiab lus tsim qauv tseem ceeb:
- Cov Duab Qhia Tseeb: Cov duab ntawm lub gasket tsis yog raws li qhov xav tau. Nws yuav tsum phim cov duab geometric ntawm lub qhov chaw them nqi (puag ncig, plaub fab, lossis kev cai), feem ntau muaj cov di ncauj tshwj xeeb, cov kab nrib pleb, lossis cov kab ntawm ntug kom ua tiav qhov kev sib khi zoo tshaj plaws.
- Kev Ywj Pheej Uas Yog Txoj Cai: Tsis muaj zog dhau, nws yuav tsis kaw; muaj zog dhau, nws nyuaj rau qhib thiab hnav sai dua. Cov kws ua haujlwm kho qhov tawv ntawm cov roj hmab (Shore hardness) thiab kev tsim qauv (piv txwv li, pob txha txhawb nqa sab hauv) kom ntseeg tau tias muaj zog kaw thaum lub hom phiaj rau kev ua haujlwm du thiab ruaj khov.
- Kev Txhim Kho Kom Ruaj Ntseg: Feem ntau cov gaskets raug txuas ruaj khov rau ntawm lub pob them lossis rab phom them los ntawm kev ntxig rau hauv qhov snap-fit, kev sib txuas ntawm cov nplaum, lossis kev sib koom ua ke nrog lub hau nws tus kheej. Qhov no tiv thaiv lawv kom tsis txhob raug rub tawm lossis tshem tawm yooj yim thaum siv, ua kom muaj kev tiv thaiv tas mus li.
IV. Kev Xaiv thiab Kev Txij Nkawm: Ua kom koj tus "Tus Saib Xyuas Roj Hmab" Ua Haujlwm Tau Ntev Dua
- Xaiv Kom Zoo:
- Kev Sib Tw OEM Zoo Tshaj Plaws: Thaum hloov lub gasket, muab qhov tseem ceeb rau cov khoom lag luam Original Equipment Manufacturer (OEM) uas tau teev tseg los ntawm lub hom phiaj them lub thawv lossis cov khoom lag luam sab nraud uas tau ntawv pov thawj uas ua raws li nws cov lus qhia. Qhov sib txawv me me ntawm qhov loj me, cov duab, lossis qhov nyuaj tuaj yeem ua rau kev sib khi tsis zoo.
- Saib Cov Khoom Siv: Nrhiav cov ntaub ntawv qhia txog cov khoom siv hauv cov lus piav qhia txog cov khoom (piv txwv li, EPDM, Silicone). Cov khoom siv zoo yog qhov tseem ceeb rau kev ruaj khov mus sij hawm ntev. Tsis txhob siv cov roj hmab rov ua dua tshiab uas tsis zoo thiab yuav lwj thiab tawg.
- Kev Tshawb Xyuas Thaum Pib: Cov khoom siv roj hmab zoo yuav yoog tau thiab ruaj khov, tsis muaj ntxhiab tsw phem (tej zaum roj hmab yuav tsis zoo), thiab muaj qhov chaw du thiab zoo uas tsis muaj cov khoom qias neeg, tawg, lossis burrs pom tseeb.
- Kev Saib Xyuas Txhua Hnub Yooj Yim:
- Ntxuav Kom Huv: So lub gasket nto thiab ntug qhov chaw sib cuag nrog daim ntaub huv, mos lossis daim txhuam cev uas ntub dej kom tshem tawm cov hmoov av, xuab zeb, quav noog, thiab lwm yam. TSIS TXHOB siv roj av, cov kua qaub/bases muaj zog, lossis cov organic solvents (xws li cawv - siv nrog kev ceev faj). Cov no tuaj yeem ua rau roj hmab lwj heev, ua rau o, tawg, lossis tawv.
- Tshawb Xyuas Ntau Zaus: Ua kom nws yog ib qho kev coj ua los xyuas lub gasket roj hmab thaum twg koj qhib / kaw lub hau:
- Puas muaj qhov tawg, qhov txiav, lossis kua muag uas pom tseeb?
- Puas yog nws puas deformed mus tas li (piv txwv li, flattened thiab yuav tsis rov qab los)?
- Qhov saum npoo puas nplaum los yog hmoov (cov cim qhia tias laus zuj zus)?
- Thaum kaw lawm, puas tseem zoo li nruj nreem, tsis xoob?
- Siv roj me ntsis (Yog tias xav tau): Yog tias qhov qhib/kaw zoo li tawv lossis tsis ruaj khov, IB TXWM saib phau ntawv qhia lossis chaw tsim khoom ua ntej. Tsuas yog tias pom zoo meej xwb, siv me ntsis roj roj tiv thaiv roj hmab/silicone rau ntawm qhov zawj lossis qhov swb. Tsis txhob cia roj roj ncaj qha rau ntawm qhov chaw kaw lub gasket, vim nws nyiam cov av thiab ua rau lub foob tawg. TSIS TXHOB siv cov roj roj dav dav xws li WD-40, vim tias lawv cov kuab tshuaj ua rau roj hmab puas.
V. Lub Zeem Muag: Lub Yav Tom Ntej Loj ntawm Ib Feem Me Me
Raws li tus naj npawb ntawm cov tsheb fais fab tshiab txuas ntxiv nce siab (thaum kawg ntawm xyoo 2024, Tuam Tshoj tus kheej muaj EV tshaj 20 lab), qhov kev ntseeg tau thiab kev nyab xeeb rau cov chaw them hluav taws xob, cov hauv paus tseem ceeb, tab tom nce ntxiv. Txawm hais tias me me, cov thev naus laus zis roj hmab gasket kuj tseem hloov pauv:
- Kev Txhim Kho Khoom Siv: Tsim cov roj hmab tshiab los yog cov elastomers tshwj xeeb uas tiv taus qhov kub thiab txias heev (khov tob thiab kub heev), ruaj khov dua thaum laus, thiab zoo rau ib puag ncig (tsis muaj halogen, tiv taus hluav taws).
- Kev Sib Koom Tes Ntse: Tshawb nrhiav kev sib koom ua ke ntawm cov micro-switch sensors hauv lub gasket kom xa cov lus ceeb toom rau cov neeg siv apps lossis cov txheej txheem tswj kev them nyiaj yog tias lub hau tsis kaw kom zoo, txhim kho kev saib xyuas kev nyab xeeb.
- Kev Tsim Kho Kom Zoo: Siv kev sim thiab kev sim los txhim kho cov qauv gasket tas li, tsom mus rau lub neej ntev dua, kev ua haujlwm yooj yim dua (piv txwv li, yooj yim qhib ib txhais tes), thiab txo cov nqi tsim khoom thaum ua kom ntseeg tau tias kev ua haujlwm sealing zoo.
Thaum tsaus ntuj los txog thiab lub teeb ci ntsa iab hauv nroog, muaj ntau lub tsheb fais fab nyob ntsiag to ntawm cov pawg them fais fab. Thaum tsaus ntuj, cov roj hmab gaskets ua lawv txoj haujlwm ntsiag to, kaw cov dej noo, thaiv cov hmoov av, thiab tiv thaiv cov voj voog nyuaj hauv cov chaw nres nkoj. Lawv yog cov "neeg tiv thaiv," ntawm pawg them fais fab, tsim ib txoj kab tiv thaiv uas tsis pom tab sis ruaj khov tiv thaiv txhua qhov kev tawm tsam ntawm huab cua thiab kev hnav khaub ncaws ntawm kev siv txhua hnub.
Qhov sov so ntawm thev naus laus zis feem ntau nyob rau hauv cov ntsiab lus tsis tseem ceeb tshaj plaws. Lub gasket roj hmab me me no yog ib qho me me ntawm kev nyab xeeb thiab kev ntseeg siab hauv zaj dab neeg loj ntawm lub sijhawm tshiab. Nws ua rau peb nco qab tias kev thaj yeeb nyab xeeb tiag tiag feem ntau pom muaj nyob rau hauv cov neeg saib xyuas txhua hnub uas tsim los zoo heev.
Lub sijhawm tshaj tawm: Lub Yim Hli-12-2025