O-ring (tseem hu ua O-ring, O-ring, foob roj foob, thiab lwm yam) yog ib qho kev sib foob, dav siv hauv tshuab, tsheb, hluav taws xob, tshuaj, aerospace, pneumatic twj, ntsuas twj, twj tso kua mis. thiab lwm qhov chaw, siv los kaw cov kua, roj, plua plav thiab lwm yam xov xwm.
Linde Polymer qhia rau koj tias tsab xov xwm no yuav nthuav dav lub ntsiab lus, cov khoom siv, cov txheej txheem tsim khoom, thaj chaw thov, cov qauv kev sib khi, lub neej thiab kev teeb tsa ntawm O-rings, thiab muab cov lus pom zoo rau kev xaiv qhov loj me.
Kev txhais ntawm O-rings
O-ring foob yog ib hom nplhaib foob, nws cov hlaws yog puag ncig lossis oval, feem ntau yog ua los ntawm cov ntaub ntawv elastic xws li roj hmab, silicone, fluoroelastomer, thiab lwm yam. O-ring seals muaj cov yam ntxwv ntawm kev sib khi zoo, hnav thiab corrosion. tsis kam, siab thiab tsis kub tsis kam thiab roj tsis kam, thiab tau dav siv nyob rau hauv ntau yam khoom siv kho tshuab thiab kev lag luam.
Khoom siv ntawm O-ring seals
Cov ntaub ntawv ntawm O-ring seals feem ntau muaj xws li roj hmab, silicone, fluororubber, nitrile roj hmab, ethylene propylene roj hmab, thiab lwm yam. O-rings ntawm cov ntaub ntawv sib txawv muaj cov yam ntxwv sib txawv thiab kev siv, raws li qhia hauv qab no:
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Khoom siv |
Yam ntxwv |
Scope ntawm daim ntawv thov |
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roj hmab |
Hnav thiab corrosion kuj, zoo roj kuj, tsis zoo siab thiab kub tsis kam |
Cov cuab yeej siv dav dav, cov twj tso dej, tsheb |
|
silica gel |
Zoo siab thiab tsis kub tsis kam, zoo oxidation kuj, hluav taws xob tsis kam |
Khoom noj khoom haus, khoom siv kho mob, khoom siv semiconductor |
|
Fluoroelastomer |
Kev kub siab ua haujlwm zoo, tshuaj lom neeg ua haujlwm, roj ua haujlwm zoo |
Tshuaj, roj av, aerospace, khoom siv kho mob |
|
nitrile roj hmab |
Zoo roj kuj, hnav tsis kam thiab corrosion kuj, zoo siab thiab kub tsis kam |
Petroleum, tshuaj, tsheb, nkoj tsim |
|
Ethylene propylene roj hmab |
Hnav thiab corrosion kuj, zoo oxidation kuj, zoo elasticity |
Cov cuab yeej siv dav dav, hluav taws xob, kev sib txuas lus, rooj tog zaum |
Kev tsim cov txheej txheem ntawm O-rings
Cov txheej txheem tsim khoom ntawm O-ring seals (tseem hu ua O-rings, O-rings, foob roj foob, thiab lwm yam) feem ntau suav nrog peb txoj kev: extrusion molding, compression molding thiab txhaj tshuaj molding. Extrusion molding yog hais txog extrusion ntawm roj hmab strips rau hauv lub voj voog, ces txiav mus rau hauv ib qho ntev, thiab tom qab ntawd molded. Compression molding yog cov ntawv roj hmab tom qab txiav, sib txuas, compression molding. Kev txhaj tshuaj molding yog los ua cov khoom siv roj hmab yas thiab txhaj rau hauv pwm, thiab tsim O-ring foob tom qab kub thiab siab.
Kev siv thaj chaw ntawm O-rings
O-rings yog dav siv nyob rau hauv machinery, automotive, hluav taws xob fais fab, tshuaj, aerospace thiab lwm yam teb. Nws daim ntawv thov scenarios tseem ceeb suav nrog cov hauv qab no:
1. Mechanical teb
O-rings yog dav siv nyob rau hauv ntau yam khoom siv kho tshuab, xws li twj tso kua mis, compressors, cav, kis tau tus mob, tsav shafts, thiab lwm yam.
2. Automotive teb
Ntau lub tshuab hydraulic thiab roj hluav taws xob tau koom nrog hauv tsheb, thiab O-rings tau siv dav hauv cov cav, kev sib kis, nres tshuab, lub kauj thiab lwm yam khoom.
3. Fais fab sector
O-rings yog dav siv nyob rau hauv ntau yam khoom siv hluav taws xob, xws li transformers, keyboards, plugs, thiab lwm yam.
4. Kev lag luam tshuaj
O-rings yog siv dav hauv cov kav dej tshuaj, ntim khoom, twj, li qub thiab lwm yam khoom siv, suav nrog kev sib khi hauv kev thauj mus los thiab kev tswj hwm ntawm ntau yam kua, gases thiab chav.
5. Aerospace teb
O-rings yog dav siv nyob rau hauv ntau yam hydraulic systems, roj Circuit Court systems, roj systems thiab lwm yam khoom nyob rau hauv lub aerospace teb.
Sealing txoj cai ntawm O-ring
Lub hauv paus ntsiab lus ntawm kev sib khi ntawm O-ring seals (tseem hu ua O-rings, O-rings, foob roj foob, thiab lwm yam) feem ntau yog nyob ntawm lawv cov elastic deformation thiab compression deformation kom ua tiav. Thaum O-ring ntsia rau hauv qhov sib khi zawj, nws cov ntu ntu ntu qhia tau hais tias muaj qee qhov compression teeb, yog li tsim kom muaj zog compression thiab kev sib txhuam kom ua tiav lub hom phiaj ntawm kev sib khi. Nyob rau hauv qhov kev txiav txim ntawm nruab nrab siab, lub nplhaib sealing yuav undergo elastic deformation, uas ntxiv txhim khu lub sealing nyhuv.
Lub neej ntawm O-rings
Lub neej ntawm O-rings yog ze ze rau cov khoom siv, kev ua haujlwm ib puag ncig, kev ua haujlwm thiab lwm yam. Feem ntau, O-rings tuaj yeem nyob ntawm xyoo mus rau kaum xyoo. Txhawm rau txuas ntxiv lub neej ntawm O-ring, cov ntsiab lus hauv qab no yuav tsum tau sau tseg:
1. Xaiv cov khoom tsim nyog
Cov ntaub ntawv sib txawv muaj cov yam ntxwv sib txawv ntawm kev ua haujlwm thiab kev ua haujlwm ntawm kev siv. Thaum xaiv O-rings, cov ntaub ntawv tsim nyog yuav tsum raug xaiv raws li qhov chaw ua haujlwm tshwj xeeb thiab kev tshaj tawm xov xwm kom ntseeg tau tias lawv hnav zoo thiab corrosion tsis kam, siab thiab kub tsis kam thiab roj kuj.
2. Tsis txhob overloading
O-rings (tseem hu ua O-rings, O-rings, foob roj foob, thiab lwm yam) yuav tsum tsis txhob ua haujlwm ntau dhau thaum ua haujlwm los tiv thaiv lawv los ntawm kev raug siab thiab deformation, yog li txo lawv lub neej.
3. Tsis txhob muaj compression ntau dhau
Thaum txhim kho O-rings, kev saib xyuas yuav tsum tsis txhob over-compress lawv kom tsis txhob deformation ntau dhau thiab puas.
4. Kev saib xyuas tsis tu ncua
Tsis tu ncua tshuaj xyuas thiab hloov O-rings puas, huv si sealing grooves thiab sealing nto kom tswj tau lawv cov sealing zoo.
Xaiv qhov loj me
Xaiv qhov loj me ntawm O-rings (tseem hu ua O-rings, O-rings, foob roj foob, thiab lwm yam) yog ib qho tseem ceeb hauv kev ua kom nws cov sealing kev ua tau zoo. Nov yog cov lus pom zoo rau kev xaiv qhov loj me:
1. Txiav txim siab qhov loj ntawm qhov sib khi zawj
Ua ntej xaiv O-ring, nws yog ib qho tsim nyog los txiav txim siab qhov loj thiab cov duab ntawm lub qhov sib khi. Qhov luaj li cas ntawm lub sealing zawj yuav tsum phim qhov loj ntawm lub nplhaib sealing los xyuas kom meej tias lub sealing zawj tuaj yeem ua tiav tiav tom qab lub nplhaib sealing.
2. Ntsuas lub cheeb thiab qhov tob ntawm lub sealing zawj
Thaum ntsuas txoj kab uas hla thiab qhov tob ntawm lub sealing zawj, nws yog ib qho tsim nyog yuav tsum tau them sai sai rau qhov ntsuas txoj hauj lwm yuav tsum yog nyob rau hauv lub sealing groove.