NBR O-rings yog ib hom kev sib khi khoom siv feem ntau siv rau ntau yam kev lag luam thiab kev siv tshuab. Cov nplhaib no yog tsim los ntawm ib hom roj hmab hluavtaws hu ua nitrile-butadiene roj hmab, los yog NBR. Cov khoom no paub txog nws zoo heev tiv thaiv cov roj thiab roj, nrog rau nws muaj peev xwm tswj tau nws cov khoom nyob rau hauv ntau qhov kub thiab txias.
NBR O-rings yog tsim los muab kev ruaj ntseg, tsis muaj kev sib khi ntawm ob qhov chaw sib txuas. Lawv feem ntau yog siv rau hauv cov ntawv thov uas yuav tsum muaj cov kua dej lossis roj, xws li hauv cov twj, li qub, thiab cov tshuab hydraulic. Cov rings yog ncig nyob rau hauv cov duab, nrog ib tug puag ncig cross-section, thiab feem ntau yog ntsia rau hauv ib tug zawj ntawm ib qho ntawm cov mating nto.
Ib qho txiaj ntsig tseem ceeb ntawm NBR O-rings yog lawv lub peev xwm los tiv thaiv ntau qhov kub thiab txias. Cov nplhaib no feem ntau tuaj yeem ua haujlwm hauv qhov kub ntawm -40 degree mus rau 120 degree, ua rau lawv haum rau siv ntau qhov chaw. Tsis tas li ntawd, NBR O-rings tuaj yeem tiv taus ntau yam tshuaj, suav nrog roj, roj, thiab cov kua dej hydraulic, ua rau lawv zoo tagnrho rau siv rau hauv cov ntawv thov uas muaj cov tshuaj no.
NBR O-rings muaj nyob rau hauv ntau qhov ntau thiab tsawg thiab cov duab kom haum rau kev siv sib txawv. Lawv tuaj yeem yuav hauv qhov ntau thiab tsawg lossis kev cai tsim kom haum rau cov kev xav tau tshwj xeeb. Cov duab zoo ib yam muaj xws li puag ncig, square, thiab duab plaub, nrog qhov ntau thiab tsawg ntawm tsuas yog ob peb millimeters mus txog ob peb meters hauv txoj kab uas hla.
Khoom siv |
EPDM |
Hardness |
50 ~ 90 Ntug A, Feem ntau 70 |
Xim |
Feem ntau Dub |
Loj |
AS568, GB / T 3452.1, Metric Standard |
Qhov kub thiab txias |
-40 ~ 125 degree |
Thaum xaiv NBR O-rings rau ib daim ntawv thov tshwj xeeb, nws yog ib qho tseem ceeb uas yuav tau xav txog yam xws li qhov kub thiab txias, tshuaj tiv thaiv, thiab qhov loj thiab cov duab ntawm lub nplhaib. Nws tseem yog ib qho tseem ceeb los xyuas kom meej tias lub nplhaib raug ntsia kom raug, nrog rau lub lubrication thiab compression kom zoo, kom ntseeg tau tias muaj kev ruaj ntseg foob.
NBR O-rings paub txog lawv cov kav ntev thiab ua haujlwm ntev. Lawv yog cov resistant rau puas, tearing, thiab compression teeb, thiab feem ntau tuaj yeem siv tau ntau xyoo yam tsis tas yuav hloov. Txawm li cas los xij, nws yog ib qho tseem ceeb uas yuav tau saib xyuas cov xwm txheej ntawm lub nplhaib thaum lub sij hawm thiab hloov lawv yog tias lawv puas los yog hnav.
Zuag qhia tag nrho, NBR O-rings yog ntau yam thiab txhim khu kev qha sealing kev daws teeb meem uas tuaj yeem siv rau ntau yam kev lag luam thiab kev siv tshuab. Nrog rau lawv cov tshuaj tiv thaiv zoo heev, qhov kub thiab txias, thiab ua haujlwm ntev, cov nplhaib no muab cov kev daws teeb meem zoo thiab siv tau ntev rau ntau yam khoom siv thiab tshuab.