Dab Tsi Xuas Nkees? Dab Tsi Muaj Lub Nres Lej Txhais Tau?
Cov txheej hauv ntu no feem ntau yog ua hauv qab phaj, ib txheej pob rwb thaiv tsev kub thiab txheej txheem txhuam. Thaum tshav kub kub rwb thaiv tsev txheej yog tsim ntawm cov ntaub ntawv tsis zoo thermal conductivity thiab cov ntaub ntawv tsis muaj zog. Kev txhuam txheej yog tuaj ntawm cov txheej txheem cov khoom, cov nplaum thiab cov nqus dej (cov txhuam kev sib tw ua haujlwm).
Rau cov kab sib txuas, qhov tseem ceeb tshaj yog qhov kev xaiv ntawm cov khoom siv txhuam, uas yog txiav txim siab qhov kev ua tau zoo ntawm lub laj kab lub tsheb.
Cov khoom tseem ceeb uas yuav tsum tau muaj ntawm kev sib tsoo nres yog: hnav tsis kam, kev sib txhuam loj, thiab kev ua tau zoo rau kev ua haujlwm kub rwb thaiv tsev.
Raws li tus txheej txheem sib txawv ntawm tus brake, cov kab kev sib tsoo muaj peev xwm muab faib ua kom pom cov kab nrig nres thiab nruas hauv ob sab phlu nres.
Raws li cov ntaub ntawv tsim khoom sib txawv, muaj peb hom: asbestos, semi-hlau thiab organic (NAO).
1. Lub ntsiab kom zoo ntawm cov ntawv asbestos yog pheej yig. Nws qhov tsis zoo yog: nws tsis tau raws li kev tiv thaiv ib puag ncig kev tiv thaiv niaj hnub; asbestos tsis zoo thermal conductivity.
2. Semi-metallic compound nres sab hauv ob sab phlu: mas siv cov hlau ntxhib uas muaj zog ua kom muaj zog fiber ntau thiab cov khoom sib xyaw tseem ceeb. Qhov tau txais txiaj ntsig zoo yog: lub tshuab hluav taws xob kub vim nws zoo thermal conductivity. Qhov tsis zoo yog tias lub siab dua qhov nres yuav tsum ua kom tiav cov braking zoo ib yam, tshwj xeeb tshaj yog nyob rau hauv qhov chaw qis qis nrog cov ntsiab lus ntawm cov hlau siab, uas yuav hnav tawm tus nres thiab ua kom nrov nrov dua.
3. Tsis-asbestos organic NAO nres pads: tsuas yog siv iav fiber ntau, ntxhiab polyamide fiber ntau lossis lwm cov fibers (carbon, ceramic, thiab lwm yam) raws li cov khoom txhawb ntxiv.
Lub ntsiab zoo ntawm NAO discs yog: tswj cov braking zoo tsis hais kub lossis siab kub, txo hnav, txo suab nrov, thiab txuas ntxiv lub neej kev pab cuam ntawm nres discs.
Sijhawm Tshaj Tawm: Nov-23-2020