Dab tsi yog brake pad kev sib txhuam khoom
Nres pads tseem hu ua brake pads, thiab lub luag haujlwm tseem ceeb ntawm cov khoom siv sib txhuam yog kev sib txhuam nrog qhov chaw ntawm lub nres nres thaum lub tsheb nres kom ua tiav cov nyhuv braking. Yog li ntawd, nws yog qhov tsim nyog los ua qhov tseem ceeb tshaj plaws ntawm cov qauv nres tsheb.
Feem ntau, cov khoom siv sib txhuam ntawm cov ntaub thaiv npog yog tsim los ntawm 4 qhov chaw, cov khoom siv yooj yim, cov khoom ntim, cov khoom sib tsoo thiab cov fiber ntau. Qhov kev faib ua feem ntawm cov khoom siv hauv cov khoom sib txawv txawv, nyob ntawm daim ntawv thov thiab coefficient ntawm kev sib txhuam. Tsis tas li ntawd, cov ntaub ntawv sib txhuam siv los ntawm cov qib sib txawv ntawm lub tsheb thiab cov disc nres thiab lub nruas nres tsis zoo ib yam. Rau daim ntawv sib txhuam nres, qhov tseem ceeb tshaj plaws yog cov qauv ntawm cov khoom sib txhuam. Qhov kawg tshwm sim, hnav tsis kam, kub tsis kam thiab lwm yam khoom ntawm lub nres nres yuav nyob ntawm qhov sib piv ntawm cov khoom sib txawv.
Tam sim no, cov ntaub ntawv sib txhuam ntawm kev ua lag luam tuaj yeem muab faib ua plaub yam los ntawm cov khoom siv yooj yim: asbestos, semi-hlau, qis hlau, NAO ceramic formula (uas yog, asbestos-dawb organic teeb meem hom). Cia peb saib ntawm cov nres nres ntawm cov khoom sib txawv.
01 Asbestos formula: Nws tau raug txwv vim ib puag ncig.
02 Semi-metal mix material formula: "semi-metal" mix brake pads mas siv 30-50% "black metal" ua fiber ntau reinforcing thiab ib qho tseem ceeb sib tov. Lub ntsiab kom zoo dua yog nyob rau hauv nws zoo heev tshav kub dissipation muaj peev xwm thiab zoo thermal decay kev ua tau zoo. Txawm li cas los xij, vim tias qhov hardness yog qhov siab, nws yooj yim los tsim suab nrov.
03 Tsawg hlau sib xyaw nres ncoo: "tsawg hlau" sib tov nres pads yog tsim los ntawm cov hlau dub thiab cov hlau tsis muaj hlau tsis pub dhau 10% raws li cov khoom siv fiber ntau. Lub ntsiab zoo: nruab nrab hardness, zoo braking kev nplij siab, siab braking rhiab heev, tsis tshua muaj suab nrov braking.
04 Ceramic formula: NAO / ceramic mis yog qhov kev txhim kho tam sim no ntawm kev sib txhuam ntawm cov khoom siv mis kev tshawb fawb thiab kev loj hlob. Thaum NAO formulations tau tsim los hloov cov khoom siv asbestos ib txwm siv, feem ntau yog siv iav fiber ntau, aramid fibers lossis lwm cov fibers (carbon, ceramics, thiab lwm yam) ua cov khoom siv ntxiv.
Qhov zoo ntawm NAO / ceramic mis yog qhov zoo nres kev nplij siab, tsis tshua muaj suab nrov, lub neej ua haujlwm ntev, thiab ntau huv si thiab ib puag ncig zoo. Txawm li cas los xij, vim yog cov yam ntxwv ntawm cov khoom siv nws tus kheej, lub zog nres yog qhov tsawg, thiab nws feem ntau yog siv hauv Japanese thiab Korean qauv; Qee cov qauv hnyav xws li European thiab Asmeskas lub tsheb tsis haum rau cov mis mos ceramic.
