Dab tsi yog cov khoom siv zoo rau cov pawm nres?
Nres pads feem ntau muab faib ua cov pawg hauv qab no: asbestos nres ncoo (tseem tshem tawm), ib nrab hlau nres nres, hlau-tsawg nres ncoo, NAO formula brake pads, ceramic nres ncoo, thiab NAO ceramic nres ncoo.
Ceramic brake pads yog qhov zoo tshaj plaws thiab feem ntau yog siv hauv cov tsheb ua kis las ua haujlwm siab.
Piv nrog rau lwm hom brakes, ceramic nres ncoo muaj cov hauv qab no zoo:
(1) Qhov sib txawv loj tshaj plaws ntawm ceramic nres ncoo thiab tsoos nres nres yog tias tsis muaj hlau. Hlau nyob rau hauv cov tsoos nres pads yog cov khoom tseem ceeb uas tsim kev sib txhuam, uas muaj lub siab braking quab yuam, tab sis hnav ntau heev thiab muaj suab nrov. Tom qab txhim kho ceramic nres ncoo, yuav tsis muaj qhov txawv txav (uas yog, khawb suab) thaum tsav tsheb. Vim tias cov khoom siv hluav taws xob ceramic tsis muaj cov khoom siv hlau, nws zam cov hlau clamor ntawm kev sib txhuam ntawm cov tsoos hlau nres ncoo thiab cov counterpart (uas yog, lub nres nres thiab nres nres).
(2) ruaj khov coefficient ntawm kev sib txhuam. Lub coefficient ntawm kev sib txhuam yog qhov tseem ceeb tshaj plaws Performance index ntawm cov khoom sib txhuam, uas muaj feem xyuam rau lub peev xwm ntawm lub nres nres. Thaum lub sij hawm lub braking txheej txheem, vim lub tshav kub generated los ntawm kev sib txhuam thiab qhov nce ntawm kev ua hauj lwm kub, cov khoom sib txhuam ntawm lub tshuab nres nres yog cuam tshuam los ntawm qhov kub thiab txias, thiab kev sib txhuam coefficient pib txo. Hauv kev siv tswv yim, kev sib txhuam quab yuam yuav raug txo, yog li txo cov nyhuv braking. Cov khoom siv sib txhuam ntawm cov khoom siv sib tsoo zoo tib yam yog qhov tsis paub tab, thiab kev sib txhuam coefficient siab dhau, ua rau tsis muaj kev nyab xeeb xws li kev tswj tsis tau, cov pa taws kub hnyiab, thiab khawb lub brake disc thaum lub sijhawm braking. Txawm hais tias qhov kub ntawm lub nres nres nce mus txog 650 degrees, qhov sib txhuam coefficient ntawm lub tshuab nres tsheb ceramic tseem nyob ib puag ncig 0.45-0.55, uas tuaj yeem ua kom lub tsheb muaj kev ua haujlwm zoo.
(3) Ceramics muaj thermal stability, tsis tshua muaj thermal conductivity, thiab zoo hnav tsis kam. Kev siv lub sijhawm ntev kub yog 1000 degrees. Cov yam ntxwv no ua rau cov ceramics haum rau kev ua haujlwm siab ntawm ntau yam khoom siv braking, thiab tuaj yeem ua tau raws li cov kev cai ntawm kev kub ceev nres, kev nyab xeeb, thiab hnav tsis kam.
(4) Nws muaj lub zog zoo txhua yam thiab lub cev muaj zog. Muaj peev xwm tiv taus siab dua thiab shear quab yuam. Ua ntej sib dhos thiab siv cov khoom siv sib txhuam, machining xws li drilling thiab sib dhos yog yuav tsum tau ua kom muaj kev sib txuas ntawm lub nres. Yog li ntawd, nws yuav tsum tau hais tias cov khoom sib txhuam yuav tsum muaj lub zog txhua yam kom ntseeg tau tias tsis muaj kev puas tsuaj los yog tawg tawg tshwm sim thaum ua los yog siv.
(5) Muaj tsawg thermal attenuation. Txawm hais tias thawj tiam ntawm cov khoom siv ceramic ntawm M09 cov khoom siv los yog cov khoom siv hluav taws xob thib plaub ntawm TD58, lawv tseem tuaj yeem xyuas kom meej tias lub tsheb muaj kev ua haujlwm zoo los xyuas kom muaj kev nyab xeeb, thiab qhov tshwm sim ntawm thermal attenuation ntawm lub nres nres yog me me heev. .
