Technical specification ntawm Friction Material thiab cuam tshuam d standard rau Nres Pads
Feem ntau nyob rau hauv thiaj li yuav ua tau lub nres nres nyob rau hauv raws li tau teev tseg Standards uas qhov teeb meem los ntawm lub National Standard Organization thiab kuj cov Standards txhais los ntawm automotive chaw tsim tshuaj paus:
Nres pads yog deviated rau 4 pawg tseem ceeb hais txog kev sib txhuam cov ntaub ntawv uas siv los tsim lawv.
1- Hlau Nres Nres: Cov khoom tseem ceeb yog tsim los ntawm cov hlau thiab hlau alloy.
2- Semi Hlau Nres Nres Pads: Cov khoom tseem ceeb yog kev sib xyaw ntawm cov xov paj hlau thiab cov ntxhia thiab cov khoom siv organic.
3- Tsawg hlau Nres Nres Nres: Cov Khoom Siv Yooj Yim yog tsim los ntawm cov khoom siv hlau tsawg thiab cov hmoov hlau.
4- Organic Brake Pads: Cov khoom tseem ceeb yog tsim los ntawm cov xov paj uas tsis yog xim hlau (mineral thiab organic)
Niaj hnub no, cov khoom siv kev sib txhuam ntawm pawg 1, 2 yog siv tsawg dua li pawg 3 thiab 4, vim tias kev yaig uas tshwm sim hauv Nres Nres, cov hlau tsis tshua muaj hlau thiab cov khoom siv organic tau siv ntau dua hauv kev nyiam .Cov khoom sib txhuam yog tsim los ntawm cov khoom sib txawv ntawm cov hlau thiab cov khoom tsis yog hlau. (mineral thiab organic) uas yog tsim los nrog cov feem pua ntawm cov khoom sib txawv thiab yuav tsum muaj cov yam ntxwv tshwj xeeb tom qab cov txheej txheem ntau lawm. Cov yam ntxwv no yuav tsum tau lees paub thiab tseem lees paub los ntawm cov khoom tau hais los ntawm National Standard Organization.
1- Brakes hardness: raws li JIS D 4421 Standard 40-80 (HRS)
2- Porosity : raws li JIS D 4418 Standard 12 feem pua -18 feem pua
3- Compressibility: raws li ISO 6310 Txuj
chav tsev kub ‹ 2 feem pua
chav tsev kub ‹ 5 feem pua
4- Coefficient ntawm tshav kub expansion: raws li ISO 6313 Max 1 feem pua
5- PH : Raws li JIS K 6911 10-13 6- Ceev : Raws li JIS D 4418 2.53-2.71 g/cm3
7- Coefficient kev sib txhuam : raws li National Standard
ISIRI586 0.35-0.45
SAE J 661 FF
SAE J 866
7-1- Qhov feem pua ntawm kev tso cai sib txawv los ntawm kev sib txhuam coefficient hauv qhov ntsuas los ntawm
nws qhov nruab nrab hauv thawj thiab thib ob qhov kev xeem ntawm yuav tsum yog Max ± 20 feem pua
7-2- Qhov feem pua ntawm kev tso cai sib txawv ntawm kev sib txhuam coefficient hauv qhov ntsuas los ntawm nws
Qhov nruab nrab hauv thawj thiab thib ob qhov ntsuas kub yuav tsum yog Max ± 30 feem pua
7-3- Qhov feem pua ntawm kev tso cai sib txawv µ hauv qhov ntsuas los ntawm nws qhov nruab nrab hauv thawj
thiab kev xeem thib ob yuav tsum yog Max ± 20 feem pua
7-4- Qhov siab tshaj plaws tshwj xeeb yaig 4.56*10-6 g/Nm
8- Tsis muaj suab nrov thaum nres hauv kev sim teb
9- Shear zog raws li National Standard ISIRI 2798
3 N / mm2 Tsawg dua lossis sib npaug ntawm lub zog shear: chav tsev kub
2.25 N / mm2 Tsawg dua los yog sib npaug rau shear zog 300 C kub
10-Kev siv txhua yam khoom siv Asbestos raug txwv
11- txwv tsis pub siv Plumbed ID
