Soo saaraha gariiradda qabowga duuban, haye, alaab-qeybiye CRCDhoofinta gudahaSHIINAHA.
- Waa maxay gariiradda qabow ee duuban
Gariiradda qabow ee duuban, sidoo kale loo yaqaan CRC, waa nooc ka mid ah alaabada birta ah oo ka samaysan bir fidsan oo kulul oo lagu garto dhumucyo yaryar iyo codsiyo gaar ah.
Birta qabow-duuban waxa loola jeedaa birta-kaarboon-yar ee ay soo saarto hab “rogid qabow” oo lagu farsameeyo heer-kulka qolka u dhow.Birta-qabowgu waxay bixisaa awood sare iyo mashiin.Go'yaal qabow-duuban ayaa badanaa loo isticmaalaa alaabada la farsameeyay halkaas oo dulqaad adag, feejignaan, toosnaan iyo sagxadaha daboolan loo baahan yahay.
Birta qabow-duuban waxaa lagu soo saaraa warshado dhimis qabow ah halkaas oo walxaha lagu qaboojiyo meel ku dhow heerkulka qolka, oo ay ku xigto nuugista iyo/ama xanaaqa.Habkani waxa uu soo saaraa bir leh noocyo kala duwan oo dusha sare ah oo ka sarreeya dulqaadka, xoojinta, iyo toosnaanta marka la barbardhigo birta kulul ee kulul.Birta qabow-duuban waxay ka kooban tahay kaarboon yar, iyo habka nuugista ayaa ka jilicsan xaashida kulul.Alaabooyinka birta ah ee qabow-duuban waxaa badanaa lagu soo saaraa go'yaal, xariijimo, baararka iyo ulo.
2.Kala soocida gariiradda qabow-duuban, kala duwanaanta alaabta iyo guryaha
Heerarka ayaa lagu dabaqay dalal kala duwan si loo dejiyo shuruudaha birta qabow, sida EN 10130, EN 1026M, GSTE 9045, GST 9065, GST 9066, ayaa qeexaya fasalada birta iyo Cabbirku wuxuu udhaxeeya xirmooyinka qabow ee qabow, codsigooda (caqabadeynta, qaabeynta qabow, la istcimaalo, isticmaalka guud, guryaha farsamada, tayada dusha sare iyo cabir kale.
3.Gariiradaha qabow-duuban sida waafaqsan heerarka Yurub
Heerarka Yurub ee inta badan la raaco ee soo saarista gariiradaha qabow-duuban waa EN 10130, EN 10268 iyo EN 10209.
EN 10130 waxaa lagu dabaqayaa xirmooyinka qabow ee laga sameeyay kaarboon-yar-yar-yar-yar oo ah dc01, DC04, DC05, DC06 iyo DC04 DC04 iyo DC04 iyo DC04, oo leh ballaca ugu yar oo ah 600 mm iyo dhumuc yar oo ah 0.35 mm.
4.Astaamaha gariiradda qabow ee duuban
Astaamaha ugu muhiimsan ee gariiradaha qabow-duuban waxaa ka mid ah dulqaadka cabbirka saxda ah, sifooyinka farsamada ee la xoojiyey, iyo tayada dusha sare ee ka wanaagsan xaashida kulul.
Duubista qabowgu waxa kale oo ay suurtogal ka dhigtaa in la sameeyo bir dhuuban oo aan lagu soo saari karin warshado kulul.Warshadaha ugu waaweyn ee lagu isticmaalo gariiradaha qaboojiyaha waxaa ka mid ah dhismaha mishiinada, alaabta macaamiisha, dhismaha, baabuurta.Markay timaado warshadaha dhismaha, xargaha qabow ee la duudduubay ayaa inta badan loo isticmaalaa in lagu soo saaro walxaha FARAde, qaabdhismeedka birta, oo la xiray oo furan, iwm.
JINBAICHENG sahaydaballaaran ayaa kuu soo bandhigaya si aad u wanaajiso badeecadaada iyo hababkaaga labadaba.
Heerka birta | Tayada dusha sare | Re | Rm | A80 | r90 | n90 | Falanqaynta Ladle | ||||
MPa | MPa | Min% | Min | Min | ugu badnaan % | Р, max % | S max % | mn max % | Ti max % | ||
DC01 | A | -/280 | 270/410 | 28 | - | - | 0.12 | 0.045 | 0.045 | 0.60 | - |
B | |||||||||||
DC03 | A | -/240 | 270/370 | 34 | 1.3 | - | 0.10 | 0.035 | 0.035 | 0.45 | - |
B | |||||||||||
DC04 | A | -/210 | 270/350 | 38 | 1.6 | 0.180 | 0.08 | 0.030 | 0.030 | 0.40 | - |
B | |||||||||||
DC05 | A | - / 180 | 270/330 | 40 | 1.9 | 0.200 | 0.06 | 0.025 | 0.025 | 0.35 | - |
B | |||||||||||
DC06 | A | -/170 | 270/330 | 41 | 2.1 | 0.220 | 0.02 | 0.020 | 0.020 | 0.25 | 0.3 |
B | |||||||||||
DC07 | A | - / 150 | 250/310 | 44 | 2.5 | 0.230 | 0.01 | 0.020 | 0.020 | 0.20 | 0.2 |
B |
Waqtiga boostada: Sebtembar-08-2022