Soo saaraha gariiradda qabowga duuban, kaydiye, alaab-qeybiyaha 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 heerkulka qolka caadiga ah.Birta-qabowgu waxay bixisaa awood sare iyo mashiin.Go'yaal qabow oo duuban ayaa caadi ahaan loo isticmaalaa alaabada la farsameeyay halkaas oo dulqaad adag, xoog saarid, toosnaan iyo sagxadaha daboolan loo baahan yahay.
Birta qabow-duuban waxaa lagu soo saaraa warshado dhimis qabow 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, xoogga saarista, 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 lagu dabaqay dalal kala duwan si loo dejiyo shuruudaha birta qabow-duuban, sida EN 10130, EN 10268, EN 10209, ASTM A1008 / A1008M, DSTU 2834, GOST 16523, GOST 9045, GOST 17066 iyo kuwa kale cabbirka cabbirka gariiradda qabow-rogid, codsigooda (profiling, samaynta qabow, enamelling, isticmaalka guud, iwm), sifooyinka farsamo, tayada dusha iyo xuduudaha kale.
3.Gariiradaha qabow-duuban sida waafaqsan heerarka Yurub
Heerarka Yurub ee ugu badan ee la raaco ee soo saarista gariiradaha qaboojiyaha waa EN 10130, EN 10268 iyo EN 10209.
EN 10130 waxaa lagu dabaqaa gariiradaha qabow-duuban ee laga sameeyay kaarboon-hooseeya DC01, DC03, DC04, DC05, DC06 iyo DC07 darajooyinka birta ee samaynta qabowga oo aan dahaadh lahayn, oo leh ballac ugu yar ee 600 mm iyo ugu yaraan 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 dhisidda mishiinnada, alaabta macaamiisha, dhismaha, baabuurta.Marka ay timaado warshadaha dhismaha, gariiradaha qabow-rogid ayaa inta badan loo isticmaalaa in lagu soo saaro walxaha wejiga, qaababka birta, foorarsan oo xiran iyo profiles 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 | Ugu yaraan % | 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