WCB, ko huunde ɓuuɓnde njamndi karbon jokkondirnde e ASTM A216 Grade WCB, ina yahra e peeje njuɓɓudi nguleeki ngam heɓde sifaaji mekanik potɗi, darnde dimensiyoŋaaji, e reentaade mborosaaji nguleeki. Les ɗo, siftorde laaɓnde e golle njuɓɓudi nguleeki tippudi WCBYD7A1X-16 Valve buubaajijolɗe:
...1. Ko adii fof...
- ...Ngida: Ngam ustude ɓuuɓri e haɗde ɓuuɓri e nder safaara nguleeki toowki caggal ɗuum.
- ...Laahal: Castings ina ɓuuɓnee seeɗa seeɗa e nder lowre toppitiinde haa nguleeki mum tolnii e300-400°C (572-752°F).
- ...Parametruuji teeŋtuɗi: Hakindo nguleeki ina jogaa e50-100°C/waktu (90-180°F/waktu)ngam tabitinde peccitagol nguleeki ngootiri.
...2. Austeniteer (Normalisaasiyoŋ) ....
- ...Ngida: Ngam homogeniseede mikroo-struktuur, laaɓtinde njaajeendi gabbe, e ɓuuɓnude karbiduuji.
- ...Laahal:
- Castings ina ɓuuɓnee haa nguleeki austenitizing890-940°C (1634-1724°F).
- Jogaama e ndee nguleeki ngamWaktuuji 1–2 e kala 25 mm (1 inch) teddeendi taƴrengam tabitinde waylo-waylo faɗo timmungo.
- Cooɗee e henndu ɓuuɓndu (normalizing) haa nguleeki suudu.
...3. Tempere...
- ...Ngida: Ngam ustude baasal heddiingal, ɓeydude tiiɗnaare, e dartinde mikroo-struktuur.
- ...Laahal:
- Caggal nde normaliseede, castings ina ɓuuɓnee haa nguleeki mum tolnii e590-720°C (1094-1328°F).
- Sokkii e ndee nguleeki ngamWaktuuji 1–2 e kala 25 mm (1 inch) teddeendi.
- Cooɗee e henndu walla cooɗee e furnaange e tolno toppitiiɗo ngam haɗde stres keso feeñde.
...4. Ƴeewndo caggal safaara...
- ...Ngida: Ngam hoolkisaade ɗooftagol jamirooje ASTM A216.
- ...Laahal:
- Teskuyaaji mekanik (yeru, semmbe ɓuuɓɗo, semmbe ƴellitaare, tiiɗnaare).
- Anndugol mikroo-struktuur ngam tabitinde ngootaagu e ŋakkeende ŋakkeende.
- Ƴeewte dimensiyoŋaaji ngam tabitinde darnde caggal safaara nguleeki.
...Jaɓɓungal cuɓangal (Keertinaangal)...
- ...Ko ustude baasal: Ngam joometiriiji caɗtuɗi, cirƴam ɓeydaɗam stres-relief ina waawi waɗeede to600-650°C (1112-1202°F)ngam ittude caɗeele heddiiɗe e masiŋaaji walla e wellitaare.
- ...Cooling Konngol: Ngam ɓuuɓri taƴre teddunde, ɓuuɓri coofgol ɓurndi leeltude (yeru, coofgol furnaange) ina waawi waɗeede e sahaa ɓuuɓri ngam ɓeydude ductility.
...Miijooji teeŋtuɗi...
- ...Weeyo Fuurnaange: Weeyo ngo alaa ko woni e mum walla ngo oksidaa seeɗa ngam haɗde dekarburizaasiyoŋ.
- ...Ko nanndi e nguleeki: ±10°C muñal ngam heɓde njeñtudi jokkondire.
- ...Binndanɗe: Rewindaade timmuɗo e parametruuji njuɓɓudi nguleeki (waktu, nguleeki, tolnooji coofgol) ngam tabitinde kalite.
Ngol laawol ina tabitinaTWS valve buubaaji gonɗi e nder ɓalnduɓaanduD341B1X-16e nder WCB castings ina hawra e sarɗiiji ASTM A216 ngam semmbe ɓuuɓgol (≥485 MPa), semmbe ɓuuɓgol (≥250 MPa), e juutgol (≥22%), ko ɗum waɗi ɗi ina mbaawi huutoreede e nguleeki toowki e nguleeki e nder valveeji, pompe, e njuɓɓudi tuubaaji.
DigaVALVE TWS, ko keɓtinaaɗo e peewnugolkaɓirgal jooɗiiɗo e valve buubaaji konsentrik YD37A1X, valve damal, peewnugol Y-filter.
Waktu posto: 02-02-2025
