WCB, thepa ea ho lahla tšepe ea khabone e lumellanang le ASTM A216 Grade WCB, e feta ts'ebetsong e tloaelehileng ea kalafo ea mocheso ho fihlela litšobotsi tse hlokahalang tsa mechini, botsitso ba boholo, le ho hanyetsa khatello ea mocheso. Ka tlase ke tlhaloso e qaqileng ea mokhoa o tloaelehileng oa kalafo ea mocheso bakeng sa WCB.YD7A1X-16 Valve ea Serurubeleho lahla:
1. Ho futhumatsa
- Morero: Ho fokotsa maemo a mocheso le ho thibela ho petsoha nakong ea kalafo e latelang ea mocheso o phahameng.
- TshebetsoLi-castings li futhumatsoa butle-butle ka ontong e laoloang ho fihlela mochesong o phahameng oa300–400°C (572–752°F).
- Liparamente tsa BohlokoaSekhahla sa ho futhumatsa se bolokoa ho50–100°C/hora (90–180°F/hora)ho netefatsa kabo e ts'oanang ea mocheso.
2. Ho matlafatsa (Ho etsa hore lintho li be boemong bo tloaelehileng)
- Morero: Ho kopanya sebopeho sa micro, ho ntlafatsa boholo ba lijo-thollo, le ho qhala lik'habohaedreite.
- Tshebetso:
- Li-castings li futhumatsoa ho fihlela mochesong o matlafatsang oa890–940°C (1634–1724°F).
- E bolokiloe mochesong ona bakeng saLihora tse 1-2 ka 25 mm (inch e le 'ngoe) ea botenya ba karoloho netefatsa phetoho e felletseng ea mohato.
- E phodisitsoe moeeng o sa sisinyeheng (o etsang hore e be boemong bo tloaelehileng) ho fihlela mochesong oa kamore.
3. Ho leka-lekanya
- Morero: Ho imolla likhatello tse setseng, ho ntlafatsa ho tiea, le ho tsitsisa sebopeho sa microstructure.
- Tshebetso:
- Kamora ho normalize, di-castings di futhumatswa hape ho fihlela mochesong o batang wa590–720°C (1094–1328°F).
- E kolobisitsoe mochesong ona bakeng saLihora tse 1-2 ka botenya ba 25 mm (inch e le 'ngoe).
- E phodiswa moeeng kapa ka ontong ka lebelo le laolwang ho thibela ho thehwa ha kgatello e ntjha.
4. Tlhahlobo ea Kamora Kalafo
- Morero: Ho netefatsa ho latela maemo a ASTM A216.
- Tshebetso:
- Teko ea mechine (mohlala, matla a ho thapolla, matla a ho ikatisa, ho thatafala).
- Tlhahlobo ea sebopeho sa microstructure ho netefatsa hore ho na le ho tšoana le ho se be le likoli.
- Liteko tsa litekanyo ho netefatsa botsitso ba kalafo ea kamora mocheso.
Mehato ea Boikhethelo (E Ikhethang ka Nyeoe)
- Ho Imolla Khatello ea KelelloBakeng sa li-geometri tse rarahaneng, potoloho e eketsehileng ea ho imolla khatello ea maikutlo e ka etsoa ho600–650°C (1112–1202°F)ho felisa likhatello tse setseng tse bakoang ke ho sebetsa ka machining kapa ho tjheseletsa.
- Pholiso e Laoloang: Bakeng sa ho lahla ha di-cast tse teteaneng, sekgahla sa ho phodisa se liehang (mohlala, ho phodisa ha sebopi) se ka sebediswa nakong ya ho futhumatsa ho ntlafatsa ho ductility.
Lintlha tsa Bohlokoa
- Sepakapaka sa Sebōpi: Sepakapaka se sa nke lehlakore kapa se oksidang hanyane ho thibela ho tlosoa ha khase.
- Ho Tšoana ha Thempereichara: Mamello ea ±10°C ho netefatsa liphetho tse tsitsitseng.
- Litokomane: Ho latela ka botlalo diparamente tsa kalafo ya mocheso (nako, mocheso, sekgahla sa ho phodisa) bakeng sa netefatso ya boleng.
Ts'ebetso ena e netefatsaTWS valve ea serurubele e shebaneng'meleD341B1X-16ho di-casting tsa WCB di fihlela ditlhoko tsa ASTM A216 bakeng sa matla a ho thapolla (≥485 MPa), matla a tlhahiso (≥250 MPa), le ho lelefala (≥22%), e leng se etsang hore di lokele tshebediso ya mocheso o phahameng le kgatello di-valve, dipompong le ditsamaisong tsa diphaephe.
Ho tloha hoVALVE EA TWS, motho ea nang le boiphihlelo ba ho hlahisarabara e lutseng ka har'a valve ea serurubele e otlolohileng YD37A1X, valve ea heke, tlhahiso ea Y-strainer.
Nako ea poso: Mmesa-02-2025
