I-WCB, into yokubumba intsimbi yekhabhoni ehambelana ne-ASTM A216 Grade WCB, idlula kwinkqubo yonyango lobushushu esemgangathweni ukuze kufezekiswe iipropati zoomatshini ezifunekayo, uzinzo olulinganayo, kunye nokumelana noxinzelelo lobushushu. Apha ngezantsi kukho inkcazo eneenkcukacha yomsebenzi oqhelekileyo wonyango lobushushu lwe-WCB.YD7A1X-16 Ivalvu yebhabhathaneukuphoswa kwezinto:
1. Ukufudumeza
- Injongo: Ukunciphisa i-thermal gradients kunye nokuthintela ukuqhekeka ngexesha lonyango olulandelayo lobushushu obuphezulu.
- InkquboIi-castings zifudunyezwa kancinci kwi-oven elawulwayo ukuya kutsho kubushushu obuqhelekileyo300–400°C (572–752°F).
- Iiparameters eziphambiliIzinga lokufudumeza ligcinwa kwi50–100°C/iyure (90–180°F/iyure)ukuqinisekisa ukusasazwa kobushushu obufanayo.
2. Ukuqinisa (Ukulungisa)
- Injongo: Ukulungelelanisa isakhiwo se-microstructure, ukuphucula ubungakanani bengqolowa, kunye nokunyibilikisa ii-carbides.
- Inkqubo:
- Ii-castings zifudunyezwa ukuya kubushushu obuzinzayo be-890–940°C (1634–1724°F).
- Igcinwe kolu bushushu kangangexeshaIiyure ezi-1–2 nge-25 mm (1 intshi) yobukhulu becandeloukuqinisekisa utshintsho olupheleleyo lwesigaba.
- Ipholiswe emoyeni opholileyo (itshintsha ibe yimeko eqhelekileyo) ukuya kubushushu begumbi.
3. Ukulinganisela
- Injongo: Ukunciphisa uxinzelelo olushiyekileyo, ukuphucula ukuqina, kunye nokuzinzisa isakhiwo se-microstructure.
- Inkqubo:
- Emva kokulungiswa, ii-castings zifudunyezwa kwakhona ukuya kubushushu obuphantsi be590–720°C (1094–1328°F).
- Ndimanziswe kolu bushushu kangangexesha elithileIiyure ezi-1–2 nge-25 mm (1 intshi) yobukhulu.
- Ipholiswe emoyeni okanye esitovini ngesantya esilawulwayo ukuthintela ukwenzeka koxinzelelo olutsha.
4. Ukuhlolwa Emva koNyango
- InjongoUkuqinisekisa ukuthotyelwa kwemigangatho ye-ASTM A216.
- Inkqubo:
- Uvavanyo loomatshini (umz., amandla okutsalwa, amandla okukhupha, ubulukhuni).
- Uhlalutyo lwezakhiwo ezincinci ukuqinisekisa ukufana kunye nokungabikho kweziphene.
- Ukuhlolwa kobukhulu ukuqinisekisa uzinzo emva konyango lobushushu.
Amanyathelo Okuzikhethela (Athile Kwityala)
- Ukunciphisa uxinzeleloKwijometri ezintsonkothileyo, umjikelo owongezelelweyo wokunciphisa uxinzelelo unokwenziwa apha600–650°C (1112–1202°F)ukususa uxinzelelo olushiyekileyo oluvela ekuchwethezeni okanye ekudibaniseni.
- Ukupholisa okulawulwayo: Kwizinto ezisetyenziswa kwiindawo ezinkulu, amazinga okupholisa acothayo (umz., ukupholisa i-furnace) angasetyenziswa ngexesha lokufudumala ukuze kuphuculwe ukuguquguquka.
Izinto eziphambili ekufuneka ziqwalaselwe
- Imozulu yeSithando somlilo: Imoya engathathi cala okanye ekhupha ioksijini kancinci ukuthintela ukubola kwekhabhohayidreyithi.
- Ubushushu obufanayo: Ukunyamezelana kwe-±10°C ukuqinisekisa iziphumo ezihambelanayo.
- Amaxwebhu: Ukulandeleka ngokupheleleyo kweeparamitha zonyango lobushushu (ixesha, ubushushu, amazinga okupholisa) ukuqinisekisa umgangatho.
Le nkqubo iqinisekisaI-TWS ivalvu yebhabhathane egxile kwi-concentricumzimbaD341B1X-16kwii-WCB castings ziyahlangabezana neemfuno ze-ASTM A216 zamandla okutsalwa (≥485 MPa), amandla okukhupha (≥250 MPa), kunye nokwandiswa (≥22%), nto leyo eyenza ukuba zilungele ukusetyenziswa kobushushu obuphezulu kunye noxinzelelo kwiivalvu, iipompo, kunye neenkqubo zepayipi.
UkususelaIvalvu yeTWS, umntu onamava ekuveliseniirabha ehleli phantsi ivalvu yebhabhathane ebanzi YD37A1X, ivalvu yesango, ukwenziwa kwesihluzo se-Y.
Ixesha leposi: Epreli-02-2025
