Choyamba, mutatha kuchepetsa kuchuluka kwa mafuta mu ng'anjo yozimitsa mafuta ku thanki yamafuta mudengu lokhazikika, mtunda wapakati pa mafuta ndi pamwamba pake uyenera kukhala osachepera 100 mm,
Ngati mtunda ndi wosakwana 100 mm, kutentha kwa pamwamba pa mafuta kumakhala kokwera kwambiri, zomwe zingayambitse kuphulika kwa ng'anjo ya vacuum.
Kachiwiri, nayitrogeni iyenera kuyambitsidwa mafuta asanatulutsidwe mung'anjo yozimitsa mafuta, koma mpweya sungathe kuyambitsidwa. Pofuna kupulumutsa ndalama, opanga ambiri sagwiritsa ntchito nayitrogeni.
Komanso, ndi bwino kubaya nayitrogeni pamaso workpiece kumasulidwa, apo ayi n'zosavuta kuchititsa kuphulika kwa zida vacuum ng'anjo.
Chachitatu, kutentha kwa workpiece kumaposa malire pamene kukhetsa mafuta. Panthawi imeneyi, mafuta oziziritsa mpweya amasungunuka, ndipo akangolowa mumlengalenga kapena mpweya, amaphulika.
Chachinayi, kuwonjezera pa zida zochizira kutentha zokha, mtundu wamafuta ozizimitsa okhawo umadzetsanso ngozi zophulika, monga kuzimitsa mafuta okhala ndi malo otsika komanso poyatsira moto.
Chachisanu, kukula ndi mawonekedwe a workpiece kuzimitsidwa mu vakuyumu mafuta kuzimitsa ng'anjo ndi chimodzi mwa zifukwa kuphulika.
Choncho, aliyense ayenera kusamala kuti apewe ngozi zomwe zimadza chifukwa cha zifukwa izi. Choyamba, zidazo ziyenera kuyang'aniridwa ndikusamalidwa nthawi zonse.
Kuti muzindikire ndikuwonjezera mafuta mu ng'anjo ya vacuum mu nthawi, ndi bwino kukhala ndi wopereka wokhazikika wa vacuum quenching mafuta,
Chifukwa mafuta ochokera kwa opanga angapo amatha ngozi. Kachiwiri, kukula kozimitsa kukakhala kwakukulu, kokhuthala komanso kosakhazikika, ndikosavuta kutulutsa mafuta ambiri ozizimitsa.
Chisamaliro chapadera chimafunika; Pomaliza, yeretsani malo ozungulira msonkhanowo kuti mupewe zoyaka ndi zophulika ndi mpweya womwe umagawidwa kuzungulira ng'anjo ya vacuum.
Nthawi yotumiza: Jul-07-2022