Okokuqala, ngemuva kokunciphisa umthamo kawoyela esithandweni sokucisha uwoyela ethangini likawoyela kubhasikidi ojwayelekile, ibanga eliphakathi kwendawo kawoyela nendawo yalo eqondile kufanele okungenani libe yi-100 mm,
Uma ibanga lingaphansi kuka-100 mm, izinga lokushisa lamafutha lizoba phezulu, okungase kuholele ekuqhumeni kwesithando somlilo.
Okwesibili, i-nitrogen kumele yethulwe ngaphambi kokuthi uwoyela ukhishwe esithandweni sokucisha uwoyela we-vacuum, kodwa umoya awukwazi ukwethulwa. Ukuze wonge izindleko, abakhiqizi abaningi abayisebenzisi i-nitrogen.
Ngaphezu kwalokho, kungcono ukujova i-nitrogen ngaphambi kokukhishwa komsebenzi, ngaphandle kwalokho kulula ukubangela ukuqhuma kwemishini yesithando somlilo.
Okwesithathu, izinga lokushisa le-workpiece lidlula umkhawulo lapho ukhipha amafutha. Ngalesi sikhathi, i-vacuum quenching oil izohwamuka, futhi uma ingena emoyeni noma emoyeni, izoqhuma.
Okwesine, ngaphezu kwemishini yokwelapha ukushisa ngokwayo, ikhwalithi yamafutha e-vacuum quenching ngokwayo izophinde ibangele izingozi zokuqhuma, njengokucisha amafutha anephuzu eliphansi le-flash point kanye nephuzu eliphansi lokushisa.
Okwesihlanu, ubukhulu kanye nokuma kwe-workpiece ecishiwe esithandweni sokucisha uwoyela we-vacuum nakho kungesinye sezizathu zokuqhuma.
Ngakho-ke, wonke umuntu kufanele anake ukuvimbela izingozi ezidalwa yilezi zizathu. Okokuqala, imishini idinga ukuhlolwa futhi inakekelwe njalo.
Ukuze uthole futhi wengeze amafutha esithandweni se-vacuum ngesikhathi, kungcono ukuba nomhlinzeki ongashintshi wamafutha okuvala i-vacuum,
Ngoba amafutha avela kubakhiqizi abaningi athambekele ezingozini. Okwesibili, lapho ubukhulu bokucisha bukhulu, obukhulu futhi bungavamile, kulula ukukhiqiza inani elikhulu lemikhiqizo kawoyela yokucisha.
Ukunakwa okukhethekile kuyadingeka; Okokugcina, hlanza indawo ezungeze indawo yokusebenzela ukuze ugweme ukuvutha neziqhumane namagesi asatshalaliswa esithandweni somlilo.
Isikhathi sokuthumela: Jul-07-2022