Phekolo ea mocheso ke ts'ebetso ea bohlokoa tlhahisong ea indasteri.E kenyelletsa ho futhumatsa le ho pholisa likarolo tsa tšepe ho ntlafatsa thepa ea bona ea mochini, joalo ka ho thatafala, ho tiea le ho hanyetsa ho roala.Leha ho le joalo, ha se liphekolo tsohle tsa mocheso tse entsoeng li lekana.Tse ling li ka baka deformation e feteletseng kapa esita le ho senya likarolo.Mona ke moo libōpi tsa vacuum quenching li kenang teng.
Sebōpi se timang moea o hloekilengke mofuta oa thepa ea ho phekola mocheso, e sebelisang khase e nang le khatello e phahameng ho futhumatsa likarolo ka har'a vacuum ebe e li pholisa.Vacuum e etsoa ho thibela oxidation leha e le efe kapa tšilafalo hore e se ke ea etsahala, 'me khase (hangata nitrogen kapa helium) e sebelisetsoa ho tima karolo ka potlako le ka ho lekana.
Vacuum quenching e nkoa e le e 'ngoe ea litsela tse molemo ka ho fetisisa tsa ho finyella tekanyo e ntle ka ho fetisisa ea ho thatafala le ho tiea likarolong tsa tšepe.E hlahisa microstructure e ntle ntle le decarburization ea holim'a metsi kapa deformation, e hlahisang thepa e babatsehang ea mochine le bophelo bo bolelele ba tšebeletso.Ho feta moo, libopi tsa vacuum quenching li ka sebetsana le mefuta e mengata ea lisebelisoa, ho tloha ho tšepe le tšepe e sa hloekang ho ea ho aluminium le li-alloys tsa titanium.
Ho fumana melemo e felletseng ea ho thatafatsa vacuum, o hloka e tšepahalang, e sebetsang hantlevacuum quenching sebopi.Setofo se setle se lokela ho ba le litšobotsi tse latelang:
- Vacuum e phahameng: Ha e le hantle, sebōpi se lokela ho khona ho finyella vacuum ea 10 ^ -5 Torr kapa ka tlaase ho fokotsa oxidation le tšilafalo.
- Ho tima ka potlako: sebōpi se lokela ho khona ho pholile karolo ea 10-50 ° C / s ho finyella microstructure e lakatsehang.
- Kabo e ts'oanang ea mocheso: Sebōpi se lokela ho ba le mochine o futhumatsang o hlophisitsoeng hantle o abang mocheso ka ho lekana ho pholletsa le sebōpi ho netefatsa liphello tse tsitsitseng tsa ho tima.
- Sistimi e tsoetseng pele ea taolo: Sebōpi se lokela ho ba le phanele ea taolo e bonolo ea basebelisi e lumellang taolo e nepahetseng ea mocheso le khase, hammoho le ho beha leihlo le ho rekota data ea ts'ebetso.
At Paijinre fana ka mefuta e mengata ea libopi tsa vacuum quenching tse fihlelang litlhoko tsena le tse ling.Libōpi tsa rona li entsoe le ho hahoa ho sebelisoa theknoloji ea morao-rao le thepa ke sehlopha se nang le phihlelo sa baenjiniere le litsebi.Re boetse re fana ka litharollo tsa moetlo ho fihlela litlhoko le litlhoko tsa hau tse ikhethileng.
Tse ling tsa mehlala ea rona e tsebahalang haholo li kenyelletsa:
- Vertical vacuum air quenching sebōpi: sebōpi se ka sebetsana le likarolo tse fihlang ho 2000mm ka bolelele le boima ba 1500kg, ka mocheso o phahameng oa 1350 ° C le lebelo la ho pholisa ka potlako la 30 ° C / s.
- Sebōpi se timang moea o otlolohileng: Sebōpi sena se ka sebetsana le likarolo tse nang le bophara bo boholo ba 1000mm le boima ba 1000kg, ka mocheso o phahameng oa 1350 ° C le sekhahla sa ho pholisa ka potlako sa 50 ° C / s.
- Sebōpi sa vacuum se nang le merero e mengata: Sebōpi sena se ka sebelisoa bakeng sa lits'ebetso tse fapaneng tsa kalafo ea mocheso joalo kaho tima vacuum, ho futhumatsa, ho senya, ho senya, joalo-joalo, ka mocheso o phahameng oa 1300 ° C le tekanyo ea vacuum ea 10^ -5 Torr.
Qetellong, li-vacuum air quenching livine ke sesebelisoa sa bohlokoa bakeng sa ho fihlela boleng ba boleng bo holimo le sephetho se tsitsitseng sa kalafo ea mocheso.Ba fana ka ts'ebetso e phahameng, ts'ebetso le ho feto-fetoha ha maemo ho bapisoa le mekhoa e meng ea phekolo ea mocheso.Haeba u batla sebōpi se tšepahalang le se sebetsang hantle, sheba mefuta e mengata ea Paijin ea Vacuum Air Quenching Furnaces kajeno!
Nako ea poso: Mar-28-2023