Ntlo ea lisebelisoa tsa tšepe ea vacuum casting bakeng sa likoloi tse tsamaisang thepa tse nang le mochini oa CNC le lits'ebeletso tse entsoeng ka tloaelo. Cast alloy steel v process castings e bolela likarolo tsa ho lahla tse hlahisoang kemokhoa oa ho ntša vacuume nang le lisebelisoa tse entsoeng ka tšepe ea alloy.Chromium-molybdenum cast steel e sebelisoa haholo masimong a indasteri a nang le thepa e batlang e phahame haholo. Ho eketsoa ha molybdenum ho tšepe ea chromium ho ka eketsa matla a lisebelisoa tsa tšepe ntle le ho ba le tšusumetso e kholo ho matla a ts'ebetso ea tšepe ea tšepe. Chromium-molybdenum cast steel e na le ts'ebetso e ntle haholo ea mocheso o phahameng haholo le ho hanyetsa ho hoholo. Kamora ho tima le ho futhumatsa kapa ho tloaeleha kalafo ea mocheso, tšepe ea chromium-molybdenum e ka fumana thepa e ntle haholo ea mochini. Molybdenum e ka ntlafatsa ho thatafala ha tšepe e entsoeng ka tšepe le ho fokotsa bohale ba tšepe ea tšepe. Chromium-molybdenum cast steel e sebelisoa bakeng sa ho lahlela likarolo tse kholo le litšepe tse hlokang ho thatafala ka botebo.
Vacuum molding casting, e boetse e bitsoa mokhoa o mobe oa ho bopa khatello, mokhoa oa ho tiisa ka vacuum, kapa ts'ebetso ea V ka nako e khuts'oane. Ona ke mofuta o mocha oa mokhoa oa ho etsa mohlala oa 'mele. Mokhoa o mobe oa ho bopa khatello o sebelisa phapang ea khatello pakeng tsa ka hare le ka ntle ho hlobo ho tiisa likaroloana tsa lehlabathe tse omeletseng le tse hlephileng hammoho ho fumana hlobo e nang le sebōpeho se itseng se lakatsehang le matla a itseng.
Vacuum casting e lumella ho etsoa ha lihlopha tse nyane tsa libopa tsa boleng bo holimo ka har'a mefuta e mengata ea li-polyurethane resin tse phetang ts'ebetso ea lipolasetiki tsa boenjiniere ntle le litšenyehelo tse phahameng tsa lisebelisoa tse thata tse amanang le ho bopa ente. Ts'ebetso e qala ka ho etsa hlobo ka ho kenyelletsa mohlala o motle ka har'a rabara ea silicone e nang le likarolo tse peli. Ebe ho sebelisoa vacuum ho tlosa moea leha e le ofe o qabeletsoeng, ebe o phekoloa ka ontong. Mehlala e hloahloa e ka tsoa ho mefuta e mengata ea theknoloji ea khatiso ea 3D ho kenyelletsa le stereolithography. Hang ha silicone e phekoloa, hlobo e khaoloa e butsoe ho theha mohala o arohaneng, ho tlosoa mohlala o moholo o sieang sekoti sa hlobo se pheta-pheta hantle mohlala oa master. Ho etsa karolo, likarolo tsa hlobo li khutlisetsoa hammoho, li sirelelitsoe, li futhumalitsoe pele 'me li behoa ka kamoreng ea tsamaiso ea vacuum casting. Likarolo tse peli kapa tse tharo tsa resin li lekanngoa, 'mala o kenngoa ha ho hlokahala' me likarolo tsa resin li kenngoa ka har'a motsoako o ikemetseng oa sistimi ea vacuum casting. Mothating ona, sistimi ea vacuum casting e nka ts'ebetso ea ho kopanya likarolo tsa resin le vacuum cast ea mohlala. Hang ha sena se phethiloe, semela se hloekisoa. Ka mor'a ho phekola, likarolo tsa hlobo li ka aroloa 'me karolo e tlosoa. Ho setseng ke bakeng saho lahla likaroloho pongoa le ho phethoa kamoo ho hlokahalang.
| Lahlehileng Foam Casting vs Vacuum Casting | ||
| Ntho | Ho Lahla Foam e Lahlehileng | Vacuum Casting |
| Li-castings tse loketseng | Li-castings tse nyane le tse mahareng tse nang le likheo tse rarahaneng, joalo ka block block, sekoaelo sa enjine | Li-casting tse mahareng le tse kholo tse nang le likheo tse fokolang kapa tse se nang letho, joalo ka litekanyo tsa tšepe tse entsoeng ka tšepe, li-axle tsa tšepe tse entsoeng ka tšepe. |
| Lipaterone le Lipoleiti | Mekhoa ea foam e entsoeng ka li-moldings | Setšoantšo se nang le lebokose la ho hula |
| Lebokose la Lehlabathe | Mahlakoreng a ka tlase kapa a mahlano | Mahlakore a mane a qeta kapa a nang le phala ea ho tsoa |
| Filimi ea polasetiki | Sekoahelo se ka holimo se tiisitsoe ka lifilimi tsa polasetiki | Mahlakore 'ohle a likarolo tse peli tsa lebokose la lehlabathe a tiisitsoe ka lifilimi tsa polasetiki |
| Lisebelisoa tsa ho roala | Pente e entsoeng ka metsi e nang le seaparo se teteaneng | Pente e entsoeng ka joala e nang le seaparo se tšesaane |
| Lehlabathe la ho Bopa | Lehlabathe le omeletseng le thata | Lehlabathe le omeletseng le letle |
| Vibration Molding | 3D Vibration | Tšisinyeho e emeng kapa e tšekaletseng |
| Ho tshela | Ho tsholoha hampe | Ho tsholoha hampe |
| Mokhoa oa Lehlabathe | Fokotsa khatello e mpe, phetla lebokose ho theola lehlabathe, ebe lehlabathe le sebelisoa hape | Fokotsa khatello e mpe, joale lehlabathe le omeletseng le oela skrineng, 'me lehlabathe le tsosolosoa |
▶ Lisebelisoa tsa Vacuum Casting:
•Tšepe ea Carbon: Low Carbon Steel, Medium Carbon Steel le High Carbon Steel ho tloha AISI 1020 ho ea AISI 1060.
•Lisebelisoa tsa tšepe tse entsoeng ka tšepe: ZG20SiMn, ZG30SiMn, ZG30CrMo, ZG35CrMo, ZG35SiMn, ZG35CrMnSi, ZG40Mn, ZG40Cr, ZG42Cr, ZG42CrMo... joalo-joalo ka kopo.
•Ts'epe e sa beng le mabali: AISI 304, AISI 304L, AISI 316, AISI 316L le sehlopha se seng sa tšepe e sa hloekang.
•Koporo le Koporo.
• Lisebelisoa le Maemo a mang ha a koptjoa
▶ V Bokhoni ba ho Lahla Ts'ebetso:
• Boholo ba Boholo: 1,000 mm × 800 mm × 500 mm
• Boima ba Boima: 0,5 kg - 100 kg
• Bokhoni ba Selemo: Lithane tse 2,000
• Mamello: Ka Kopo.
▶ Ho hlahlobaV-Process Casting Likaroloana:
• Spectrographic and manual quantitative analysis
• Tlhahlobo ea metallographic
• Tlhahlobo ea thata ea Brinell, Rockwell le Vickers
• Tlhahlobo ea thepa ea mechine
• Teko ea tšusumetso e tlase le e tloaelehileng ea mocheso
• Tlhahlobo ea bohloeki
• tlhahlobo ea UT, MT le RT
▶ Mekhoa ea ho etsa Vacuum Cast:
• Mohlala o koahetsoe ka thata ka lesela le tšesaane la polasetiki.
• Botlolo e behoa holim'a mohlala o koahetsoeng 'me e tlatsoa ka lehlabathe le omeletseng ntle le ho tlama.
• Letlapa la bobeli le behoa ka holim'a lehlabathe, 'me sekoti se hula lehlabathe e le hore mohlala o ka ba thata le ho tlosoa. Likarolo tse peli tsa hlobo li entsoe le ho bokelloa ka tsela ena.
• Nakong ea ho tšela, hlobo e lula e le tlas'a vacuum empa sekoti ha se etse joalo.
• Ha tšepe e tiisitsoe, vacuum ea tima 'me lehlabathe le oa, le lokolla samente.
• Vacuum mold e hlahisa ho lahla ka lintlha tsa boleng bo holimo le ho nepahala ha sebopeho.
• E loketse ka ho khetheha bakeng sa li-castings tse kholo, tse batlang li le sephara.
▶ Mokhoa oa ka mor'a ho bapala
• Deburring & Cleaning
• Ho thunngoa ha Lehlabathe / Ho phunya lehlabathe
• Kalafo ea Mocheso: Ho tloaeleha, ho tima, ho halefa, ho chesa, ho etsa Nitriding
• Phekolo ea Bokaholimo: Passivation, Andonizing, Electroplating, Hot Zinc Plating, Zinc Plating, Nickel Plating, polishing, Electro-Polishing, Painting, GeoMet, Zintec.
•Mochini: Ho Fetola, Ho sila, Ho Lathing, Ho cheka, Ho Hopa, Ho Sila.
▶ Hobaneng U Khetha RMC bakeng sa V (Vacuum) Lisebelisoa tsa Ts'ebetso ea Ts'ebetso?
• Ho hlaphoheloa habonolo ha lehlabathe hobane li-binders ha li sebelisoe
• Lehlabathe ha le hloke ho lokisoa hape ka mochini.
• Ho kenella hantle ha moea hobane ha ho na metsi ho tsoakoa le lehlabathe, ka hona ho na le liphoso tse fokolang tsa ho lahlela.
• Ho loketse haholoanyane bakeng sa li-castings tse kholo
• Theko e sebetsang, haholo-holo bakeng sa li-castings tse kholo.
