1- Vacuum Casting ke Eng?
Vacuum Casting e boetse e tsejoa e le Negative Pressure Tial Casting, Reduced Pressure Casting kapaV Ts'ebetso ea Ts'ebetso. Vacuum negative pressure casting ke mofuta o mong oa ho lahla lehlabathe le omeletseng 'me ho hloka tšebeliso ea lisebelisoa tsa ho ntša moea ho ntša moea ka hare ho hlobo ea ho lahla, ebe o sebelisa phapang ea khatello pakeng tsa ka hare le ka ntle ho hlobo ho koahela filimi e futhumetseng ea polasetiki holim'a dipaterone le dithempleite. Sebōpeho sa ho lahla se tla ba matla ka ho lekaneng ho mamella tšepe e qhibilihisitsoeng nakong ea ho etsa. Ka mor'a ho fumana hlobo ea vacuum casting, tlatsa lebokose la lehlabathe ka lehlabathe le omileng ntle le binder, ebe u tiisa bokaholimo ba hlobo ea lehlabathe ka filimi ea polasetiki, e lateloe ke vacuum ho tiisa lehlabathe le tiileng. Ka mor'a moo, tlosa hlobo, beha li-cores tsa lehlabathe, koala hlobo ho etsa hore ntho e 'ngoe le e' ngoe e loketse ho tšolloa. Qetellong, ho lahla ho fumanoa ka mor'a hore tšepe e qhibilihisitsoeng e pholile ebe e tiisa.
2- Melemo ea Vacuum Casting ke Efe?
1) Thevacuum castingsho ba le ho nepahala ho phahameng, kemiso e hlakileng le bokaholimo bo boreleli.
2) Ha ho na li-binders, metsi le li-additives ka lehlabatheng la ho bōptjoa, e leng se etsang hore ts'ebetso ea lehlabathe e be bonolo.
3) Ho bonolo ho hloekisa li-vacuum castings. Likhase tse fokolang tse kotsi li hlahisoa nakong ea ho lahla.
4) Lisebelisoa tsa vacuum li ka sebelisoa homefuta e mengata ea liindasteri. E ka sebelisoa bakeng sa tlhahiso ea li-batch tse nyane tsa karolo e le 'ngoe hammoho le tlhahiso ea bongata, haholo-holo li-castings tse kholo le tse mahareng le li-castings tse nang le marako a tšesaane li loketse haholo bakeng sa vacuum casting.
3- Ke litšepe life le lialloys tse ka behoang ka Vacuum Casting?
• Grey Cast Iron, Ductile Cast Iron
• Carbon Steel: Khabone e tlaase, carbon e bohareng le tšepe e phahameng ea carbon
• Lisebelisoa tsa tšepe tse entsoeng ka tšepe: tšepe e tlaase ea alloy, tšepe e phahameng ea alloy, tšepe e khethehileng ea alloy
• Aluminium le lisebelisoa tsa tsona
• Koporo le Koporo.
4- The Vacuum Castings e sebelisetsoa liindasteri life?
Joalo ka ha ho boletsoe kaholimo ho melemo ea vacuum casting, li-vacuum castings li ka sebelisoa liindastering tse fapaneng. E ka sebelisoa bakeng sa tlhahiso ea li-batch tse nyane tsa karolo e le 'ngoe hammoho le tlhahiso ea bongata, haholo-holo li-castings tse kholo le tse mahareng le li-castings tse nang le marako a tšesaane li loketse haholo bakeng sa vacuum casting. Ka hona, li-vacuum castings li sebelisoa haholo-holo bakeng samechine ea temo, li-hydraulic systems, likoloi tse tsamaisang thepa ea terene, li-crane le liindasteri tsa ho haha likepe.
5- Ke Mamello efe ea ho Lahlela e ka Finyelloang ka Ts'ebetso ea Vacuum Casting?
Nakong ea vacuum casting, hobane bokaholimo ba mohlala bo koahetsoe ka filimi ea polasetiki, ha ho hlokahale hore u thothomele kapa u kokote ha u hula hlobo. Khatello e hohelang le e mpe e etsa hore lehlabathe le bopehang le kopane, 'me ho thatafala ha hlobo ea lehlabathe ho phahame ebile ho tšoana. Tlas'a mocheso oa tšepe e qhibilihisitsoeng, sekoti ha se bonolo ho holofala. Ho feta moo, ho ba teng ha khatello e mpe ho loketse ho tlatsa ka ho feletseng tšepe e qhibilihisitsoeng ka har'a mohlala. The roughness holim'a V tshebetso castings ka fihla Ra = 25 ~ 2.5μm. Boemo ba mamello ea li-castings bo ka fihla ho CT5 ~ CT7. Ponahalo ea boleng ba likhatello tse mpe tsa khatello e ntle, 'me boleng ba ka hare bo ka tšeptjoa.