Ho lahla lehlabathe le letala ha ho na tlhoko ea ho oma mme ho nka bentonite joalo ka binder. Karolo ea mantlha ea lehlabathe le tala ke hore ha e hloke ho omisoa le ho tiea, ha e ntse e na le matla a itseng a metsi. Leha matla a le tlase, e na le mokhoa oa ho khutla o betere ebile o bonolo ho o sisinya; ho feta moo, ts'ebetso e tala ea lehlabathe e na le menyetla e 'maloa ea ts'ebetso e phahameng ea ho bopa, potoloho ea tlhahiso e khuts'oane, theko e tlase ea thepa mme ho bonolo ho hlophisa tlhahiso ea phallo. Leha ho le joalo, hobane hlobo ea lehlabathe ha e ome, ho futhumala ha mongobo le ho falla ho hlaha holim'a hlobo ea lehlabathe nakong ea ho betloa, e leng se etsang hore ho betloa ho be bonolo ho ba le li-blowholes, inclusions tsa lehlabathe, lehlabathe le bulging, lehlabathe le khomarelang le liphoso tse ling tsa ho lahla.
Bakeng sa ho fana ka papali e felletseng ho melemo ea ho bōpa lehlabathe le tala le ho ntlafatsa boleng ba castings, ho hlokahala hore ho boloke ts'ebetso e tsitsitseng ea lehlabathe, hlobo e bonyenyane le e ts'oanang ea lehlabathe le ts'ebetso e nepahetseng ea ho lahla nakong ea ts'ebetso ea tlhahiso. Ka hona, nts'etsopele ea theknoloji e botala ba lehlabathe e lula e hokahane haufi le nts'etsopele ea mochini oa mochini le theknoloji ea bōpa.
Morao tjena, botala bo botala ba mechini ea lehlabathe bo tsoetse pele ho tloha mochini o tloaelehileng oa mochini ho ea mochini o phahameng oa mochini. Tlhahiso ea sebōpeho, ho bokana ha hlobo ea lehlabathe, le ho nepahala ha sebopeho sa li-castings li ntse li eketseha, ha boleng ba bokaholimo ba castings bo ntse bo tsoela pele ho fokotseha. Ts'ebetso ea ho lahla lehlabathe le botala (ha pente e sa sebelisoe) e ka hlahisa litšepe tsa tšepe tse boima ba lik'hilograma tse makholo a 'maloa.
Lehlabathe le letala ka kakaretso le entsoe ka lehlabathe le lecha, lehlabathe la khale, bentonite, addenda le metsi a lekaneng. Pele o etsa karolelano ea lehlabathe, ho hlokahala hore ho khetholloe ts'ebetso ea ts'ebetso le taolo ea boleng ba lehlabathe ho latela mofuta oa motsoako o tšeloang, litšobotsi le litlhoko tsa ho betsa, mokhoa oa ho bopa le ts'ebetso le mokhoa oa ho hloekisa . Kamora moo, ho latela mefuta-futa le litlatsetso tsa lisebelisoa tse fapaneng tse tala, mokhoa oa ho sebetsana le lehlabathe, lisebelisoa, lehlabathe le karolelano ea tšepe le sekhahla sa tahlehelo e tukang ea lisebelisoa tse fapaneng li sebelisoa ho theha karolelano ea lehlabathe. Lipontšo tsa tekheniki le boholo ba lehlabathe le ka bonoang feela kamora netefatso ea nako e telele ea tlhahiso.
▶ Bokhoni ba ho lahla lehlabathe bo entsoe ka letsoho ho Motheo oa Lehlabathe le Letala ea RMC:
• Boholo ba Max: 1,500 mm × 1000 mm × 500 mm
• Boima ba 'mele: 0.5 kg - 500 kg
• Bokgoni ba selemo le selemo: lithane tse 5,000 - lithane tse 6,000
• Mamello: Ka Kopo kapa Tekanyetso
• Lisebelisoa tsa hlobo: Ho lahla Lehlabathe le Tala, Shell Mold Sand Sand.
▶ Bokhoni ba ho lahla lehlabathe ka mechini e iketsang ea bōpa:
• Boholo ba Max: 1,000 mm × 800 mm × 500 mm
• Boima ba 'mele: 0.5 kg - 500 kg
• Bokgoni ba selemo le selemo: lithane tse 8,000 - lithane tse 10,000
• mamello: Ka kopo.
• Lisebelisoa tsa hlobo: Ho lahla Lehlabathe le Tala, Shell Mold Sand Sand.
▶ Lisebelisoa tse fumanehang bakeng sa ho lahla lehlabathe Motheo ho RMC:
• Koporo, Koporo e Khubelu, Boronse kapa lisebelisoa tse ling tsa motsoako oa koporo: ZCuZn39Pb3, ZCuZn39Pb2, ZCuZn38Mn2Pb2, ZCuZn40Pb2, ZCuZn16Si4
• Gray Iron: HT150, HT200, HT250, HT300, HT350; EA-100-GJL-150, GJL-200, GJL-250, GJL-300, GJL-350; EA-10-GG40.
• Ductile Iron kapa Nodular Iron: GGG40, GGG50, GGG60, GGG70, GGG80; GJS-400-18, GJS-40-15, GJS-450-10, GJS-500-7, GJS-600-3, GJS-700-2, GJS-800-2; QT400-18, QT450-10, QT500-7, QT600-3, QT700-2, QT800-2;
• Aluminium le lits'epe tse kopantsoeng le tsona
• Lisebelisoa tse ling ho latela litlhoko tsa hau tse ikhethileng kapa ho latela ASTM, SAE, AISI, ACI, DIN, EN, ISO le maemo a GB