China tloaelolahla lihlahisoa tsa lichelete tsa tšepe tse sa hloekangho latela litšoantšo le litlhoko.
Tšepe e sa hloekang e na le bonyane ba chromium ea 10.5%, e etsang hore e khone ho mamella maemo a mokelikeli a senyang le ho oxidation. Ha e khone ho senya 'me ha e senyehe, e fana ka bokhoni bo botle ba ho sebetsa, 'me e tsebahala haholo ka ponahalo ea eona e ntle. Mehaho ea matsete a tšepe e sa jeleng paate "e hana ho bola" ha e sebelisoa libakeng tse mokelikeli le mouoane o ka tlase ho 1200°F (650°C) le "tse thibelang mocheso" ha li sebelisoa ka holimo ho mocheso ona. Likarolo tsa motheo tsa matsete a nickel-base kapa tšepe e sa hloekang ke chromium, nickel le molybdenum (kapa "moly"). Likarolo tsena tse tharo li tla etsa qeto ea sebopeho sa lijo-thollo le lisebelisoa tsa mochini 'me li tla thusa ho thibela mocheso, ho felloa ke matla le ho bola.
Ka tloaelo, tšepe e sa hloekang e lokela ho lahleloa kemokhoa oa ho lahla ka mokhoa o nepahetseng oa licheletele silica sol joalo ka tlamo. Lisebelisoa tsa tšepe tse sa hloekang tsa silica sol li na le boemo bo phahameng haholo ba ho nepahala le ts'ebetso.
Ka lebaka la thepa ea eona e ikhethang ea 'mele, li-casting tsa tšepe tse sa hloekang li tumme mefuteng e mengata ea lisebelisoa, haholo-holo tse libakeng tse thata. Limmaraka tse tloaelehileng bakeng sa lichelete tsa tšepe tse sa hloekang li kenyelletsa oli le khase, matla a mokelikeli, lipalangoang, tsamaiso ea hydraulic, indasteri ea lijo, hardware le liloko, temo ... joalo-joalo.
Investment (lost wax) ho lahla ke mokhoa o nepahetseng oa ho lahla lintlha tse haufi-ufi le sebopeho sa marang-rang ho sebelisa ho pheta-pheta ha mekhoa ea boka. Ho lahlela matsete kapa boka ba bokae ke mokhoa oa ho etsa tšepe oo ka tloaelo o sebelisang mohlala oa boka o pota-potiloeng ke khetla ea ceramic ho etsa hlobo ea ceramic. Ha khetla e omella, boka ba linotsi boa qhibiliha, ebe ho sala hlobo feela. Ebe karolo ea ho lahla e thehoa ka ho tšela tšepe e qhibilihisitsoeng ka har'a hlobo ea ceramic.
Mokhoa ona o loketse tlhahiso e pheta-phetoang ea likarolo tsa sebopeho sa marang-rang ho tsoa mefuteng e fapaneng ea litšepe le lisebelisoa tse phahameng tsa ts'ebetso. Le hoja ka kakaretso e sebelisetsoa ho etsa lintho tse nyenyane, mokhoa ona o sebelisitsoe ho hlahisa liforeimi tse feletseng tsa mamati a lifofane, tse nang le litšepe tse fihlang ho 500 kgs le aluminium ea ho fihla ho 50 kgs. Ha ho bapisoa le lits'ebetso tse ling tsa ho lahla tse kang die casting kapa sand casting, e ka ba ts'ebetso e theko e boima. Leha ho le joalo, likarolo tse ka hlahisoang ka tšebeliso ea matsete li ka kenyelletsa li-contours tse rarahaneng, 'me maemong a mangata likarolo li lahleloa haufi le sebopeho sa marang-rang, kahoo ha li hloke ho tsosolosoa hanyenyane kapa ho se be teng hang ha ho etsoa.
Ts'ebetsong ea ho etsa matsete, dewaxing le ho baka likhetla le tsona ke lits'ebetso tse hlokang tlhokomelo. Kamora ho bopa boka, ho roala, ho omisa le lits'ebetso tse ling, mohato o latelang ke ho etsa dewaxing le ho baka likhetla. Dewaxing ke ho futhumatsa boka ka har'a khetla ea hlobo ka metsi a chesang kapa mouoane ho etsa hore boka bo tsoe ka khetla ea hlobo.
▶ Lisebelisoa tsa ho Lahlela Matsete, Mokhoa oa ho Lahla boka:
• Carbon Steel: AISI 1020 - AISI 1060, C30, C40, C45.
• Lisebelisoa tsa tšepe: ZG20SiMn, ZG30SiMn, ZG30CrMo, ZG35CrMo, ZG35SiMn, ZG35CrMnSi, ZG40Mn, ZG40Cr, ZG42Cr, ZG42CrMo... joalo-joalo ka kopo.
• Stainless Steel: AISI 304, AISI 304L, AISI 316, AISI 316L, 1.4401, 1.4301, 1.4305, 1.4307, 1.4404, 1.4571 le sehlopha se seng sa tšepe e sa hloekang.
• Koporo, Koporo e Khubelu, Bronze kapa tse ling tsa tšepe tse entsoeng ka koporo: ZCuZn39Pb3, ZCuZn39Pb2, ZCuZn38Mn2Pb2, ZCuZn40Pb2, ZCuZn16Si4
• Tšepe e hananang le ho bola, Tšepe e hananang le metsi a Leoatleng, Tšepe ea Mocheso o Holimo, Tšepe e Tletseng matla, Tšepe ea Duplex.
• Lisebelisoa tse ling ho ea ka litlhoko tsa hau tse ikhethang kapa ho latela maemo a ASTM, SAE, AISI, ACI, DIN, EN, ISO, le GB
▶ Bokhoni ba ho etsa Investment Casting Foundry
• 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
• Lisebelisoa tsa Bond bakeng sa Kaho ea Shell: Silica Sol, Glass ea Metsi le metsoako ea tsona.
• Mamello: Ka Kopo.
▶ Mokhoa o ka Sehloohong oa Tlhahiso
• Moralo oa Lipaterone le Lisebelisoa → Ho Etsa Metal Die → Ente ea Wax → Kopano e Slurry → Kaho ea Likhetla → Ho De-Waxing → Tlhahlobo ea Sebopeho sa Lik'hemik'hale → Ho qhibiliha le ho Tšela → Ho Hloekisa, Ho sila le ho Thunya
▶ 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, Anodizing, Electroplating, Hot Zinc Plating, Zinc Plating, Nickel Plating, Polishing, Electro-Polishing, Painting, GeoMet, Zintec.
• Ho sebetsa ka machining: Ho Fetola, Ho sila, Ho Lathing, Ho cheka, Ho Hopa, Ho Sila.
▶ Melemo ea Likarolo tsa Ts'ebetso ea Matsete:
• Qetello e ntle le e boreleli holim'a metsi
• Ho mamellana ka mokhoa o thata.
• Libopeho tse rarahaneng le tse rarahaneng tse nang le ho feto-fetoha ha moralo
• Bokhoni ba ho lahlela marako a tšesaane kahoo karolo e bobebe ea ho lahla
• Khetho e pharaletseng ea litšepe le li-alloys (tse nang le tšepe le tse se nang ferrous)
• Moralo ha o hlokehe moralong oa hlobo.
• Fokotsa tlhokeho ya machining a bobedi.
• litšila tse fokolang tsa thepa.
▶ Hobaneng U Khetha RMC bakeng sa Likarolo tse Tloaelehileng tsa ho Lahlela Wax?
• Tharollo e feletseng ho tloha ho mofani a le mong ho tloha ho moralo o hlophisitsoeng oa moralo ho ea ho li-castings tse felileng le ts'ebetso ea bobeli e kenyeletsang machining a CNC, phekolo ea mocheso le phekolo ea holim'a metsi.
• Litlhahiso tsa Costdown tse tsoang ho baenjiniere ba rona ba litsebi ho latela tlhoko ea hau e ikhethang.
• Nako e khutšoane ea ho etsa mohlala, tlhahiso ea liteko le ntlafatso efe kapa efe e ka bang teng ea tekheniki.
• Lisebelisoa tse Kopantsoeng: Silica Col, Glass ea Metsi le metsoako ea tsona.
• Ho fetoha ha maemo bakeng sa liodara tse nyane ho ea ho liodara tse ngata.
• Bokhoni bo matla ba ho etsa thepa kantle ho naha.

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