China OEM tloaelo ductile lahla tšepe khetla hlobo lahla lihlahisoa.
Shell molding castingprocess e boetse e bitsoa pre-coated resin sand casting process, hot shell molding castings kapa core casting process. Ntho e ka sehloohong ea ho bōptjoa ke lehlabathe la phenolic resin le koahetsoeng esale pele, le theko e boima ho feta lehlabathe le letala le lehlabathe la resin ea furan. Ho feta moo, lehlabathe lena le ke ke la sebelisoa hape.
Mokhoa oa ho lahla lehlabathe la Furan resin (mokhoa oa nobake) o sebelisa lehlabathe le koahetsoeng ka lehlabathe la furan ho etsa hlobo ea ho lahla. Ka mor'a ho kopanya lehlabathe la pele (kapa lehlabathe le tsosolositsoeng), metsi a furan resin le catalyst ea metsi ka mokhoa o ts'oanang, ebe o li tlatsa ka lebokoseng la mantlha (kapa lebokose la lehlabathe), ebe o le tiisa hore le thatafale ka har'a hlobo kapa hlobo ka lebokoseng la mantlha (kapa lehlabathe). box) ka mocheso oa kamore. Joale ho ile ha thehoa hlobo ea ho lahla kapa ho lahla, e bitsoang "self-harding batang-core box molding" (konokono), kapa mokhoa oa ho ithatafatsa (konokono).
Hobane hlobo e entsoe ka mocheso oa kamore 'me ha ho hlokahale hore e futhumale, ho lahla lehlabathe le ithatafatsang ho boetse ho bitsoa mokhoa oa ho lahla o sa bake. Mokhoa oa ho ithatafatsa o ka aroloa ka acid-catalyzed furan resin le phenolic resin sand self-harding method, urethane resin sand in self-harding method le phenolic monoester self-harding.
Joalo ka lehlabathe le ithatafatsang la lebokose le batang, lehlabathe la resin la furan ke lehlabathe la pele le sebelisoang haholo hona joale le sebelisoang haholo setsing sa Machaena. Palo ea resin e kentsoeng lehlabatheng le bōpiloeng hangata ke 0.7% ho isa ho 1.0%, 'me palo ea resin e kentsoeng lehlabatheng la mantlha hangata ke 0.9% ho isa ho 1.1%. Likahare tsa aldehyde ea mahala ho resin ea furan li ka tlase ho 0.3%, 'me lifeme tse ling li theohetse ka tlase ho 0.1%. Libakeng tse thehiloeng Chaena, lehlabathe le ithatafatsang la furan resin le fihlile boemong ba machaba ho sa tsotellehe ts'ebetso ea tlhahiso le boleng ba holim'a li-castings.
Melemo ea Furan Resin Coated Coated Sanding Molding Casting:
1) Ntlafatsa ho nepahala ha dimensional tsa castings le bokaholimo ba bokaholimo.
2) Ho thatafala ha hlobo (konokono) lehlabathe ha ho hloke ho omisoa, ho ka bolokang matla, 'me lehong le theko e tlaase kapa mabokose a motheo a polasetiki le li-templates le tsona li ka sebelisoa.
3) Lehlabathe le ithatang le le thata le bonolo ho kopana le ho putlama, ho bonolo ho hloekisa li-castings, 'me lehlabathe la khale le ka sebelisoa hape le ho sebelisoa hape, e leng ho fokotsang matla a mosebetsi oa ho etsa mantlha, ho etsa mohlala, ho oela lehlabathe, ho hloekisa le lihokelo tse ling, le ho bonolo ho elelloa ts'ebetso kapa boiketsetso.
4) Karolo e kholo ea resin lehlabatheng ke 0.8% ~ 2.0% feela, mme litšenyehelo tse felletseng tsa lisebelisoa tse tala li tlase.
Hobane mokhoa oa ho ithatafatsa o na le melemo e mengata e ikhethang e boletsoeng ka holimo, mokhoa oa ho ithatafatsa ha o sebelisoe feela bakeng sa ho etsa li-core, empa o boetse o sebelisetsoa ho lahla ho bōpa. E loketse ka ho khetheha bakeng sa tlhahiso e le 'ngoe le lihlahisoa tse nyenyane,' me e ka hlahisa tšepe e entsoeng ka tšepe, tšepe e entsoeng ka tšepe le li-alloy castings tse se nang ferrous. Mehaho e meng ea Machaena e nkile sebaka ka ho felletseng liforomo tsa lehlabathe le omeletseng la letsopa, liforomo tsa lehlabathe la samente, 'me ka mokhoa o sa fellang li nketse hlobo ea lehlabathe la khalase ea metsi.
Litšebeletso tsa Post-Machining
