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ho etsa ka nepo

Precision Casting mokhoa o bolela lebitso le akaretsang la mekhoa ea Casting e sebelisang liforomo tse se nang tšepe le tseo ho nepahala ha tsona ho leng holimo ho feta tse tloaelehileng tsa hlobo ea lehlabathe, ho kenyelletsa le Lost Wax Casting kapa Investment Casting, Plaster Mold Casting le Ceramics Mold Casting.

 

Ho lahlela ka nepo ka ho tlotsa boka

 

2-1 Likarolo le melemo

 

(1) Bolelele bo boholo ba moeli oa ho lahla ke 700mm, 'me bolelele bo bonolo bo ka tlase ho 200mm. Boima bo boholo ba ho lahla bo ka bang 100 kg, hangata bo ka tlase ho 10 kg.

(2) Mamello ea dimensional ea ho lahla ke 20mm ± 0.13mm, 100mm ± 0.30mm, 200mm ± 0.43mm, 'me ho nepahala ha likarolo tse nyenyane ha ho bonolo ho fihla ka hare ho ± 0.10mm.Angle mamello ea ± 0.5 ~ ± 2. likhato, ho lahlela botenya ba bonyane ba 0.5 ~ 1.5mm.Bokaholimo ba ho lahla bo ka bang Rmax 4S~12S.

(3) thepa ea ho lahla e batla e se na lithibelo leha e le life, tse kang motsoako oa aluminium, motsoako oa magnesium, motsoako oa titanium, motsoako oa koporo, mefuta eohle ea tšepe, cobalt le nickel e thehiloeng mocheso o hanyetsanang le alloy, lisebelisoa tse thata.

(4) tlhahiso ea sebopeho se rarahaneng sa workpiece, ho nepahala ha dimensional, ho fokotseha ho fokolang.

(5) boloka litšila tsa lintho tse bonahalang, ’me li ka hlahisoa ka bongata bo boholo.

 

Dewaxed precision castings e sebelisoa haholo lienjineng tsa jet, li-turbine tsa khase, li-turbine tsa mouoane, likarolo tsa sefofane, lienjine tse tukang ka hare, likoloi, mochini oa lijo, mochini oa khatiso, mochini o etsang pampiri, li-compressor, li-valve, lipompo, limithara, metjhini e rokang, libetsa, mechini ea khoebo. , le likarolo tse ling tsa mochine.

 

2-2 ts'ebetso

 

Ho na le mefuta e 'meli e meholo ea mekhoa ea ho lahla: Mould o Tiileng le Mould oa Ceramic Shell, oa ho qetela e le phetoho ea pele.

 

Mokhoa o tiileng oa hlobo o ela hloko shrinkage ea condensation ea hlobo ea boka, katoloso ea ho futhumatsa ea hlobo le ho fokotseha ha condensation ea tšepe e qhibilihisitsoeng, 'me e hlahisa hlobo e tšoanang le boholo ba ho qetela ba ho lahla.Boka bo qhibilihisitsoeng bo kenngoa ka har'a hlobo e entsoeng ka tšepe kapa gel ea silika, hlobo ea boka e ntšoa, 'me e kolobisoa ka har'a slurry e entsoeng ka ho kopanya phofo ea refractory le binder.Ka mor'a ho rotha, jala refractory e mahoashe-grained' me u lumelle ho omella.Beha ka har'a foreimi ea ho lahla, tlatsa. likaroloana tse refractory tse kopantsoeng le binder, ebe lia omisa qhibiliha e kentswe.

 

Ho hlahisa hlobo ea khetla ea ceramic ho fihlela hlobo ea boka e tšoana le ea hlobo e tiileng, ntle le hore ka mor'a ho qoelisoa le lehlabathe le le leng (kapa lehlabathe le phaphametseng), ts'ebetso ea ho roala ha e etsoe, empa e phetoa ka makhetlo a 'maloa ho fihlela ho reriloe esale pele. Botenya ba khetla bo fumanoa.Mokhoa ona o sebelisoa haholo ke li-dewaxing precision foundry operators hajoale hobane o na le melemo e latelang: ho omisa, ho futhumatsa, ho qhibiliha ka boka, ho futhumatsa mocheso o phahameng ebe o tšela.

 

(1) Botsitso bo betere ba dimensional

(2) tšebeliso e fokolang ea thepa e refractory

(3) boima bo bobebe, bo bonolo ho bo tšoara, etsa li-castings tse kholo

(4) Ts'ebetso ea tlhahiso e ka etsoa ka mokhoa o ikemetseng ho boloka basebetsi le ho ntlafatsa sekhahla sa tlhahiso

(5) Theko e tlaase ea tlhahiso

(6) Sebopeho sa khetla ea ceramic se tšesaane, 'me sekhahla sa ho pholisa sa ho lahla ka mor'a ho lahla se phahame ebile se tšoana, kahoo thepa ea eona ea mochine e molemo.

 

(A) Mohlala o Mong

 

Ponahalo ea mohlala o ka sehloohong e tšoana le ea sehlahisoa sa ho qetela.Ho lokela ho nahanoa ka shrinkage ea condensation ea boka, ho futhumatsa ho atolosoa ha hlobo le shrinkage ea condensation ea tšepe ea ho lahla. Ka mohlala, ha mocheso o batang oa ho fokotseha ha boka ba boka ke 1.2%, tekanyo ea ho atolosa mocheso oa hlobo ke 0.7%. , 'me sekhahla se batang sa ho fokotseha ha tšepe ea tšepe ke 1.7%, tekanyo ea ho eketseha ha boholo ba mohlala o ka sehloohong ke 2.2%.Lisebelisoa tse sebelisoang hangata ke alloy ea aluminium, alloy ea koporo le tšepe e sa hloekang.


Nako ea poso: Apr-08-2021