Precision Casting ke eng?

Precision casting e bolela lentsoe le akaretsang bakeng sa ts'ebetso ea ho fumana li-castings tsa boholo bo nepahetseng.Ha ho bapisoa le mokhoa o tloaelehileng oa ho lahla lehlabathe, li-castings li fumanoa ka ho lahla ka mokhoa o nepahetseng li na le litekanyo tse nepahetseng haholoanyane le ho qeta holimo holimo.Lihlahisoa tsa eona li nepahetse, li rarahane, 'me li haufi le sebōpeho sa ho qetela sa karolo.E ka sebelisoa ka kotloloho ntle le ts'ebetso kapa ts'ebetso.Ke ts'ebetso e tsoetseng pele ea haufi-net-shape.'Me e ka ba e loketseng bakeng sa litaelo tsa kopo ea palo e tlaase.

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E kenyeletsaho kenya chelete, ceramic casting, tšepe ea tšepe, khatello ea khatello, ho lahleheloa ke foam.

Precision casting Ho tloaelehile ho sebelisoa ke ho etsa matsete, ho tsejoang hape e le ho lahleheloa ke boka ba boka.E sebelisoa haholo bakeng sa ho hlahisa tšepe e nang le ferrous le nonferrous metal casting.

Mofuta oa matsete o etsoa ka ho sebelisa thepa e loketseng ea matsete joalo ka parafine.Ho roala ha refractory le ts'ebetso ea lehlabathe la refractory li phetoa holim'a hlobo ea matsete.Khetla e thata ebile e omme.Ka hare ho qhibiliha hlobo e ntan'o qhibiliha ho fumana sekoti.Khetla e phehiloeng e fumanoa ho fumana matla a lekaneng.Thepa e setseng ea matsete e chesoa ebe ho tšeloa thepa ea tšepe e lakatsehang.Ho tiisa, ho phodisa, ho kgetla, ho hlwekisa lehlabathe.Ka tsela eo ho fumana sehlahisoa se felileng se nepahetseng haholo.Phekolo ea mocheso le ho sebetsa ha serame le phekolo ea holim'a metsi ho latela litlhoko tsa sehlahisoa.

Ntle le moo, khethong ea moralo le ea thepa ea castings, Precision castings e na le tokoloho e kholo.E lumella mefuta e mengata ea tšepe kapa tšepe ea alloy bakeng sa matsete.Kahoo 'marakeng oa ho lahlela, Precision casting ke li-casting tsa boleng bo holimo.

Precision casting e boetse e tobane le litšenyehelo tsa ho bopa le nako.Sehlahisoa se seng le se seng se hlahisang, se hloka hlobo le mohlala o le mong oa boka.Ho tla nka nako e eketsehileng le litšenyehelo tse arohaneng.Kahoo ha e na litšenyehelo tse ntle bakeng sa lihlahisoa tse tlaase.

Precision casting e na le mehato e mengata ea ts'ebetso, kahoo ho tla nka nako e eketsehileng bakeng sa ho bapala ka 'ngoe.Haeba ka phallo mola ho bontša.

Ke:

Waxing (mold wax)—repair wax—-wax inspection—-sefate sa sehlopha (wax module tree)—khetla (sekhapetla sa pele, lehlabathe, re-slurry, qetellong Mold air drying)—Dewaxing (mouoane oa mouoane)——-Ho chesa hlobo— Chemical analysis-casting (ho betsa tšepe e qhibilihisitsoeng ka har'a khetla ea hlobo)—- ho thothomela—Ho thothomela— Ho seha le ho tšeloa ha molamu—--heke ea ho sila—tlhahlobo ea pele (tlhahlobo e nang le boea)—ho phatloha—–machining—–ho pholisa—ho qetela tlhahlobo— Polokelo

E latelang ke kenyelletso ea mantlha ea Precision casting.

Mekhoa ea Precision Casting ke Eng

Mohato oa 1. TLHALOSO EA MOSEBETSI

Joalo ka setšoantšo, moenjiniere oa rona o tla phethela moralo oa hlobo.Hlobo e rekoa fekthering ea hlobo.

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Mohato oa 2. KETSO EA WAX

Boka bo kenngoe ka mochini.Moralo oa boka oa li-castings tse lakatsehang o hlahisoa ka ho bopa ente.Mokhoa ona o bitsoa mekhoa.

Mohato oa 3 .KOPANO SEFATE

Mekhoa e khomaretsoe ho thupa e bohareng ea boka, e bitsoang sprue, ho etsa sehlopha sa ho lahla kapa sefate sa kopano.

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Mohato oa 4. HO ETSA KHELA

Khetla e hahiloe ka ho qoelisa kopano ka har'a mokelikeli oa ceramic slurry ebe e kenngoa betheng ea lehlabathe le letle haholo.Ho ka sebelisoa ka mokhoa ona ho fihla ho SIX layers.Khetla e tla omella ha ho etsoa lera ka leng.

Mohato oa 5. DEWAX

Hang ha ceramic e omme, ebe e futhumatsa.Boka bo tla qhibiliha.Boka bo qhibilihisitsoeng bo tla tsoa ka khetla.

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Mohato oa 6. HO LAHLA

Ka mokhoa o tloaelehileng, khetla e tlatsitsoe ka tšepe e qhibilihisitsoeng ka ho tšela matla a khoheli.Ha tšepe e pholile, likarolo le liheke, li-sprue, le senoelo sa ho tšela li fetoha ho lahla ho tiileng.

Mohato oa 7. KNOCKOUT

Ha tšepe e se e pholile ebile e tiile, khetla ea ceramic e tla rojoa ka ho thothomela kapa mochine o kokotang.

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Mohato oa 8. KHAOTSA

Likarolo li khaoloa hole le sefate sa spruce se bohareng ho sebelisoa sakha ea lebelo le holimo.

Mohato oa 9. HO HALA

Ka mor'a hore setopo se khaoloe.Karolo ea ho tšela e tla siloa ka hloko.

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Mohato oa 10.Tlhahlobo le Kalafo ea Post.

Ho lahla ho tla hlahlojoa ke mohlahlobi ho latela setšoantšo le kopo ea boleng.Haeba ho na le likarolo tse sa lokelang.E tla lokisoa le ho hlahlojoa hape.

Mohato 11. QETELA CASTINGS

Ka mor'a ts'ebetso ea ho qeta holimo, li-castings tsa tšepe li tšoana le mekhoa ea boka ba pele 'me li se li loketse ho romelloa ho moreki.

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Haeba u moetsi ea nepahetseng, u lokela ho tseba lintlha tse ling tsa Tšusumetso

Tšusumetso ea ho nepahala 

Tlas'a maemo a tloaelehileng, ho nepahala ha li-dimensional tsa li-castings tse nepahetseng ho angoa ke lintlha tse ngata tse kang sebopeho sa thepa ea ho lahla, ho bopa, ho bokella likhetla, ho besoa le ho lahlela.E 'ngoe ea lihokelo tse behiloeng le ts'ebetso e sa utloahaleng e tla fetola sekhahla sa shrinkage ea ho lahlela.Ho nepahala ha dimensional tsa ho lahlela ho khelohile litlhoko.Lintlha tse latelang ke tse ka bakang liphoso mabapi le ho nepahala ha li-castings tse nepahetseng:

(1) Tšusumetso ea sebopeho sa ho lahla.

a.Ho lahla ho na le lerako le teteaneng le ho fokotseha ho hoholo.Ho lahla ho na le lerako le tšesaane le ho fokotseha ho honyenyane.

b.Sekhahla sa mahala sa shrinkage se seholo, se sitisang sekhahla sa ho fokotseha.

(2) Tšusumetso ea lintho tse lahliloeng.

a.Ha carbon content ea thepa e phahame, ho fokotseha ha mohala ho fokotseha.Ha khabone e le tlase, mothapo o honyela haholo.

b.Ho fokotseha ha lisebelisoa tse tloaelehileng ke ka tsela e latelang: ho lahla shrinkage K = (LM-LJ) / LJ × 100%, LM ke boholo ba cavity, 'me LJ ke boholo ba ho lahla.K e angoa ke lintlha tse latelang: hlobo ea boka K1, sebopeho sa ho lahla K2, mofuta oa alloy K3, mocheso oa ho lahlela K4.

(3) Tšusumetso ea ho etsa hlobo ka ho fokotseha ha mohala oa ho lahla.

a.Phello ea mocheso oa boka, khatello ea boka, le nako ea ho lula ka boholo ba ho qhibiliha ke eona e totobetseng ka ho fetisisa.E lateloa ke khatello ea boka.Nako ea ho ts'oara e na le phello e fokolang ho boholo ba ho qetela ba letsete ka mor'a hore ho netefatsoe hore ho etsoa ente.

b.Ho fokotseha ha mela ea boka (molding) ea thepa e ka bang 0.9-1.1%.

c.Ha hlobo ea matsete e bolokiloe, ho fokotseha ho eketsehileng ho tla etsahala, 'me boleng ba shrinkage bo ka bang 10% ea kakaretso ea shrinkage.Leha ho le joalo, ka mor'a lihora tse 12 tsa polokelo, boholo ba matsete bo ne bo tsitsitse haholo.

d.The radial shrinkage ea hlobo ea boka ke 30-40% feela ea shrinkage ka lehlakoreng la longitudinal, 'me phello ea mocheso oa boka holim'a shrinkage ea mahala e kholo haholo ho feta phello ea shrinkage e hanyetsang (mocheso o nepahetseng oa boka ke 57- 59 ° C, Ha mocheso o phahame, ho fokotseha ho hoholo).

(4) Tšusumetso ea thepa ea khetla.

Lehlabathe la Zircon le phofo ea zircon li sebelisoa ka lebaka la coefficient ea tsona e nyenyane ea ho atolosa, e leng 4.6 × 10-6 / ° C feela, kahoo e ka hlokomolohuoa.

(5) Phello ea ho baka likhetla.

Kaha coefficient ea ho atolosa ea khetla e nyenyane, ha mocheso oa khetla o le 1150 ° C, ke 0.053% feela, kahoo e ka hlokomolohuoa.

(6) Tšusumetso ea mocheso oa ho lahla.

Ha mocheso oa ho lahlela o phahame, ho fokotseha ho hoholo.Thempereichara ea ho tšela e tlase mme sekhahla sa ho honyela se nyane.Ka hona, mocheso oa ho tšela o lokela ho ba o loketseng.

Melemo ea Precision castings

Phethahatso e Phethahetseng

Ts'ebetso ea ho etsa matsete e fana ka sebaka se holimo haholo ho feta ha se bapisoa le forgings le sand castings.Ka linako tse ling sena ke sa bohlokoa 'me se ka qoba ho sebetsa ka mechine kapa mesebetsi e meng ea ho qetela.

Haufi le meralo ea likarolo tse felileng

Investment Castings e fana ka libopeho tse haufi tsa likarolo tse entsoeng, kahoo e felisa kapa e fokotsa litšenyehelo tsa mochini.Likoti, li-undercuts, slots, le lintlha tse ling tse thata tse ke keng tsa etsoa ka mekhoa e meng hangata li ka fanoa.Molemo o eketsehileng oa sebopeho se haufi le letlooa ke ho boloka thepa, haholo-holo ka li-alloys tse turang tse kang nickel le cobalt alloys.

Mamello e Matla

Ka lebaka la mofuta oa ts'ebetso, Investment Castings e ka ts'oaroa ka mamello e matla ho feta ho lahla lehlabathe kapa ho qhekella.

Litšenyehelo tsa Competitive Tooling

Litefiso tsa pele tsa lisebelisoa tsa ho etsa matsete hangata li theko e tlase ho feta tsa lehlabathe.

Lisebelisoa tsa lebota tse tšesaane

Ts'ebetso ea ho lahla matsete e khona ho etsa li-castings tse tšepahalang tse nang le marako a masesaane ho feta li-castings tsa lehlabathe.Melemo e kenyelletsa likhahla tse fokolang haholo le li-castings tse boima bo fokolang ka lebaka la bokhoni bo fokolang ba lebota.

Litšitiso tse fokolang tsa ho lahlela

Ho ba ts'ebetso e hloekileng ho feta hlobo ea lehlabathe, li-castings tsa matsete, ka kakaretso, li fana ka liperesente tse phahameng haholo tsa li-castings tsa mahala.

Tloaelehileng Precision Casting

Lihlahisoa tse entsoeng ka mokhoa o nepahetseng li sebelisoa likarolong tsohle tsa indasteri, haholo-holo lisebelisoa tsa elektronike, petroleum, lik'hemik'hale, matla, lipalangoang, indasteri e khanyang, masela, meriana, lisebelisoa tsa bongaka, lipompo le li-valve.

Lihlahisoa tsa Precision casting:

Aluminium casting: kakaretso ea aluminium |lebokose la aluminium

Lisebelisoa tsa koporo le aluminium: lipoleiti tsa koporo, matsoho a koporo |li-castings tsa koporo tse nepahetseng

Lisebelisoa tsa tšepe: li-castings tse kholo tsa tšepe |li-castings tse nyenyane tsa tšepe |ho nepahala tšepe castings |CDL1 |CGAS |CGKD |CGKA |CGA

Lisebelisoa tsa koporo le aluminium

Ferro Tungsten

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China Precision Casting Foundry

Re mokhatlo oa China precision casting o teng Shandong.Ka mokhoa o nepahetseng oa ho lahla, re ka akhela li-alloys tse ka bang 300.Litšepe tsa rona li kenyelletsa tšepe e sa hloekang, tšepe ea lisebelisoa, tšepe ea k'habone, tšepe ea ductile, aluminium, koporo, koporo, le litšepe tse ling tsa alloy.Precision casting e loketse meralo e rarahaneng le e qaqileng ea likarolo, joalo ka li-impellers.Hobane e sebelisa likhetla tse lahlehileng tsa boka ba ceramic.Mekhoa ea eona e entsoe esale pele.Ka mor'a ho tšela, e ka phethoa.Haeba kopo e phethahetseng haholoanyane, e ka etsoa ka machining le ka mor'a phekolo.

Ka lilemo tse 23 tsa nalane, re entse letsete la maemo a holimo le ho etsa lintho ka nepo.Setsi sa rona sa khoebo ke ho fana ka li-castings tsa boleng bo holimo tse nang le ts'ebetso e phahameng ea ts'ebetso.Ntle le tsena, re ka boela ra fana ka ho lahla ka mokhoa o nepahetseng, ho lahla ka mokhoa o nepahetseng oa aluminium, ho lahla ka mokhoa o nepahetseng oa tšepe.Re ka thabela ho ba morekisi oa hau ea tšepahalang bakeng sa likarolo tsa hau tse nepahetseng.Lefapha la rona la ho etsa lintho ka nepo le tla u fa tlhahiso e felletseng mabapi le moralo oa sehlahisoa, khetho ea thepa, lintlha tsa mochini, joalo-joalo bakeng sa referense ea hau.

Mohloli oa sengoloa: https://www.investmentcastingpci.com


Nako ea poso: Jun-05-2023