The Ultimate Guide to Custom Metal Casting in China: High-Quality Ductile & Gray Iron Parts for Global Industries 

1.1 Ho hlalosa mokhoa: ho tloha ho paterone ho ea ho karolo ya tshepe

Metal casting ke ts'ebetso ea tlhahiso eo ho eona tšepe e qhibilihisitsoeng e tšeloang ka mokoting oa hlobo o phetang karolo e lakatsehang ea geometry, e e lumellang hore e tiee ho ba karolo e felileng kapa e haufi le ho fela. Potoloho ea mantlha ea ho lahla e na le mehato e 'maloa ea bohlokoa: ho etsa mohlala, ho bopa, ho qhibiliha, ho tšela, ho tiisa, ho pholisa le ho qeta. Mohlala, oo hangata o entsoeng ka lehong, tšepe, kapa polasetiki, o etsa sekoti ka har'a hlobo. Bakeng sa lijeometri tse rarahaneng tsa ka hare, li-cores li kenngoa ho etsa liphaseje tse kang tsa pompo le li-valve castings. Hang ha hlobo e se e lokisitsoe, motsoako o khethiloeng-joaloka tšepe e bohlooho kapa ductile iron-e qhibiliha ka sebōping (cupola, induction ea motlakase, kapa sebōpi sa motlakase sa arc) 'me se tšeloa ka mocheso o laoloang ka hloko. Ho tiisa ho qala ha tšepe e pholile, e fetoha ho tloha ho metsi ho ea ho tiileng ka har'a hlobo. Kamora ho tiisa ka botlalo, ho lahla hoa tsokoa, ho hloekisoa, ho phekoloa ka mocheso haeba ho hlokahala, 'me ho kenngoe ka mochini ho fihlela mamello ea ho qetela.

Hobaneng ha likarolo tsa tšepe li laola mochini: Cast iron e lula e le sesebelisoa sa khetho bakeng sa lits'ebetso tse ngata tsa indasteri ka lebaka la melemo e meraro ea tlhaho: ho thothomela, ho hanyetsa, le machinability. Aine e putsoa, ​​e nang le sebopeho sa eona sa flake graphite, e monya matla a ho sisinyeha ka tsela e ikhethang—e etsa hore e be sebaka se loketseng bakeng sa lithulusi tsa mochini, litene tsa enjine le likarolo tsa mochini oa kaho tse tlamehang ho sebetsa ka khutso le ka nepo. graphite e boetse e sebetsa e le setlolo se hahelletsoeng ka hare, se matlafatsang khanyetso lits'ebetsong tse thellang joalo ka meropa ea mariki le li-clamping fixtures. Ho feta moo, bokhoni ba tšepe ea tšepe bo lumella ho itšeha ka lebelo le phahameng ka ho roala lisebelisoa tse fokolang, ho fokotsa litšenyehelo tse akaretsang tsa tlhahiso. Litšobotsi tsena li hlalosa hore na ke hobane'ng ha likarolo tsa tšepe tse entsoeng ka tšepe li ntse li tsoela pele ho hlalosoa ka literaka tse boima, thepa ea temo le likarolo tse ling tsa terene ea terene.

1.2 The metheo ea ho etsa tšepe: ho phalla ha mokelikeli, ho tiisa, ho fokotseha

Ho utloisisa fisiks ea mantlha ka morao ho ho lahlela ho bohlokoa bakeng sa ho hlahisa likarolo tse nang le molumo, tse se nang sekoli.

Mokelikeli oa tšepe e qhibilihisitsoeng e bua ka bokhoni ba eona ba ho tlatsa likarolo tse tšesaane le lintlha tse rarahaneng pele ho leqhoa. Mokelikeli o itšetlehile haholo ka motsoako oa motsoako le mocheso o tšollang. Grey iron, e nang le k'habone e phahameng le sebopeho se haufi le eutectic, e bonts'a mokelikeli o motle haholo - e ka phalla ka har'a mabota a masesaane joalo ka 3 mm. Aene ea ductile, leha mokelikeli o le tlase ka lebaka la kalafo ea eona ea magnesium, e ntse e tlatsa li-geometri tse rarahaneng ha ho sebelisoa litsamaiso tse hlophisitsoeng hantle tsa liheke. Sena se bohlokoa bakeng sa ho hlahisa likarolo tsa mechini ea temo e nang le likhopo tse tšesaane kapa likarolo tsa seporo sa terene tse nang le litselana tse rarahaneng tsa mariki.

Mekhoa ea ho tiisa etsa qeto ea ho qetela ea microstructure le thepa ea mochine. Ha tšepe e qhibilihisitsoeng e pholile, likristale (nuclei) lia theha le ho hōla. Ka tšepe e 'mala o moputsoa, ​​​​graphite e theoha joalo ka mapheo nakong ea ho tiea ha eutectic, e fa likarolo tsa mochini oa tšepe ea bohlooho ponahalo ea tsona ea ho robeha le matla a ho putlama. Ka tšepe ea ductile, graphite e etsa li-nodule tsa spherical ka lebaka la magnesium kapa cerium inoculation-mopholoji ena ea nodular e felisa khatello ea kelello 'me e fana ka bolelele le boima bo hlokahalang bakeng sa likarolo tsa mechine ea tšepe ea ductile. Mokhoa oa solidification o boetse o ama boits'oaro ba ho honyela: tšepe e putsoa e hola hanyane nakong ea ho etsoa ha graphite (katoloso ea graphitization), e thusang ho fokotsa ho honyela ha macro-shrinkage, athe ductile iron e kenella ho hoholo hoa metsi-ho-solid mme e hloka phepo e nepahetseng.

Tumello ea ho fokotseha le moralo oa riser: Litšepe tsohle lia kotola ha li ntse li pholile 'me li tiisa. E le ho thibela masoba a ka hare (porosity) a pompo le li-valve kapa li-hydraulic manifolds, baenjiniere ba li-foundry ba etsa lisebelisoa tsa ho phahama (li-feeders) - matamo a tšepe e qhibilihisitsoeng a lefellang ho fokotseha ha volumetric. Li-risers li tlameha ho lula li le metsi ho fihlela samente e tiea ka ho feletseng. Bakeng sa li-geometri tse rarahaneng tsa tšepe, ketsiso ea software e bolela esale pele libaka tse chesang le ho ntlafatsa sebaka sa ho phahama, ho netefatsa ho tiea ha khatello 'meleng ea li-valve le sebopeho sa sebopeho sa teraka e boima le likarolo tsa koloi.

1.3 Bapisa le diy metal casting & maemo a histori

Mokhoa oa ho lahlela ka mor'a ntlo o fapana joang le taolo ea boleng ba lisebelisoa tsa tšepe tsa indasteri: DIY metal casting, e tsebahalang har'a batho ba ratang ho itlosa bolutu le baetsi ba litšoantšo, hangata e sebelisa mekhoa e bonolo joalo ka foam e lahlehileng kapa lehlabathe le letala ka har'a meaho e menyenyane e ka morao. Le ha e ka hlahisa bonono kapa li-prototypes tse sebetsang, ha e na taolo e matla ea boleng ba setsi sa tšepe sa indasteri. Litsebi tsa litsebi li sebelisa tlhahlobo ea spectroscopic bakeng sa ho qhibiliha ho hong le ho hong, tlhahlobo ea mochini (ho tiea, ho thatafala, tšusumetso), tlhahlobo e sa senyeheng (ultrasonic, particle particle), le tlhahlobo ea mahlakore ka li-CMM. Bakeng sa lits'ebetso tsa bohlokoa - likarolo tse ling tsa terene ea terene, likarolo tsa mochini oa kaho, kapa likarolo tsa bohlokoa tsa koloi - boemo bona ba taolo bo ke ke ba buisanoa. The metallurgical consistency, traceability, and engineering support e fanoeng ke professional foundry e ke ke ea phetoa ka mokhoa oa DIY.

Phetoho e khuts'oane: ho tloha ho bonono ho ea ho boenjiniere bo nepahetseng: Casting ke e 'ngoe ea mesebetsi ea khale ka ho fetisisa ea bonono, e qalileng ka 4000 BCE. Batho ba mehleng ea khale ba ne ba etsa lisebelisoa le libetsa tsa boronse. Phetoho ea Liindasteri e ile ea tlisa ho sebelisoa ha mechine le tšebeliso e pharalletseng ea tšepe e entsoeng ka tšepe bakeng sa marokho, lienjine le mechine. Kajeno, casting e fetohile thuto ea boenjiniere e nepahetseng haholo, e kopanyang ketsiso ea khomphutha, mehala e ikemetseng le metallurgy e tsoetseng pele. Likarolo tsa mochini oa sejoale-joale oa kaho le likarolo tsa mochini oa temo li hlahisoa ho mamellana ho neng ho ka be ho sa nahanoa lilemong tse lekholo tse fetileng. Phetoho ena e totobatsa bohlokoa ba ho sebelisana le setsi sa tšepe se nang le tsebo se kopanyang moetlo le theknoloji.

2.1 Gravity die casting - matla a khoheli likarolo tsa tšepe

Gravity die casting, eo hape e tsejoang e le ho lahla hlobo e sa feleng, e sebelisa liforomo tsa tšepe tse ka sebelisoang hape (e shoang) tse entsoeng ka tšepe ea sesebelisoa kapa tšepe e entsoeng ka tšepe. Hlobo e chesoa pele, e koahetsoe ka ntho e thibelang ho lokolloa, ebe tšepe e qhibilihisitsoeng e tšeloa tlas'a matla a khoheli. Solidification e potlakisoa ke metal die, e hlahisang microstructure e ntle, e teteaneng.

Melemo: Ho pheta-pheta hantle, lisebelisoa tse ntlafalitsoeng tsa mochini (matla a holimo le ho thatafala ha ho bapisoa le ho chesoa ha lehlabathe), sephetho se setle sa bokaholimo, le ho lekana ha molumo oa mahareng ho isa holimo. Likarolo tsa tšepe ea matla a khoheli li bonts'a porosity e fokolang ea khase le litekanyo tse sa fetoheng.

Lisebelisoa tse tloaelehileng: Lilori tse boima le likarolo tsa koloi joalo ka meropa ea mariki, li-brake caliper le likarolo tse emisitsoeng; li-hardware clamping fixture body tse hlokang botsitso le ho itoanela; le matlo a bonolo a pompo. Ts'ebetso e boetse e sebelisoa bakeng sa likarolo tsa mochini oa kaho joalo ka likarolo tsa hydraulic cylinder.

2.2 Ho bopa likhetla - ho nepahala khetla ho bopa likarolo tsa tšepe

Ho bopa likhetla, tse entsoeng Jeremane nakong ea Ntoa ea II ea Lefatše, ho sebelisa hlobo e nang le mabota a masesaane e entsoeng ka lehlabathe le koahetsoeng ka resin. Paterone ea tšepe e futhumetseng e koahetsoe ka motsoako oa lehlabathe-resin, e folisang hanyane ho etsa khetla e thata (hangata botenya ba 6-12 mm). Joale likhetla lia bokelloa, li tšehelitsoe ka sethunya kapa lehlabathe, ebe li tšeloa.

Melemo: Qetello e ikhethang ea bokaholimo (Ra 3–8 µm), ho nepahala ha maemo a holimo (CT5–CT7), bokhoni ba ho akhela mabota a masesaane (ho fihla ho 2.5 mm), le tlhahiso e ntle haholo ea lintlha tse ntle. Ho putlama ha khetla ka mor'a ho tšela ho nolofatsa ho hloekisa.

Lisebelisoa tse tloaelehileng: Likarolo tsa tšepe tse entsoeng ka likhetla li loketse likarolo tsa mochini oa temo joalo ka matlo a li-gearbox le 'mele ea hydraulic valve; likarolo tsa seporo sa terene joalo ka lisilindara tsa brake le likarolo tsa coupler; le lisebelisoa tse rarahaneng tsa pompo le li-valve tse hlokang litselana tse boreleli tsa ka hare. Ts'ebetso e boetse e sebelisoa bakeng sa ho lahla tšepe e rarahaneng ea likarolo tsa mochini oa tšepe ea ductile moo libaka tse nepahetseng tsa ho nyalana li leng bohlokoa.

2.3 Ho lahla lehlabathe le karolo ea tloaelo ea tšepe ea tšepe

Ho lahla lehlabathe e ntse e le mokhoa o feto-fetohang le o sebelisoang ka ho fetisisa oa ho lahla, o sebelisa liforomo tse entsoeng ka lehlabathe la silica le kopantsoeng. Mefuta e 'meli e tloaelehileng ke lehlabathe le letala (le tlamahaneng ka letsopa, le mongobo) le lehlabathe la no-bake (le kopantsoeng le lik'hemik'hale).

Sistimi ea lehlabathe le letala le ho se bake bakeng sa mefuta e tlase ho isa ho e mahareng: Ho hlahisa lehlabathe le letala ho na le chelete e ngata bakeng sa li-prototypes le li-run tse khutšoane, athe li-no-bake system li hlahisa li-casts tse kholo tse nang le botsitso bo betere. Ho chesoa ha lehlabathe ho amohela boholo bo sa lekanyetsoang, ho tloha ho lisebelisoa tse nyane tsa li-clamping ho isa ho likarolo tsa mochini oa kaho oa lithane tse ngata.

Mokhoa oa ho etsa tšepe o tloaelehileng o nolofalletsang tokoloho ea moralo oa OEM: Bakeng sa li-OEM tse hlahisang lihlahisoa tse ncha, ho lahla tšepe ka tloaelo ho fana ka monyetla oa ho etsa meralo e pheta-phetoang ntle le litšenyehelo tse thibelang tsa lisebelisoa. Lipaterone li ka fetoloa, 'me li-alloys tse fapaneng (tšepe e bohlooho, tšepe ea ductile, tšepe e kopantsoeng ea graphite) e ka lekoa. Sena ke sa bohlokoa ka ho khetheha bakeng sa likarolo tsa mochini oa tšepe ea grey cast tse hlokang litšobotsi tse itseng tsa mongobo kapa bakeng sa likarolo tsa mochini tsa ductile iron tse tlamehang ho fihlela litlhoko tse fapaneng tsa matla. Lisebelisoa tsa tšepe tse tloahelehileng li koala lekhalo lipakeng tsa prototype le tlhahiso, e lumella baenjiniere ho ntlafatsa ts'ebetso pele ba sebelisa lisebelisoa tsa molumo o phahameng.

2.4 Mekhoa e tsoetseng pele: semi solid metal casting & boka ba tšepe ho akhela (matsete)

Semi solid metal casting (thixocasting / rheocasting): Ts'ebetsong ena, tšepe e futhumatsoa ho mocheso pakeng tsa liquidus le solidus (semi-solid state) ebe e kenngoa ka har'a lefu tlas'a khatello e phahameng. Semi-solid slurry e bonts'a boitšoaro ba thixotropic-e phalla ha e kuta empa e ema ha e phomotse. Sena se fella ka likarolo tse haufi tsa sebopeho se nang le porosity e tlase haholo, sebopeho se setle sa microstructure, le lisebelisoa tse ntle tsa mochini. Bakeng sa lisebelisoa tse rarahaneng tsa tšepe tse kang li-brackets tsa likoloi tse nang le botšepehi bo phahameng kapa lisebelisoa tsa sefofane, semi-solid casting e fana ka melemo e ikhethang. Le hoja e atile haholo ho aluminium le magnesium, lipatlisiso li ntse li tsoela pele bakeng sa li-alloys tse thehiloeng ho tšepe.

Ho lahla matsete (ho lahla boka ba tšepe): Ts'ebetso ea matsete, eo hape e bitsoang "lahleha-wax casting", e qala ka mokhoa oa boka o koahetsoeng ka likarolo tse ngata tsa ceramic slurry ho etsa khetla. Joale boka bo ea qhibiliha (lahleha), 'me khetla ea ceramic e chesoa, e siea sekoti se nepahetseng sa hlobo. Ho tšeloa tšepe e qhibilihisitsoeng, 'me ka mor'a ho tiisa, khetla ea robeha. Ts'ebetso ena e fana ka pheletso e ikhethang (Ra 1.6–3.2 µm), mamello e tiileng, le bokhoni ba ho etsa li-geometri tse rarahaneng tse nang le li-undercuts. Bakeng sa li-castings tse rarahaneng tsa pompo le li-valve, lintlha tsa lisebelisoa tsa li-clamping, le likarolo tse ling tsa terene ea terene tse nang le litselana tse rarahaneng tsa ka hare, ho lahla tšepe ea boka hangata ke khetho e nepahetseng.

3.1 Likarolo tsa mochini tse entsoeng ka tšepe tse bohlooho - sebopeho le lits'ebetso

Grey iron e reha lebitso la eona ho tsoa sebakeng se boputsoa se robehileng se bakoang ke flake graphite. Li-graphite flakes li sebetsa e le li-concentrators tsa khatello ea kelello, tse fokotsang matla a ho tsitsa le ho ba le ductility empa li fana ka bokhoni bo ikhethang ba ho fokotsa mocheso le mocheso oa mocheso.

Flake graphite: damping, conductivity ea mocheso: Li-flakes tse hokahaneng tsa graphite li na le ho sisinyeha ha mongobo, li etsa hore tšepe e bohlooho e be thepa e ratoang haholo bakeng sa lisebelisoa tsa mochini, li-block tsa enjine le likarolo tsa mochini oa kaho joalo ka matlo a likere le liforeimi. graphite e boetse e tsamaisa mocheso hole le libaka tse chesang haholo, ke ka lebaka leo iron e grey e sebelisoang bakeng sa meropa ea mariki le mariki a disc terakeng e boima le likarolo tsa koloi.

Lisebelisoa tse tloaelehileng: Likarolo tsa mochini oa tšepe ea Grey cast li sebelisoa haholo ho pompo le li-valve bakeng sa likhatello tse itekanetseng, likarolo tsa mochini oa kaho tse hlokang botsitso bo boholo, le mechini e akaretsang ea indasteri moo litšenyehelo le ho fokotsa metsi e leng lintho tse tlang pele.

3.2 Likarolo tsa mechine ea tšepe ea ductile / Ho lahla tšepe ea ductile - matla & toughness

DUctile iron, eo hape e tsejoang e le nodular kapa spheroidal graphite iron, e qapiloe ka bo-1940. Ka ho eketsa magnesium kapa cerium ho tšepe e qhibilihisitsoeng, graphite e phalla e le maqhutsu a chitja ho e-na le li-flakes. Morpholoji ena e felisa khatello ea maikutlo, e fana ka ductility e kholo le ho tiea.

Nodular graphite: bolelele bo phahameng, ho hanyetsa tšusumetso: Likarolo tsa mochini oa tšepe oa ductile li ka lelefatsa 5-18% ho latela maemo, tsa etsa hore li tšoanelehe bakeng sa lits'ebetso tse matla le tse nang le tšusumetso. Likarolo tsa lisebelisoa tsa terene tse kang li-couplers, lisebelisoa tse emisitsoeng, le li-hanger tsa brake li itšetlehile ka bokhoni ba tšepe ea ductile ea ho monya ho makala ntle le ho robeha. Likarolo tsa mochini oa temo joalo ka likabelo tsa mohoma, matlo a li-gearbox, le matsoho a phahamisang li rua molemo ho kopantseng matla le ho itoanela.

Mephato le khetho: Likarolo tse tloaelehileng tsa tšepe ea ductile li kenyelletsa 60-40-18 (ferritic, high ductility), 80-55-06 (pearlitic / ferritic, thepa e leka-lekaneng), le 100-70-03 (pearlitic, matla a phahameng). Bakeng sa lilori tse boima le likarolo tsa koloi joalo ka li-axle housings, li-hanger tsa selemo, le li-engine mounts, grade 80-55-06 kapa 65-45-12 hangata e hlalosoa. Khetho e itšetlehile ka motsoako o hlokahalang oa matla, ductility, le ho hanyetsa mokhathala.

3.3 Malapa a tšepe e khethehileng

Aene ea graphite e kopantsoeng (CGI): CGI e na le graphite morphology lipakeng tsa flake le nodular-vermicular or compacted. E fana ka matla a phahameng le ho satalla ho feta tšepe e bohlooho, e nang le conductivity e betere ea mocheso le mongobo ho feta tšepe ea ductile. CGI e sebelisoa lits'ebetsong tse boima joalo ka li-block tsa enjine ea diesel, li-brake discs tsa likoloi tse sebetsang hantle haholo, le lipompo tsa pompo le li-valve tse laoloang ke libaesekele tse futhumetseng.

Alloyed irons bakeng sa moaparo o feteletseng: Nickel, chromium, molybdenum, le koporo li eketsoa ho matlafatsa ho thatafala, ho hanyetsa ho bola, kapa matla a mocheso o phahameng. Ni‑hard (martensitic white iron) e sebelisoa bakeng sa lipompo tsa slurry le lisebelisoa tsa morafo. High-silicon ductile iron (SiMo) e sebeletsa li-exhaust manifolds le matlo a turbocharger.

Liphello tsa kalafo ea mocheso: Annealing (ferritizing) e ntlafatsa ductility, normalizing eketsa matla, 'me austempering e hlahisa austempered ductile iron (ADI) ka matla a ikhethang-to-weight ratios-e loketseng bakeng sa likere, likarolo tsa mechine ea temo, le lisebelisoa tsa hardware clamping tse hlokang ho hanyetsa ho feteletseng.

4.1 Terene ea Terene Spare Part li-castings

Likarolo tsa terene li tlameha ho mamella lilemo tse mashome tsa ho palamisoa ka cyclic, tšusumetso, le ho pepeseha tikolohong. Likarolo tse tloaelehileng tsa terene ea terene tse hlahisoang e le li-castings li kenyelletsa:

• Likarolo tsa Brake: Brake cylinders, brake hangers, le litšepe tsa lieta tsa brake. Tsena li hloka likarolo tse tšepahalang tsa tšepe tsa ductile tse nang le bolelele bo tiisitsoeng le matla a mokhathala.

• Matlo a banyalani le lijoko: Likarolo tsa bohlokoa tsa polokeho tse fetisang matla a ho hohella le ho buffing. Ho lahla tšepe ea ductile (grade 80-55-06 kapa 100-70-03) ho tiisa ho tiea le ho hanyetsa ho robeha ha brittle.

• Likarolo tse emisitsoeng: Litulo tsa selemo, maballo a lekanang, le matlo a mabokose a li-axle. Mekhoa e rarahaneng ea ho lahla tšepe e hlahisa libopeho tse rarahaneng tse hlokahalang bakeng sa meralo ea sejoale-joale ea bogie.

4.2 Likarolo tsa literaka tse boima le tsa likoloi & likarolo tsa mochini oa kaho

Makala a makoloi a khoebo le lisebelisoa tsa kaho a hloka li-casts tse matla, tse ts'epahalang tse mamellang meroalo e feteletseng le tikoloho e hohlang.

• Lilori tse boima le likarolo tsa koloi: Li-axle housings (banjo kapa mofuta o arohaneng), li-carriers tse fapaneng, mekotla ea li-gearbox, meropa ea mariki, le lisebelisoa tsa enjene. Likarolo tsa mochini tsa ductile iron li laola moo mokhathala o leng bohlokoa, athe likarolo tsa mochini oa iron cast o moputsoa li khethoa bakeng sa ho phopholetsa le ho sebetsa hantle ho li-block tsa enjine le li-flywheels.

• Likarolo tsa mochini oa kaho: Likarolo tsa sekoaelo sa undercarriage (li-sprockets, rollers), li-crane counterweights, li-blocks tsa hydraulic manifold, le matlo a lisebelisoa. Likarolo tsa tšepe tse entsoeng ka matla a khoheli li fana ka boima bo hlokahalang bakeng sa li-hydraulics tsa khatello e phahameng, ha likarolo tsa tšepe tse entsoeng ka khetla li netefatsa ho nepahala ha li-interface tsa valve.

4.3 Likarolo tsa mochini oa temo & sesebelisoa sa hardware clamping

Temo e itšetlehile ka li-casting tse tšoarellang, tse sa senyeheng tse sebetsang mobung, mongobo le meroalo e sa tšoaneng.

• Likarolo tsa mochini oa temo: Matlo a phetiso ea terekere, likhase tse fapaneng, likarolo tsa mohoma, libaka tsa ho lema, le ho kopanya likarolo tsa kotulo. Likarolo tsa mochini oa tšepe (hangata ha li koalehile) li hanana le ho roala ha tšepe, athe tšepe e putsoa e fana ka ho fokotsa chelete e ngata bakeng sa li-gearbox.

• Sebopeho sa Hardware clamping: Li-jigs tse nepahetseng, li-fixture bases, matsoho a tlamang, le 'mele ea lisebelisoa. Tsena li hloka botsitso bo botle ba sebopeho le ho batalla. Likarolo tsa tšepe tse entsoeng ka matla a khoheli le likarolo tsa tšepe tsa khetla li sebelisoa hangata ho fihlela ho nepahala ho ka phetoa.

4.4 Lisebelisoa tsa pompo le li-valve - ho tiea ha khatello le ho hanyetsa ho bola

Likarolo tsa ho sebetsana le mokelikeli li tlameha ho tiea khatello, li se ke tsa bola, 'me li nepahale hantle.

• 'Mele oa li-valve, libonete, le liheke: Bakeng sa litšebeletso tsa metsi, oli, khase le lik'hemik'hale. Likarolo tsa mochini oa tšepe ea Grey cast li loketse lits'ebetso tsa khatello e tlase (ho fihla ho PN16), ha tšepe ea ductile e eketsa lebelo la khatello mme e fana ka khanyetso bakeng sa maemo a thata.

• Li-impellers le matlo a pompo: Complex metal casting (hangata ho etsa matsete) ho hlahisa litsela tse rarahaneng tse hlokahalang bakeng sa ts'ebetso e phahameng. Boka ba tšepe bo sebelisoa bakeng sa tšepe e sa hloekang le lipompo tsa alloy tse phahameng. Taolo ea boleng e kenyelletsa tlhahlobo ea khatello, tlhahlobo ea X-ray, le netefatso ea boholo.

  

5.1 China-e thehiloe boleng bo phahameng moetsi & fektheri melemo

China e se e le setsi sa lefats'e sa ho akhela litšepe ka lebaka la kopanyo ea eona ea botsebi ba tekheniki, meaho ea sejoale-joale, le ts'ebeliso e ntle ea litšenyehelo. Moetsi oa likarolo tsa tšepe tsa boleng bo holimo oa China hangata o fana ka:

• Lisebelisoa tse kopantsoeng ka holimo: Ho etsa lipaterone tsa ka tlung, ho qhibiliha, ho bopa, kalafo ea mocheso, machining, le netefatso ea boleng. Sena se fokotsa nako ea ho etella pele le ho netefatsa boikarabello ba mohloli o le mong.

• Setifikeiti: ISO 9001, IATF 16949 (likoloi), le litifikeiti tse khethehileng tsa terene (IRIS) li bonts'a boitlamo ho litsamaiso tsa boleng.

• Ts'ebetso ea theko e phahameng: Litheko tsa tlholisano tse fihlelletsoeng ka maemo a moruo, tlhahiso e sebetsang hantle, le ketane ea phepelo e matla - ntle le ho sekisetsa boleng bo holimo. Poleloana "ts'ebetso ea litšenyehelo tse phahameng" e bolela boleng bo nepahetseng: boleng bo botle ka ho fetisisa bakeng sa matsete.

5.2 OEM & tloaelo ea tšepe ea tšepe bokgoni

Mofani oa tšepe oa OEM ea tšepahalang o fana ka tšehetso e felletseng ea boenjiniere:

• Ho tloha ho prototype ho isa tlhahiso ea molumo: Litšebeletso tse tloaelehileng tsa ho lahla tšepe li lumella bareki ho hlahisa lihlahisoa tse ncha ka kholiseho. Prototyping e potlakileng (mefuta e hatisitsoeng ea 3D-kapa ho etsa lehlabathe ka potlako) ho potlakisa netefatso ea moralo. Hang ha moralo o phethetsoe, lisebelisoa tsa tlhahiso li etsoa bakeng sa matla a khoheli, ho bopa likhetla, kapa ho etsa matsete.

• Tšehetso ea boenjiniere: Software ea ketsiso (mohlala o tiileng, tlhahlobo ea khatello ea maikutlo) e bolela esale pele mefokolo le ho ntlafatsa moralo oa li-geting/riser. Therisano ea metallurgical e tiisa khetho e nepahetseng ea alloy-ebang ke likarolo tsa mochini tsa ductile iron tse hlokang bolelele bo phahameng kapa likarolo tsa mochini tsa tšepe tse bohlooho tse hlokang ho phophoma.

• Bokhoni bo ikhethang: Bakeng sa likarolo tsa mechine ea tšepe ea ductile, moetsi o laola nodularity (hangata> 85% nodularity) ka ho kenya ente e hlokolosi. Bakeng sa likarolo tsa tšepe tse entsoeng ka khetla, lisebelisoa tse nepahetseng tsa mohlala li tiisa hore li ka phetoa.

5.3 E ka tšeptjoa mofani oa thepa & sehlahisoa potefolio

Fektheri e tšeptjoang ea likarolo tsa tšepe ea China e fana ka potefolio e pharaletseng:

• Sebaka se felletseng: Likarolo tsa tšepe tse entsoeng ka matla a khoheli, likhetla tse entsoeng ka likhetla tse entsoeng ka tšepe, lisebelisoa tsa tšepe tse rarahaneng, likarolo tsa mechine ea temo, lipompo le li-valve castings, likarolo tse ling tsa terene ea terene, teraka e boima le likarolo tsa likoloi, le lisebelisoa tsa li-clamping tsa hardware.

• Taolo ea boleng: Ntho e 'ngoe le e' ngoe e qhibilihisitsoeng e hlahlojoa ka spectroscopy. Teko ea mochini (ho tiea, boima, tšusumetso) e netefatsa thepa. Teko e sa senyeheng (ultrasonic, magnetic particle, dae penetrant) e lemoha mefokolo ea kahare le bokaholimo. Tlhahlobo ea mahlakore ka ho sebelisa li-CMM e netefatsa hore litšoantšo li lumellana.

• Traceability: Lits'oants'o li tšoailoe, 'me lirekoto lia hlokomeloa, li fana ka ts'ebetso e felletseng ho tloha ho thepa e tala ho ea ho sehlahisoa se felileng - se bohlokoa bakeng sa ts'ireletso ea ts'ireletso ea terene le lits'ebetso tsa likoloi.

Ka ho sebelisana 'moho le moetsi oa likarolo tsa tšepe tsa boleng bo holimo oa China ea fanang ka lits'ebeletso tsa mofani oa thepa ea tšepe ea OEM, bareki ba fumana monyetla oa ho fumana tšepe ea maemo a lefats'e, ho tenyetseha ha maemo, le tlhahiso e baballang chelete e ngata. Hore na o hloka likarolo tsa tšepe tse nang le matla a khoheli a phahameng bakeng sa lisebelisoa tsa kaho kapa likarolo tsa tšepe tse entsoeng ka khetla tse nepahetseng bakeng sa mochini oa temo, molekane ea nepahetseng o netefatsa hore karolo e 'ngoe le e 'ngoe ea tšepe e kopana le maemo a holimo ka ho fetisisa a boleng le ts'ebetso.