Semi-solid metal casting (SSMC) ke ts'ebetso e tsoetseng pele ea tlhahiso ea sebopeho se haufi le letlooa e etsang likarolo tsa tšepe sebakeng se tiileng, hangata lipakeng tsa mocheso oa solidus le liquidus. Ka ho sebelisa thixotropic slurry e nang le globular microstructure, SSMC e fokotsa haholo porosity, e fokotsa bofokoli ba shrinkage, 'me e ntlafatsa thepa ea mochine ha e bapisoa le mokhoa oa setso oa lefu. Bakeng sa li-OEM tse batlang likarolo tse nang le bots'epehi bo phahameng bakeng sa lits'ebetso tsa hydraulic, lits'ebetso tsa likoloi le mechini e boima, theknoloji ena e fana ka ho nepahala ho holimo le ho ts'epahala ha sebopeho. QINGDAO QIANGSENYUAN TECHNOLOGY CO., LTD. e sebelisa tsebo ena ho fana ka litharollo tse entsoeng ka nepo tse tsamaellanang le litlhoko tse hlokahalang tsa indasteri.
Semi-Solid Metal Casting ke Eng?
Semi-solid metal casting e emela mokhoa oa lebasetere lipakeng tsa mokhoa o tloaelehileng oa forging le oa liquid die casting. Ho fapana le ho lahla ho tloaelehileng, moo tšepe e qhibilihisitsoeng e tšeloang ka mokhoa oa mokelikeli, SSMC e sebetsana le li-alloys tse tiileng ka mokhoa o itseng le mokelikeli o fokolang. Boemo bona bo ikhethang bo lumella thepa hore e itšoare joaloka mokelikeli oa thixotropic-viscous ha o tsitsitse empa o phalla habonolo tlas'a khatello ea ho kuta.
Molemo oa mantlha o ho microstructure. Hangata ho lahla ho tloaelehileng ho fella ka dendritic (e kang sefate) mehaho ea lijo-thollo e ka hlahisang lintlha tse fokolang le porosity. Ka lehlakoreng le leng, ts'ebetso ea semi-solid e hlahisa sebopeho se setle sa lijo-thollo tse pota-potileng. Morpholoji ena e nolofalletsa tlhahiso ea lijeometri tse rarahaneng tse nang le botenya ba lebota bo lekanang le 1mm ha li ntse li boloka botšepehi bo ikhethang ba mochine.
Bakeng sa liindasteri tse kang oli le khase kapa likoloi tsa boenjiniere, moo likarolo li tobanang le likhatello tse phahameng le ho senyeha, ho fokotseha ha khase le litekanyetso tse fokolang tsa likarolo tsa SSMC li fetolela ka ho toba bophelo bo bolelele ba tšebeletso le ho tšepahala ho holimo.
Litšobotsi tsa Bohlokoa tsa Ts'ebetso ea Semi-Solid
- Thixotropy: Viscosity ea thepa e fokotseha tlas'a khatello ea ho kuta (nakong ea ente) 'me e eketseha ha u phomotse, e lumella ho tlatsa hlobo e nepahetseng ntle le moferefere.
- Globular Microstructure: Lithollo tse se nang dendritic li ntlafatsa ductility le matla a ho tsitsa, ho fokotsa tlhokahalo ea phekolo e pharaletseng ea mocheso ka mor'a ho lahla.
- Lithempereichara tse Tlase tsa ho sebetsa: Ho sebetsa ka tlase ho mocheso o felletseng oa liquidus ho fokotsa ho tsukutloa ha mocheso, ho lelefatsa bophelo ba lisebelisoa le ho theola tšebeliso ea matla.
- Near-Net-Shape Precision: Ho nepahala ha maemo a holimo ho fokotsa tlhoko ea machining ea bobeli ea CNC, ho fokotsa litšenyehelo tsa tlhahiso ea likarolo tse rarahaneng.
Semi-Solid Metal Casting e sebetsa Joang?
Ts'ebetso ea ho lahla ha semi-solid e kenyelletsa taolo e hlokolosi ea mocheso le sekhahla sa ho kuta ho fihlela ho tsitsa ho lakatsehang. Le hoja ho na le mekhoa e 'meli e ka sehloohong-Rheocasting (slurry-based) le Thixocasting (billet-based) -mosebetsi oa motheo o shebane le ho boloka boemo bo tiileng ho tloha ho lokiselitsoeng ho ea ho ente.
Mohato ka Mohato oa Tlhahiso ea Mosebetsi
- Tokiso ea lintho tse bonahalang: Li-ingots tsa boleng bo holimo tsa alloy, tse kang aluminium kapa letoto la magnesium, li khethoa ho ipapisitse le mofuta oa tsona oa ho tiisa. Bakeng sa lits'ebetso tse ikhethang, li-alloys tsa cobalt-nickel li ka sebetsoa ho sebelisoa mekhoa e fetotsoeng ea semi-solid ho sebetsana le lintlha tse phahameng tse qhibilihang.
- Moloko oa Slurry: Tšepe e futhumetse mocheso ka har'a sebaka sa mushy (ka tloaelo 50-60% karolo e tiileng). Mechini e susumetsang kapa ea motlakase ea motlakase hangata e sebelisoa ho senya li-dendrite le ho theha sebopeho sa globular se tšoanang.
- Ente: Semi-solid slurry e kenngoa ka har'a tšepe e chesang pele ho mocheso tlas'a khatello e phahameng. Ka lebaka la viscosity ea eona e phahameng ha e bapisoa le tšepe ea metsi, phallo ke laminar ho e-na le moferefere, e fokotsa ho kenngoa ha moea.
- Ho tiisa: Karolo e pholile ka potlako ka lefing. Mocheso o tlase oa mocheso o fokotsa khatello ea kelello ka hare le ho fokotseha ha likoti.
- Ejection le Finishing: Karolo e ea ntšoa 'me e ntse e fokotseha hanyane. Ho QINGDAO QIANGSENYUAN THEKNOLOJI, likarolo li atisa ho tsoela pele ka ho toba ho machining a CNC kapa ho qeta holimo, ho sebelisa ho nepahala ha sebopeho se haufi-nete se fihletsoeng nakong ea ho lahla.
Semi-Solid Casting vs. Traditional Die Casting
Ho khetha pakeng tsa ho lahlela tšepe e sa tieang le ea setso e phahameng ea khatello ea maikutlo (HPDC) ho ipapisitse le litlhoko tse ikhethileng tsa ts'ebetso ea karolo. Le ha HPDC e na le litšenyehelo tse tlase bakeng sa likarolo tse bonolo, tsa molumo o phahameng, SSMC e sebetsa hantle haholo lits'ebetsong tse hlokang botšepehi bo phahameng le lijeometri tse rarahaneng.
| Sebopeho | Semi-Solid Metal Casting (SSMC) | Traditional High-Pressure Die Casting (HPDC) |
| Microstructure | E ntle, e globular, e seng dendritic | Dendritic, e atisang ho arohana |
| Maemo a Porosity | Tlase haholo (ho koalloa ha khase e nyane) | E mahareng ho isa holimo (phallo ea morusu) |
| Thepa ea Mechini | Matla a phahameng a tensile le ductility | Ductility e tlase, matla a feto-fetohang |
| Ho Nepaha ha Dimensional | E ntle haholo (near-net-shape) | E ntle, empa phapang e phahameng ea shrinkage |
| Bokhoni ba Botenya ba Lerako | E ka hlahisa mabota a masesaane haholo, a tšoanang | E fokotsoe ke litaba tsa phallo |
| Tool Life | Nako e telele (mocheso o tlase oa ho sebetsa) | E khuts'oane (ho tsosoa ha mocheso o phahameng) |
| Kamora ho sebetsa | Ho hlokahala mochini o fokolang | Hangata e hloka mochini o moholo |
Papiso ena e totobatsa hore na ke hobane'ng ha SSMC e khethoa bakeng sa likarolo tsa bohlokoa-kholo tse kang piston pump cylinder housings le li-valve tsa khatello, moo ho lutla ka lebaka la porosity ho sa amoheleheng.
Lisebelisoa tse Sebelisitsoeng ho Semi-Solid Casting
Katleho ea semi-solid casting e itšetlehile haholo ka litšoaneleho tse tiileng tsa alloy. Li-alloys tse nang le serame se pharaletseng li loketse hobane li lula li le boemong bo tiileng holim'a fensetere e pharaletseng ea mocheso, e leng ho nolofalletsang taolo ea ts'ebetso.
Malapa a Tloaelehileng a Alloy
- Lisebelisoa tsa Aluminium: A356 le A357 ke tsona tse sebelisoang ka ho fetisisa ka lebaka la bokhoni ba tsona bo babatsehang le thepa ea mechine. Li tloaelehile makaleng a likoloi le a sefofane.
- Magnesium Alloys: AZ91D le AM60B li fana ka melemo e bobebe, e bohlokoa bakeng sa lisebelisoa tsa elektroniki tse nkehang habonolo le matsapa a ho fokotsa boima ba likoloi.
- Lisebelisoa tsa Copper: Mefuta e meng ea koporo le ea boronse e ntse e hlaha ho SSMC bakeng sa ts'ebetso e phahameng ea ts'ebetso le lits'ebetso tse hananang le ho roala.
- Li-Superalloys (tse khethehileng): Bakeng sa tikoloho e feteletseng, lisebelisoa tse kang AMS 5387 cobalt alloy 6 le T800 cobalt-based alloys li sebetsoa ka mekhoa e tsoetseng pele ea semi-solid kapa lebasetere. QINGDAO QIANGSENYUAN THEKNOLOJI e sebetsa ka ho khetheha ho li-superalloy tsena tse thata ho mochini, ho netefatsa lisebelisoa tse tsitsitseng tsa metallurgic bakeng sa likarolo tse apereng haholo joalo ka li-nozzle tsa cobalt alloy le li-plug.
Lisebelisoa tsa Semi-Solid Metal Casting
Melemo e ikhethang ea SSMC e etsa hore e be ea bohlokoa ho liindasteri tse 'maloa tse sebetsang hantle. Bokhoni ba ho hlahisa likarolo tse sa lutlang, tse matla le tse rarahaneng li etsa hore e amoheloe likarolong tseo ho hloleha e seng khetho.
Likoloi le Lipalangoang
Lightweighting ke mokhanni ea ka sehloohong indastering ea likoloi. SSMC e hlahisa likarolo tsa meralo joalo ka li-block tsa enjine, linyeoe tsa phetisetso, le likarolo tse emisitsoeng tse bobebe empa li le matla ho feta balekane ba bona ba HPDC. Likamore tsa betri tsa koloi ea motlakase (EV) li boetse li rua molemo ho mamello e thata le matla a taolo ea mocheso oa aluminium e entsoeng ka semi-solid cast.
Hydraulic le Pneumatic Systems
Likarolo tsa lits'ebetso tsa hydraulic, joalo ka 'mele oa li-valve, matlo a pompo, le mefuta e mengata, li tlameha ho mamella likhatello tse phahameng tsa kahare ntle le ho lutla. Porosity e tlase ea likarolo tsa SSMC e netefatsa bokhoni ba ho tiisa hermetic. QINGDAO QIANGSENYUAN THEKNOLOJI e matlafatsa bokhoni bona ba ho etsa li-valve tsa khatello le matlo a silindara a pompo ea piston a fihlelang litekanyetso tse tiileng tsa machaba bakeng sa botšepehi ba haeteroliki.
Thepa ea Oli le Khase
Ts'ebetsong ea oli le khase e holimo le tlase ho noka, lisebelisoa li shebane le tikoloho e senyang le meroalo e phahameng ea mochini. Lisebelisoa tse entsoeng ka tšepe e sa tsitsang kapa li-alloys tse khethehileng tsa cobalt-nickel li fana ka khanyetso e phahameng ea kutu le matla a mokhathala. Lintho tse kang metheo ea pompo le lisebelisoa tse khethehileng li rua molemo ho microstructure e teteaneng e fanoeng ke ts'ebetso ena.
Likoloi tsa Boenjiniere le Mechini e boima
Mechini e boima, ho kenyeletsoa liepolli le li-crane, li hloka likarolo tse matla bakeng sa sistimi ea winch le literene tsa ho khanna. Lirolara tsa shaft tse bohareng bakeng sa li-winch tse ka holim'a sekepe, mohlala, li hloka khanyetso e phahameng le botsitso ba sebopeho. SSMC e fana ka botšepehi bo hlokahalang bakeng sa ho sebetsana le meroalo e matla, ho fokotsa nako ea tlhokomelo bakeng sa basebelisi ba ho qetela.
Hobaneng o Khetha QINGDAO QIANGSENYUAN TECHNOLOGY bakeng sa SSMC?
Joaloka moetsi ea hloahloa ea lulang Qingdao, China, QINGDAO QIANGSENYUAN TECHNOLOGY CO., LTD. e kopanya boiphihlelo bo tiileng ba ho lahla le mochini o nepahetseng oa CNC ho fana ka tharollo ea likarolo tse felletseng. Mokhoa oa rona ha se oa ho etsa feela; e mabapi le ho netefatsa ts'ebetso ea ts'ebetso lits'ebetsong tse hlokang indasteri.
Moetso o Kopantsoeng ka Pono
Re boloka taolo e tiileng holim'a ketane eohle ea tlhahiso. Ho tloha ho fumana thepa e tala e netefalitsoeng ho isa tlhahlobong ea ho qetela, setsi sa rona se lumellanang le ISO se netefatsa botsitso. Bokhoni ba rona bo kopantsoeng ka ho otloloha bo bolelele ba ho lahla, mochini oa CNC oa li-multi-axis, le ho qeta bokaholimo. Kopanyo ena e re lumella ho laola botsitso ba dimensional le botšepehi ba microstructure ka thata, ho fana ka likarolo tse seng li loketse ho kopana.
Tsebo ea li-Alloys tse sebetsang hantle haholo
Le hoja litsi tse ngata li shebane le aluminium e tloaelehileng feela, re na le bokhoni bo tebileng ba botekgeniki ba ho lokisa cobalt-nickel le lisebelisoa tse ling tse sebetsang hantle haholo. Boiphihlelo ba rona ka lisebelisoa tsa sehlopha sa AMS 5387 le T800 bo re thusa ho sebeletsa limmaraka tse hlokang nako e telele. Ebang ke li-nozzles tsa cobalt alloy bakeng sa lisebelisoa tsa spray kapa likarolo tse sa tloaelehang bakeng sa lipompo tse khethehileng, re hokahanya li-geometri tse tloaelehileng le litlhoko tsa ts'ebetso ea ts'ebetso.
Tiisetso e Matla ea Boleng
Boleng bo kenyelelitsoe mohatong o mong le o mong oa ts'ebetso ea rona. Re sebelisa Mechini e Methang ea Coordinate (CMM) le lisebelisoa tsa ho metha tsa mahlo bakeng sa tlhahlobo e sa sebetseng ea ho lekanya. Li-protocol tsa rona tsa tlhahlobo tse tlalehiloeng li netefatsa ts'ebetso e felletseng ea likarolo tsa bohlokoa. Bakeng sa bareki ba Amerika Leboea, Europe le Asia Boroa-bochabela, boitlamo bona ba ponaletso le boitlamo bo fana ka khotso ea kelello le ho fokotsa kotsi ea phepelo ea thepa.
Therisano ea Theknoloji le Tšehetso ea Moralo
Re lumela ho sebelisana 'moho le bareki ba rona qalong ea mohato oa moralo. Sehlopha sa rona sa boenjiniere se fana ka netefatso ea litšoantšo, tlhaloso ea GD&T, le maikutlo mabapi le ts'ebetso ea tlhahiso. Mokhoa ona oa ts'ebetso o thusa ho fokotsa likotsi, ho ntlafatsa meralo ea ho etsa lintho tse sa tsitsang, le ho fokotsa litšenyehelo tsa morero ka kakaretso. Ka ho rarolla mathata a ka bang teng pele tlhahiso e qala, re etsa bonnete ba ho phethahala ha moralo o bolokang litšenyehelo le linako tse tsitsitseng tsa ho fana ka nako.
Tataiso ea Moralo bakeng sa Semi-Solid Casting
Ho eketsa melemo ea ho lahla tšepe e tiileng, baqapi ba lokela ho latela litataiso tse ikhethileng tse phahamisang bokhoni ba ts'ebetso ha ba ntse ba qoba maraba a tloaelehileng.
Botenya ba Lerako le Ho Tšoanang
SSMC e lumella marako a masesaane ho feta mokhoa oa setso, empa ho tšoana ke ntho ea bohlokoa. Liphetoho tsa tšohanyetso botenya ba lerako li ka lebisa ho pholiso e sa lekaneng le khatello ea maikutlo e setseng. Baqapi ba lokela ho ikemisetsa ho fetola butle-butle le ho sebelisa likhopo ho eketsa matla ntle le ho eketseha ha boima.
Ho beoa ha Heke le Vent
Leha SSMC e fokotsa moferefere, moralo o nepahetseng oa heke o bohlokoa ho boloka phallo ea laminar. Liheke li lokela ho behoa ho lumella slurry ho tlatsa sekoti ka ho lekana. Maqhubu a tlameha ho behoa ka mokhoa o hlophisehileng ho lumella moea ofe kapa ofe o setseng ho tsoa, ho fokotsa porosity.
Li-Undercuts le Likarolo tse Ratang
Mokelikeli o phahameng oa li-slurries tse semi-solid tlas'a khatello ea ho kuta li etsa hore ho be le likarolo tse rarahaneng le li-undercuts. Leha ho le joalo, baqapi ba lokela ho nahana ka mokhoa oa ejection. Li-angles tse lekaneng le libaka tse boreleli li thusa ho tlosa karolo e bonolo, ho fokotsa kotsi ea tšenyo nakong ea ejection.
Lipotso tse atisang ho botsoa (FAQ)
Monyetla o moholo oa ho akhela tšepe e sa tieang ke ofe?
Le ha forging e fana ka lisebelisoa tse ntle haholo tsa mochini, e na le moeli oa ho rarahana ha geometri mme hangata e hloka machining a bohlokoa a bobeli. Semi-solid metal casting e fana ka ho rarahana ha sebopeho se haufi-nete le thepa ea mochini e atamelang ea forgings, ka theko e tlase le ka litšila tse nyane.
Na semi-solid casting e ka sebelisoa bakeng sa tlhahiso ea molumo o phahameng?
Ee, SSMC e loketse haholo bakeng sa tlhahiso e mahareng ho isa ho e phahameng. Bophelo bo atolositsoeng ba lisebelisoa ka lebaka la mocheso o tlase oa ts'ebetso le linako tse fokotsehileng tsa potoloho tse amanang le ho nepahala ha sebopeho se haufi le marang-rang li etsa hore e atlehe moruong bakeng sa lits'ebetso tse kholo, haholo-holo makaleng a likoloi le lisebelisoa tsa motlakase tsa bareki.
QINGDAO QIANGSENYUAN TECHNOLOGY e netefatsa joang ho tsitsa ha lintho?
Re fumana lisebelisoa tse tala tse netefalitsoeng mme re boloka litšebelisano tsa tekheniki le barekisi ho netefatsa thepa ea tšepe e tsitsitseng. Tlhahlobo ea rona ea ka tlung ea spectroscopy le microstructure e netefatsa sebopeho sa alloy pele e etsoa, ho netefatsa hore beche e 'ngoe le e 'ngoe e finyella litekanyetso tse boletsoeng bakeng sa likarolo tse kang cobalt, nickel le aluminium.
Na kalafo ea mocheso ka mor'a ho lahlela e ea hlokahala bakeng sa likarolo tsa SSMC?
Ka lebaka la sebopeho se setle sa globular microstructure, likarolo tsa SSMC hangata li hloka kalafo e matla ea mocheso ho feta li-castings tsa setso. Leha ho le joalo, ho ipapisitse le motsoako le ts'ebeliso, kalafo ea mocheso oa tharollo le botsofali li ntse li ka sebelisoa ho matlafatsa boima le matla a thata. Sehlopha sa rona se eletsa ka mokhoa o nepahetseng oa ho phekola mocheso ho latela litlhoko tse khethehileng tsa ts'ebetso ea karolo ea hau.
Ke liindasteri life tse ruang molemo haholo ho cobalt-nickel alloy casting?
Liindasteri tse amanang le moaparo o feteletseng, mocheso o phahameng le tikoloho e senyang li rua molemo haholo. Sena se kenyelletsa lisebelisoa tse ntšang oli le khase, lipompo tsa ho lokisa lik'hemik'hale, le litsamaiso tsa haeteroliki tse sebetsang hantle haholo. Likarolo tse kang AMS 5387 cobalt alloy 6 likarolo tsa pompo li bohlokoa maemong ana ka lebaka la ho tšoarella ha tsona ho ikhethang.
Qetello: Ho sebelisana 'moho bakeng sa Nepahetseng le Ts'ebetso
Semi-solid metal casting e hlahella e le tharollo ea tonakholo ea tlhahiso bakeng sa baenjiniere le litsebi tsa theko ea thepa tse etelletsang pele boleng, ho nepahala le ho ts'epahala. Ka ho koala lekhalo lipakeng tsa ho lahla le ho qhekella, e fana ka likarolo tse nang le thepa e phahameng ea mochini le li-geometri tse rarahaneng tseo mekhoa ea setso e ke keng ea lumellana hantle.
Bakeng sa likhoebo tse sebetsang lits'ebetsong tsa hydraulic, likoloi tsa boenjiniere, oli le khase, le likopano tse khethehileng tsa pompo, ho bohlokoa ho khetha molekane ea nepahetseng oa tlhahiso. QINGDAO QIANGSENYUAN TECHNOLOGY CO., LTD. e kopanya bokhoni bo tsoetseng pele ba ho lahla semi-solid le boiphihlelo bo tebileng ba li-alloys tse sebetsang hantle joalo ka lisebelisoa tsa cobalt-nickel le T800. Moetso oa rona o kopaneng o otlolohileng, taolo e matla ea boleng, le boitlamo ba lipuisano tsa tekheniki li netefatsa hore likarolo tsa hau tsa bohlokoa li fihlella maemo a holimo a ts'ebetso le ho tšoarella.
Hore na o hloka nts'etsopele ea prototype kapa tlhahiso e mahareng ea li-valve tsa khatello, li-cylinder housings, kapa lisebelisoa tsa winch tse tloaelehileng, sehlopha sa rona se ikemiselitse ho tšehetsa projeke ea hau ka ts'ebeletso e arabelang le bokhabane ba boenjiniere.
Na u ikemiselitse ho ntlafatsa tlhahiso ea karolo ea hau? Ikopanye le sehlopha sa rona sa boenjiniere kajeno ho buisana ka litlhoko tsa hau tsa moralo, ho kopa qotso, kapa ho ithuta haholoanyane ka tharollo ea rona ea semi-solid casting le CNC machining. E re re u thuse ho fihlela ts'ebetso e ntlafetseng le katleho ea litšenyehelo morerong oa hau o latelang.
Lekola Litharollo tsa Rona tsa ho Lahlela ka nepo le ho sebetsa ka Machining
