U rua molemo tsoelo-peleng ea morao-rao ea theknoloji ea die casting e phahamisetsang boleng ba aluminium ho ea holimo.
- Likarolo hona joale li na le boima ba 13% tlase ha li ntse li boloka boleng bo holimo.
- Uniform porosity e netefatsa liphetho tse tsitsitseng.
- Optimized casting parameters fana ka likarolo tse ka tšeptjoang bakeng saKoloileMohala oa puisanoliindasteri.
Lintlha tsa bohlokoa
- Ho lahlela lefu la khatello e phahamenge ntlafatsa matla le boleng ba bokaholimo ba likarolo tsa aluminium, li etsa hore li be bobebe hape li tšoarelle nako e telele.
- Vacuum-assisted casting e fokotsa bofokoli ba ka hare, e leng se bakang ho teteana ho hoholo lemolemo thepa thepabakeng sa likarolo tsa aluminium tse entsoeng.
- Sistimi ea nako ea 'nete ea ho lemoha sekoli e theola haholo litheko tsa sekhechana, e netefatsa boleng bo holimo le likarolo tse tšepahalang tsa aluminium.
Litlhahiso tsa Bohlokoa Ho Fetola Cast Aluminium Die Casting
Lefu la Khatello e Phahameng
U bona lintlafatso tse kholo tsa boleng ba aluminium ka lebaka la khatello e phahameng ea maikutlo. Ts'ebetso ena e kenya tšepe e qhibilihisitsoeng ka har'a lefi ka lebelo le phahameng, ho tlatsa esita le libopeho tse rarahaneng ka ho fetisisa. U rua molemo ho fokotseng porosity le likarolo tse matla. Ho tiisa ka potlako ho theha microstructure e hloekisitsoeng, e matlafatsang thepa ea mochine. U boetse u hlokomela libaka tse boreleli le ho nepahala ho betere, ho etsa hore likarolo tsa hau li lekane hantle nako le nako.
- Tlatso e matlafalitsoeng ea libopeho tse rarahaneng
- Porosity e fokotsehileng bakeng sa likarolo tse matla
- Ho tiisa ka potlako bakeng sa thepa e ntlafetseng ea mochine
Ho Lahla ka Thuso ea Vacuum
Vacuum-assisted casting e nka boleng le ho feta. Ka ho tlosa moea ho tsoa mokoting oa hlobo, u fokotsa porosity ea khase le likhase tse koaletsoeng. Mokhoa ona o thusa tšepe ho phalla hantle, ho tlatsa meralo e rarahaneng habonolo. Sephetho ke aluminium ea cast e nang le mefokolo e fokolang ea kahare le letsoalo le phahameng.
| Ntlha ea Bohlokoa | Tlhaloso |
|---|---|
| Ho Kena ka Khase | Lisebelisoa tsa vacuum li tlosa moea, li fokotsa porosity ea khase. |
| Metal Phallo | Phallo e ntlafetseng e tlatsa libopeho tse rarahaneng ka katleho. |
| Lisebelisoa tsa Mechini. | Boima bo phahameng le matla a ntlafetseng bakeng sa likarolo tsa aluminium tse tšoarellang. |
Ho Fumana Phoso ea Nako ea 'Nete
Hona joale u ka itšetleha ka lisebelisoa tsa nako ea sebele tsa ho lemoha liphoso ho tšoara liphoso pele li fetoha mathata a theko e boima. Ho ithuta ho tebileng le litšoantšo tsa X-ray ho na le mathata a ka hare le a bokaholimo ka nepo e phahameng. Litsamaiso tsena li u thusa ho theola litefiso tsa lichelete le ho boloka chelete. Mohlala, moetsi e mong oa likoloi o ile a fokotsa sekhahla sa bofokoli ho tloha ho 8% ho isa ho 1.5% kamora ho sebelisa tlhahlobo ea pono ea AI, a boloka $300,000 ka selemo.
Keletso: Ho beha leihlo ka nako ea 'nete ho bolela hore u fana ka likarolo tsa aluminium tsa boleng bo holimo tse nang le litšila tse fokolang.
Lisebelisoa tse tsoetseng pele tsa Aluminium
U na le phihlello ea lisebelisoa tsa aluminium tse tsoetseng pele tse fetang lisebelisoa tsa khale. Li-alloys tse kang A380, A383, le B390 li fana ka bokhoni bo betere, ho hanyetsa ho apara, le botsitso ba sebopeho. Li-alloys tsena tse ncha li u thusa ho hlahisa likaroloana tsa aluminium tse tšoarellang nako e telele le ho sebetsa hantle maemong a boima.
| Alloy | Likarolo tsa Bohlokoa |
|---|---|
| A380 | Excellent castability, thepa e ntle ea mochini, ho hanyetsa kutu |
| A383 | Ho ntlafala ha metsi, ho fokotsa shrinkage porosity |
| B390 | Ho hanyetsa ho apara ho phahameng, botsitso ba dimensional |
Kamoo Theknoloji e Ntlafatsang Boleng ba Aluminium ea Cast
Ho Nepaha ha Dimensional ho Ntlafetseng
Ua finyellalitekanyo tse nepahetsengka likarolo tsa aluminium tse entsoeng ka ho sebelisa ente ea khatello e phahameng le meralo ea hlobo e tsoetseng pele. Mekhoa ea sejoale-joale ea ho lahla lefu e tlatsa hlobo kapele le ka botlalo, e netefatsang hore karolo ka 'ngoe e lumellana hantle le litlhaloso. Ho fapana le mekhoa ea khale, lits'ebetso tsena li boloka mamello e matla le ho fokotsa tlhoko ea machining e eketsehileng. U rua molemo liphellong tse tsitsitseng, esita le ha u hlahisa libopeho tse rarahaneng ka bongata bo phahameng.
- Lebelo le phahameng la ente le tlatsa hlobo ka ho feletseng.
- Khatello e matla e kopana le mamello e tiileng ea dimensional.
- Lipotoloho tse khutšoane tsa ho lahla li tšehetsa tlhahiso ea bongata.
Sejoale-joale sa die casting se fana ka likarolo tse lekanang hantle, tse bohlokoa bakeng sa indasteri e kang ea likoloi le tsa elektroniki. U ka itšetleha ka mekhoa ena ho hlahisa likarolo tsa aluminium tse nang le lisebelisoa tse finyellang litekanyetso tse hlokahalang nako le nako.
Phokotso ea Porosity le Mefokolo
O fokotsa porosity le mefokolo ea aluminium ka ho laola khatello ea moea le ho ntlafatsa maemo a ho lahla. Vacuum-assisted die casting e tlosa likhase tse qabeletsoeng, tse lebisang likarolong tse teteaneng le tse matla. U boetse u bona lintlafatso ha u sebelisa khatello nakong ea ho tiisa le ho boloka mocheso o nepahetseng oa lefu.
| Ithute | Liphuputso | Qetello |
|---|---|---|
| Zhang et al. | Ha ho bapisoa HPDC le disampole tsa die-cast tsa matla a khoheli tsa AlSi7MnMg alloy. | Shrinkage porosity e kotsi ho feta khase e koetsoeng. |
| Yu et al. | E tsepamisitse maikutlo ho sekoli morphology le microstructure ho magnesium HPDC. | Thepa ea mechine e itšetlehile ka bophara ba sehlopha sa sekoli. |
| Sehlopha se seng | E sebelisitsoe X-ray CT ho khetholla li-alloys tsa magnesium. | Kamano pakeng tsa karolo ea bohlokoa ea porosity le elongation. |
Wenantlafatsa bolengka ho lekanya mekhoa, ho beha leihlo tlhahiso, le ho hlokomela lisebelisoa. Mehato ena e u thusa ho lemoha le ho lokisa mathata pele ho nako, e leng se fellang ka mefokolo e fokolang le ho tšepahalla ho hoholo ha likarolo tsa aluminiamo.
Thepa e Phahameng ea Mechini
U fumana likarolo tsa aluminium tse matla le tse tšoarellang ho feta ka ho sebelisa li-alloys tse tsoetseng pele le mekhoa e ntlafalitsoeng ea ho lahla. High-press die casting e theha meaho e metle ea lijo-thollo le li-microstructures tse ts'oanang, tse matlafatsang matla a chai, matla a thata le ductility.
| Thepa | Boleng |
|---|---|
| Kotulo Matla | 212 MPa |
| Matla a ho qetela a Tensile | 357 MPa |
| Elongation | 17.6% |
Ho thehoa ha likristale tse tiileng ka ntle nakong ea ho lahla ho susumetsa kabo ea khatello ea maikutlo le ts'ebetso ea mechine. Ua hlokomela hore libaka tsa letlalo tse nang le lithollo tse ntle li matlafatsa matla a holimo, athe libaka tse bohareng tse nang le lithollo tsa bimodal li ntlafatsa ho tšoarella ka kakaretso. Lintlafatso tsena li etsa hore aluminium e be e loketseng bakeng sa lits'ebetso tse batloang haholo moo matla le ts'epahalo li leng bohlokoa.
Qetello ea Bokaholimo bo Tšoanang
U finyella sephetho se boreleli le se ts'oanang holim'a likarolo tsa aluminium tse entsoeng ka ho sebelisa ente e nang le khatello e phahameng le liforomo tsa tšepe tse sa feleng. Ts'ebetso ena e fokotsa tlhokahalo ea ho sebetsa ka morao mme e netefatsa hore karolo ka 'ngoe e shebahala le ho sebetsa ka mokhoa o tsitsitseng.
| Karolo | Tšusumetso |
|---|---|
| Mokhathala Bophelo | E 'ngoe le e' ngoe e habeli ea Ra e ka fokotsa matla a mokhathala ka ~ 5-10%. |
| Apara Resistance | Libaka tse boreleli (Ra <0.4 µm) li fokotsa ho roala ha letlalo. |
| Khatello ea Maikutlo | Libaka tse makukuno li etsa li-micro-notch tse lebisang khatello ea maikutlo. |
| Corrosion Under Crevices | Libaka tse boreleli li fokotsa likotsi tsa ho bola sebakeng sa heno. |
| Coating Adhesion | Ho laoloa ka thata hoa hlokahala bakeng sa ho khomarela ka mokhoa o atlehileng oa ho roala. |
U rua molemo bophelong bo ntlafetseng ba mokhathala, ho se mamelle hantle, le ho fokotsa kotsi ea ho senya. Qetello e sa fetoheng ea bokaholimo e boetse e thusa lirafshoa hore li khomarele ka mokhoa o atlehileng haholoanyane, e leng ho lelefatsang nako ea bophelo ea likarolo tsa aluminium tse entsoeng libakeng tse thata.
Lisebelisoa tsa Cast Aluminium le Impact ea Indasteri
Lefapha la Likoloi
U bona indasteri ea likoloi e fetoha katheknoloji e tsoetseng pele ea die casting. Likoloi tsa morao-rao li itšetlehile ka likarolo tse bobebe le tse matla ho ntlafatsa ts'ebetso le polokeho. Aluminium die casting e u thusa ho fokotsa boima ba koloi ha u ntse u boloka matla, e leng bohlokoa haholo bakeng sa likoloi tsa motlakase. U rua molemo ho likarolo tse kopaneng le tse tšoarellang ka har'a li-drivetrain tsa motlakase, joalo ka matlo a makoloi le meaho ea betri. Lefapha le ntse le tsoela pele ho hola joalo ka li-alloys tse ncha, mekhoa ea ho lahla, le li-automation li theha meralo ea likoloi tsa nako e tlang.
- Likarolo tse bobebe le tse matla ho ntlafatsa ts'ebetso ea mafura
- E bohlokoa bakeng sa matlo a likoloi tsa motlakase le mekotla ea betri
- E ts'ehetsa ho fetohela ho lisebelisoa tse tšoarellang
| Sebopeho sa Alloy | Tensile Strength (MPa) | Yield Strength (MPa) |
|---|---|---|
| AlSi9Mg0.2 | 260.88 - 279.39 | 185.01 - 202.48 |
| AlSi9Mg0.3 | 276.0 - 287.27 | 199.11 - 210.0 |
U fumana li-alloys tsena ka mabili, likarolo tsa brake, le likarolo tsa sebopeho sa 'mele, kaofela li rua molemo ho tsoa ho khatello e phahameng ea khatello bakeng sa matla le ho tšepahala.
Indasteri ea Sepakapaka
U itšetlehile kalisebelisoa tsa aluminium tsa boleng bo holimobakeng sa likarolo tsa bohlokoa tsa sepakapaka. Likarolo tsena li tlameha ho ba bobebe, li se ke tsa bola, 'me li fane ka tsamaiso e ntle ea mocheso le motlakase. Moralo oa othomathike le o thusoang ke komporo li u thusa ho fumana liphetho tse nepahetseng le tse tsitsitseng, tse bohlokoa bakeng sa polokeho le ts'ebetso.
- Lisebelisoa tse bobebe li fokotsa boima ba sefofane le ho ntlafatsa ts'ebetso ea mafura
- Karo-karolelano e phahameng ea matla ho boima e ts'ehetsa maemo a thata a sebaka sa sefofane
- Precision casting e netefatsa mamello e tiileng bakeng sa liforeimi tsa moea, mapheo le likarolo tsa enjine
Ua hlokomela hore aluminium ea cast e fana ka nako e telele le ho tšepahala ho hlokahalang bakeng sa lifofane tsa morao-rao, e leng se etsang hore e be thepa e ratoang indastering.
Electronics Manufacturing
U itšetlehile ka aluminium e entsoeng ka tšepe bakeng sa liphahlo tsa elektroniki le matlo. Likarolo tsena li sireletsa likarolo tse bonolo le ho laola mocheso ka katleho. Li-alloys tsa aluminium li fana ka matla a phahameng a tsitsipano le ho tšoarella, tse sireletsang lisebelisoa tsa elektronike hore li se ke tsa senyeha. U boetse u rua molemo ho thepa e bobebe, ho etsa hore ho kopanya le ho tšoara habonolo.
| Molemo | Tlhaloso |
|---|---|
| Ntlafatso ea ho tšoarella | Matla a phahameng a matla a sireletsa likarolo. |
| Thepa e bobebe | E fokotsa boima ba 'mele bakeng sa ho kopanya habonolo. |
| Taolo e Atlehang ea Thermal | Ho senya mocheso o babatsehang bakeng sa ts'ebetso. |
| Litšenyehelo-Ka katleho | E theko e tlaase bakeng sa tlhahiso e kholo. |
| Recyclability | E tšehetsa lipakane tsa ts'ebetso. |
| Moqapi oa Fetola | E nolofalletsa libopeho tse rarahaneng le mamello e thata. |
| Bonolo ba Machining | E nolofatsa tlhahiso le ho netefatsa boleng. |
U fumana aluminium ea die cast ka har'a matlo a makoloi, lisebelisoa tsa mabone a LED, likabelo tsa mehala ea mehala, le li-PCB tse koaletsoeng. Lihlahisoa tsena li fana ka ts'ebetso e phahameng ea nako e telele le tsamaiso ea mocheso ha e bapisoa le mekhoa e meng ea polasetiki.
Tiisetso ea Boleng ba Lisebelisoa tsa Aluminium ea Cast
Mekhoa e Ikemetseng ea Tlhahlobo
U itšetlehile ka lisebelisoa tsa tlhahlobo tse ikemetseng ho netefatsa hore karolo e 'ngoe le e 'ngoe ea aluminium e kopana le litekanyetso tse thata tsa boleng. Litsamaiso tsena li sebelisa pono ea mochini ho bona ka potlako likoli joalo ka mekoti le mela ea phallo. Matsoho a liroboto a nang le mefuta e tebileng ea ho ithuta, joalo ka YOLOv8 le Mask R-CNN, hlahloba litaba tse kang liphoso tsa ho kenya lifaele le ho se lumellane ha masoba.
- Pono ea mochine e lemoha ho se phethahale ha holimo ka potlako.
- Sistimi ea liroboto e lekola likarolo ka nepo e phahameng.
- Mehlala ea ho ithuta e tebileng e ntlafatsa ho lemoha le liphoso tse nyane haholo.
- Lisebelisoa tse ikemetseng ka botlalo li hlahloba likarolo tse ngata ka nako e le 'ngoe, li fokotsa liphoso le ho potlakisa tlhahiso.
Lits'ebetso tse ikemetseng tsa tlhahlobo li feta licheke tsa matsoho. Li khetholla mapetsong a manyenyane le likoli tse ka holimo tseo mahlo a batho a ka 'nang a li fosa. U qoba ho se lumellane ho bakoang ke mokhathala kapa leeme, tse atisang ho ama tlhahlobo ea matsoho. Ho kopanya mokhoa oa ho lemoha lintho tse tebileng le litšoantšo tsa X-ray ho eketsa ho nepahala le ho sebetsa hantle.
Data-Driven Process Control
U fumana boleng bo tsitsitseng ka ho sebelisa taolo ea ts'ebetso e tsamaisoang ke data. Boiketsetso bo tsoetseng pele bo fokotsa liphoso tsa batho, ha ho nkuoa ha data ka nako ea nnete ho netefatsa hore papali e ngoe le e ngoe e kopana le litekanyetso tsa hau. Lisebelisoa tsa simulation li u thusa ho ntlafatsa ts'ebetso, ho boloka nako le lisebelisoa.
| Mofuta oa Tlhahlobo | Liphuputso |
|---|---|
| Taolo ea Paramethara | Ponahalo ea data e khetholla likarolo tsa bohlokoa mme e beha meeli ea taolo. |
| Nako ea ho Tšepa | Lintlha tsa tlhahiso li hlalosa meeli e holimo le e tlase bakeng sa litefiso tsa ho hana. |
Sistimi ea ho bolela esale pele ea boleng e u lumella ho tšoara liphoso esale pele. Tlhokomelo ea nako ea 'nete e fana ka maikutlo hang hang, kahoo o ka khona ho fetola lits'ebetso hang-hang. Mefuta ea ho ithuta ka mochini e bolela esale pele boleng bo ipapisitseng le maemo a ho lahla, ho ntlafatsa tlhahiso le katleho ea litšenyehelo.
Traceability le Tlaleho
U matlafatsa tiisetso ea hau ea boleng ka mokhoa o matla oa ho latedisa le ho tlaleha. Lisebelisoa tsena li u thusa ho lekola leeto la karolo ka 'ngoe ka tlhahiso. U potlakela ho tseba le ho arola lotho e amehileng, ho ntlafatsa polokeho le ho latela melao.
| Molemo | Tlhaloso |
|---|---|
| Ntlafatsa polokeho | Fumana lotho e amehileng kapele ho sireletsa basebelisi. |
| Latela lintlha tse betere | Fumana lintlha tsa nako ea 'nete tsa ho tsamaisa le ho sebetsa. |
| Lemoha mathata kapele | Sheba lintlha tsa mochini kapa thepa pele li eketseha. |
| Sireletsa botumo ba hau | Fokotsa ho hopola 'me u boloke tšepo ea bareki. |
| Eketsa lebelo | Arabela ka potlako litabeng tsa feme. |
| Lula u lumellana | Nolofatsa litlhahlobo le ho fihlela melaoana. |
| Thibela liphoso | Tšoara likoli pele ho nako 'me u li qobe 'marakeng. |
| Ntlafatsa khoebo ea hau | Sekaseka lits'ebetso bakeng sa litharollo tse betere tsa sesosa. |
Keletso: Taelo e matla ha e tiise boleng feela empa e boetse e haha tšepo ho bareki ba hau.
U beha litekanyetso tse ncha tsa boleng ba aluminium katheknoloji e tsoetseng pele ea die casting. Baetsi ba bona botšepehi bo phahameng le tšenyo e fokolang. Basebelisi ba natefeloa ke likarolo tse sireletsehileng, tse tšoarellang nako e telele.
| Molemo | Tlhaloso |
|---|---|
| Karolelano ea matla ho boima ba 'mele | Cast aluminium e bobebe ho feta tšepe ka 66%, e matlafatsa ts'ebetso ea mafura. |
| Melemo ea litšenyehelo | Litšenyehelo tse tlase tsa lisebelisoa le lipotoloho tse potlakileng tsa tlhahiso. |
| Thepa ea mechine | Kalafo ea mocheso e eketsa matla le ho tšoarella. |
LBH
Ke melemo efe eo u e fumanang ho tsoa ho high-pressure die casting?
U finyella libopeho tse nepahetseng, likarolo tse matla, le libaka tse boreleli. Mokhoa ona o u thusa ho fokotsa mefokolo lentlafatsa boleng ba kakaretsoea likarolo tsa hau tsa aluminium.
Ho lemoha sekoli ka nako ea sebele ho u tsoela molemo joang tlhahiso ea hau?
U bona liphoso hang-hang nakong ea ho lahla. Sena se o thusa ho lokisa mathata pele ho nako, ho theola litefiso tsa sekhechana, le ho fana ka likarolo tse tšepahalang tsa aluminium ho bareki ba hau.
Ke hobane'ng ha u lokela ho khetha li-alloys tse tsoetseng pele tsa aluminium bakeng sa ho lahla?
U fumana matla a betere, ho ntlafala ha moaparo, le likarolo tse tšoarellang nako e telele. Li-alloys tsena li u thusa ho fihlela maemo a boima a indasteri le ho matlafatsa ts'ebetso ea sehlahisoa sa hau.
Nako ea poso: Sep-01-2025


