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Lintho tsa Bohlokoa tse Amang Ts'ebetso ea ho Lahla Li-Casting tsa Aluminium Alloy Die
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Lintho tsa Bohlokoa tse Amang Ts'ebetso ea ho Lahla Li-Casting tsa Aluminium Alloy Die

2025-08-22

Tlhahlobo ea Lintlha tsa Bohlokoa tse Amang Tshebetso ea ho Lahla Aluminium motsoako oa ho lahla shoas
Tlhahisong ea indasteri ea sejoale-joale, li-die castings tsa aluminium alloy li sebelisoa haholo liindastering tse ngata, ho kenyeletsoa likoloi, lisebelisoa tsa elektroniki le tsa bongaka, ka lebaka la melemo ea tsona e kang boima bo bobebe, matla a phahameng le ho tsamaisa mocheso hantle. Boleng le ts'ebetso ea li-die castings tsa aluminium alloy li khethoa haholo ke thepa ea tsona ea ho lahla, eo ka lehlakoreng le leng e susumetsoang ke likarolo tse fapaneng. Sengoloa sena se tla hlahloba lintlha tsa bohlokoa tse susumetsang ts'ebetso ea ho lahla ea li-castings tsa aluminium alloy die, e fanang ka kutloisiso e betere ea ts'ebetso ea tlhahiso le lintlha tsa bohlokoa tsa taolo ea boleng bakeng sa li-castings tsa alloy die tsa aluminium.

aluminium-alloy-tlase-khatello-casting1.jpg

Silicone: Senotlolo sa ho Ntlafatsa ho Phalla ha Metsi

Silicon ke karolo ea bohlokoa haholo ho li-castings tsa alloy die tsa aluminium 'me e na le tšusumetso e kholo litšobotsing tsa tsona tsa ho lahla. Ka har'a mefuta e itseng ea silicon, li-alloy tsa aluminium li ka ntlafatsa phallo ea tsona ka katleho. Lebaka ke hobane eutectic e entsoeng ke silicon ka har'a alloy e na le ntlha e tlase ea ho qhibiliha. Nakong ea Mokhoa oa ho Lahla, eutectic e qhibiliha pele, e etsa dikanale tsa metsi tse dumellang motswako o qhibilihisitsweng ho tlatsa mokoti wa hlobo hantle, e leng se fokotsang diphoso tsa ho lahla tse kang ho tlatsa ka tlase le ho kwala ha serame.

Ka kakaretso, dikahare tsa silicon tsa dialloy tsa aluminium tse sebediswang bakeng sa die castings hangata di pakeng tsa 6% le 12%. Mohlala, alloy ya aluminium ya ADC12 e sebediswang hangata e na le dikahare tsa silicon tse ka bang 9.6% ho isa ho 12%, e leng se e fang motsamao o motle mme se etsa hore e be ntle bakeng sa dikarolo tse rarahaneng tsa die-casting. Leha ho le jwalo, ho bohlokwa ho hlokomela hore dikahare tse phahameng tsa silicon ha se hakaalo hore di be betere. Dikahare tse ngata tsa silicon di ka lebisa ho thehweng ha dikarolwana tse kgolo tsa silicon tse mahoashe ka hara alloy, ho eketsa ho robeha ha yona, ho fokotsa thepa ya mechini ya ho lahla, le ho eketsa ho tsofala ha hlobo.

Koporo: Tekanyo Pakeng tsa Matla le Tshebetso ya ho Lahla

Li-die-castings tsa alloy ea aluminium, koporo e ntlafatsa haholo-holo matla a alloy. Bongata bo loketseng ba koporo bo ka theha mekhahlelo ea ho matlafatsa, joalo ka CuAl₂, e ka hasoang ka har'a matrix ea aluminium, e ntlafatsang ho thatafala le matla a alloy ka ho matlafatsa pula.

Leha ho le jwalo, phello ya koporo hodima thepa ya ho lahla e rarahane. Dikahare tse tlase tsa koporo ha di na phello e kaalo hodima ho phalla ha motswako mme di ka o ntlafatsa hanyane. Leha ho le jwalo, ha dikahare tsa koporo di ntse di eketseha, mocheso wa ho kristaleha ha motswako o a atoloha, o fokotsa ho phalla ha wona mme o eketsa tshekamelo ya ho lahla ho chesa. Hobane di-alloy tse nang le mocheso o moholo wa ho kristaleha di na le ho fokotseha ha nako e telele ha ho tiya, di na le monyetla o moholo wa ho ba le kgatello ya maikutlo kahare ho ho lahla, e leng se lebisang ho petsoheng ho chesang.

Ka hona, tlhahisong ea li-die-castings tsa alloy ea aluminium, bokaholimo ba koporo bo tlameha ho laoloa ho leka-lekanya matla le bokhoni ba ho lahla, hangata bo pakeng tsa 2% le 5%.

Magnesium: Ho Ntlafatsa Khanyetso le Matla a Tshenyo

Magnesium e ka theha mekhahlelo e matlafatsang joalo ka Mg₂Si ka har'a metsoako ea aluminium, e eketsa matla le ho tiea ha motsoako haholo. E boetse e ntlafatsa ho hanyetsa ho bola ha motsoako, e leng habohlokoa haholo bakeng sa li-die-castings tse sebelisoang libakeng tse mongobo le tse senyang.

Leha ho le jwalo, tshusumetso ya magnesium hodima thepa ya ho lahla ya di-alloy tsa aluminium ha ya lokela ho hlokomolohuwa. Bongata bo feteletseng ba magnesium bo ka fokotsa ho phalla ha alloy hobane magnesium e etsa metswako e nang le ntlha e phahameng ya ho qhibiliha le dielemente tse ding habonolo. Metswako ena e ka sitisa phallo ya ho qhibiliha ha alloy nakong ya ho lahla. Ho feta moo, bongata bo bongata ba magnesium bo eketsa ho monyela ha khase ya alloy, e leng se lebisang diphosong tse kang ho ba le masoba ha alloy. Ka hona, tlhahisong ya sebele, bongata ba magnesium hangata bo laolwa pakeng tsa 0.5% le 1.5% ho netefatsa matla a alloy le ho hanyetsa mafome ha ho ntse ho fokotswa ditlamorao tse mpe hodima thepa ya ho lahla.

Tšepe: Ho Laola Dikahare ho Fokotsa Ditlamorao Tse Mpe
Tšepe hangata e nkoa e le karolo ea litšila litšepeng tsa aluminium, empa litaba tsa eona li ka boela tsa ama litšobotsi tsa ho lahla. Litšepe tse fokolang li ka etsa hore ho khomarele ha die habonolo litšepeng tsa aluminium tse entsoeng ka alloy, e leng se etsang hore ho hloekisoa ha hlobo ho be thata le ho feta, ho fokotsa bokhoni ba tlhahiso, le ho senya boleng ba bokaholimo ba ho lahla.

Tšepe e itekanetseng e ka etsa metsoako e fapaneng ea tšepe e kang FeAl₃ ka har'a motsoako. Metsoako ena e tlotsa hlobo 'me e fokotsa ho khomarela ha die. Leha ho le joalo, tekanyo e feteletseng ea tšepe e ka lebisa ho thehoeng ha mekhahlelo e mengata ea tšepe e sa bonahaleng kapa e sa utloahaleng ka har'a motsoako. Mekhahlelo ena e eketsa ho tetebela ha motsoako, e fokotsa litšobotsi tsa mechini tsa ho lahla, 'me e boetse e ama ho phalla ha motsoako.

Ka hona, tekanyo ea tšepe e ka har'a li-die castings tsa aluminum alloy hangata e laoloa pakeng tsa 0.5% le 1.2% ho leka-lekanya litlamorao tsa eona holim'a li-die sticking le thepa ea mechini.

Ntle le likarolo tsa mantlha tse boletsoeng ka holimo, litšepe tsa aluminium li ka boela tsa ba le likarolo tse ling tse kang manganese, zinki le nickel, tse nang le tšusumetso e itseng litšobotsing tsa ho lahla.

Manganese e ka ntlafatsa boholo ba lithollo tsa motsoako oa aluminium, ea ntlafatsa matla le ho tiea ha eona, ha e ntse e se na phello e kaalo holim'a ho phalla ha eona. Zinc e ka ntlafatsa ho phalla ha eona, empa maemo a feteletseng a ka fokotsa ho hanyetsa ha eona ho bola. Nickel e ka ntlafatsa matla a eona a mocheso o phahameng le ho hanyetsa ho bola, empa e ka eketsa ho robeha ha eona le ho fokotsa ho phalla ha eona.

Tlhahisong ea 'nete, litaba tsa likarolo tsena li tlameha ho laoloa hantle ho latela litlhoko tse itseng tsa ts'ebeliso le lits'ebetso tsa ho lahla ho netefatsa hore li-die-cast tsa alloy ea aluminium li na le litšobotsi tse ntle tsa ho lahla le ts'ebetso.

Tšebelisano-'moho Pakeng tsa Lintho

Dielemente tse fapaneng tse alloy tsa aluminium ha di ame thepa ya ho lahla ka thoko; ho na le tshebedisano e rarahaneng pakeng tsa tsona. Mohlala, motswako wa silicon le koporo o ka lefella bofokodi ba tsona ho isa boholeng bo itseng. Silicon e ntlafatsa ho phalla ha metsi, ha koporo e eketsa matla. Hammoho, di fihlella tekano e ntle pakeng tsa thepa ya ho lahla le ya mechini. Phello e kopaneng ya magnesium le silicon e ka theha mekhahlelo e mengata ya ho matlafatsa Mg₂Si, e leng se eketsang matla a alloy. Leha ho le jwalo, karolelano ya dielemente tsena tse pedi e lokela ho nahannwa ka hloko ho qoba tshusumetso e mpe e kgolo hodima ho phalla ha metsi.

Ka hona, ha ho ralwa metswako ya alloy ya aluminium, ho bohlokwa ho nahana eseng feela ka tshusumetso ya dikarolo ka bomong empa hape le ka ditlamorao tsa tshebedisano mmoho pakeng tsa tsona. Ka motswako o leka-lekaneng, ho lahla le tshebetso ka kakaretso ya di-castings tsa alloy ya aluminium die di ka ntlafatswa.

aluminium-alloy-low-pressure-casting.jpg

Tšusumetso ea Lintlha tsa Ts'ebetso ho Litlamorao tsa Lielemente

Ho bohlokoa ho hlokomela hore tšusumetso ea likarolo ts'ebetsong ea ho lahla ha li-die-castings tsa alloy alloy le eona e angoa ke ts'ebetso ea ho lahla. Mohlala, liphetoho liparamenteng tsa ts'ebetso tse kang mocheso oa ho lahla ka alloy, mocheso oa hlobo, le lebelo la ente li ka fetola kabo le litlamorao tsa likarolo tse ka har'a alloy.

Lithempereichara tse phahameng tsa ho lahla die li ka ntlafatsa ho phalla ha alloy, e leng se fokotsang khaello ea ho phalla ha alloy e bakoang ke likarolo tse itseng. Leha ho le joalo, li ka boela tsa eketsa ho monngoa ha khase ea alloy le tšekamelo ea oxidation. Lithempereichara tse loketseng tsa hlobo li khothalletsa ho tiea le ho kristaleha, li fokotsa liphoso tsa ho lahla. Leha ho le joalo, mocheso o phahameng haholo kapa o tlase oa hlobo o ka ama boleng ba ho lahla hampe. Ka hona, tlhahisong ea 'nete, ho hlokahala ho kopanya haufi-ufi motsoako oa alloy le ts'ebetso ea ho lahla. Ka ho ntlafatsa liparamente tsa ts'ebetso, litlamorao tse ntle tsa karolo ka 'ngoe li ka sebelisoa ka botlalo ha litlamorao tsa tsona tse mpe li ka fokotsoa, ​​​​kahoo li hlahisa li-die-castings tsa alloy ea aluminium ea boleng bo holimo.

Ka bokhutšoanyane, likarolo tse ngata lia susumetsa ho lahlela tshebetso ya di-die-castings tsa alloy alloy, mme di a sebelisana le ho susumetsana. Nakong ya tlhahiso, ho hlokahala ho rala sebopeho sa alloy ka bohlale ho latela ditlhoko tse ikgethang tsa sehlahiswa, ho laola ka thata dikahare tsa karolo ka nngwe, le ho e kopanya le mekgwa e ntlafaditsweng ya ho lahla ho netefatsa ho lahla le tshebetso e ntle ya di-die-castings tsa alloy alloy. Yongkang Hantai Industry and Trade Co., Ltd., e nang le difeme tsa yona Yongkang le fektheri e ntjha Jiangshan, Quzhou, e utlwisisa ka botlalo bohlokwa ba taolo ya dielemente le ntlafatso ya tshebetso bakeng sa boleng ba di-die-castings tsa alloy alloy mme e ntse e ikemiseditse ho fa bareki di-die-castings tsa alloy alloy tsa boleng bo hodimo.