Theknoloji ea Die Casting ea Aluminium Alloy Automobile Lower Cylinder Block

Nako ea ho Hatisa: 05 / 13 2021 Mongoli: Mohlophisi oa Setsi Etela: 11809

Lilemong tsa morao tjena, paballo ea matla le phokotso ea mochini e fetohile mokhoa oa mehla, mme boima ba likoloi le bona ke mokhoa o akaretsang. Tlas'a limelo tsena tse peli tse kholo, ts'ebeliso ea lisebelisoa tsa aluminium alloy likoloi li se li le ngata haholo, mme likarolo tsa likoloi tse ngata li theoa ka ho betsa. E le likarolo tsa mantlha tsa likoloi, boholo ba lijana tsa enjene ea enjene li entsoe ka motsoako oa aluminium le tšepe ea tšepe. Har'a tsona, li-block-aluminium alloy cylinder block block li se li tsebahala le ho feta. Likhamphani tsa makoloi a Majapane, Korea, Europe le Amerika hangata li sebelisa li-cylinder alloy block tsa die-cast aluminium.

Lefapheng la tlhahiso ea li-cylinder block, li-cylinder tsa tšepe tse tloaelehileng tsa lehlabathe li na le melemo ea ts'ebetso e bonolo, theko e tlase, ho tenyetseha hantle le ho hanyetsa mocheso, empa ho boetse ho na le phoso, ke hore, boima bo boholo haholo.

Haeba u arola crankshaft e ka tlasa setene sa silindara le silindara ka holim'a setulo sa silindara ka bobeli, sebelisa motsoako oa aluminium ka tlase ebe u lahlela tšepe holimo, u ka etsa lintho tse peli ka lejoe le le leng, le sa fokotseng boleng ba sekontiri , empa hape e boloka melemo ea sejana sa silindara sa tšepe.

Moqomo o ka tlase o bua ka karolo e ka tlase ea crankshaft ea enjene kamora karohano e joalo ho ba peli. Hobane 'mele oa silindara o tlase ke karolo e nang le marako a teteaneng,' me botenya ba lerako bo fapana haholo, ho thata haholo ho shoa. Re ithutile ho tsoa phihlelong e amehang ea lapeng le kantle ho naha, e qapiloeng mme e hlahisitse seteishene sa mahlale a tlase a silindara bakeng sa enjene ea 1.5T, mme tlhahlobo e atlehile haholo.

1. Ho thatafalloa ke ho lahla aluminium alloy block cylinder

The aluminium motsoako tlaase silindara lahla boima ke 8.4kg, kemiso boholo ke 382mm × 258mm × 67mm, shoa lahla boima ke 11.1kg, lintho tse bonahalang tse ke A380, 'me karolelano leboteng botenya ke 7.2mm. Kaha moqomo o ka tlase oa silindara o hokahane le crankshaft, kenyelletso ea tšepe ea tšepe e hloka ho beoa tlase.

Ts'ebetso ea ho lahla setopo sa silindara se tlase e thata, 'me mathata a mantlha ke a latelang:

Taba ea mantlha, ho lahla ho hloka ho beoa likhechanong tse 5 tsa tšepe, 'me tšepe e kenngoang ka tšepe e tlameha ho kenella ka ho phethahetseng ho li-castings tsa aluminium ntle le karohano.
Taba ea bobeli, botenya ba li-castings tsa 'mele o tlase bo tšesaane joalo ka 2mm karolong e tšesaane haholo le 24mm karolong e tenya haholo,' me kabo ha e tšoane hantle.
Taba ea boraro, ka lebaka la phapang e kholo ea botenya lipakeng tsa mabota a mahlakoreng a kenyelletso, e tlisa bothata bo boholo ho tlatseng phallo ea mokelikeli oa motsoako oa aluminium, hape e leka bokhoni ba eona ba ho fepa.
Ntlha ea bone, li-castings tsa alloyum aluminium li na le litšitiso tse joalo ka masoba, masoba a shrinkage, mapetso le shrinkage porosity, mme taolo ea boleng e thata.

2. Lintlha tsa bohlokoa tsa theknoloji ea die casting ea aluminium alloy block cylinder block

Ho ea ka tlhahlobo ea tlhahlobo, re lumela hore lintlha tsa mantlha tsa tekheniki ea tlhahiso ea li-die-casting ea sekontiri se ka tlase ke tse latelang:

Taba ea mantlha, rala mahlale a sistimi ea cylinder block die. Sebaka sa kenyelletso bohareng ba setene se katlase sa silindara se marako a masesaane, 'me likarolo tse kaholimo le tse tlase li likarolo tse tenya le tse kholo. Ka hona, re khetha ho tšela lehlakore le le leng, e le hore aluminium e qhibilihisitsoeng e ka fepeloa ho tloha lehlakoreng le tlase. , Phalla ka hare ho kenyelletso ea bohareng 'me u fihle holimo.
Ea bobeli, re sebelisa leino le bōpehileng joaloka chilled qeta monono le literata lephaka shoela'ng-foromeletsoeng. Motsoako oa leino le bopehileng le batang la leino le bopehileng joaloka leino o ka ntlafatsa bothata ba mokelikeli o sa lekaneng o bakoang ke mabota a mahlakore a mabe le ho netefatsa boleng bo botle ba ho lahla.
Ntlha ea boraro, e le ho ntlafatsa bonyenyane ba mokelikeli oa aluminium alloy le tšepe e kenngoang, re futhumatsa li-insert, tse sa netefatseng feela hore tšepe ea tšepe le aluminium ha e arohane kamora ho theha, empa hape e ntlafatsa phallo ea aluminium e qhibilihisitsoeng. . Kamora ho etsa liteko, sebopeho sa kahare sa 'mele o ka tlase oa silindara oo re o fumaneng o motenya mme chebahalo e thehiloe hantle.

Ha ho etsoa li-cylinder tse tlase, likarolo tsa ts'ebetso ea mahlale le kahlolo e molemo ke tiiso ea ho fumana silindara sa boleng bo holimo. Re lumela hore mekhahlelo e latelang ea tšebetso ke lintlha tsa bohlokoa tse susumetsang bakeng sa ho betla:

Ntlha ea pele, shoa lahla mocheso. ho theoha haholo ho tla lebisa ho tlatseng hampe. Ka kakaretso, mocheso o nepahetseng oa aluminium e qhibilihisitsoeng e lokela ho ba lipakeng tsa 650-665 ℃, 'me mocheso kamora ho fafatsa hlobo o lokela ho ba lipakeng tsa 150-200 ℃.
Taba ea bobeli, mocheso oa kenyelletso.Ha kenyelletso e fihla ho 120-140 ℃, aluminium e qhibilihisitsoeng e phallela lehlakoreng le leng la tanka, e ka ntlafatsang boleng ba kahare.
Ea boraro, shoa ha u lahla ka potlako le butle butle ka lebelo la ente le khatello. Lebelo la ente e potlakileng le ente e liehang e lokela ho laoloa ho hoo e ka bang 4m / s le 0.22m / s ka ho latellana, 'me khatello e lokela ho laoloa hoo e ka bang 70MPa.
Ntlha ea bone, boleng ba aluminium e qhibilihisitsoeng. Ka hona, ho netefatsa boleng ba aluminium e qhibilihisitsoeng, sephutheloana se seng le se seng sa aluminium e qhibilihisitsoeng se tlameha ho ntlafatsoa le ho fafatsoa ho qoba tšilafalo.

3. Liphoso tsa ho lahla li-aluminium alloy silindara tse tlase le mehato ea boipheliso

Kamora hore ho qaloe, re ile ra etsa tlhahlobo ea X-ray ho laoleng mme ra fumana hore ho betsa ho na le liphoso tse kahare, joalo ka likhahla tsa shrinkage, pores le shrinkage porosity.

Bakeng sa ho ntlafatsa litšitiso le ho ntlafatsa boleng, re hlahisitse mehato e tsamaellanang, eo litaelo tsa eona tsa mantlha e leng tse latelang:

Taba ea mantlha, ntlafatsa sebopeho sa tanka e khaphatsehang. Phallo e khaphatsehang e na le mesebetsi ea ho leleka khase kahare, ho boloka khase e tsoakiloeng, le ho fetisetsa likarolo tsa shrinkage / shrinkage. Kamora liteko tse ngata khafetsa le lipatlisiso, re fumane hore re ka sebelisa mekhoa e joalo ka ho holisa le ho eketsa li-groove tsa ho khaphatseha ho ntlafatsa shrinkage, pores le mathata a mang. Kaha ho na le li-shrinkage tse ngata le porosity bohareng ba ho betsa, khatello ea ho tlatsa e tla ameha haeba boema-kepe bo khaphatsehang bo behiloe sefofaneng se seholo, ka hona hangata koung ea phallo e emeng hangata e khethoa.
Ea bobeli, optimize hlobo oona tsamaisong tsidifatso. Masoba a siling a li-castings hangata a hlaha libakeng tseo mocheso oa lehae o leng holimo haholo kapa botenya ba lebota bo boholo haholo. Ka lipatlisiso, re fumane hore mocheso o phahameng maboteng a mahlakore a motenya o ka baka likhahla tsa shrinkage habonolo. Kaha bophara ba phala e pholileng e khethiloeng qalong ke 12mm, e ke keng ea khona ho pholisa libaka tse boletsoeng kaholimo, re ntlafalitse sebopeho sa phala ea metsi e pholileng, re sebelisa lisebelisoa tsa khatello e phahameng ea khatello le phala ea tšepe e sa hloekang e nang le bophara ba ka hare ba 4mm. Re pholile li-cores tsa hlobo ka mahlakore ka bobeli a ho betsa ho isa ho 180 ° C, e fokotsitseng ts'ebetso ea shrinkage haholo mme ea ntlafatsa boleng ba ho betsa.
Taba ea boraro, ntlafatsa karohano ea lisebelisoa. Ka lebaka la ketsahalo ea karohano lipakeng tsa ho kenya le aluminium alloy castings, re amohetse mehato e latelang: pele, sebelisa thinner ho hloekisa lisebelisoa ho ntlafatsa bonyenyane; ea bobeli, ho etsa tlhahlobo ea lesoba le tlhahlobo ea ponahalo ho li-insert, ho sebelisoa terata ea tšepe Karolo ea lisebelisoa tse bonoang ke mafome e ile ea tlosoa; la boraro, tlhahlobo ea preheating e entsoe ho li-insert. Phuputso e fumane hore ha mocheso o fihla ho 120 ℃ kapa ho feta, bothata ba karohano ea kenyelletso bo ka rarolloa ka nepo.

4. Qetello

Lilemong tsa morao tjena, ka ntšetso-pele ea maano a naha ea heso a ho boloka matla le ho fokotsa mohlapo le mokhoa o akaretsang oa likoloi tse bobebe, lisebelisoa tsa aluminium alloy li sebelisoa ka bongata le ho feta likoloing, 'me likarolo tse ngata tsa likoloi li theoa ka ho betsa, ho kenyelletsa likarolo tsa mantlha tsa likoloi— enjene. Hajoale, ts'ebeliso ea aluminium alloy e lahlang silindara e tlase e se e le tloaelo, e ka fokotsang boima ba silindara mme ea fumana boleng ba silindara. Leha ho le joalo, ka lebaka la sebopeho se rarahaneng sa 'mele oa silindara o tlase le phapang e kholo ea botenya ba lebota, ho lahla setopo sa aluminium alloy body cylinder ho thata haholo.

Ka ho etsa lipatlisiso tsa liteko, pampiri ena e sekaseka mathata a thekeng ea ho betsa theknoloji ea li-cylinders tse tlase tsa aluminium, mme e sisinya sesepa se entsoeng ka boqhetseke sa mahlale, e sebelisa theknoloji e bopehileng joaloka leino e koaletsoeng ka leino bakeng sa ho futhumatsa lisebelisoa le lits'epe tse ling tsa aluminium. Lintlha tsa bohlokoa tsa theknoloji ea ho lahla thepa ea silindara e tlase. Ntle le moo, e akaretsa le likoli tsa aluminium alloy cylinder block, joalo ka li-shrinkage, silindara le literata.

Ka kopo boloka mohloli le aterese ea sengoloa sena hore se hatisoe hape: Theknoloji ea Die Casting ea Aluminium Alloy Automobile Lower Cylinder Block

Minghe Khamphani ea Die Casting li inehetse ho etsa le ho fana ka boleng bo phahameng le likarolo tse phahameng tsa ho lahla likarolo Thining-Wall Die Casting,Hot Chamber Die lahla,Cold Chamber shoa lahla), Tšebeletso e chitja (Die Casting Service,Cnc Machining,Ho Etsa Mofuta, Bokaholimo Phekolo) .Na tloaelo efe kapa efe ea Aluminium die die cast, magnesium kapa Zamak / zinc die casting le litlhoko tse ling tsa castings lia amoheleha ho ikopanya le rona

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