Aluminium tuag castings xa mus rau cov khoom siv ua los ntawm cov ntshiab txhuas lossis txhuas alloy casting. Vim tias tsis muaj zog ntawm cov ntshiab aluminium, tam sim no kev lag luam kev lag luam feem ntau muaj nyob rau hauv aluminium alloy castings. Aluminium alloy tuag casting tau tsim tau ntau xyoo, vim nws qhov kev ua tau zoo, kev ruaj khov, du thiab muag heev, casting siab qhov tseeb, siab zog thiab hardness, raw cov ntaub ntawv tuaj yeem siv dua, kev lag luam tus nqi zoo thiab lwm yam tseem ceeb. qhov zoo, nyob rau hauv kev lag luam hlau muaj qhov chaw, yog dav siv nyob rau hauv automotive qhov chaw manufacturing, aviation, ships, motors, kev sib txuas lus, hluav taws xob digital manufacturing, kev tsim kho, khoom siv hauv tsev thiab rooj tog, LED teeb pom kev zoo, handicrafts, guardrail fittings thiab tshiab zog thiab lwm yam xav tau teb. High-quality, high-precision, high-performance, high-toughness aluminium alloy castings tau maj mam dhau los ua ib qho tseem ceeb muaj nyob rau hauv ntau yam kev tsim thiab kev tsim, tuag-casting thiab lwm yam txheej txheem tau dhau los ua cov txheej txheem siv ntau tshaj plaws rau txhuas lossis txhuas. alloy khoom.
Rau qhov zoo ntawm aluminium alloy tuag castings:
- siab zog. Aluminium alloy castings muaj qhov ceev me dua li cov cam khwb cia hlau thiab cam khwb cia hlau, yog li lub zog siab dua ob qho tib si, thaum qhov hnyav dua. Yog li yog tias tib qhov chaw thauj khoom, kev siv aluminium alloy tuaj yeem txo qhov hnyav tag nrho, yog li hauv lub tshuab hluav taws xob, aerospace thiab cov khoom siv thauj mus los casting, aluminium castings tuaj yeem hais tau tias muaj qhov zoo, ib txwm siv ntau dua.
- Lub zog ruaj khov: Vim tias txhuas yog cov khoom siv ruaj khov thiab oxidation tsis kam, aluminium alloy castings yuav tsis yooj yim corrode thiab xeb. Tsis tas li ntawd, txhuas castings feem ntau yuav raug txau rau ntawm qhov chaw ntawm ib txheej ntawm electrostatic hmoov thiab fluorocarbon txheej, uas ua rau cov txhuas castings tuaj yeem tswj tau lub sijhawm ntev tsis ploj, yog li nws yog qhov tsim nyog rau kev kho kom zoo nkauj thiab cov khoom siv hauv tsev, rooj tog thiab cov hniav. cov khoom manufacturing teb. Thiab vim tias txhuas muaj peev xwm tswj tau qhov muaj zog corrosion txawm nyob rau hauv acidic ib puag ncig, yog li nws kuj tau siv dav hauv kev lag luam tshuaj.
- Muaj zog thermal conductivity. Ntshiab txhuas thiab txhuas alloy castings vim zoo thermal conductivity, nws yog feem ntau siv los ua tshuaj los yog fais fab machinery nyob rau hauv lub tshav kub exchangers los yog thermal conductivity qhov chaw.
- plasticity: vim qhov qis melting ntawm aluminium, ductility thiab zoo heev, yog li siv tau los cam khwb cia ntau yam molding. Thiab vim hais tias ntawm lub latent kub ntawm solidification ntawm txhuas, tib qhov chaw nyob rau hauv cov kua txhuas yuav siv sij hawm ntev rau solidify, uas yog hais tias, txhuas yuav ua tau ntev tshaj li lwm yam ntaub ntawv xws li cam khwb cia hlau cam khwb cia hlau los tuav lub xeev cov kua thiab kev txav mus los, ua ke nrog lub toughness ntawm txhuas kuj muaj zog heev, yog li rau qee qhov ntawm cov pwm pwm nyob rau hauv cov qauv ntawm casting ntawm complex castings, txhuas yog ntau haum.
- Kev nyab xeeb siab: Kev ntsuam xyuas qhia tau hais tias rau cua daj cua dub, muaj av qeeg, huab cua thiab lwm yam cuam tshuam sab nraud, aluminium alloy castings muaj peev xwm tiv taus. Thiab kev siv cov txhuas castings tuaj yeem sib dua tag nrho cov qauv hnyav, kev teeb tsa, tuav, kev tsim kho thiab kev saib xyuas yooj yim dua, tab sis kuj tuaj yeem sib cuam tshuam txo qhov tshwm sim ntawm qhov xwm txheej txaus ntshai.
- 6. Kev tsim tshwj xeeb: aluminium lossis aluminium alloy castings tuaj yeem ua rau qee qhov tshwj xeeb qauv kho kom zoo nkauj kom tau raws li qhov nyiam ntawm cov neeg siv sib txawv, yog li nws yog qhov tsim nyog rau kev siv hauv kev tsim kho kom zoo nkauj thiab rooj tog zaum.
Dab tsi yog cov txheej txheem tsim ntawm aluminium castings?
Rau txhuas castings, txheej txheem casting yog muab faib ua peb hom: siab casting, nqus casting thiab nyem casting. Tag nrho cov txheej txheem casting tuaj yeem ua tiav hauv cov kauj ruam hauv qab no: txhuas / aluminium alloy melting - qauv tsim - casting solidification - demolding - tu. - Ntxuav. Cov nram qab no ib los ntawm ib tug los qhia peb txoj kev casting.
- siab casting hu ua tuag casting, hais txog ntxiv rau lub ntiajteb txawj nqus ntxiv rau sab nraud quab yuam, instantaneous siab txhaj ntawm molten aluminium los yog aluminium alloy rau hauv pwm casting kab noj hniav ntawm tus txheej txheem. Lub siab casting tuaj yeem muab faib ua lub tshuab nqus tsev casting, centrifugal casting, low-pressure casting, thiab pressurized casting, thiab cia siab rau lub siab ntawm lub tshuab tuag casting kom tiav cov casting.
- Lub ntiajteb txawj nqus casting yog hais txog molten aluminium los yog aluminium alloy los ntawm nws tus kheej lub ntiajteb txawj nqus mus rau hauv pwm casting kab noj hniav nyob rau hauv tus txheej txheem,. Lub ntiajteb txawj nqus casting tuaj yeem muab faib ua cov xuab zeb casting txheej txheem thiab cov txheej txheem nyuaj pwm casting.
- Xuab zeb casting txheej txheem vim nws siv cov khoom pwm yog pheej yig thiab yooj yim kom tau, cov txheej txheem kuj kuj yooj yim, thiab heev haum rau txhuas castings ntawm ib thooj los yog loj ntau lawm, yog li nws yuav hais tau hais tias lub txhuas casting txheej txheem nyob rau hauv qhov "basic operation".
- Cov txheej txheem molding nyuaj kuj tseem hu ua cov txheej txheem hlau casting, kua txhuas los yog kua txhuas alloy yuav raug txhaj rau hauv cov hlau casting, tom qab txias thiab solidification kom tau txais cov casting ntawm ib daim ntawv ntawm kev siv tshuab. Cov pwm hlau feem ntau yog ua los ntawm ntau zog aluminium alloy lossis lwm yam hlau tawv, uas tuaj yeem siv tau ntau zaus, thiab tag nrho cov txheej txheem tuaj yeem nkag siab zoo li kev txhaj tshuaj molding.
- Cov txheej txheem extrusion casting tseem hu ua kua forging txheej txheem, cov txheej txheem tshwj xeeb yog tham txog lub xeev molten ntawm txhuas los yog txhuas alloy poured ncaj qha mus rau hauv lub pwm qhib, thiab ces sealing lub pwm kom cov kua txhuas los yog txhuas alloy nyob rau hauv lub pwm khiav. tau ntim rau hauv cov pwm sab nraud, thiab tom qab ntawd siv lub siab siab rau pwm, kom cov pwm tau ua kom muaj zog aluminium / aluminium alloy los tsim cov yas deformation, aluminium / aluminium alloy yuav solidified tib lub sij hawm thaum withstanding isosteric siab. , thaum kawg tsim aluminium / aluminium alloy. Unsolidified aluminium / aluminium alloy yuav raug rau isostatic siab thaum solidification tshwm sim nyob rau hauv siab, thaum kawg tsim aluminium / aluminium alloy castings.
- Rau lub sijhawm tam sim no, cov txheej txheem txhuas casting saum toj no yog suav tias yog feem ntau siv thiab tus nqi qis hauv kev lag luam. Ntxiv rau qhov saum toj no, muaj cov ceramic casting, plaster casting thiab lwm yam thev naus laus zis.
Tsis tas li ntawd, nyob rau hauv aluminium castings nyob rau hauv kev tsim, kev siv cov kab noj hniav nto muaj ib tug high degree ntawm tiav, thiab kuj sprayed los ntawm hluav taws-resistant cov ntaub ntawv thiab high-temperature adhesives ua los ntawm hluav taws-resistant coatings, yog li cov khoom ntawm txhuas casting nto yog. kuj heev du thiab tiaj tus, zoo dua li lwm yam hlau castings. Qhov no tseem muab cov txhuas castings ib qho txiaj ntsig tseem ceeb - qhov chaw du thiab siab casting raug, uas txo cov nqi ntawm kev ua hauj lwm hauv machining, tab sis tib lub sij hawm, tsis muaj ntau ntawm machining pub rau me me thiab meej qhov chaw. Aluminium / aluminium alloy castings uas tsim nyob rau hauv txoj kev no tsis tas yuav tsum tau machining thiab siv tau nrog tsuas yog ib qho yooj yim sib tsoo thiab polishing nyiaj, uas zoo heev txuag tus nqi ntawm kev ua lub sij hawm thiab cov nqi zog, thiab kuj txuag tau ib tug ntau ntawm ntshiab txhuas / txhuas alloy. raw khoom.
Dab tsi yog cov txheej txheem ntws ntawm aluminium alloy castings?
Aluminium alloy casting yog ib yam ntawm cov khoom siv alloy nrog txhuas ua cov khoom tseem ceeb, thiab txhuas thiab nws cov alloys tau siv dav hauv ntau lub teb vim tias lawv muaj ntau yam zoo heev. Aluminium casting yog ib txoj hauv kev siv los tsim cov aluminium alloy castings, thiab nws cov txheej txheem muaj qhov cuam tshuam tseem ceeb rau qhov zoo thiab tsim khoom ntawm castings. Cov txheej txheem ntws ntawm aluminium alloy casting yuav qhia hauv qab no:
- Casting Method xaiv: aluminium alloy castings tuaj yeem tsim los ntawm ntau txoj kev casting, xws li xuab zeb casting, hlau casting, siab casting thiab lwm yam. Qhov kev xaiv tshwj xeeb ntawm cov txheej txheem casting yuav tsum tau ua raws li cov kev cai tshwj xeeb ntawm cov casting, qhov loj thiab ntau lawm nplai thiab lwm yam rau kev txiav txim siab.
- Pwm tsim: raws li cov duab tshwj xeeb thiab qhov loj ntawm cov casting, pwm tsim. Hauv kev tsim pwm, yuav tsum tau coj mus rau hauv tus account lub zog ntawm pwm, hnav tsis kam, yooj yim ntawm kev lag luam thiab kev lag luam thiab lwm yam. Nyob rau tib lub sijhawm, cov cua sov thiab cua txias ntawm cov pwm kuj yuav tsum tau txiav txim siab los xyuas kom meej tias cov castings txaus rhuab thiab txias thaum lub sij hawm casting txheej txheem.
- Melting Aluminium: Txhuas yog yaj mus rau hauv cov kua hauv lub xeev thiab lwm cov ntsiab lus yuav tsum tau ntxiv kom tau ib qho txhuas alloy ntawm qhov xav tau muaj pes tsawg leeg thiab cov khoom. Thaum lub sij hawm melting txheej txheem, cov cua kub kub thiab lub sij hawm, raws li zoo raws li hom thiab tus nqi ntawm alloying ntsiab ntxiv, yuav tsum tau tswj.
- Pouring thiab solidification: Kua aluminium alloys yog poured rau hauv pwm los ua castings los ntawm ib tug txias thiab solidification txheej txheem. Thaum lub sij hawm tus txheej txheem no, lub pouring ceev thiab solidification lub sij hawm yuav tsum tau tswj kom tsis txhob muaj qhov tsis xws luag xws li porosity thiab tawg.
- Demolding thiab tu: Lub solidified casting raug tshem tawm ntawm pwm thiab qhov chaw yog ntxuav. Nyob rau hauv tus txheej txheem demolding, yuav tsum tau them nyiaj mloog kom tsis txhob deformation los yog puas tsuaj rau cov castings. Kev ntxuav feem ntau suav nrog tshem tawm cov seem seem, oxidized ntawm daim tawv nqaij thiab lwm yam.
- Kev soj ntsuam zoo: kev tshuaj xyuas zoo ntawm cov castings, nrog rau kev soj ntsuam me me, kev soj ntsuam zoo li qub, tsis muaj kev puas tsuaj thiab lwm yam. Nyob rau hauv cov txheej txheem tshawb nrhiav, pom cov khoom tsis tsim nyog yuav tsum tau rov ua haujlwm lossis muab pov tseg kom ntseeg tau tias qhov zoo ntawm cov castings ua tau raws li qhov yuav tsum tau ua.
- Kev ntsuas kev ua tau zoo: kev ntsuas kev ua tau zoo ntawm cov khoom tsim nyog, suav nrog cov khoom siv kho tshuab, kev tiv thaiv corrosion, thermal conductivity thiab lwm yam ntawm qhov kev xeem.
Hauv cov ntsiab lus, cov txheej txheem ntawm aluminium alloy castings suav nrog kev xaiv txoj kev xaiv, pwm tsim, melting aluminium, pouring thiab solidification, demolding thiab tu, kev soj ntsuam zoo thiab kev soj ntsuam thiab lwm yam. Txhua qhov txuas muaj qhov cuam tshuam tseem ceeb ntawm kev ua tau zoo thiab kev tsim khoom ntawm castings. Txhawm rau kom tau txais cov khoom zoo aluminium alloy castings, nws yog ib qho tsim nyog yuav tsum nruj me ntsis tswj qhov zoo thiab cov txheej txheem ntawm txhua qhov txuas, thiab ua kom muaj kev sib txuas lus zoo thiab kev sib koom tes. Nrog rau kev txhim kho txuas ntxiv thiab kev nce qib ntawm kev tshawb fawb thiab thev naus laus zis, nws ntseeg tau tias cov txheej txheem tsim khoom thiab thev naus laus zis ntawm aluminium alloy castings yuav raug txhim kho tas li thiab ua tiav los muab cov ntaub ntawv zoo dua thiab cov khoom lag luam rau kev tsim kho hauv ntau yam.
Dab tsi yog cov yam ntxwv ntawm aluminium alloy castings?
Aluminium alloy casting yog ib yam ntawm cov khoom siv alloy nrog txhuas ua cov khoom tseem ceeb, uas yog siv dav hauv ntau lub teb vim tias txhuas thiab nws cov alloys muaj ntau yam zoo heev. Cov yam ntxwv tseem ceeb ntawm aluminium alloy castings yuav qhia hauv qab no.
- Lub zog siab: aluminium alloy castings muaj qhov ntom ntom dua li cov cam khwb cia hlau thiab cam khwb cia hlau, yog li lawv muaj zog dua ob qho tib si thaum hnyav dua.
- Muaj zog durability: aluminium alloy castings yuav tsis yooj yim raug kev txom nyem los ntawm corrosion thiab xeb vim cov khoom nws tus kheej muaj zog stability thiab antioxidant muaj peev xwm. Tsis tas li ntawd, aluminium castings feem ntau yog txau nrog txheej txheej ntawm cov hmoov electrostatic thiab fluorocarbon txheej rau ntawm qhov chaw, uas ua rau txhuas castings tuaj yeem tswj tau lub sijhawm ntev yam tsis muaj fading, uas yog qhov tsim nyog rau kev siv hauv kev kho kom zoo nkauj thiab kho kom zoo nkauj. tsim cov khoom siv hauv tsev, rooj tog zaum thiab cov khoom dai.
- Muaj zog thermal conductivity: Ntshiab aluminium thiab aluminium alloy castings feem ntau yog siv los ua cov khoom siv hluav taws xob sib pauv lossis cov khoom siv hluav taws xob hauv cov khoom siv tshuaj lom neeg lossis lub zog hluav taws xob vim tias lawv cov thermal conductivity zoo.
- High plasticity: Vim nws qhov qis melting point thiab zoo ductility, aluminium tuaj yeem siv los nrum ntau yam duab.
- Kev nyab xeeb siab: Kev ntsuam xyuas tau pom tias aluminium alloy castings muaj kev tiv thaiv rau sab nraud xws li cua daj cua dub, muaj zog av qeeg thiab huab cua.
- Zoo fluidity: Aluminium alloy castings muaj fluidity zoo vim aluminium matrix eutectic alloys muaj qhov zoo tshaj plaws fluidity. Nyob rau tib lub sijhawm, qhov fluidity ntawm aluminium alloy castings raug cuam tshuam los ntawm ntau yam, nrog rau nws cov muaj pes tsawg leeg, qhov kub thiab txias, thiab muaj cov hlau oxides, hlau sib txuas thiab lwm yam kab mob nyob rau saum npoo ntawm cov khoom ntawm cov khoom-theem hais.
- Controllable shrinkage: Ib qho ntawm cov yam ntxwv tseem ceeb ntawm txhuas profile castings yog shrinkage, uas tau muab faib ua peb theem los ntawm cov kua pouring mus rau solidification kom txog rau thaum txias rau chav tsev kub, uas yog kua shrinkage, solidification shrinkage thiab solid-state shrinkage. Cov khoom shrinkage ntawm aluminium alloy muaj qhov kev txiav txim siab ntawm qhov zoo ntawm cov castings, uas cuam tshuam rau qhov loj ntawm casting shrinkage, tsim kev ntxhov siab, tawg tsim thiab kev hloov pauv.
Hauv cov ntsiab lus, aluminium alloy castings muaj ntau yam zoo heev, xws li lub zog siab, durability, thermal conductivity, plasticity, kev nyab xeeb, zoo fluidity, thiab shrinkage. Cov yam ntxwv no ua rau aluminium alloy castings dav siv hauv ntau qhov chaw, xws li aerospace, tsheb tsim, tshuab tsim, hluav taws xob hluav taws xob, tshuaj lom neeg kev lag luam, thiab lwm yam. Lub caij no, nrog kev txhim kho txuas ntxiv ntawm kev tshawb fawb thiab thev naus laus zis, cov txheej txheem tsim khoom thiab thev naus laus zis ntawm aluminium alloy castings kuj tseem txhim kho, thiab ntau dua aluminium alloy castings nrog cov yam ntxwv zoo heev yuav raug tsim thiab siv rau yav tom ntej.