1, Xuab zeb Casting
Ib txoj hauv kev los tsim cov castings hauv cov xuab zeb pwm. Hlau, hlau, thiab feem ntau tsis-ferrous alloy castings tuaj yeem tau los ntawm txoj kev xuab zeb casting.
Technical nta:
(1) Tsim nyog rau kev ua cov blanks nrog cov duab nyuaj, tshwj xeeb tshaj yog cov uas muaj cov kab noj hniav nyuaj;
(2) Kev hloov pauv dav dav thiab tus nqi qis;
(3) Rau qee cov ntaub ntawv uas tsis zoo plasticity, xws li cam khwb cia hlau, xuab zeb casting yog tib txoj kev tsim rau kev tsim lawv cov khoom lossis qhov khoob.
Daim ntawv thov: Castings rau automotive engine lub tog raj kheej blocks, lub tog raj kheej taub hau, crankshafts, thiab lwm yam.
2, Kev nqis peev Casting
Nws feem ntau yog hais txog cov txheej txheem casting qhov twg pwm yog ua los ntawm cov khoom fusible, thiab ob peb txheej ntawm cov khoom siv refractory yog coated rau saum npoo ntawm pwm los ua lub plhaub. Tom qab ntawd cov pwm yog yaj thiab tawm ntawm lub plhaub kom tau cov pwm tsis muaj qhov sib cais. Tom qab kub kub calcination, nws tuaj yeem sau nrog xuab zeb thiab nchuav. Feem ntau hu ua "wax poob casting".
Qhov zoo:
(1) High dimensional thiab geometric raug;
(2) High deg roughness;
(3) Muaj peev xwm ntawm cov castings nrog cov duab nyuaj thiab tsis muaj kev txwv tsis pub cov hlau nplaum.
Qhov tsis zoo: cov txheej txheem nyuaj thiab cov nqi siab
Daim Ntawv Thov: Tsim nyog rau kev tsim cov khoom me me nrog cov duab nyuaj, cov kev xav tau siab precision, lossis nyuaj rau lwm yam kev ua, xws li turbine cav hniav.
3, Tuag Casting
Tuag casting yog cov txheej txheem ntawm kev siv lub siab ceev kom ceev cov hlau molten mus rau hauv kab noj hniav ntawm precision hlau pwm, thiab cov hlau molten txias thiab solidifies nyob rau hauv siab los tsim ib tug casting.
Qhov zoo:
(1) Thaum lub sij hawm tuag casting, cov hlau ua kua muaj kev kub siab thiab muaj qhov nrawm nrawm;
(2) Cov khoom lag luam zoo, ruaj khov loj, thiab kev sib hloov zoo;
(3) Kev ua haujlwm siab ntau lawm thiab nquag siv cov pwm tuag-casting;
(4) Tsim nyog rau kev tsim khoom loj nrog cov txiaj ntsig zoo nyiaj txiag.
Qhov tsis zoo:
(1) Castings yog nquag ua rau me me pores thiab shrinkage porosity;
(2) Tuag castings muaj plasticity tsawg thiab tsis haum rau kev ua hauj lwm nyob rau hauv tej yam loads thiab vibrations;
(3) Thaum siab melting point alloys yog tuag-casting, lub pwm lub neej yog tsawg, uas cuam tshuam rau expansion ntawm tuag-casting ntau lawm.
Daim ntawv thov: Tuag castings yog thawj zaug siv nyob rau hauv automotive thiab instrumentation industries, thiab tom qab ntawd maj mam nthuav mus rau ntau yam industries, xws li kev ua liaj ua teb machinery, tshuab cuab yeej kev lag luam, electronics kev lag luam, lub teb chaws tiv thaiv kev lag luam, computer, khoom kho mob, moos, koob yees duab, thiab cov khoom siv niaj hnub. .
4, Tsawg Siab Casting
Tsis tshua muaj siab casting yog hais txog txoj kev sau cov pwm nrog kua hlau nyob rau hauv qis siab (0.02-0.06 MPa) thiab crystallizing nyob rau hauv siab los tsim ib tug casting.
Technical nta:
(1) Lub siab thiab ceev thaum lub sij hawm nchuav tuaj yeem hloov kho, ua kom haum rau ntau yam pwm pwm (xws li pwm hlau, xuab zeb pwm, thiab lwm yam), casting ntau yam alloys thiab castings ntawm ntau qhov ntau thiab tsawg;
(2) Kev siv hauv qab txhaj tshuaj molding, cov hlau ua kua dej yog du thiab tsis muaj txaws, uas tuaj yeem zam cov pa nkag thiab yaig ntawm cov pwm phab ntsa thiab cov tub ntxhais, thiab txhim kho qhov tsim nyog tus nqi ntawm castings;
(3) Castings crystallize nyob rau hauv siab, nrog ib tug ntom microstructure, meej contours, du nto, thiab siab mechanical zog, ua rau lawv tshwj xeeb zoo rau casting loj thiab nyias-walled qhov chaw;
(4) Tshem tawm qhov xav tau ntawm shrinkage risers, tus nqi siv hlau yog nce mus rau 90% mus rau 98%;
(5) Kev siv zog tsawg, kev ua haujlwm zoo, cov cuab yeej siv yooj yim, thiab kev siv yooj yim ntawm kev siv tshuab thiab automation.
Daim ntawv thov: Feem ntau raws li cov khoom siv ib txwm muaj (lub tog raj kheej taub hau, lub log hub, lub tog raj kheej ncej, thiab lwm yam).
5, Centrifugal Casting
Centrifugal casting yog ib txoj kev casting uas muab cov hlau molten rau hauv cov pwm tig, ua rau cov pwm nyob rau hauv lub zog centrifugal, thiab solidifies rau hauv cov duab.
Qhov zoo:
(1) Yuav luag tsis muaj hlau noj nyob rau hauv lub pouring system thiab riser system, kev txhim kho cov txheej txheem yield;
(2) Thaum tsim cov hollow castings, cov tub ntxhais tsis xav tau, yog li cov hlau filling muaj peev xwm tuaj yeem txhim kho tau zoo thaum tsim cov tubular castings ntev;
(3) Cov khoom siv ntom ntom ntom ntom ntom nti, tsawg dua tej yam tsis xws li pores thiab slag suav, thiab cov khoom siv hluav taws xob;
(4) Ib qho yooj yim los tsim cov hlau sib xyaw ua ke rau lub tog raj kheej thiab lub tes tsho.
Qhov tsis zoo:
(1) Muaj qee qhov kev txwv thaum siv nws los tsim cov khoom tshwj xeeb zoo li tus castings;
(2) Txoj kab uas hla ntawm lub qhov hauv qhov casting yog qhov tsis raug, qhov saum npoo ntawm lub qhov sab hauv yog qhov ntxhib, qhov zoo yog qhov tsis zoo, thiab muaj cov nyiaj ua haujlwm loj;
(3) Castings yog qhov yooj yim rau kev sib cais tshwj xeeb.
Daim ntawv thov: Centrifugal casting yog thawj zaug siv nyob rau hauv zus tau tej cov cam khwb cia kav, thiab nws yog dav siv nyob rau hauv kev lag luam xws li metallurgy, mining, tsheb thauj mus los, dej thiab irrigation machinery, aviation, lub teb chaws tiv thaiv, thiab tsheb nyob rau hauv lub domestic thiab txawv teb chaws los tsim steel, hlau. , thiab non-ferrous carbon alloy castings. Kev tsim cov castings xws li centrifugal cam khwb cia hlau kav, sab hauv combustion engine cylinder liners, thiab ncej tes tsho yog tshwj xeeb tshaj yog muaj.
6, Gravity Tuag Casting
Lub ntiajteb txawj nqus tuag casting yog hais txog ib txoj kev molding nyob rau hauv uas cov kua hlau ua cov hlau pwm nyob rau hauv qhov kev txiav txim ntawm lub ntiajteb txawj nqus thiab txias thiab solidifies nyob rau hauv pwm kom tau castings.
Qhov zoo:
(1) Lub thermal conductivity thiab kub muaj peev xwm ntawm cov pwm hlau yog siab, qhov txias txias yog ceev, cov qauv casting yog ntom, thiab cov khoom siv tshuab yog li 15% siab dua cov xuab zeb pwm castings.
(2) Castings uas tuaj yeem ua tiav qhov tseeb qhov tseeb thiab qhov tsis zoo ntawm qhov roughness, thiab muaj kev ruaj ntseg zoo.
(3) Los ntawm tsis siv lossis tsis tshua siv cov xuab zeb cores, ib puag ncig zoo dua, plua plav thiab cov pa phem raug txo, thiab kev siv zog txo qis.
Qhov tsis zoo:
(1) Cov pwm hlau nws tus kheej tsis muaj qhov ua pa, thiab qee qhov kev ntsuas yuav tsum tau coj mus rau kev xa tawm huab cua hauv pwm kab noj hniav thiab cov roj uas tsim los ntawm cov xuab zeb core;
(2) Hlau pwm tsis muaj yielding zog thiab yog nquag tawg thaum lub sij hawm casting solidification;
(3) Lub voj voog tsim ntawm cov pwm hlau yog ntev thiab tus nqi siab. Yog li ntawd, tsuas yog hauv kev tsim khoom loj tuaj yeem ua rau pom kev lag luam zoo.
Daim ntawv thov: Hlau pwm casting yog tsim rau loj zus tau tej cov zoo li tus uas tsis yog-ferrous alloy castings xws li txhuas alloys thiab magnesium alloys, raws li zoo raws li rau zus tau tej cov hlau hlau castings, ingots, thiab lwm yam.
7, Nqus Tuag Casting
Lub tshuab nqus tsev tuag casting yog txheej txheem kev tuag casting siab heev uas tshem tawm lossis txo qhov porosity thiab cov pa yaj hauv qhov tuag casting pwm kab noj hniav thaum lub sijhawm tuag casting txheej txheem, yog li txhim kho cov khoom siv thiab qhov zoo ntawm qhov tuag casting.
Qhov zoo:
(1) Tshem tawm lossis txo cov porosity sab hauv hauv kev tuag castings, txhim kho cov khoom siv dag zog thiab qhov zoo ntawm qhov tuag castings, thiab txhim kho cov txheej txheem kev ua haujlwm;
(2) Kev txo qis rov qab siab ntawm cov pwm kab noj hniav tuaj yeem siv cov alloys uas muaj qhov tshwj xeeb qis thiab kev ua haujlwm tsis zoo, thiab nws tuaj yeem siv cov tshuab me me los nrum loj dua;
(3) Txhim kho cov txheej txheem filling, muaj peev xwm tuag-casting thinner castings.
Qhov tsis zoo:
(1) Cov qauv sealing ntawm cov pwm yog qhov nyuaj, ua rau nws nyuaj rau kev tsim thiab nruab, ua rau cov nqi ntau dua;
(2) Yog hais tias lub tshuab nqus tsev tuag-casting txoj kev tsis tswj kom zoo, cov nyhuv yuav tsis tseem ceeb heev.
Daim ntawv thov: Lub tshuab nqus tsev tuag casting tshuab tau tsim sai heev thiab tau siv dav hauv kev lag luam xws li aerospace, riam phom, nkoj, cov twj paj nruag, lub cev valve, khoom siv hauv tsev, thiab tsheb.
8, Squeezing Tuag Casting
Squeezing tuag casting yog ib txoj kev ntawm solidification thiab txaus tsim ntawm cov kua los yog semi-solid hlau nyob rau hauv lub siab, ncaj qha mus rau lub workpieces los yog blanks. Nws muaj qhov zoo ntawm kev siv siab ntawm cov kua hlau, cov txheej txheem yooj yim, thiab ruaj khov zoo, ua rau nws muaj peev xwm txuag hluav taws xob thiab muaj peev xwm hlau tsim tshuab.
Direct nyem casting: tshuaj tsuag txheej, ncuav alloy, pwm kaw, pressurization, siab tuav, siab nyem, pwm sib cais, dawb paug demolding, thiab resetting;
Indirect nyem casting: txheej txau, pwm kaw, pub mis, pwm filling, pressurization, siab tuav, siab nyem, pwm sib cais, dawb paug demolding, thiab resetting.
Technical nta:
(1) tuaj yeem tshem tawm cov teeb meem sab hauv xws li porosity, shrinkage, thiab porosity;
(2) Tsawg nto roughness thiab siab qhov tseeb;
(3) tuaj yeem tiv thaiv qhov tshwm sim ntawm cov kab nrib pleb;
(4) Ib qho yooj yim mus cuag mechanization thiab automation.
Daim ntawv thov: Nws tuaj yeem siv los tsim ntau hom alloys, xws li txhuas alloys, zinc alloys, tooj liab alloys, ductile hlau, thiab lwm yam.
9, Poob Foam Casting
Poob ua npuas ncauj casting (tseem hu ua tag nrho pwm casting) yog ib txoj kev tshiab casting uas ua ke nrog cov qauv paraffin lossis ua npuas ncauj zoo ib yam li qhov loj thiab cov duab ntawm cov castings rau hauv cov qauv pawg, txhuam thiab dries refractory coatings, faus lawv nyob rau hauv qhuav quartz xuab zeb rau vibration molding. , nchuav lawv nyob rau hauv qhov tsis zoo siab, vaporizes cov qauv, occupies pwm txoj hauj lwm nrog kua hlau, thiab cov ntaub ntawv castings tom qab solidification thiab txias.
Cov txheej txheem ntws: ua ntej foaming → foaming forming → txheej immersion → ziab → shaping → pouring → xuab zeb poob → tu
Technical nta:
(1) High casting raug, tsis muaj xuab zeb core, txo lub sijhawm ua haujlwm;
(2) Tsis muaj parting nto, hloov tau yooj yim tsim, qib siab ntawm kev ywj pheej;
(3) Kev tsim khoom huv si, tsis muaj kuab paug;
(4) Txo kev nqis peev thiab cov nqi tsim khoom.
Daim ntawv thov: Haum rau kev tsim ntau qhov ntau thiab tsawg ntawm precision castings nrog cov txheej txheem nyuaj, nrog cov hom tsis muaj kev txwv thiab cov khoom siv ntau lawm. Xws li grey cam khwb cia hlau cav casing, siab manganese steel khoov kav, thiab lwm yam.
10, Nruam Casting
Kev nruam txuas ntxiv yog ib txoj hauv kev zoo tshaj plaws uas txuas ntxiv nchuav hlau molten rau hauv cov pwm tshwj xeeb hlau hu ua crystallizer. Lub solidified (crust) casting yog txuas ntxiv rub tawm los ntawm lwm qhov kawg ntawm crystallizer, thiab nws tuaj yeem tau txais castings ntawm txhua qhov ntev lossis qhov ntev.
Technical nta:
(1) Vim yog qhov txias txias ntawm cov hlau, cov siv lead ua yog ntom, cov qauv zoo ib yam, thiab cov khoom siv kho tshuab zoo;
(2) Txuag hlau thiab txhim kho cov txiaj ntsig;
(3) Ua kom yooj yim rau cov txheej txheem, tshem tawm qhov xav tau rau styling thiab lwm yam txheej txheem, yog li txo kev siv zog; Qhov chaw tsim khoom tsim nyog kuj tau txo qis;
(4) Nruam casting ntau lawm yog ib qho yooj yim mus cuag mechanization thiab automation, kev txhim kho ntau lawm efficiency.
Daim ntawv thov: Nruam casting tuaj yeem siv los nrum ntev castings nrog cov duab tsis hloov pauv, xws li ingots, slabs, tuav, kav, thiab lwm yam, xws li steel, hlau, tooj liab alloys, aluminium alloys, magnesium alloys, thiab lwm yam.