Poob ciab casting, los yogpeev casting, yog ib txoj hauv kev zoo tshaj plaws los ua cov hlau siv hauv kev tsim khoom niaj hnub no thiab tuaj yeem tsim cov nyom, ze rau -net- cov khoom zoo nkauj nrog qhov tshwj xeeb nto polishing. Tab sis thaum kawg, qhov tshwm sim yog nyob ntawm qhov uas tau nchuav. Cov yam ntxwv xws li fluidity, lub zog, shrinkage tus cwj pwm, thiab corrosion kuj cuam tshuam qhov tseeb, durability, thiab nqi. Hauv tsab xov xwm no, peb saib seb cov khoom zoo li cas cuam tshuam cov txiaj ntsig hauv kev ploj ploj - thiab yuav ua li casWelongpab cov neeg yuav khoom xaiv qhov zoo tshaj plaws alloy.
Yam khoom twg tseem ceeb tshaj plaws hauv Poob Wax Casting?
Chemical Composition thiab Purity
Cov tshuaj muaj pes tsawg leeg yog tus yuam sij rau txhua qhov kev ua tau zoo, raws li cov khoom xws li carbon, chromium, npib tsib xee, thiab molybdenum txhais cov cwj pwm yaj, lub zog, thiab kev tiv thaiv corrosion. Txawm li cas los xij, kab impurities tuaj yeem ua rau muaj kev cuam tshuam los yog porosity. Nyob rau hauv poob ciab casting, txhua lub tshav kub yog tshuaj ntsuam xyuas los xyuas kom meej cov hlau yog zoo meej rau specification, muab cov neeg siv kev ntseeg siab nyob rau hauv zoo ib yam, repeatable zoo.
Melting Point thiab Pouring Kub
Cov txheej txheem wax ploj ploj yog qhov tshwj xeeb yog qhov kub thiab txias- tshwj xeeb, thiab txhua lub alloy muaj qhov kub thiab txias qhov rais uas nws nchuav kom raug. Cov hlau uas txias dhau lawm ua ntej nws sau cov ntsiab lus zoo. Ib qho overheated melts puas lub plhaub ceramic thiab roughens saum npoo. Yog li kev paub txog cov foundries kho lawv qhov kub thiab txias rau txhua lub alloy kom muaj puv puv thiab ci ntsa iab, huv si li - nrum tiav.
Microstructure thiab Grain Refinement
Cov qauv nplej uas nws nkaum hauv yog dab tsi tswj lub zog, ductility, thiab qaug zog lub neej ntawm casting. Nyob rau hauv poob ciab casting, lub pace ntawm txias thiab cov hlau chemistry txiav txim seb cov nplej yuav ntxhib los yog nyob twj ywm zoo thiab homogeneous. Tswj lub plhaub preheating thiab tswj solidification yog microstructure kev ua tau zoo uas yog enduring, txij li finer nplej txhais tau tias siab dua toughness thiab kwv yees machining.
Lub zog thiab Fluidity cuam tshuam li cas Poob Wax Casting Results?
Fluidity thiab nyias -Phaub Sau
Fluidity yog qhov ntsuas ntawm qhov ntws ntawm cov hlau molten ua ntej nws hardens thiab yog tus yuam sij rau kev tsim kom yooj yim hauv ploj -wax casting. Cov phab ntsa nyias nyias, cov npoo ntse ntse, thiab cov kab sib txuas sab hauv yog muaj cov dawb - ntws cov alloys uas sib tw txoj hauv kev tsuas yog tsim tsis tau. Fluidity cov ntaub ntawv tso cai rau cov engineers nce geometrical complexity nrog kev ntseeg siab, tsis muaj kev phom sij ntawm misruns thiab ploj nta.
Solidification Strength thiab Crack Resistance
Thaum lub sij hawm tus txheej txheem ntawm solidifying, cov hlau mus los ntawm ib tug ilv semi{0}} cov khoom theem uas tsis muaj zog thiab nws yog heev kub ripping. Hauvploj wax casting, alloys nrog loj freezing ntau yam yog ntau raug rau qhov no, tshwj xeeb tshaj yog nyob rau hauv ib feem ntawm tsis sib npaug thickness. Alloys nrog nqaim solidification ranges thiab du phab ntsa hloov ua rau cov foundries tsim suab, tawg - dawb qhov chaw.
Mechanical Strength hauv Kev Pabcuam Kawg
Lub zog ntawm qhov ua tiav alloy txiav txim siab qhov chaw pabcuam ntawm lub casting. Poob ciab casting feem ntau tsim cov qauv hlau, duplex stainless hlau, thiab npib tsib xee superalloys uas dais zoo heev loads, siab, thiab kub. Cov kws tshaj lij qhia nws rau lub twj tso kua mis impellers, lub cev lub cev, thiab cov turbine qhov chaw uas yuav tsum ua haujlwm tsis raug. Cov txheej txheem ua kom tag nrho lub zog alloy thaum khaws cov ntsiab lus meej.
Yuav ua li cas Shrinkage thiab Thermal Properties Influence Casting Accuracy?
Solidification Shrinkage Kev them nyiaj yug
Tag nrho cov hlau cog lus los ntawm kwv yees li ob mus rau plaub feem pua ntawm cov ntim thaum txias los ntawm cov kua rau cov khoom. Sab laug unmanaged nyob rau hauv poob ciab casting, no shrinkage tsim undersized nta, dab dej cim, thiab sab hauv voids. Cov kws tsim txuj ci tau txais txiaj ntsig los ntawm cov qauv loj dua, cov tshuab pub mis engineering, thiab khiav cov kev sib tw sib tw uas kwv yees kev cog lus ua ntej thawj zaug.
Thermal conductivity thiab txias cwj pwm
Thermal conductivity tswj tau sai npaum li cas tshav kub tawm ntawm cov hlau thiab lub plhaub, shaping ob qho tib si qauv thiab raug nyob rau hauv poob ciab casting. Fast-ua cov alloys ua kom zoo nrog cov nplej zoo tab sis cov gradients ntxhab, thaum cov hlau qeeb qeeb txias sib npaug tsis tau coarsen. Sib piv cov cwj pwm alloy nrog lub plhaub preheat kub cia cov foundries sib npaug soundness, zog, thiab seem fidelity.
Thermal Expansion ntawm Wax, Plhaub, thiab Alloy
Dimensional raug nyob rau hauvploj wax castingnyob ntawm peb cov ntaub ntawv uas txhua qhov nthuav dav nrog cua sov: cov qauv siv quav ciab, lub plhaub ceramic, thiab cov hlau nws tus kheej. Wax swells thaum lub plhaub tsev, lub plhaub loj hlob thaum lub sij hawm burnout, thiab cov hlau shrinks ntawm txias. Kev ntsuas thiab them nyiaj rau txhua qhov kev nthuav dav coefficient tso cai rau cov chaw tsim khoom kom tuav nruj nruj kom tsis tu ncua.
Lub luag haujlwm dab tsi ua Corrosion thiab hnav tsis kam ua si hauv kev xaiv Alloy?
Corrosion Resistance nyob rau hauv Aggressive Media
Ntau cov castings ua hauj lwm hauv cov dej ntsev, kua qaub, los yog cov pa hluav taws kub qhov twg corrosion maj mam noj cov hlau xyoo dhau los. Rau corrosion-cov alloys tiv taus xws li 316L thiab duplex stainless hlau, qhov poob -wax casting ua haujlwm zoo. Nrog rau cov hlau no, koj tau txais kev sib tw zoo li - nrum nto nrog ob peb qhov chaw rau kev tawm tsam pib. Cov ntsiab lus chromium, npib tsib xee, thiab molybdenum yog haum rau qhov chaw ua haujlwm zoo.
Hnav Resistance thiab Surface Hardness
Hnav tsis kam yog qhov kev txiav txim siab hauv kev txiav txim siab seb qhov chaw swb, sib tsoo, lossis tuav cov slurries abrasive. Poob ciab casting yog tsim rau hardenable steels, siab -chromium irons, thiab carbide- nplua nuj alloys thiab reproduces hnav nto kom raug kom muaj me ntsis ua hauj lwm tiav. Txij li thaum nyob ze -net- cov duab precision khaws cov txheej txheem nyuaj hauv qhov chaw uas lawv xav tau,cam khwb cia qhov chawfeem ntau muaj sia nyob ntev dua li lawv cov neeg sib tw ua los ntawm cov txheej txheem tsawg dua.
Sib npaug Performance, Nqi, thiab Machinability
Qhov kev xaiv ntawm cov hlau yog qhov kev sib haum xeeb tiag tiag ntawm kev ua tau zoo, tus nqi, thiab kev tsim khoom. Cov kab txawv superalloy feem ntau yuav raug nqi ntau zaus ntawm tus nqi ntawm cov qib stainless uas twb muaj ntau tshaj li qhov tsim nyog rau kev pabcuam.Welongengineers pab buyers nyob rau hauv cov roj drilling, aerospace, kev kho mob, thiab automotive industries xaiv alloys uas ua tau raws li cov qauv thiab tswj kom poob ciab casting economics txaus siab.
Xaus
Thaum kawg, nws yog cov khoom zoo, piv txwv li, chemistry, fluidity, lub zog, shrinkage, thiab corrosion cwj pwm, uas txhais tau hais tias ib tugPoob siv quav ciab castingyog tsim rau kev kos duab, siab ntev, thiab kev pabcuam. Txij xyoo 2001,Welongtau pab ntau lub teb chaws kev lag luam kev lag luam, roj drilling, aerospace, thiab siab -cov tuam txhab kho mob kawg hauv kev tuav cov xwm txheej no los ntawm kev tsim khoom, kev saib xyuas, thiab ISO 9001: 2015-tsim kev tswj xyuas zoo. Nrog kev pab cuam hauv AutoCAD, Pro / Engineer, thiab SolidWorks, thiab cov khoom muag rau ntau tshaj 100 tus neeg siv khoom thoob ntiaj teb, Welong txhais cov ntaub ntawv tshawb fawb rau cov khoom siv txhim khu kev qha. Txuas nrog peb tam sim no.
FAQ
Q1: Cov ntaub ntawv dab tsi tuaj yeem raug pov nrog cov txheej txheem wax ploj?
A: Cov kev xaiv feem ntau suav nrog 304 thiab 316L stainless hlau, 17-4PH, carbon thiab alloy steels, nickel superalloys, cobalt alloys, thiab titanium, txhua qhov sib npaug rau nws qhov chaw pabcuam.
Q2: Yuav ua li cas dimensionally yog poob ciab casting?
A: Feem ntau kam rau ua txog ± 0.1 hli rau 25 hli. Kev simulation-tsav shrinkage them nyiaj thiab tswj lub plhaub preheating txhim kho qhov tseeb ntxiv.
Q3: Welong puas tuaj yeem tsim los ntawm kuv cov duab kos lossis cov qauv?
A: Yog. Welong tsim los ntawm cov duab kos thiab cov qauv, thiab nws lub tuam tsev engineering kuj tuaj yeem tsim cov duab kos siv AutoCAD, Pro / Engineer, thiab SolidWorks.
Q4: Cov kev lag luam twg Welong ua haujlwm?
A: Welong muab cov neeg siv khoom hauv kev lag luam thoob ntiaj teb kev lag luam, roj drilling, aerospace, siab -kawg kho mob, thiab kev lag luam tsheb thoob plaws ntau tshaj li kaum lub teb chaws.
Q5: Welong lav zoo li cas?
A: Welong ua haujlwm raws li ISO 9001: 2015, muab kev txhim kho thiab kev tswj hwm tus neeg muag khoom, kev saib xyuas kev yuav khoom, thiab hauv -Cov kev pabcuam hauv Suav teb.
Pib Koj Qhov Poob Wax Casting Project nrog Welong Hnub no
Xaiv cov hlau zoo yog thawj kauj ruam mus rau qhov tsis zooPoob ciab casting; xaiv tus khub zoo yog qhov thib ob. Founded hauv 2001,Welongyog tus kws tshaj lij thoob ntiaj teb kev sib koom ua ke cov khoom siv sib txuas muab kev pabcuam tsom mus raucustomized muaj hlau khoom. Xa koj cov duab kos lossis cov qauv mus raumetal@welongpost.comhnub no, thiab peb cov engineers yuav teb nrog cov lus pom zoo, DFM tawm tswv yim, thiab cov lus sib tw. Los ntawm UK thiab Lub Tebchaws Yelemees mus rau Tebchaws Meskas thiab Australia, cia Welong txhawb koj txoj kev lag luam nrog cov khoom siv zoo tshaj plaws hauv Suav teb.
Cov ntaub ntawv
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2. Beeley, PR Foundry Technology. 2nd ed., Butterworth-Heinemann, 2001.
3. ASM International. ASM Phau Ntawv Qhia, Volume 15: Casting. ASM International, 2008.
4. Pattnaik, S., Karunakar, DB, thiab Jha, PK "Txoj Kev Txhim Kho hauv Kev Lag Luam Casting - Kev Ntsuam Xyuas." Phau ntawv Journal of Materials Processing Technology, vol. 212, no. 11, 2012, pp. 2331–2347.
5. Cheah, CM, Chua, CK, Lee, CW, Feng, C., thiab Totong, K. "Rapid Prototyping and Tooling Techniques: A Review of Applications for Rapid Investment Casting." The International Journal of Advanced Manufacturing Technology, vol. 25, 2005, pp. 308–320.
6. Horton, RA "Investment Casting." Metals Handbook, 9th ed., vol . 15, ASM International, 1988.
