Kev nqis peev yog dab tsi?

Peev Casting yog qhov txheej txheem tsim kho kom haum uas tsim cov hlau txuas nrog cov hlau molten rau hauv cov qauv ceramic pwm tsim nyob ib ncig ntawm cov qauv ciab no. Cov txheej txheem ua tiav kev thev taus kom nruj kom nruj li ± 0.005 nti thiab zoo tshaj plaws rau cov khoom sib xyaw ua ke uas yuav tsum muaj qhov nyuaj lossis tshuab tsis yooj yim.

Kev nqis peev Casting Txheej Txheem Ua raws li ntau - qib ua ntu zus uas hloov pauv cov qauv ciab ua tiav rau hauv cov hlau tiav. Txhua theem ua si lub luag haujlwm tseem ceeb hauv kev ua tiav qhov kawg qhov tseeb thiab zoo.

Cov chaw tsim khoom siv tau txhaj tshuaj nchuav lossis cov khoom sib xws rau hauv txhuas tuag los tsim cov lus qhia kiag li ntawm qhov uas xav tau. Cov qauv no tau txuas rau hauv lub teb wAX SPRUE, sib sau ib tsob ntoo {{1} Zoo li kev sib dhos uas tso cai rau ntau qhov chaw kom raug pov rau ntau qhov chaw. Ib tsob ntoo ib txwm muaj peev xwm tuav txhua qhov chaw ntawm 5 txog 100 tus qauv 100 tus qauv nyob ntawm ib feem me me thiab cov nyom.

Cov chaw tsim khoom ntau heev feem ntau tswj cov tsev qiv ntawv ntawm cov tuag uas twb muaj lawm, uas tuaj yeem txo cov hmoov txhuas los ntawm 12-16 lub lis piam rau kev txiav txim rov qab. Cov qauv khoom siv melts ntawm qhov kub ntawm 130-160℃f, zoo hauv qab qhov melting point ntawm cov hlau uas yuav kawg sau cov kab noj hniav.

Cov kws tshaj lij pheej rov qab ua rau quav ciab sib dhos rau hauv cov kab ke ceramic slurry, tom qab ntawd nws lub tsho tiv no nrog cov xuab zeb zoo. Cov txheej txheem no, hu ua "stuccoing," rov ua 5-8 zaug ntau hnub. Txhua txheej yuav tsum qhuav ua ntej daim ntawv thov ua ntej siv cov khoom siv txuas ntxiv (200-270 mesh) rau cov ntaub ntawv zoo thiab tom qab.

Lub plhaub ua tiav mus txog ib tuab ntawm 5 {- 15mm, muab cov hlau poob txaus thiab siab ntawm molten hlau thaum tswj qhov tseeb. Niaj hnub txua automated tshuab nqus tuaj yeem ua cov txheej txheem 500 000 shells ib hnub nyob rau hauv cov chaw siab.

Thaum cov plhaub plhaub pluaj ib zaug, cov neeg ua haujlwm muab nws nyob hauv ib qho chaw ua haujlwm lossis flash rauv uas kub ntawm 200-300℃f yaj tawm cov qauv ciab no. Qhov no "Dewasing" Step nplooj tom qab ib qho hollow ceramity kab kab uas zoo kawg nkaus uas tau ua tiav cov qauv qub geometry.

Lub plhaub ces undergoes tua hluav taws kub ntawm 1500-2000℃f rau 2-4 teev. Tus txheej txheem no ua tiav ob lub hom phiaj: nws hlawv tawm ib qho av dawb thiab cov organic cov ntaub ntawv, thiab nws ntxiv dag zog cov khoom siv sib xyaw los ntawm Sintering. Cov foob pob lub ntsej muag ua pa kom dim pa tawm thaum lub sijhawm hlau pouring, tiv thaiv kev tsis xws luag.

Founderries Rhuav tshem cov peev txheej ua kom kub siab 100}}}}}}}} xyoo 200 degree. Ntau yam ua rau lub chaw ntsuas kub muaj xws li 2750℃f rau hlau, 2100℃{{7} based supalloys, thiab 1400℃F rau txhuas. Cov hlau molten rau hauv cov khoom siv ua ntej ntawm cov ceramic pwm tog yog los ntawm kev sib tsoo, cov hau kev nqus tsev, lossis lub zog centrifugal.

Lub tshuab nqus tsev ua haujlwm, uas ua haujlwm ntawm 10 ^ -2 txog 10 ^ -3 Torr, pab sau cov ntawv nyias nyias thiab txo cov pa porosity. Centrifugal casting siv cov siv siv zog ntawm 60-90 gs, tsav hlau mus rau hauv cov ntsiab lus zoo. Qhov kev xaiv ntawm pouring txoj kev nyob ntawm cov alloy lub fluidity, ib feem nyuaj, thiab ua tau zoo.

Tom qab cov hlau ruaj thiab txias, cov neeg ua haujlwm tsoo lub plhaub ceramic los ntawm cov dav hlau kev co kheej, siab} Lub dav hlau dej siab, lossis tshuaj lom neeg. Tus kheej cov kab tsuag yog tom qab txiav los ntawm sprue uas muaj cov Abrasive log lossis soms band sawm.

Cov ntawv ntau feem ntau yog:

Sib tsoo thiab blasting: Tshem tawm cov npoo rooj vag thiab txhim kho cov qauv saum toj kawg nkaus rau 63- 125 micro-nti

Kev Kho Cua Sov: Kev ntxhov siab relieving, daws annealing, lossis nag lossis daus hardening nyob ntawm Alloy cov tseev kom muaj

Ntaub: Ntxiv cov xov, nruj -}}}}}}}}}}}}} Txoj Kev Zam Qhov, lossis lwm yam uas koj xav tau kev thev siab dhau lub peev xwm

Kev kuaj xyuas: Qhov seem xwm txheej tseeb, x - duab tshav pawv, thiab kev soj ntsuam kho tshuab

Tshaj tawm -} Casting kev ua haujlwm tuaj yeem suav tau rau 30-50% ntawm tag nrho cov nqi them rau hauv cov khoom nyuaj.

Investment Casting

Peev Casting haum cov neeg tshwj xeeb ntau yam ntawm cov hlau thiab alloys, los ntawm txhuas mus rau aluminium mus rau aluminium mus rau txawv txawv supalloys. Kev xaiv cov khoom lag luam yog nyob ntawm ib feem kev ua haujlwm hauv kev ua haujlwm, kev xav tau kho txhua yam, thiab kev txwv.

Carbon thiab qis {{{- alloy ineloces alloy (AISI 1020-1050) Muab cov peev txheej ntawm 60-100 Ksi ntawm tus nqi qis. Stainless hlaus dominate peev Casting kev siv, nrog 17-4 ph, 316, thiab CF8M sawv cev rau ntau lub peev xwm los ntawm ntim. Cov qib no muab cov tshuaj tiv thaiv corrosion, lub zog mus txog 180 ksi tom qab kev kho cua sov, thiab kev pabcuam kub txog 800℃F.

Cuab Yeej Steels zoo li H13 thiab S7 Xa Cov Nqi Nyuaj Siab ntawm 50 {}}}}} {5} {tiv thaiv cov ntawv thov. Kev nqis peev-Cast cuab cov khoom siv hlau ntau zaus hloov cov khoom siv machined hauv kev txhaj tshuaj pwm, tuag casting cuab yeej, thiab txiav cov ntawv thov.

Aluminium peev txheej siv alloys xws li A356.0, A357.0, thiab 201,.} qhov hnyav}. Cov alloys ua tiav qhov kawg tensile muaj zog ntawm 35- 48 ksi nrog elongations ntawm 3-8% nyob rau hauv lub li-cam khwb cia. Kev kho cua sov tuaj yeem nce lub zog rau 55 ksi.

Aerospace cov ntawv thov nyiam txhuas cov kab xev, tsev, thiab manifdolds qhov hnyav txo qis hluav taws xob roj. Ib coulate peev txheej hnyav ua haujlwm 30-40% tsawg dua qhov sib npaug steel sib txawv thaum tuav tau tus cwj pwm sib piv.

Nickel -} Raws supallloys (inconel 718, rene alloys) sawv cev rau tus nqi kawg ntawm kev nqis peev casting cov ntaub ntawv. Cov alloys khaws lub zog ntawm qhov kub tshaj 1800℃f thiab tawm tsam oxidation, corrosion, thiab nkag. Ib Leeg -} Crystal turbine hniav tau nrum los ntawm CMSX-4 lossis cov zoo sib xws ua haujlwm ntawm 21,000℃ntawm 10,000-15,000 rpm.

Cobalt - Raws alloys zoo li stellite muab huab coj tsis kam thiab muaj kev kub ntxhov ntawm cov kub. Kev nqis peev - nrum Cobalt Chrome Cheebtsam ua haujlwm rau kev siv tshuaj kho mob vim yog li kev lag luam li abrasely.

Thaum kev nqis peev casting cov kev txawj nrog cov kev txawj ntse nyuaj thiab cov khoom loj (Mim), hlau txhaj tshuaj me (0.01-4 oz) nrog ntau lawm ntau lawm columes. MIM ua tiav tau txhawb nqa nruj (± 0.3-0.5%) ntawm cov khoom me me tab sis yuav tsum tau txua cov khoom coj txhuas ntawm 12-20 lub lis piam. Investment casting offers more material flexibility and lower tooling costs ($2,000-$15,000 vs $50,000-$150,000 for MIM), making it preferable for medium-volume production runs of 100-50,000 parts annually.

Investment Casting

Peev Casting xa cov txiaj ntsig tshwj xeeb uas ua rau nws xaiv qhov uas xav tau zoo rau ntau txhiab tus neeg siv kev lag luam ntau yam thoob plaws kev siv ntau yam thoob plaws kev siv ntau yam thoob plaws kev siv ntau yam thoob plaws kev siv ntau yam thoob plaws kev siv ntau yam thoob plaws kev siv ntau yam thoob plaws kev siv ntau yam thoob plaws kev siv ntau yam thoob plaws kev siv ntau yam thoob plaws kev siv ntau yam thoob plaws kev siv ntau yam thoob plaws kev siv ntau yam thoob plaws kev siv ntau yam thoob plaws kev siv ntau txhiab leej. Nkag siab cov txiaj ntsig no pab cov tshuab ua kom paub cov kev tsim cov kev txiav txim siab tsim qauv.

Cov txheej txheem tsim cov nqe lus sab hauv, hauv qab, thiab cov phab ntsa nyias nyias uas yuav xav tau ntau txoj haujlwm lossis sib dhos yog tsim los ntawm kev machining lossis forging. Ib qho peev txheej ua peev txheej tuaj yeem sib sau ua ke 5-15 tshuab tshem tawm cov fasteners thiab txo lub rooj sib txoos los ntawm 60-80%.

Tiag {- Lub ntiaj teb rotor hub yav tas los sib sau ua ke los ntawm 23% thiab txiav cov sijhawm los ntawm 160 teev mus rau 12 teev. Tus consolidated tsim kuj tau tshem tawm 94 lub peev xwm xau thiab txhim kho kev ua tsaug los ntawm 40%.

Raws li - nrum deg ua tiav ntawm 125 micro- nti (RA 3.2 μm) feem ntau tshem tawm cov haujlwm thib ob. Qhov no sib piv cov favorably rau xuab zeb casting (500- 1000 micro {} nti) thiab tuag casting (200}} Khov} 300 micro-ntiv tes). Qhov chaw uas yuav tsum ua kom zoo nkauj lossis kua dej-ntws kom ua kom tau txais txiaj ntsig zoo los ntawm kev nqis peev ua cas los ntawm kev lag luam smoothness.

Valve lub cev pov tseg siv cov kev nqis peev ua tiav qhov tseem ceeb pub ncaj qha rau hauv cov tshuab hydraulic uas tsis muaj ntxiv polishing. Lub caij sab hauv du sab hauv txo qhov muaj kev kub thiab lub zog poob los ntawm 15-25% piv rau rougher lwm txoj kev xaiv.

Linear zam ntawm ± 0.005 nti ib nti yog txheem, nrog ua kom muaj kev thev taus mus cuag ± 0.003 nti ntawm qhov tsis {. Qhov tseeb no txo lossis tshem tawm cov khoom siv machining, txo qis ib {}} part tus nqi los ntawm 20-40% nyob rau hauv ntau daim ntawv thov.

Kev tshawb fawb ntawm Aerospace nkhaus qhia kev nqis peev ua tiav tau 87% ntawm qhov ntev tsis pub dhau ± 0.}}}}}}}} Sib npaug sib sau yuav tsum tau txais machining ntawm 18-22 qhov chaw kom ua tiav tib qho kev pom tseeb.

Peev Casting feem ntau ua tiav 85-90% cov khoom siv piv rau 40-60% rau machined cov khoom siv. Qhov no ua tshwj xeeb tshaj plaws nrog cov ntaub ntawv kim xws li titanium ($ 15-30 / lb) lossis npib superalalloys ($ 25-50 / lb). Ib qho kev tiv thaiv titanium aerospace machined los ntawm billet yuav tsim $ 800 hauv seem, thaum lub peev txheej kev xaiv cov khoom lag luam tsuas yog $ 150 hauv cov khoom seem.

Tus txheej txheem kuj ua rau muaj nyias -}}}} pa taws (0.040-0.060 nti) uas txo qhov hnyav hnyav yam tsis muaj zog. Qhov hnyav txo ntawm 25-35% muaj ntau thaum hloov pauv ntawm machined los cam khwb cia tsim qauv.

Tsis zoo li tuag plasting lossis forging, peev Casting yuav tsum muaj cov cuab yeej pheej pheej yig ($ 2,000} $ 15,000 rau ib zaug tuag) nrog txhuas lub sij hawm 4-8 lub lis piam. Qhov no ua rau cov txheej txheem kev lag luam nyiaj txiag rau kev tsim cov khoom ntau lawm los ntawm 25 txog 50,000+ daim ib xyoos ib zaug. Cov chaw tsim khoom tuaj yeem tsim cov khoom muaj txiaj ntsig 35 txoj kab sib xyaw ua ke ib xyoo-ib qho ntau dhau rau tuag casting tab sis ntau dhau rau kev lag luam machining.

Tsim cov hloov pauv yuav tsum tau tsuas yog cov khoom siv tshiab tsis yog kim forging cov cuab yeej lossis machining kho, yooj yim kho iteration thaum lub sij hawm cov khoom tsim. Kev hloov kho cov kev hloov kho tau tuaj yeem ua tiav hauv 2-3 lub lis piam tiv thaiv 12-16 lub lis piam rau kev xaiv lwm yam.

Kev nqis peev Casting ua cov thev naus laus zis ua haujlwm hauv cov haujlwm uas qee qhov kev ua tau zoo, kev ntseeg tau, thiab kev sib luag thiab kev sib luag. Txhua txoj kev lag luam tshwj xeeb ntawm cov txheej txheem.

Lub Aerospace kev lag luam siv kwv yees li 30% ntawm tag nrho cov peev txheej los ntawm tus nqi. Turbine tshuab, vanes, thiab cov txheej txheem nkhaus dominate cov ntawv thov no. Ib qho kev lag luam dav hlau lub cav muaj 400 {{{46 {{{{{5} {Casting Cheebtsam uas raug nqi $ 10,000- $ 50,000 txhua.

Cov qauv txheej txheem zoo li tsaws iav Actuator Housings, davhlau tswj system nkhaus Cov khoom no ua ke ua ke geometry nrog rau kev tiv thaiv nruj, feem ntau ua kev sib koom ua ke cov yam ntxwv uas yuav xav tau cov machining dav dav yog tsim los ntawm lwm txoj kev.

Cov tub rog siv dav hlau tau siv ntau feem pua ntawm kev nqis peev casings, nrog qee cov neeg sib txuas nrog pov tseg thiab cov thav duab hnyav uas yuav hnyav yog lilated cov khoom siv.

Kev siv cov twj paj nruag, orthopedic kev cog lus, thiab cov cuab yeej kho hniav vam khom rau kev nqis peev casting lub peev xwm los tsim biocompible cov duab nrog cov duab nyuaj. Hip thiab pob hauv caug hloov cov khoom siv los ntawm cobalt -}}}}}}} Cov khoom siv tau rau 15-20 xyoo ntawm kev pabcuam.

Ib lub ntsag cov qia hnyav 300-600 grams thiab raug nqi $ 800- $ 2,000 los tsim los ntawm kev nqis peev casting. Qhov sib npaug machined feem yuav raug nqi 2-3 zaug ntau dua thiab tsim cov khoom tseem ceeb pov tseg. Ntau dua 2.5 lab orthopedic kev cog yog peev pov ib xyoos ib xyoos ib zaug hauv Tebchaws Meskas ib leeg.

Kev Kho Hniav Prosisetics Siv peev peev uating los tsim cov choj Kev Cai, ib nrab ntawm cov hniav kev ua hniav kev coj ua, thiab cog hniav. Cov txheej txheem haum siv cov txheej txheem hlau zoo nkauj thiab tsim cov haum haum uas yuav tsum muaj rau ntev- sij hawm kev nplij siab thiab muaj nuj nqi.

Valve lub cev, impellers, thiab cov vaj tse sawv cev rau cov lag luam tseem ceeb. Cov feem no yuav tsum muaj corrosion tsis kam, lub peev xwm siab, thiab feem ntau ua txoj kev sab hauv ntws sab hauv. Kev nqis peev - Cast} Cast}}}}}} 320 Deg Dag Systems (1000℃F +).

Kev siv tshuaj lom neeg ua haujlwm yuav muaj 500- 2,000 kev lag luam-cam khwb cia-cam khwb cia-cam khwb cia-cam khwb cia-cam khwb cia-cam khwb cia-cam khwb cia valve Cheebtsam, nrog rau ib tus neeg cashage. Qhov chaw du sab hauv cov cavitation hauv cov twj thiab txo cov siab poob hauv kev tswj cov roj, txhim kho kev ua haujlwm tau los ntawm 5-12%.

Siab - Kev Siv Cov Ntawv Thov Automotive Siv Siv peev txheej, tso manharchcharger, tso cov manifolds thiab ncua kev ncua. Cov 1 pab pawg ua haujlwm lag luam cov khoom lag luam ntau dua, nrog ib lub tsheb sib tw muaj 150-200 cam khwb cia Cheebtsam hnyav hnyav 30-40 phaus tag nrho.

Turbocharger Turbine Cov Vaj Tse ntawm Inconel 713C withstal cua kub siab tshaj 1800℃f thaum tswj kev ruaj khov. Lub complex scroll geometry ua kom zoo roj, txhim kho lub sijhawm teb teb thiab txo cov cav ntoo cav los ntawm 15-20% piv rau kev xaiv cov khoom sib txuas.

Cov pa roj ua pa rau cov neeg siv hluav taws xob ntau rau yuav luag txhua yam ntawm kev nqis peev casting. Ib qho kev lag luam roj av muaj 8,000-12,000 nrum li cas thiab vanes. Chav turbine nozzles, thiab cov khoom siv valve, thiab tswj cov khoom siv kuj siv cov txheej txheem ntau yam.

Roj thiab roj siv roj ntxiv xws li kev nqis peev - nrum seem, cov twj tso kua mis, thiab drilling} psi) thiab corrosive ib puag ncig. Lub peev xwm los pov siab siab -} alhoob cov ntaub ntawv tsis muaj nyob hauv cov ntawv wrought siv peev xwm tseem ceeb rau kev siv peev txheej rau yav dhau los.

Investment Casting

Engineers tsim chaw rau kev nqis peev casting yuav tsum sib npaug yuav tsum muaj nrog kev tsim kev tsim khoom. Tsim qauv zoo - rau - kev tsim cov nqi txo cov nqi thiab txhim kho qhov zoo.

Tswj cov phab ntsa tuab ntawm 0.060-0.250 nti rau kev ua tau zoo. Thinner seem kev pheej hmoo tsis tiav, thaum cov ntawv tuab tuab tuaj yeem tsim cov virt tej kuab. Thaum tuab hloov pauv yog tsim nyog, kev hloov pauv siv cov roob nqes hav 3: 1 lossis Gentler.

Zam kev ua kom ntse thiab cov npoo, uas tuaj yeem ua rau muaj kev ntxhov siab thiab tawg thaum lub sijhawm sandolification. Qhia kom meej radii ntawm tsawg kawg 0.015 nti ntawm cov ces kaum sab hauv thiab 0.030 ntiv tes ntawm sab nraud fab. Cov radii zoo nkauj kuj tau pab txhawb cov qauv tshem tawm los ntawm tuag thiab txhim kho cov hlau ntws thaum lub sij hawm casting.

Thaum kev nqis peev meting theoretically yuav tsum tsis muaj cov txheej txheem sib xyaw ua ke los ntawm phab ntsa sib txuas los ntawm cov ntawv tso tawm hauv av thiab txo cov tuag hnav. Cov hnab npog tob yuav xav tau 3-5 degrees ntawm cov cua ntsawj ntshab kom ntseeg tau tias ua tiav cov quav ciab tshem thaum txiav tawm.

Linear Qhov ntev: ± 0.005 ntiv tes tauj ib nti yog qauv; ± 0.003 Nti ua tiav nrog kev ua tib zoo ua kom ntev:}} 0.5 iMpro {}} nti (RA 3.2 μm) ua-cam)

Thov kev zam nruj tsuas yog qhov tsim nyog ua haujlwm, raws li txhua qhov yuav tsum muaj cov kev cai ua kom tau txais kev soj ntsuam lub sijhawm thiab raug nqi. Txheeb xyuas qhov tseem ceeb ntawm qhov tseem ceeb yuav tsum muaj cov ntaub ntawv pov thawj thiab tso cai rau kev ua kom muaj kev cia siab rau ntawm tsis yog {1} tseem ceeb.

Peev Casting exsels ntawm kev tsim cov nqe sib txuas sab hauv thiab kab noj hniav uas siv cov coramic ceramic. Cov cores, tau los ntawm cov ntaub ntawv xws li silica lossis alumina, withstand hlau pouring thiab tom qab tshem tawm los ntawm kev co tshuab kev co lossis tshuaj lom neeg.

Tsim cov core geometries nrog phab ntsa txaus (0.080-0.120 ntiv tes tsawg kawg) rau kev ntseeg siab. Muab cov ntawv sau tseg kom txaus (3-7 degrees) los pab txhawb kev tshem tawm ntawm tus tseem ceeb. Cov Cores nyuaj nrog ntau nqe vaj tse tuaj yeem tsim cov chav nyob sab hauv uas yuav tsis yooj yim sua tshuab.

Cov qauv ciab txoj kev hloov pauv tau tso cai rau kev txwv tsis muaj nqis hauv qab cores lossis cov cuab yeej sib luag. Me me qis dua (0.010-0.030 nti nti) feem ntau tuaj yeem haum los ntawm kev hloov cov qauv thaum lub sijhawm tuag. Cov undercuts loj dua yuav tsum tau soluble cores, cov haujlwm thib ob, lossis kev hloov kho.

Thaum lub ntsej muag txiav txim siab kawg gating tsim qauv, engineers yuav tsum txheeb xyuas qhov chaw muaj GEADERRED GATE uas:

Txo cov cim pom ntawm cov chaw pleev tshuaj

Pab txhawb kev qhia cov solidification kom deb ntawm cov yam ntxwv tseem ceeb

Cia kev tshem tawm yooj yim yam tsis muaj kev ua haujlwm

Tham txog kev sib tham txog kev sib tham nrog lub cuab tam thaum lub sijhawm hais tawm kom tsis txhob muaj kev xav tsis thoob thaum ua haujlwm.

Peev Casting Cov nqi sib tw Vary feem ntau ntawm cov kev xaiv, cov khoom siv xaiv, ntau lawm volume, thiab cov kev xav tau zoo. To taub tus nqi tsav tsheb pab kom tsim qauv zoo rau cov qauv tsim qauv.

Wax txhaj tuag sawv cev rau thawj tsis yog {}}}} Txoj Kev Them Rov Qab Los $ 15,000 rau cov kab ke yooj yim nrog ntau cov kab noj hniav. Tuag lub neej feem ntau tshaj li 50,00000,000 cov qauv ciab, amortizing tacting tus nqi ntau lawm sau.

Tuag tsim thiab kev tsim qauv feem ntau yuav tsum muaj 4-8 lub lis piam. Mush Tooting (2-3 lub lis piam) ntxiv 50-100% rau tus nqi tuag. Siv tuag tuag uas twb muaj lawm tuaj yeem tshem tawm cov nqi Toolings tag nrho thaum Geometry tso cai.

Cov khoom siv raw sawv cev rau 25 - 40% ntawm kev siv tus nqi rau cov khoom siv ntau xws li titanium lossis cobalal-chrome. Ib qho stainless hlau casting hnyav li 2 phaus cov nqi kwv yees li $ 20- $ 35 nyob ntawm cov nyom titanium them nqi $ 80- $ 100.

Kev Ua Haujlwm thiab Nyiaj Siv Ua Haujlwm Ntxiv $ 15- $ 40 rau ib lub pov rau cov qauv txheem, nce ntxiv rau $ 50 - $ {}}}} Koj yuav tsum tau ua tiav cov lus tiav, kev tshuaj xyuas, lossis ntawv pov thawj. Kev kho cua sov ntxiv ntxiv $ 5- $ 15 ib feem nyob ntawm cov thermal lub voj voog uas yuav tsum tau ua.

Peev Casting ua kev lag luam kev lag luam tau kev lag luam ntawm kev siv nyiaj txiag tsis muaj li 25 {}}}}}}} seem hloov cov khoom siv ntau ntxiv. Txhaum-txawm tias kev tshawb xyuas piv sib piv cov tshuab luam ntawv yuav tsum xav txog:

Tsawg ntim (25-500 feem): Kev nqis peev casting feem ntau yeej thaum ib feem nyuaj yuav tsum tau $ 50+ ntawm kev ua haujlwm machining

Nruab Nrab Lub Ntim (500-10,000 Xeem): Kev nqis peev Casting muab cov txiaj ntsig zoo ntawm 30-60% rau cov geometries

Cov ntim siab (10, 000+ ntu): Tuag casting lossis Mim tuaj yeem sib tw raug nqi siv tus nqi sib tw raug nqi tau zoo yog tias feem ntau thiab geometry foob cov txheej txheem no

Cov ntaub ntawv kev kawm ntawm lub stainless hlau bracket:

Machined los ntawm Bar Tshuag: $ 125 rau ib feem, $ 62 nyob rau hauv cov khoom pov tseg, 3.5 teev tshuab sijhawm

Peev Xwm Nruag: $ 48 toj ib ntu tom qab amortizing $ 8,000 nyob rau hauv tooling tshaj 1,000 daim, 0.5 teev tag lub sijhawm

Kev txhaum: 100 ntu

Kev nqis peev casting ua pov thawj 38% rau ib chav ntim khoom tshaj li 100 lub sij hawm thaum txo cov khoom noj txhuas los ntawm 12 lub lis piam (rau cov quav ciab (rau cov quav ciab tuag).

Peev Xwm Kev Lag Luam Nrig tau raug pov thawj ua kom muaj kev ruaj ntseg kom ua kom ntseeg tau qhov tseeb, cov khoom siv, thiab puas {}} free kev tsim kho. Kev soj ntsuam kev ntsuas cov nplai nrog kev thov kev txaus siab.

Kev sib koom tes ntsuas lub tshuab (CMMS) Tshawb xyuas qhov ntev tseem ceeb rau kev tsim kom muaj kev tiv thaiv ntawm ± 0.0005 ntiv. Aerospace thiab kho mob cov khoom siv tau txais 100% kev soj ntsuam ntawm cov yam ntxwv tseem ceeb, thaum kev kuaj xyuas cov phiaj xwm (5-10% kev tshuaj xyuas nyob ntawm cov peev txheej).

Kev suav kho qhov muag yog ntsuas qhov tseeb ntawm cov khoom siv ua kom tau zoo thiab kev sib piv geometry, piv rau cov qauv sib dhos nrog kev daws teeb meem ntawm 0.001 nti.

X - ray radorographyTshawb nrhiav sab nrauv tsis xws luag suav nrog shrinkage porosity, suav nrog, thiab tawg. Digital ironidraphy ua tau cov qib rhiab heev tau ntes tsis pom cov khoom me me li 2% ntawm cov khoom tuab. Aerospace cov khoom ua tau txais 100% x - duab tshav petting nrog cov ntaub ntawv zaj duab xis tas mus li.

Fluorescent penetrant kuaj (FPI)qhia tawm saum npoo - breaking tsis pom kev tsis pom kev kom pom kev. Cov txheej txheem kuaj pom cov kab nrib pleb zoo li 0.0001 nti, ua kom muaj kev ncaj ncees rau kev siab siab rau lub siab}} {}} tseem ceeb app.

Ultrasonic kuajNtsuas cov ntaub ntawv suab hauv cov kab tuab uas yog radiveness uas yog radiveness zoo. Phased - array ultrasonics daim ntawv qhia qhov loj me, qhov chaw, thiab kev taw qhia nrog kev daws teeb meem nce 0.010 ntiv taw.

Kuaj cov tuav nrog cov khoom lag luam ntau lawm Cov lus qhia tshwj xeeb feem ntau yuav tsum muaj:

Tensile kuaj: Qhov kawg tensile lub zog, 0.2% tawm lub zog, elongation ntawm so

Kev Ntsuas Hardness: Rockwell lossis brinell hardness pov thawj

Kev Cuam Tshuam: Charpy v - notch rau cov ntawv pov thawj ductility

Qaug Qeeb: Rau cov ntawv thov Aerospace uas yuav tsum muaj ua ntej lub neej

Cov txiaj ntsig yuav tsum ua tau raws cov khoom siv cov ntaub ntawv tshwj xeeb (ASSTM, thiab cov neeg siv khoom lag luam - Cov qauv kev tswj hwm pom tseeb (CPK) ntau dua los yog sib npaug ntawm 1.33 rau cov khoom tseem ceeb.

Kev Ntsuam Xyuas Specttrographic Tshawb Xyuas Kev Tshawb Fawb Txog Alloy muaj pes tsawg leeg rau ± 0.01% rau cov ntsiab tseem ceeb. Txhua qhov kub ntawm cov khoom tau txais cov ntawv pov thawj tshuaj, nrog qee cov ntawv thov uas xav tau tshuaj xyuas ntawm cov khoom lag luam ntau lawm kom ntseeg tau tias cov khoom siv traceability.

Peev Casting siv cov ceramic pwm ua tom qab txhua cov ntaub ntawv sib xyaw, tso cai rau cov khoom siv sib xyaw nrog cov khoom lag luam siab xws li -}} point alloys. Tuag Casting Cov Neeg Ua Haujlwm Reusable Steel muaj tsawg rau txhuas, Xinc, thiab Magnesium Alloys tab sis qis dua ib qho {}} part tus nqi ntawm siab heev. Investment casting excels for complex, low-to-medium volume parts (25-50,000 annually) while die casting suits high-volume production (50,000+ annually) of simpler geometries.

Peev Cigings Ua tiav Treat Taus Kev Ua Lag Luam ntawm ± 0.005 nti ib nti li} ± 0. {} {tsawg kawg nkaus qhov ntev. Machined feem ntau tuav TIV THAIV NURE ± 0.001- 0.002 nti. Rau ntau daim ntawv thov, peev txheej txheem casting raug tshem tawm tshem tawm cov khoom siv tsis zoo xws li ntawm cov kab lag luam txhua hnub, thiab kaw cov chaw mating.

Cov khoom tshiab yuav tsum muaj 8-12 lub lis piam los ntawm kev tsim kev pom zoo rau kev xa khoom ua ntej rau kev xa khoom, suav nrog 4-8 lub lis piam rau kev pleev thiab 4 asthiv rau kev pleev thiab xov. Rov txiav txim siab siv cov cuab yeej txua uas twb muaj lawm nyob rau hauv 2-4 lub lim tiam rau cov qauv khoom thiab 4-6 lub lis piam rau cov kev coj ua tshwj xeeb melting. Cov khoom muaj nuj nqis ntawm cov khoom (5-25 pieces) qee zaum tuaj yeem nrawm rau 4-6 lub lis piam tag nrho siv cov txheej txheem sai sai.

Yuav luag cov peev txheej tshaj tawm Alloys tuaj yeem siv hlua siv siv cov khoom siv cov khoom siv thiab cov txheej txheem tsim nyog. Stainless Hlau Ntxhuav weld yooj yim nrog tig los yog mig cov txheej txheem. Aluminium castings yuav tsum tau ua tib zoo pre- weld tu thiab tshaj tawm kev kho kom sov kom ua tiav lub zog kom sov. Nickel superalloys kev thov npliag kev tswj hwm thiab feem ntau xav tau tshaj tawm {{5 5}} weld kev daws teeb meem. Mechanical koom nrog kev sib koom tes (riveting, volesive bonding) ua haujlwm zoo nrog kev nqis peev cas thiab feem ntau nyiam rau cov ntaub ntawv tsis sib xws.

Thaum ob qho tib si txheej txheem tsim cov khoom siv nyuaj nyuaj, kev lag luam casting thiab cov hlau txhaj tshuaj molding (MIM) nyob hauv cov toj roob hauv pes. Cov engineers feem ntau soj ntsuam ob qho txheej txheem thaum tsim cov khoom siv tshiab.

Hlau txhaj tshuaj molding excels rau me me (feem ntau yog 100 grams) tsim nyob rau hauv tagnrho 10,000 daim ib xyoos ib zaug. Cov txheej txheem sib xyaw zoo cov hmoov hlau nrog polymer binders, txhaj tshuaj moulds qhov sib tov, tom qab ntawd tshem tawm cov binder thiab sinters ib feem ntawm qhov kub. MIM ua tiav tau txhawb kev ua kom nruj (± 0.3-0.5%) rau cov hniav zoo li iav cov hniav, qhov me me, thiab cov phab ntsa nyias.

Kev lag luam siv cov mim rau cov khoom siv uas tuaj yeem yog cov peev txheej hauv cov khoom lag luam Tus ntoo khaub lig taw qhia feem ntau tshwm sim ib ncig ntawm 2 - 4} 4}

Peev Casting kho ntau qhov chaw ntau dua (txog 200 phaus piv rau Mim's 100 thiab muaj cov khoom siv tau yooj yim. Reflective vas xws li titanium, he roj carbon Tool hlaus, thiab qee yam supanloys uas yog kev sib tw rau Mim cov Sintering cov txheej txheem ua pov thawj los ntawm kev nqis peev.

Tus txheej txheem tseem muab cov tshuab ua tau zoo dua nyob rau hauv ntau cov alloys vim cam khwb cia cov qauv kev tsis txaus siab qhov chaw muaj yeej tsis muaj qhov sib txawv. Peev Choice ua tiav 99 {- 100% theoretical ntom thaum mim thaj tsam li no, cuam tshuam rau kev qaug zog thiab lub siab-nruj.

Rau ib daim ntawv thov ib qho kev thov uas xav tau kev tsim txom thiab kev tsim nyog rau txoj kev nruj (Ams cov qauv), kev nqis peev Casting cov txheej txheem pov thawj thiab ntev dua cov ntaub ntawv muab cov txiaj ntsig. Ntau lub nkoj cov khoom siv tshwj xeeb qhia meej meej txog kev nqis peev cas tab sis tsis muaj peev xwm sib npaug mim sib npaug.

Qee cov tuam ntxhab ua ke ob hom thev naus laus zis, siv mim rau me me, high {}} ntu), manifolds, manifolds, tev duab sib xyaw ua ke). Lub hybrid lub tswv yim zoo rau cov nqi tsim khoom hla cov kab khoom uas muaj qhov ntau thiab tsawg.

Tsis ntev los no kev tsim kho hauv MIM Technology Mus txuas ntxiv cov txheej txheem muaj peev xwm, suav nrog ntau qhov ntau thiab tsawg thiab txhim kho ntom ntom ntom. Ib yam li ntawd, kev nqis peev casting tshiab xws li 3D-}} luam tawm cov qauv siv quav ciab thiab simulation software txhim kev sib tw. Tus ciam ntawm cov thev naus laus zis tseem muaj kua, uas yuav tsum tau ua kua, xav tau kev ntsuas rov {}} kev tshuaj xyuas raws li ob txheej txheem evolve.

Peev Casting txuas ntxiv hloov zuj zus mus los ntawm kev nce qib hauv kev ua haujlwm software, kev tsim khoom sib xyaw ua ke, thiab kev txhim kho cov khoom. Cov hauv paus ntsiab lus tsis tau hloov pauv: Hloov cov qauv siv quav ciab rau hauv cov ceramic pwm uas tau tsim cov khoom siv hlau nrog qhov tseeb ntawm qhov tseeb thiab cov khoom lag luam nto. Rau qhov uas yuav tsum tau ua kom muaj kev lag luam, thiab cov khoom siv tawm los ntawm lwm cov txheej txheem tshwm sim los ntawm kev tsim qauv zoo los ntawm kev ua haujlwm tau zoo los ntawm cov qauv ua haujlwm rau cov qauv sib xyaw rau nruab nrab.

Kev nqis peev yog dab tsi?

Kev nqis peev yog dab tsi?

Yuav Ua Li Cas Cov Peev Xwm Casting Txheej Txheem Ua Haujlwm

Qauv Tsim thiab Kev Sib Ntsib

Phab ntsa tsev

Dewaxing thiab tua hluav taws

Hlau Hlau

XOV UA HAUJ LWM

Cov Ntaub Ntawv Tau Tshaj Nrog Kev Lag Luam Casting

Hlau Alloys

Txhuas Alloys

Khoom nyiam tshaj lij

Kev Sib Piv Nrog Hlau Txhaj Moulding

Qhov tseem ceeb rau lwm txoj kev ua lag luam

Complex geometry muaj peev xwm

Superior nto tas

Qhov Tseeb Sab Nraum

Khoom Siv Khoom Siv

Yooj yim ntau lawm

Cov Kev Siv Feem Ntau Thoob Tebchaws Thoob Ntiaj Teb

Aerospace Cheebtsam

Kho Mob thiab Kho Mob Kho Kho

Valve Muaj Hluav Taws Xob Hluav Taws Xob

Automotive thiab sib tw

Zog Kev Txuag Hluav Taws Xob

Kev tsim qauv kev txiav txim siab rau kev ua tau zoo

Phab Ntsa Thickness Thiab Kev Hloov

Qhuav Cov Tshuab

Kev zam txim tshwj xeeb

Coring thiab sab hauv

Undercuts thiab cua ntsawj ntsha - dawb nta

Rooj vag thiab riser

Tus nqi yam thiab kev txiav txim siab kev lag luam

Tooling cov nuj nqis

Ib - part tsim cov nqi ntau lawm

Ntim Mob

Kev Sib Piv Kev Lag Luam

Kev tswj kom zoo thiab kev soj ntsuam txoj kev

Kev soj ntsuam sab nraud

Tsis - Kev Kuaj No

Cov Khoom Siv Khoom Siv Cov Khoom Siv

Tshuaj Muaj Kev Ntsuam Xyuas Kev Ntsuam Xyuas

Cov Lus Nquag Nug

Dab tsi yog qhov sib txawv ntawm kev nqis peev casing thiab tuag casting?

Yuav ua li cas yog peev txheej ua piv rau cov khoom siv machined?

Dab tsi yog cov thawj coj txhuas ua rau kev nqis peev nrum kab?

Yuav siv tau cov khoom siv cas los tau welded lossis koom nrog lwm yam?

Kev sib raug zoo ntawm kev nqis peev casting thiabHlau Txhaj Molding

Thaum Mim muaj cov txiaj ntsig zoo

Qhov chaw peev ua lag luam saib xyuas kev tswj hwm zoo dua qub

Hybrid Yuav Tsum