Koj hnov 'poob ciab peev casting' thiab cov neeg feem coob, txawm tias qee tus hauv kev lag luam, daim duab no flawless, yuav luag cov txheej txheem zoo nkauj uas koj nchuav hlau rau hauv lub plhaub ceramic thiab tau txais ib feem zoo meej. Qhov ntawd yog daim ntawv qhia version. Qhov tseeb, niaj hnub sib tsoo ntawm nws, yog ib qho kev sib tham tas li nrog cov khoom sib txawv - siv quav ciab, slurry viscosity, stucco grain loj, dewaxing txoj kev, preheat kub. Nws yog qhov tsawg dua ntawm kev ua raws li daim ntawv qhia zoo meej thiab ntau ntxiv txog kev paub txog lub pob qhov twg los tig thaum cov av noo los yog ib pawg tshiab ntawm binder ua. Qhov 'poob' ib feem tsis yog hais txog qhov ploj lawm xwb; nws yog hais txog ntau teev ntawm cov txheej txheem tweaking uas yeej tsis ua rau cov ntawv spec.
Lub Foundation: Nws Txhua Yam Pib (thiab tuaj yeem xaus) nrog tus qauv
Txhua leej txhua tus obsesses hla cov hlau, tab sis qhov tseeb tswj taw tes yog tus qauv siv quav ciab. Peb tau xav tias kev txhaj tshuaj ciab yuav ua li cas, tsuav nws puv lub pwm. yuam kev loj. Ib qho qauv nrog kev ntxhov siab sab hauv lossis me ntsis shrinkage distortion yuav rov ua dua qhov tsis ncaj ncees los ntawm txhua kauj ruam tom ntej, xaus raws li kev sib tsoo nrog qhov ntev drift tsis muaj nyiaj ntawm machining tuaj yeem kho tag nrho. Kuv nco qab ib pawg ntawm lub cev valve peb tau khiav mus rau tus neeg siv khoom, qhov twg cov qauv zoo li zoo meej rau lub qhov muag. Tab sis thaum sib dhos, cov chaw nres nkoj yuav tsis sib haum. Tus neeg ua txhaum? Cov khoom siv quav ciab yog mos heev rau peb chav tswj kev nyab xeeb lub lim tiam ntawd; cov qauv tau slumped microscopically nyob rau hauv lawv tus kheej qhov hnyav ntawm tsob ntoo. Tag nrho cov ncuav yog seem. Tam sim no, peb fanatical txog cov qauv tshuaj xyuas, siv kev sib koom tes ntsuas ntawm cov qauv rau cov hauj lwm tseem ceeb, tsis yog qhov kawg casting.
Kev sib dhos ntawm cov ntoo siv quav ciab yog lwm qhov kev kos duab masquerading raws li tus txheej txheem. Nws tsis yog tsuas yog lo qhov chaw ntawm lub sprue. Lub rooj vag tsim - cov kaum sab xis, cov ntsiab lus sib txuas, txoj kab uas hla - coj cov hlau ntws thiab khov kho. Tau txais nws tsis ncaj ncees lawm, thiab koj qhia txog kev kub ntxhov los yog tsim cov pob kub uas ua rau cov porosity shrinkage. Peb kawm siv simulation software tsis yog ib tug crutch, tab sis raws li ib tug pib taw tes rau kev sib tham. Lub software yuav qhia txog kev teeb tsa, tab sis peb cov neeg hauv pem teb, nrog rau xyoo ntawm qhov muag-pob pob tawg cov qauv hauv cov plhaub tawg, feem ntau kho cov ces kaum raws li qhov slurry ntws tawm ntawm ib qho kev sib koom ua ke. Qhov kev sib koom tes ntawm kev tawm tswv yim voj yog irreplaceable.
Thiab ces muaj wax nws tus kheej. Reclaiming thiab reusing wax yog tus qauv rau tus nqi, tab sis qhov degradation ntawm polymer chains tom qab ntau lub voj voog hloov nws cov khoom. Nws dhau los ua nkig, cuam tshuam rau saum npoo. Ntawm peb qhov chaw, peb saib xyuas cov dej ntws ntsuas ntawm cov khoom siv rov ua dua tshiab ntawm kev ntseeg. Kev sib xyaw cov nkauj xwb thiab rov qab siv quav ciab los tsoo lub qhov rais ua haujlwm tshwj xeeb yog ib txoj haujlwm niaj hnub tab sis tseem ceeb heev. Nws yog ib qho ntawm cov ntsiab lus tsis txaus ntseeg uas cais qhov zoo ib yam los ntawm cov txiaj ntsig tsis raug.
Lub Tsev Plhaub: Ib Txheej-los-Txheej Sib Ntaus
Tsim lub plhaub ceramic yog qhov uas cov txheej txheem khwv tau nws lub npe 'kev nqis peev'. Koj tab tom nqis peev sijhawm thiab cov khoom siv rau hauv qhov tsis zoo uas yuav tsum tau tiv thaiv thermal shock. Lub tsho loj tshaj plaws yog txhua yam. Nws yog lub interface uas captures tus qauv nto nthuav dav. Peb siv zircon-raws li slurry rau feem ntau steel thiab alloy ua hauj lwm-nws cov qauv zoo lis muab ib tug smoother 'raws li-cam khwb cia' tiav. Tab sis lub viscosity yuav tsum tau soj ntsuam tas li, kho rau qhov kub thiab txias. Cov tuab tuab heev, thiab koj tau txais txheej txheej tsim hauv cov yam ntxwv zoo; nyias nyias, thiab lub plhaub tsis muaj zog ntsuab.
Cov txheej txheem stuccoing zoo li yooj yim: poob, ntws, xuab zeb. Tab sis kev xaiv ntawm cov khoom siv stucco thiab grain loj rau txhua txheej yog cov tswv yim. Thawj lub tsho tiv no yuav tau txais 80-mesh zircon xuab zeb kom rov ua kom nthuav dav. Cov khaubncaws sab nraud povtseg yuav siv coarser alumina-silicate cov ntaub ntawv kom zoo dua inter-layer bonding thiab permeability. Kuv tau pom cov plhaub ua tsis tiav hauv dewaxing autoclave vim tias kev hloov pauv ntawm cov qib stucco tau nrawm dhau, tsim kom muaj kev ntxhov siab. Nws tawg zoo li lub qe. Tam sim no, peb muaj lub sijhawm kawm tiav stucco sau tseg, tab sis tus kws tshaj lij tseem muaj kev txiav txim siab ntxiv ib qho ntxiv nruab nrab-lub tsho dip yog tias lub plhaub ntawm ib qho tshwj xeeb ntawm tsob ntoo zoo li xav tias.
Kev ziab ntawm cov tsho tiv no yog lub sijhawm tiag tiag-lub dab dej. Rushing nws yog qhov feem ntau pitfall. Kev ziab kom qhuav tsis txaus ua rau cov dej noo, uas tig mus rau chav thaum dewaxing thiab tshuab lub plhaub sib nrug ntawm sab hauv. Peb tau tsiv mus rau chav tswj cov av noo, tab sis txawm tias tom qab ntawd, huab cua nyob ib puag ncig tsob ntoo ntom ntom tsis sib xws. Peb tig tsob ntoo manually ntawm lub voj voog-ib qho kev daws teeb meem rau cov teeb meem siab. Tsis muaj automation uas tseem tuaj yeem rov ua dua qhov kev xyaum kais ntawm lub pob tw ntawm lub plhaub kom mloog rau qhov tshwj xeeb, hollow dryness.
Dewaxing & Firing: Lub ntsiab lus tsis rov qab los
Dewaxing yog qhov kev ua phem ntawm cov kab noj hniav. Peb siv high-pressure chav autoclaves. Qhov tseem ceeb yog ceev-ramp lub siab ceev kom yaj lub nto wax tam sim ntawd thiab tsim ib tug burst siab uas thawb lub bulk ntawm cov quav ciab tawm ntawm lub sprue. qeeb heev, thiab cov quav ciab nthuav tawm thermally, tawg lub plhaub. Tab sis muaj qhov sib npaug. Rau cov qauv loj, muaj zog, peb qee zaum tho qhov qhov hauv qhov chaw tsis muaj qhov tseem ceeb los tiv thaiv kev tsim siab. Nws yog ib qho kev hloov kho me me rau cov qauv siv quav ciab uas txuag ntau txhiab hauv plhaub poob.
Tom qab dewaxing, koj nyob nraum sab laug nrog ib tug tsis yooj yim plhaub tag nrho ntawm residual wax tshauv. Lub voj voog hluav taws kub hnyiab qhov no tawm thiab sinters cov ceramic rau hauv lub zog, monolithic pwm. Qhov ntsuas kub ntawm qhov ntsuas kub yog qhov tseem ceeb. nrawm dhau, thiab cov dej seem seem lossis cov volatiles tuaj yeem ua rau muaj kev puas tsuaj loj ntawm lub plhaub. Peb tua hluav taws mus txog 1000 ° C, tab sis lub sijhawm tuav yog qhov tseem ceeb raws li qhov kub siab tshaj plaws. Nws yog hais txog kev ua tiav tag nrho cov ceramic hloov dua siab tshiab thiab thermal equilibrium. Lub plhaub raug rho tawm haujlwm zoo muaj lub nplhaib tshwj xeeb rau nws thaum tapping me ntsis - lub suab nrov nrov txhais tau hais tias muaj teeb meem, feem ntau tsis txaus burnout, uas yuav ua rau muaj roj tsis xws luag hauv qhov casting.
Tom qab ntawd lub plhaub raug rho tawm mus rau qhov chaw nchuav. Lub sijhawm nruab nrab ntawm lub cub tawg thiab cov hlau nchuav yog kev sib tw. Cia lub plhaub txias ntau dhau, thiab koj yuav muaj kev pheej hmoo pos huab khiav los yog txias kaw vim cov hlau pem hauv ntej solidifies ntxov ntxov. Peb tsom mus ncuav nrog lub plhaub ntawm 800-1000 ° C, nyob ntawm seb cov hlau. Qhov no yuav tsum muaj kev sib koom tes siab phem ntawm cov neeg ua haujlwm hauv lub tshuab hluav taws xob thiab pab pawg peev casting. Tsis muaj chaw rau ncua.
Lub Pour & Knock-Out: Qhov Chaw Theory ntsib hauv pem teb
Pouring zoo li ua yeeb yam, tab sis los ntawm qhov no, feem ntau ntawm txoj hmoo ntawm lub casting twb kaw lawm. Lub hom phiaj tseem ceeb tam sim no yog sau cov pwm sai thiab huv si. Peb siv argon shielding rau reactive alloys zoo li nickel-raws li sawv daws yuav tiv thaiv oxidation. Lub rooj vag system tsim lub lis piam ua ntej thaum lub sij hawm sib sau ua ke tam sim no ua pov thawj nws tsim nyog. Koj saib cov hlau nce rau hauv lub khob ncuav, vam tias nws yog tus du, laminar ntws yam tsis muaj vortexing uas tuaj yeem kos hauv slag.
Tom qab solidification thiab txias, nws yog lub sij hawm knock-out. Qhov no yog cathartic tab sis pheej hmoo ua haujlwm. Lub plhaub yog nkig tab sis tuaj yeem ua rau xav tsis thoob tenacious. Peb siv cov tshuab vibrating thiab qee zaum pneumatic hammers rau loj castings. Lub hom phiaj yog kom tshem tawm lub plhaub yam tsis muaj kev puas tsuaj rau cov khoom tawg yooj yim lossis muab kev ntxhov siab rau ntawm cov ntu nyias. Rau qhov nyuaj sab hauv geometries, ceramic core tshem tawm yog qhov kev sib tw tom ntej. Qee qhov kev daws teeb meem dej qab zib ua haujlwm, tab sis rau cov cores intricate nyob rau hauv alloy steel qhov chaw, peb feem ntau mus rau high-pressure dej jetting los yog txawm ceev thermal shock txoj kev. Nws yog ib qho kev ntxhov siab, ua haujlwm hnyav uas ua rau koj nco txog qhov no tsis yog txheej txheem huv chav.
Qhov koj tshuav yog ib tsob ntoo tawv tawv, sprue, rooj vag, thiab tag nrho. Thawj qhov kev kuaj pom tshwm sim ntawm no. Tag nrho cov tsis xws luag xws li loj shrinkage, tawg, los yog tsis tiav filling yog pom tseeb. Tab sis qhov teeb meem hloov maj mam ntau - qhov chaw pinholes los ntawm lub plhaub cov tshuaj tiv thaiv, me ntsis distortion - yuav tsum tau kawm qhov muag. Peb mam li feem ntau txiav tawm ib tug qauv casting los ntawm tsob ntoo kom ceev txiav-thiab-etch los xyuas rau subsurface porosity ua ntej cog rau tag nrho txiav thiab tiav.
Tiav & Lub Ntiaj Teb Kev Sib Raug Zoo
Cutoff, feem ntau nrog abrasive log los yog band saws, yog qhov pib ntawm kev ua tiav. Tom qab ntawd los sib tsoo kom tshem tawm rooj vag stubs. Qhov no yog qhov uas qhov kam rau ua thaum kawg pom tau - lossis tsis. Cov txheej txheem tsim tau zoo tso cov khoom me me rau kev ntxuav. Peb tsom rau ze-net-zoo, tab sis qhov kev nyab xeeb ntawm 0.5-1mm yog tus qauv rau feem ntau qhov ntev kom suav rau kev hloov pauv me me. Rau ib lub tuam txhab xws li Qingdao Qiangsenyuan Technology Co., Ltd. (QSY), nrog nws integrated CNC machining muaj peev xwm, qhov no yog qhov txuas tseem ceeb. Lub casting yog tsim nrog machining datums hauv siab. Lub qhov rooj sab hauv tsim cov casting uas tsis yog suab geometrically xwb, tab sis kuj muaj cov phab ntsa zoo ib yam rau cov tshuab ua haujlwm nrog. Nws yog no ntsug kev koom ua ke los ntawm plhaub molding thiab peev casting rau hauv precision machining uas cia peb lis cov ntaub ntawv los ntawm ductile nrum hlau mus npau suav phem-rau-tshuab cobalt-based alloys thiab xa cov khoom tiav.
Kev tshuaj xyuas zaum kawg yog qhov twg tag nrho cov txheej txheem tswj tau them tawm. Dimensional checks, dye penetrant testing for defects defects, X-ray rau kev ncaj ncees sab hauv. Rau high-spec Cheebtsam nyob rau hauv tshwj xeeb alloys, peb yuav ua tag nrho cov ntaub ntawv pov thawj, tracing lub tshav kub ntawm lub ingot rov qab los ntawm tag nrho cov txheej txheem. Nws yog tag nrho, tab sis nws yog tib txoj hauv kev los lav kev ua haujlwm hauv cov ntawv thov tseem ceeb.
Saib rov qab, poob ciab peev casting yog ib tug saw ntawm ib puas me me txheej txheem. Lub zog ntawm cov saw hlau tsis yog nyob rau hauv ib qho kev sib txuas zoo tag nrho, tab sis hauv kev nkag siab tias txhua qhov txuas cuam tshuam li cas rau lwm qhov. Nws yog hais txog kev cia siab tias yuav ua li cas qhov kev hloov pauv hauv kev txhaj tshuaj wax yuav cuam tshuam rau lub plhaub ziab lub sij hawm rau ib ntu tuab, lossis qhov kev xaiv ntawm ib qho stainless hlau qib cuam tshuam rau lub plhaub preheat kub xav tau rau kev huv huv. Nws yog ib qho holistic, qee zaum intuitive xyaum ua los ntawm lub hauv paus ntawm kev tswj cov kev hloov pauv thiab kev nyuaj-yeej. Qhov ntawd yog dab tsi peb caug xyoo hauv kev lag luam no, zoo li ntawm QSY, txhais tau tias - tsis yog ua cov kauj ruam xwb, tab sis paub qhov tob, feem ntau tsis hais txog kev sib txuas ntawm lawv. Koj tuaj yeem pom qhov pom tob dua ntawm lawv txoj hauv kev rau kev sib xyaw ua ke thiab machining ntawm lawv qhov chaw, https://www.tsingtaocnc.com, uas qhia txog qhov kev coj ua, qhov kawg-rau-kawg lub tswv yim.
