Wb txiav los ntawm hype. Thaum feem ntau hnov 'tus qauv peev casting', lawv pom qhov tsis zoo, ze-net-puab qhov zoo li tshwm sim los ntawm lub plhaub ceramic. Qhov tseeb yog messier, ntau dua, thiab nyob deb ntawm kev sib koom ua ntej tshaj li ntau tus neeg ua haujlwm CAD xav. Nws tsis yog ib qho zoo nkauj 3D luam ntawv lwm txoj kev; nws yog tus choj ntawm kev tsim lub hom phiaj thiab kev ua tau zoo, thiab tus choj ntawd feem ntau muaj ob peb qhov kev npaj txhij txog.
Prototype Misnomer thiab Early-Striage Value
Hu ua a qauv peev casting twb teem ib txoj kev cia siab. Lo lus prototype qhia ib-tawm, ceev, tej zaum txawm qis fidelity. Tab sis cov txheej txheem nws tus kheej-tsim ib lub wax lossis 3D luam tawm qauv, tsim lub plhaub ceramic, dewaxing, firing, pouring, finishing - yog ib qho txheej txheem tsim khoom me me. Tus nqi tiag tiag tsis yog ua ib feem ceev (SLA yuav yeej nws muaj), tab sis hauv kev ua ib feem uas coj zoo li ib feem ntau lawm. Cov yam ntxwv thermal, cov qauv nplej, cov khoom siv kho tshuab-koj tau lees paub txoj kev tsim khoom nws tus kheej, tsis yog cov duab geometry xwb. Kuv tau pom ntau txoj haujlwm uas cov ntawv luam tawm zoo nkauj tau dhau los kuaj xyuas, tsuas yog thawj zaug peev casting khiav mus ua tsis tiav los ntawm cov teeb meem solidification cov yas tsis tuaj yeem nthuav tawm.
Qhov no yog qhov uas 30-xyoo tsom ntawm lub khw nyiam Qingdao Qiangsenyuan Technology Co., Ltd. (QSY) ua tangible. Nws tsis yog hais txog qhov zoo tshaj plaws 3D tshuab luam ntawv rau cov qauv. Nws yog hais txog lawv cov qauv tsim thiab foundry engineers paub, instinctively, yuav ua li cas ib tug 3 hli phab ntsa nyob rau hauv 316 stainless yuav coj piv rau tib phab ntsa nyob rau hauv ib tug nickel-raws li alloy thaum lub plhaub burnout thiab ncuav. Qhov kev txiav txim ntawd, ci rau hauv cov qauv qauv, txuag lub hli. Lawv lub website, tsi.com, teev lawv cov haujlwm nrog cov alloys tshwj xeeb, thiab qhov ntawd yog qhov tseem ceeb-prototyping hauv Inconel tsis yog hais txog cov khoom siv xwb; nws yog hais txog kev paub yuav ua li cas tweak lub plhaub daim ntawv qhia thiab ncuav kub kom tsis txhob micro-cracks uas tsuas tshwm sim nyob rau hauv machining.
Qhov yuam kev loj tshaj? Kho tus qauv cam khwb cia raws li qhov kawg validation. Nws yog tus txheej txheem validation. Peb siv nws los txheeb xyuas cov tub ntxhais haum, qhov nyiaj shrinkage, kev ua haujlwm zoo. Qee lub sij hawm, tus qauv ua tau zoo tshaj plaws yog qhov uas qhia txog qhov tsis txaus ntseeg hauv kev tsim cov rooj vag - qhov ua tsis tiav uas tiv thaiv kev puas tsuaj ntau lawm. Kuv nco qab txog lub turbine hniav qauv qhov twg cov npoo txuas ntxiv tau pom qhov porosity. Qhov kev daws tsis yog los tweak lub CAD; Nws yog los kho cov slurry viscosity nyob rau hauv thawj lub tsho tiv no ceramic thiab stucco xuab zeb qib. Qhov ntawd yog cov ntaub ntawv koj tsuas tau txais los ntawm kev ua.
Wax vs. Printed Patterns: A Practical Tug-of-War
Kev sib cav ntawm machined siv quav ciab thiab 3D luam tawm (feem ntau SLA los yog cov khoom siv jetting) qauv yog perennial. Wax yog ib txwm muaj, feem ntau pheej yig dua rau cov geometries yooj yim, thiab coj raws nraim li cov khoom siv quav ciab, yog li koj tau txais xoom surprises thaum dewaxing. Tab sis rau txoj hauv kev nyuaj los yog undercuts? Kev luam ntawv yeej. Txawm li cas los xij, ntawm no yog rub: cov qauv luam tawm muaj qhov sib txawv thermal expansion thiab burnout yam ntxwv. Yog tias lub plhaub tsis tau tsim los tswj cov roj evolution hnyav dua thaum hlawv, koj tau txais lub plhaub tawg-los yog phem dua, suav nrog hauv cov hlau.
QSY's dual kev txawj ntse hauv plhaub molding thiab peev casting yog qhov zoo ntawm qhov ntsiag to ntawm no. Plhaub pwm casting siv resin-bonded xuab zeb, sib txawv tsiaj nyaum, tab sis cov khoom siv science ntawm binders thiab refractories hla. Lawv qhov kev paub qhia rau lawv thaum tus qauv luam tawm xav tau lub sijhawm hloov kho lub plhaub tsim-tej zaum lub tsho loj ntxiv lossis ntev dua, qeeb qeeb qeeb. Qhov no tsis yog nyob rau hauv phau ntawv; nws yog nyob rau hauv lub collective nco ntawm cov kws kho mob. Kuv tau xa lawv ib tug complex manifold luam nyob rau hauv ib tug ntau photopolymer, thiab lawv thawj lo lus nug yog hais txog cov resin cov hmoov tshauv. Qhov ntawd yog lo lus nug.
Peb ib zaug sim txiav cov hmoov txhuas los ntawm kev siv lub tshuab luam ntawv siab rau cov khoom siv hlau ductile. Tus qauv zoo tag nrho. Qhov cam khwb cia muaj qhov chaw pitting. Tus neeg ua txhaum? Cov hmoov tshauv seem los ntawm cov ntawv luam tawm cov ntawv khi ua paug rau cov hlau nto. Qhov kho tau rov qab mus rau lub tshuab siv quav ciab rau tus qauv. Nws tau ntxiv ob hnub rau cov qauv coj ua tab sis txuag tau ob lub lis piam rov ua haujlwm thiab tshawb xyuas. Zaj lus qhia: txoj kev nrawm tshaj plaws tsis yog txoj kev ceev tshaj plaws rau tus qauv zoo.
Qhov twg CNC Machining cuam tshuam cov Cast Prototype
Qhov no yog qhov tseem ceeb thiab feem ntau tsis saib xyuas. A qauv peev casting tsis tshua muaj, yog tias puas tau, ib qho tiav ncaj qha los ntawm shakeout. Nws xav tau machining-drillings, tapped qhov, qhov tseem ceeb datum nto tiav lawm. Qhov no yog qhov chaw ntsug kev koom ua ke ntawm ib qho chaw zoo li QSY hloov qhov kev ua si. Muaj CNC machining nyob rau hauv tib lub ru tsev raws li lub foundry tsis yog ib qho yooj yim; nws yog ib lub voj kev tawm tswv yim.
Tus machinist dhau los ua tus neeg soj ntsuam zaum kawg ntawm cov txheej txheem casting. Yog tias lawv niaj hnub rhuav tshem cov cuab yeej ntawm qhov chaw nyuaj hauv thaj chaw tshwj xeeb ntawm txhua tus qauv, nws qhia txog qhov muaj peev xwm txias lossis qhov teeb meem sib cais hauv kev sib koom ua ke. Yog tias cov phab ntsa nyias nyias tawm nrog cov porosity, qhov chaw tsim khoom tuaj yeem kho qhov ntsuas kub lossis qhov rooj hauv tib lub tsev. Kuv tau ua haujlwm nrog cov khw muag khoom uas cov casting thiab machining yog cov chaw sib cais, thiab qhov kev ua si liam uas tshwm sim thaum tus qauv ua tsis tiav hauv machining yog qhov project killer. Thaum nws yog ib pab neeg, kev sib tham yog, Lub hnab tshos ntawm chaw nres tsheb D pom micro-shrinkage. Cia peb ntxiv riser los yog txias.
Lawv ua haujlwm nrog stainless hlau thiab tshwj xeeb alloys ua rau qhov no tseem ceeb dua. Machining cobalt-based alloys yog qhov tshwj xeeb hauv nws tus kheej. Yog tias tus qauv casting muaj kev ntxhov siab los ntawm qhov tsis sib xws, nws tuaj yeem cuam tshuam rau ntawm CNC zeb thawj qhov hnyav txiav. Lawv cov kws kho tshuab paub txog kev sib tw ntawm thawj tsab xov xwm, kom hnov cov ntaub ntawv tus cwj pwm - qhov kev paub tsis meej uas qhia rau sab hauv tsev rau qhov kev rov ua dua tom ntej.
Kev xaiv Alloy: Nws tsis yog ib daim ntawv qhia poob qis xwb
Kev xaiv cov khoom siv rau tus qauv tsis yog hais txog qhov kawg spec. Yog lawm, koj yuav xav tau 17-4PH stainless rau corrosion kuj. Tab sis rau tus qauv, qee zaum nws yog qhov ntse dua los siv kev zam txim ntau dua, yooj yim dua-rau-hloov hlau zoo li 304 stainless los ua pov thawj ntawm cov geometry thiab gating, ces hloov mus rau 17-4PH rau cov qauv kev ua haujlwm. Qhov kev paub ntawm lub foundry dictates qhov no.
QSY cov kws tshaj lij hauv cov nickel thiab cobalt-based alloys yog ib qho piv txwv zoo meej. Cov no yog cov ntaub ntawv phem los nrum. Lawv muaj cov ntsiab lus melting siab, yog cov reactive, thiab muaj kev sib tw nyuaj. Prototyping nyob rau hauv cov no yog ib tug high-stakes kev ua si. Koj tsis cia li dhia mus rau ib tug complex superalloy. Feem ntau, cov txheej txheem yog staged: tej zaum ib tug thawj qauv nyob rau hauv txhuas los xyuas fluidity thiab sau, ces ib tug nyob rau hauv ib tug qis-qib steel mus xyuas shrinkage, ces thaum kawg lub Inconel. Txhua kauj ruam de-risks cov khoom kim heev ncuav. Kuv tau pom tej yaam num sim hla cov kauj ruam kom txuag tau tus nqi, tsuas yog poob $ 10,000 tus nqi ntawm Hastelloy rau ib qho kev tsim tsis raug. Qhov sting no qhia koj ua siab ntev.
Qhov kev xaiv kuj cuam tshuam rau cov cuab yeej-txawm rau cov qauv. Yog tias lub hom phiaj tsim khoom yog rau tsev neeg hlau, kev tsim qauv hauv txhuas vim tias nws pheej yig dua tuaj yeem ua rau yuam kev. Lub shrinkage yog txawv, yog li cov qauv qhov ntev yuav tsum tau kho. Nws yog txoj hauv kev siv tau, tab sis koj yuav tsum paub tias koj tsuas yog siv tau daim ntawv thiab kev ua haujlwm yooj yim, tsis yog kev tsim khoom. Qhov no yog qhov kev txiav txim tseem ceeb hu rau tus kws ua haujlwm caij nyoog ua rau ntxov.
Kev sib txuas lus: Tus Tsis Sau Spec
Cov txheej txheem sophisticated feem ntau ua tsis tau nrog kev sib txuas lus tsis zoo. Xa cov ntaub ntawv STEP thiab cov ntaub ntawv tshwj xeeb rau lub chaw tsim khoom rau a qauv peev casting yog kev caw kom ncua. Dab tsi yog qhov tseem ceeb txaus ntshai? Qhov chaw twg yog li-cam khwb cia, uas yuav tsum tau machined? Puas muaj qhov tshwj xeeb microstructure xav tau? Dab tsi yog qhov tseem ceeb ntawm cov khoom thauj khoom? Cov ntsiab lus no hloov lub khw los ntawm tus neeg txiav txim siab passive mus rau tus khub sib koom tes.
Nrog rau ntau tus khub muaj peev xwm zoo li tus tau piav qhia ntawm tsi.com, koj yuav tsum koom nrog tag nrho lawv cov departments ntxov. Kev tshuaj xyuas sai sai nrog lawv tus kws ua haujlwm casting thiab tus kws kho tshuab laus tuaj yeem chij teeb meem tus tsim qauv yuav nco tau ntau lub hlis. Kuv nco qab xa ib daim duab rau lub cev valve nrog zoo nkauj, nyias reinforcing tav. Lawv cov lus tawm tswv yim yooj yim: Cov tav yuav txias ua ntej thiab tsim kua muag kub ntawm qhov sib txuas. Peb puas tuaj yeem ua rau lawv thinner lossis ntxiv fillets? Peb ntxiv fillets. Tus qauv yog suab. Qhov ntawd yog qhov zais ROI ntawm kev paub.
Qhov kawg xav yog qhov no: qauv peev casting yog kev sib tham. Nws yog ib qho kev sib tham, hlau sib tham ntawm koj tus qauv tsim thiab cov cai ntawm physics thiab metallurgy. Lub hom phiaj tsis yog thawj tsab xov xwm zoo meej. Lub hom phiaj yog ib tsab xov xwm uas qhia koj raws nraim li cas koj yuav tsum tau hloov mus ua qhov thib kaum, qhov puas, thiab txhiab tsab xov xwm zoo meej. Nws yog qhov kev xav tau txais nws txhais tes qias neeg. Thiab nrhiav ib lub khw uas hais cov lus ntawd - dhau kaum xyoo ntawm lub plhaub tsev, nchuav, thiab nti ua - yog qhov luv luv.
