Cov hlau 3D luam ntawv tuaj yeem ua tiav cov khoom sib xws?

Ib, Qhov teeb meem tseem ceeb ntawm kev sib koom ua ke yog "kev tsis sib haum xeeb" ntawm qhov chaw kuaj thiab lub rooj cob qhia.
Lub hauv paus ntsiab lus ntawm cov hlau 3D luam ntawv txheej txheem yog "txheej txheej los ntawm txheej melting thiab stacking," uas encompasses ntau yam multidimensional yam, xws li laser zog tswj, hmoov faib uniformity, thiab kub gradient tswj. Hauv qhov chaw kuaj sim, nws yog ib qho yooj yim los luam ib qho siab - pwm zoo siv cov cuab yeej precision thiab qhov chaw txwv. Txawm li cas los xij, thaum nws los txog rau kev tsim khoom loj, cov teeb meem hauv qab no dhau los ua qhov hloov pauv loj uas txwv tsis pub sib xws:
Cov khoom hloov pauv: Qhov sib txawv ntawm cov hmoov hlau hmoov, xws li qhov loj me ntawm cov khoom, cov pa oxygen, thiab cov khoom tsis huv, muaj kev cuam tshuam ncaj qha rau cov hlau ntws zoo npaum li cas thiab khov kho thaum lub sij hawm melting. Qhov no tuaj yeem ua rau qhov loj lossis qhov sib txawv ntawm cov qauv tsim qauv thaum luam tawm hauv cov khoom sib txawv. Piv txwv li, yog tias cov pa oxygen hauv titanium alloy hmoov nce mus txog 0.01%, nws lub peev xwm los tiv thaiv kev qaug zog tuaj yeem poob los ntawm 5% mus rau 10%.
Cov txheej txheem me me: Cov kev hloov pauv ntawm lub zog laser, kev nrawm nrawm, thiab txheej txheej tuab ntawm ob peb feem pua ​​(xws li ± 1% lub zog hloov pauv) tuaj yeem ua rau tawg, porosity, lossis deformation. Piv txwv li, phab ntsa tuab ntawm cov cua txias sab hauv ntawm lub dav hlau cav turbine hniav yuav tsum khaws cia ntawm 0.3 thiab 0.5 hli. Yog tias ib qho ntawm cov kev hloov pauv no, cov channel tuaj yeem raug thaiv lossis cov qauv tuaj yeem ua tsis tiav.
Cov cuab yeej ruaj ntseg: Raws li lub sij hawm luam ntawv mus ntev dua, teeb meem nrog cov cuab yeej laus xws li laser lub zog poob, daim iav tsom xam qhov tseeb drift, thiab molding kab noj hniav kub hloov yuav maj mam ntxiv mus rau ntau qhov yuam kev. Ib pab pawg txheej txheem thoob ntiaj teb tau ua qhov kev sim uas pom tau tias qhov tseeb qhov tseeb ntawm cov ntaub ntawv luam tawm tuaj yeem poob ntawm ± 20 μ m mus rau ± 50 μ m tom qab ib lub cuab yeej khiav rau 500 teev ncaj.
Tsis paub meej tom qab ua tiav: Pwm feem ntau yuav tsum tau sandblasted thiab polished tom qab lawv tau ua kom ua tiav cov qauv roughness zoo li Ra tsawg dua lossis sib npaug li 0.8 μm. Txoj kev no tuaj yeem ua rau muaj qhov yuam kev tshiab, tshwj xeeb tshaj yog nyob rau hauv microstructures zoo li cov ceg ntawm cov dej sib haum, uas cov txheej txheem machining tsis tuaj yeem ua kom zoo ib yam.
2, Technological breakthrough: tsim ib tug mechanism rau tag nrho cov saw tswj uas guarantees sib xws
Kev lag luam tau maj mam ua kom muaj kev cuam tshuam thev naus laus zis rau kev sib koom ua ke los ntawm kev ua haujlwm ua ke hauv plaub qhov loj me ntawm "hardware, software, txheej txheem, thiab cov ntaub ntawv." Siv cov tuam txhab ua lag luam zoo li Yunyao Shenwei ua piv txwv, lawv cov kev daws teeb meem yuav raug muab faib ua peb pawg:
1. Hardware stability: Kho cov teeb meem ntawm qhov chaw
High-precision hmoov kis kab mob: siv cov tsis yog- sib chwv hmoov hloov thiab ib lub tog raj kheej hloov tsim kom tsis txhob sib tov hmoov. Lub purity ntawm cov hmoov tau mus txog ntau tshaj 99.9% ua tsaug rau kev co tshuaj ntsuam xyuas thiab magnetic teb impurity tshem tawm technologies. Piv txwv li, Yunyao Shenwei cov tshuab tuaj yeem tswj cov tuab ntawm txhua txheej kom tsis pub dhau 2-10 μm, ua kom cov hmoov sib npaug sib npaug hauv txhua txheej mus rau hauv ± 5 μm.
Kaw-loop tswj lub zog laser: Los ntawm kev siv lub sijhawm tiag tiag ntawm lub zog laser, qhov chaw zoo, thiab lub zog faib, nrog rau cov kev them nyiaj dynamic, lub zog hloov pauv tau khaws cia rau hauv ± 0.5%. Ib lub tuam txhab tsim tawm kaum - laser synchronous scanning system uas tsis tsuas yog ua rau luam ntawv tsib zaug sai dua li cov cuab yeej siv, tab sis kuj txo qhov roughness ntawm Ra Less los yog sib npaug li 1.6 μ m los ntawm optimizing qhov chaw sib tshooj.
Kev tswj ib puag ncig: Nws muaj ntau- cheeb tsam qhov kub thiab txias tswj module thiab ib qho inert gas circulation system nyob rau hauv molding kab noj hniav. Nws ua kom qhov kub thiab txias tsis pub dhau ± 2℃thiab cov pa oxygen concentration hauv qab 50 ppm, uas txwv tsis pub warping deformation los ntawm thermal stress.
2. Txheej txheem optimization: los ntawm kev paub-raws li cov ntaub ntawv-raws li
Lub tsev qiv ntawv ntawm cov tsis muaj thiab cov txheej txheem simulation: Tsim ib lub tsev qiv ntawv ntawm cov txheej txheem tsis xws li cov khoom siv xws li titanium alloy thiab pwm hlau. Tom qab ntawd, siv finite element tsom xam (FEA) simulate yuav ua li cas lub pas dej molten yuav coj lub sij hawm, kwv yees li cas nws yuav deform, thiab txhim kho kev txhawb nqa. Piv txwv li, ib lub tuam txhab siv simulation los txo cov luam ntawv distortion ntawm aviation cav roj nozzles los ntawm 0.8mm mus rau 0.2mm.
Kev saib xyuas online thiab kev tawm tswv yim hauv lub voj kaw: Siv lub koob yees duab siab - ceev ceev thiab cov ntsuas kub infrared thaum lub sijhawm luam ntawv kom tau txais cov ntaub ntawv tseem ceeb xws li cov duab ntawm lub pas dej molten thiab qhov kub ntawm qhov chaw faib khoom hauv lub sijhawm. Siv tshuab kev kawm algorithms los hloov txoj hauv kev scanning thiab lub zog teeb tsa ntawm ya. Yunyao Shenwei lub tsev qiv ntawv cov txheej txheem ntse tau ua ke ntau tshaj 100,000 cov khoom siv. Tsuas yog nyem ib zaug xwb, nws tuaj yeem nrhiav cov kev daws teeb meem luam ntawv zoo tshaj plaws, ua kom muaj qhov sib xws zoo nyob rau hauv ± 10 μm.
Kev luam ntawv nrog ntau tshaj ib hom khoom: Yuav kom ua tau raws li qhov kev xav tau ntawm qhov sib txawv ntawm cov pwm, xws li hnav tsis kam thiab thermal conductivity, koj yuav tsum txhim kho gradient cov khoom siv tshuab luam ntawv. Piv txwv li, ib txheej ntawm tooj liab alloy nrog zoo thermal conductivity yog muab tso rau saum npoo ntawm ib tug conformal kwj dej, thaum lub ntsiab qauv yog tsim los ntawm siab - zog titanium alloy. Qhov no yog ua tiav siv cov khoom siv interface tswj kev siv tshuab los tsim kom muaj kev sib khi tsis sib haum.
3. Zoo traceability: los ntawm kev tshuaj xyuas ib yam khoom los tswj tag nrho cov txheej txheem
Digital Twin: Tsim cov qauv virtual rau txhua lub cuab yeej, ua raws li lub xeev ua haujlwm thiab luam ntawv cov khoom siv tiag tiag hauv lub sijhawm, thiab siv cov ntaub ntawv ntxaib thev naus laus zis los ceeb toom txog cov teeb meem ua ntej lawv tshwm sim. Cov thev naus laus zis no tau pab ib lub lag luam txiav cov cuab yeej poob qis los ntawm 40% thiab nce cov khoom luam tawm mus rau 98.5%.
Kev ua tiav cov txheej txheem zoo traceability uas suav nrog kev tswj cov khoom siv hmoov, ua kom lub ntsej muag ntawm cov txheej txheem luam ntawv, thiab kuaj cov khoom tiav, tag nrho cov uas ua rau raug kaw - cov ntaub ntawv sib txuas. Txhua pwm, piv txwv li, muaj nws tus kheej daim ntawv lo uas tuaj yeem luam tawm kom pom nws cov khoom siv luam ntawv, qhov ntsuas qhov ntsuas, cov hmoov batch, thiab daim ntawv tshaj tawm. Qhov no ua rau nws yooj yim mus nrhiav kev txhaum thiab tuav cov neeg lav ris.
Cov txheej txheem rau kev ntsuas tus qauv: Pab ua cov qauv thoob ntiaj teb rau cov khoom xws li cov khoom siv kho tshuab (xws li lub zog tensile thiab qaug zog lub neej), qhov tseeb ntawm qhov ntev (xws li CT scan peb- qhov ntsuas qhov sib txawv), qhov zoo ntawm qhov chaw (xws li lub teeb dawb interferometer ntsuas), thiab ntau dua. Qhov no yuav pab kom kev lag luam loj hlob raws li tus qauv.
3, Industrialization Practice: Loj scale Daim ntawv thov los ntawm Aviation mus rau kev kho mob
Peb yuav tsum sim qhov muaj nqis tiag tiag ntawm kev nce qib ntawm kev siv thev naus laus zis los ntawm kev siv lawv hauv kev lag luam. Tam sim no, hlau 3D luam ntawv pwm tuaj yeem ua cov khoom lag luam uas zoo ib yam hauv ntau qhov siab -kawg teb:
Aerospace: Lub COMAC C929 ntiav SLM thev naus laus zis los luam tawm tis txhawb ua los ntawm titanium alloy. Nws ua tiav qhov sib txawv me me ntawm Tsawg dua lossis sib npaug rau ± 15 μ m hauv batch ntau lawm ntawm 200 daim los ntawm ntau- laser kev sib koom tes thiab kaw- voj tswj. Nws kuj dhau qhov kev sim qaug zog thiab txo qhov hnyav los ntawm 15%. Lub regenerative cua txias channel topology tau txhim kho SpaceX foob pob ua ntxaij thrust chamber, txiav lub voj voog luam ntawv los ntawm ib txwm 6 lub hlis mus rau 3 lub lis piam thiab tso cai rau 500 qhov ntsuas kub ntawm lub voj voog yam tsis ua haujlwm.
Kev kho mob pwm: 3D-cov pwm luam tawm rau cov ntxeem tau titanium alloy interbody fusion ntaus ntawv uas ua rau lub voj voog txhaj tshuaj ntawm 120 vib nas this mus rau 45 vib nas this thiab nce cov khoom pov thawj ntawm 85% mus rau 99%; Lub bespoke cobalt chromium alloy hniav yas pwm tuaj yeem kho tau hauv 2 lub lis piam mus rau 3 hnub, thiab thaum 5000 daim ua ib zaug, qhov loj yog ib txwm nyob hauv ± 20 μ m.
Automotive pwm: Lub zog tshiab lub tsheb ruaj khov siv 3D luam ntawv los ua cov roj teeb pob lub thawv pwm, uas txiav cov txheej txheem vuam los ntawm 12 mus rau 3 thiab ua rau lub cev 20% stiffer. Nws teeb tsa 3D luam ntawv ntau lawm kab uas tuaj yeem ua 50,000 daim ib xyoos. Tus nqi ib yam khoom yog 35% qis dua nrog cov txheej txheem ib txwm muaj.