Ib tus neeg tsav tsheb tseem ceeb tom qab kev siv ntau dua ntawm titanium alloys yog qhov kev siv dav dav ntawm cov pa roj carbon fiber ntau hauv kev tsim khoom hauv aerospace. Titanium alloys thiab carbon fiber composites qhia tau zoo heev compatibility, muab tsis tau tsuas yog siab zog thiab corrosion kuj, tab sis kuj zoo yuag, ua rau lawv tshwj xeeb tshaj yog haum rau siab - cheeb tsam kev ntxhov siab thiab tseem ceeb Cheebtsam nyob rau hauv kev sib cuag nrog cov ntaub ntawv sib xyaw. Txawm li cas los xij, qhov kev nce siab hauv titanium alloy siv tau nthuav tawm ob qho kev sib tw rau cov tuam txhab aerospace: thawj zaug, titanium alloys yog siab - cov hlau muaj txiaj ntsig, thiab cov txheej txheem forging ib txwm ua rau kev siv cov khoom siv tsawg heev, txog li 80% mus rau 95% ntawm cov khoom siv raw uas muaj peev xwm nkim thaum lub sijhawm ua haujlwm, ua rau muaj kev sib tw rau kev tsim kho kev lag luam thiab kev lag luam aerospace. Thib ob, kev txhim kho txuas ntxiv ntawm kev ua tau zoo ntawm cov dav hlau nce ntxiv nyob ntawm kev ua haujlwm zoo thiab lub teeb yuag, thaum cov txheej txheem tsim khoom ib txwm muaj kev txwv xws li cov nqi siab, lub sijhawm ua haujlwm ntev, lossis kev ua haujlwm tsis zoo thaum ua tiav cov txheej txheem sib xyaw ua ke. Yog li, puas muaj ib txoj hauv kev tsim khoom uas tuaj yeem daws qhov teeb meem ceev ntawm cov khoom pov tseg thiab qhib lub peev xwm yav tom ntej ntawm cov qauv tsim qauv? Airbus, lub chaw tsim khoom siv dav hlau, tau teb rau cov lus nug no nrog nws cov xaim - qhia lub zog tso nyiaj (w-DED) cov cuab yeej tsim khoom siv ntxiv, uas nws tau xyaum ntau xyoo.
w-DED ua haujlwm li cas?
Airbus piav qhia tias cov thev naus laus zis siv ntau -axis robotic caj npab nruab nrog titanium alloy hlau reel, uas txav tau raws li tus qauv digital. Los ntawm tsom lub zog xws li laser, plasma, lossis cov kab hluav taws xob mus rau cov hlau, nws yog tam sim ntawd yaj thiab tso txheej txheej los ntawm txheej mus rau lub substrate. Superficially, cov txheej txheem zoo li vuam, tab sis nws yog tiag tiag tswj tag nrho los ntawm ib tug peb -dimensional qauv, muaj peev xwm ntawm "luam" cov ntaub ntawv los ntawm hauv qab mus rau hauv ib tug li li -hu ua "dawb seem." Qhov khoob khoob no twb tau ze heev rau qhov kawg xav tau zoo, ua tiav "ze -net-}shape" lub xeev, thiab tsuas yog yuav tsum tau ua kom tiav sai sai kom ua tau raws li qhov xav tau ntawm qhov seem.
Xauv lub peev xwm ntawm Cov Cuab Yeej Loj Loj Titanium Alloy Cov Qauv Txheej Txheem
Xauv lub peev xwm ntawm Cov Cuab Yeej Loj Loj Titanium Alloy Cov Qauv Txheej Txheem
Thaum hlau 3D luam ntawv thev naus laus zis tau siv nyob rau hauv thaj chaw aerospace txog li kaum xyoo, nws tau raug txwv rau qhov me me. "Powder txaj" 3D tshuab luam ntawv feem ntau yog siv los tsim cov khoom luv dua 60 centimeters (li ob ko taw). Hauv qhov sib piv, w-DED thev naus laus zis tau ua rau Airbus kov yeej cov kev txwv loj, tsim cov titanium alloy cov qauv loj txog li xya meters (dhau 23 feet) ntev. Cov txheej txheem tshiab tau cog lus tias yuav ua kom nrawm ntawm ob peb kilograms ntawm cov khoom ib teev. Qhov no ua rau kev lag luam - nplai, loj- nplai ntau lawm ntawm 3D luam ntawv thev naus laus zis tuaj yeem ua rau cov khoom lag luam loj dav hlau cov qauv.
Pab txo cov titanium raw khoom pov tseg
Nyob rau niaj hnub no txoj kev nrhiav kev ruaj khov thiab lean manufacturing, tsoos forging txheej txheem tawm tsam kom ua tau raws li kev tswj hwm tus nqi nruj thiab cov peev txheej tsim nyog ntawm cov tuam txhab aerospace. Ib qho laj thawj tseem ceeb ntawm Airbus tau qhia txog DED additive manufacturing yog kom tsis txhob muaj cov khoom pov tseg thaum ua tiav los ntawm qhov pib. Qhov no yog vim hais tias, nyob rau hauv DED additive manufacturing, qhov chaw yog zus txheej - los ntawm - txheej nyob rau hauv ib tug nyob ze -net- zoo li, zoo li tus qauv tsim kawg, yuav tsum tau tsuas yog me me tom qab machining.
Txhim khu kev txhim kho aircraft agility
Cov txheej txheem tuag forging ib txwm xav tau kev tsim cov pwm loj, nyuaj, txheej txheem tuaj yeem siv sijhawm txog ob xyoos thiab yuav tsum tau nqis peev ua ntej. Hauv qhov sib piv, cov duab ntawm 3D- cov khoom luam tawm tau txhais tag nrho los ntawm cov khoos phis tawj khoos phis tawj, txo cov xa khoom mus rau ob peb lub lis piam. Lub agility uas muaj los ntawm w-DED yog tshwj xeeb tshaj yog muaj txiaj ntsig zoo rau kev ua haujlwm du thiab raws sij hawm ntawm thawj tus qauv-txawm tias cov qauv tsim tshwj xeeb tseem ua tau zoo-tuned thiab optimized, thev naus laus zis txhawb nqa nrawm nrawm ntawm cov khoom siv lub cev kom txog thaum tag nrho cov dav hlau nkag mus rau hauv lub rooj sib txoos zaum kawg.
Thawj Validation hauv A350 Production
Airbus tsis ntev los no tau pib ntau lawm kev koom ua ke ntawm cov khoom loj uas tsim los siv w-DED thev naus laus zis hauv cov qauv ntawm lub qhov rooj ntawm lub dav hlau A350. Hauv lub sijhawm tshawb nrhiav no, cov khoom tshwj xeeb, tsim los ntawm Airbus, tau luam tawm siv cov ntshav w-DED thev naus laus zis los ntawm cov neeg muag khoom tsim nyog, tom qab ntawd kuaj ultrasonically los ntawm Testia Bremen, thiab thaum kawg ua tiav thiab sib sau ua ke hauv Airbus 'tus kheej cov chaw tsim khoom. Cov khoom no yog qhov ua tau zoo thiab geometrically zoo ib yam rau cov tsoos forged qhov chaw lawv hloov, tab sis tau ua tiav cov txiaj ntsig tseem ceeb. Saib tom ntej, Airbus npaj yuav siv A350's w-DED cov khoom raws li lub hauv paus pib los maj mam txuas cov thev naus laus zis no mus rau lwm qhov haujlwm thiab ntau qhov tseem ceeb ntawm lub dav hlau (nyob rau lub sijhawm ntev, suav nrog tis thiab tsaws iav).
Tsim los rau DED
Qhov tseem ceeb tshaj, cov cuab yeej no tau ua rau lub tswv yim tshiab ntawm "tsim rau DED." Cov kws ua haujlwm tsis tas yuav rhuav tshem cov khoom sib xyaw ua ke rau ntau qhov chaw ywj pheej rau kev tsim khoom thiab sib dhos; Hloov chaw, lawv tuaj yeem tsim lawv ua ib qho, ua kom zoo tshaj qhov sib xyaw ua ke thiab luam tawm hauv ib qho mus. Qhov kev muaj peev xwm los sib sau ua ke ntau qhov chaw rau hauv ib feem yuav ua kom yooj yim rau cov khoom siv, txo cov kauj ruam sib dhos, thiab txo cov voj voog ntau lawm, yog li ua tiav cov peev txheej ntawm - tiam tom ntej aircraft raws li 3D tsim cov tswv yim.
Txhawb nqa kev tsim khoom siv ntawm cov khoom tseem ceeb
Tam sim no, Airbus thiab nws cov neeg koom tes tau ua haujlwm zoo hauv kev sib sau ua ke hauv kev tsim cov khoom tseem ceeb uas siv w-DED (wafer-rau- nrhiav) thev naus laus zis, thiab tau ua tiav kev txhawb nqa. Cov kws ua haujlwm tau sim ntau lub zog, suav nrog cov ntshav, arc vuam, cov kab hluav taws xob, thiab cov kab hluav taws xob laser, thiab ib txhij ntsuas ob qho "outsourcing" (kev cog lus luam ntawv rau cov tuam txhab sab nraud) thiab "hauv- tsev tsim khoom" (sab hauv tsim) cov tswv yim. Tsis tas li ntawd, cov thev naus laus zis no yuav ua tus qauv ntawm Airbus Group qib kom ntseeg tau tias nws daim ntawv thov thiab kev txhawb nqa thoob plaws hauv lub tuam txhab.
Systematically Advancing Logic of Airworthiness
Lub sij hawm feem ntau -siv thiab nyuaj nam ntawm airworthiness ntawv pov thawj yog kev lees paub ntawm kev nyab xeeb, uas yog, yuav ua li cas los ua pov thawj tias cov ntaub ntawv muaj kev nyab xeeb. Kev lag luam thoob ntiaj teb civil aviation manufacturing kev lag luam tau sau cov kev paub dhau los ntau xyoo ntawm kev xyaum. Thaum peb hais txog airworthiness certification, peb tab tom hais txog cov ntawv pov thawj ntawm cov khoom siv dav hlau, uas suav nrog peb yam: cov ntaub ntawv, txheej txheem, thiab tsim. Additive manufacturing-3D tshuab luam ntawv{11}} suav nrog tag nrho peb yam. Ua ntej, kev tsim khoom ntxiv yog kev tsim khoom. Meanwhile, maximizing tus nqi ntawm no technology yuav tsum tau tsim rau additive manufacturing. Kev siv cov ntaub ntawv tshiab hauv kev tsim khoom ntxiv ntawm qhov chaw ntxiv rau lwm qhov uas yuav tsum tau muaj kev pov thawj kev nyab xeeb. Yog li ntawd, txoj hauv kev nyab xeeb tshaj plaws yog los daws qhov teeb meem no ib kauj ruam zuj zus, txo qis kev pheej hmoo. Airbus txoj hauv kev rau titanium alloy DED additive manufacturing tsom iav qhov "peb-kauj ruam" airworthiness logic tau tham hauv kev xam phaj saum toj no. Ua ntej, pib nrog kev thauj khoom thib ob-cov kabmob xws li A350 lub qhov rooj thauj khoom, qhov kev ntseeg tau ntawm w-DED txheej txheem nws tus kheej tau txheeb xyuas thaum tswj cov khoom tsis hloov pauv thiab tsim qauv. Tom qab ntawd, nws maj mam txuas mus rau thawj qhov kev thauj khoom-cov qauv kabmob, txhawb kev ua kom zoo "tsim rau DED." Tam sim no, lub hom phiaj yog txhawm rau qhib lub peev xwm ntawm cov khoom siv ib txwm muaj nrog cov txheej txheem tshiab, tsis yog tib lub sijhawm nyuaj rau txoj hauv kev tshiab hauv cov ntaub ntawv, txheej txheem, thiab tsim. Qhov no theem, kev pheej hmoo- tswj txoj hauv kev tsis yog tsuas yog qhia txog qhov tsim nyog atherosclerosis hauv industrialization tab sis kuj qhia txog cov ntsiab lus ntawm aerospace additive manufacturing- nws tsis yog kev siv thev naus laus zis nkaus xwb tab sis kuj yog ib txoj haujlwm tsim nyog ntawm "kev ntseeg siab." Yuav ua li cas hloov cov thev naus laus zis tshiab mus rau qhov muaj txiaj ntsig zoo uas tuaj yeem lees paub thiab tsim tawm ntau nyob rau hauv lub moj khaum ntawm airworthiness, thiab lub sij hawm hauv qab, kev pheej hmoo stratification, thiab kev pov thawj logic, tej zaum yuav tsim nyog rau kev lag luam kev xav tob tshaj li cov ntsiab lus tshwj xeeb.