Italian OEM thiab Tier 1 tus neeg muag khoom Leonardo koom tes nrog CETMA R & D department los tsim cov khoom sib xyaw tshiab, tshuab thiab cov txheej txheem, suav nrog induction vuam rau ntawm qhov chaw sib sau ua ke ntawm cov thermoplastic composites.#Trend#cleansky#f-35
Leonardo Aerostructures, tus thawj coj hauv kev tsim cov khoom siv sib xyaw, tsim ib lub fuselage chim rau Boeing 787. Nws ua haujlwm nrog CETMA los tsim cov thev naus laus zis tshiab suav nrog kev sib txuas txuas ntxiv (CCM) thiab SQRTM (hauv qab).Kev siv tshuab ntau lawm.Qhov chaw |Leonardo thiab CETMA
Qhov blog no yog ua raws li kuv qhov kev xam phaj nrog Stefano Corvaglia, cov khoom siv engineer, R & D tus thawj coj thiab tus thawj coj kev txawj ntse ntawm Leonardo lub dav hlau qauv department (Grottaglie, Pomigliano, Foggia, Nola ntau lawm chaw, yav qab teb Ltalis), thiab kev xam phaj nrog Dr. Silvio Pappadà, kev tshawb fawb engineer thiab taub hau.Txoj haujlwm ntawm kev koom tes ntawm CETMA (Brindisi, Ltalis) thiab Leonardo.
Leonardo (Rome, Ltalis) yog ib qho ntawm cov neeg tseem ceeb hauv ntiaj teb hauv kev lag luam aerospace, kev tiv thaiv thiab kev ruaj ntseg, nrog rau kev lag luam ntawm 13.8 billions euros thiab ntau dua 40,000 tus neeg ua haujlwm thoob ntiaj teb.Lub tuam txhab muab kev daws teeb meem rau huab cua, av, hiav txwv, chaw, network thiab kev ruaj ntseg, thiab cov tshuab tsis muaj neeg nyob thoob ntiaj teb.Leonardo's R & D peev yog kwv yees li 1.5 billion euros (11% ntawm 2019 cov nyiaj tau los), qeb thib ob hauv Tebchaws Europe thiab thib plaub hauv ntiaj teb raws li kev tshawb fawb peev hauv kev lag luam aerospace thiab kev tiv thaiv.
Leonardo Aerostructures tsim ib-thooj sib xyaw fuselage chim rau ntu 44 thiab 46 ntawm Boeing 787 Dreamliner.Qhov chaw |Leonardo
Leonardo, dhau los ntawm nws lub tuam tsev dav hlau dav hlau, muab lub ntiaj teb cov kev pabcuam pej xeem loj hauv ntiaj teb nrog kev tsim thiab sib sau ua ke ntawm cov txheej txheem loj ntawm cov khoom sib xyaw thiab cov khoom qub, suav nrog lub fuselage thiab tus Tsov tus tw.
Leonardo Aerostructures tsim cov kab rov tav stabilizers sib xyaw rau Boeing 787 Dreamliner.Qhov chaw |Leonardo
Hais txog cov ntaub ntawv sib xyaw, Leonardo's Aerospace Structure Division tsim "ib thooj thoob" rau Boeing 787 hauv nruab nrab fuselage seem 44 thiab 46 ntawm nws Grottaglie cog thiab kab rov tav stabilizers ntawm nws cov nroj tsuag Foggia, suav txog kwv yees li 14% ntawm 787 fuselage.%.Kev tsim khoom ntawm lwm cov khoom siv sib xyaw suav nrog kev tsim khoom thiab sib sau ua ke hauv qab tis ntawm ATR thiab Airbus A220 kev lag luam dav hlau ntawm nws Foggia Plant.Foggia kuj tseem tsim cov khoom sib xyaw rau Boeing 767 thiab cov kev pabcuam tub rog, suav nrog Joint Strike Fighter F-35, Eurofighter Typhoon fighter, C-27J tub rog thauj dav hlau, thiab Falco Xplorer, tus tswv cuab tshiab ntawm Falco unmanned aircraft tsev neeg tsim. los ntawm Leonardo.
"Ua ke nrog CETMA, peb tab tom ua ntau yam dej num, xws li hauv cov thermoplastic composites thiab resin hloov molding (RTM)," Corvaglia hais."Peb lub hom phiaj yog npaj R & D cov haujlwm rau kev tsim khoom hauv lub sijhawm luv tshaj plaws.Hauv peb lub tuam tsev (R & D thiab IP kev tswj hwm), peb kuj nrhiav kev cuam tshuam cov thev naus laus zis nrog qis TRL (cov txheej txheem kev npaj qib-ie, TRL qis dua yog nascent thiab deb ntawm ntau lawm), tab sis peb cia siab tias yuav muaj kev sib tw ntau dua thiab muab kev pab rau cov neeg siv khoom nyob ib puag ncig. ntiaj teb."
Pappada hais ntxiv tias: "Txij li peb txoj kev sib koom tes, peb tau ua haujlwm hnyav los txo cov nqi thiab kev cuam tshuam ib puag ncig.Peb tau pom tias cov thermoplastic composites (TPC) tau txo qis piv rau cov khoom siv thermoset. "
Corvaglia tau taw qhia tias: "Peb tsim cov thev naus laus zis no ua ke nrog Silvio pab pawg thiab tsim qee cov qauv siv roj teeb uas siv tau los ntsuas lawv hauv kev tsim khoom."
"CCM yog ib qho piv txwv zoo ntawm peb txoj kev sib koom tes," Pappada hais."Leonardo tau txheeb xyuas qee yam khoom ua los ntawm cov khoom siv thermoset sib xyaw.Ua ke peb tau tshawb nrhiav cov thev naus laus zis ntawm kev muab cov khoom siv no hauv TPC, tsom mus rau qhov chaw uas muaj ntau qhov chaw ntawm lub dav hlau, xws li cov qauv sib txuas thiab cov duab geometric yooj yim.Uprights."
Qhov chaw tsim khoom siv CETMA cov kab nruam compression molding ntau lawm.Qhov chaw |"CETMA: Italian Composite Materials R&D Innovation"
Nws hais ntxiv: "Peb xav tau cov cuab yeej tsim khoom tshiab nrog tus nqi qis thiab kev tsim khoom siab."Nws tau taw qhia tias yav dhau los, ntau cov pov tseg tau tsim thaum lub sijhawm tsim khoom ntawm ib qho TPC."Yog li, peb tau tsim cov duab mesh raws li cov tshuab tsis yog isothermal compression molding, tab sis peb tau ua qee qhov kev tsim kho tshiab (patent tseem tos) kom txo cov khoom pov tseg.Peb tsim ib lub tsev tsis siv neeg tag nrho rau qhov no, thiab tom qab ntawd lub tuam txhab Italian tsim nws rau peb.“
Raws li Pappada, chav tsev tuaj yeem tsim cov khoom tsim los ntawm Leonardo, "ib qho khoom siv txhua 5 feeb, ua haujlwm 24 teev hauv ib hnub."Txawm li cas los xij, nws pab neeg tom qab ntawd yuav tsum paub yuav ua li cas tsim cov preforms.Nws piav qhia tias: "Thaum pib, peb xav tau txheej txheem lamination, vim qhov no yog lub hauv paus caj dab thaum lub sijhawm.""Yog li, peb cov txheej txheem pib nrog qhov khoob (paj laminate), thiab tom qab ntawd muab tso rau hauv qhov cub infrared (IR)., Thiab ces muab tso rau hauv xovxwm rau txoj kev.Flat laminates feem ntau yog tsim los ntawm cov xovxwm loj, uas yuav tsum tau 4-5 teev ntawm lub sijhawm voj voog.Peb txiav txim siab los kawm ib txoj kev tshiab uas tuaj yeem tsim cov laminates sai dua.Yog li ntawd, nyob rau hauv Leonardo Nrog kev pab los ntawm engineers, peb tsim ib tug high-productivity CCM ntau lawm kab nyob rau hauv CETMA.Peb txo lub sijhawm voj voog ntawm 1m los ntawm 1m qhov chaw mus rau 15 feeb.Dab tsi yog qhov tseem ceeb yog qhov no yog cov txheej txheem txuas ntxiv, yog li peb tuaj yeem tsim qhov ntev ntev. "
Lub koob yees duab infrared thermal imager (IRT) lub koob yees duab hauv SPARE cov txheej txheem yob txoj kab pab CETMA nkag siab txog qhov kub thiab txias thaum lub sij hawm tsim khoom thiab tsim 3D tsom xam los xyuas cov qauv hauv computer thaum lub sij hawm tsim CCM.Qhov chaw |"CETMA: Italian Composite Materials R&D Innovation"
Txawm li cas los xij, cov khoom tshiab no piv li cas nrog CCM uas Xperion (tam sim no XELIS, Markdorf, Lub teb chaws Yelemees) tau siv ntau tshaj kaum xyoo?Pappada tau hais tias: "Peb tau tsim cov qauv tshuaj ntsuam xyuas thiab cov lej uas tuaj yeem kwv yees qhov tsis xws li qhov tsis muaj.""Peb tau koom tes nrog Leonardo thiab University of Salento (Lecce, Ltalis) kom nkag siab txog cov kev txwv thiab lawv qhov cuam tshuam rau qhov zoo.Peb siv cov qauv no los tsim cov CCM tshiab no, qhov twg peb tuaj yeem muaj cov tuab tuab tab sis kuj tuaj yeem ua tau zoo.Nrog cov qauv no, peb tuaj yeem tsis tsuas yog optimize kub thiab siab, tab sis kuj optimize lawv daim ntawv thov txoj kev.Koj tuaj yeem tsim ntau cov tswv yim kom sib npaug ntawm qhov kub thiab txias.Txawm li cas los xij, peb yuav tsum nkag siab qhov cuam tshuam ntawm cov xwm txheej no ntawm cov khoom siv kho tshuab thiab kev loj hlob tsis zoo ntawm cov qauv sib xyaw. "
Pappada txuas ntxiv: “Peb cov cuab yeej siv tau yooj yim dua.Ib yam li ntawd, CCM tau tsim 20 xyoo dhau los, tab sis tsis muaj ntaub ntawv hais txog nws vim tias ob peb lub tuam txhab uas siv nws tsis qhia kev paub thiab kev txawj ntse.Yog li ntawd, peb yuav tsum pib los ntawm kos, tsuas yog Raws li peb txoj kev nkag siab ntawm cov ntaub ntawv sib xyaw thiab kev ua haujlwm. "
"Tam sim no peb tab tom dhau los ntawm cov phiaj xwm sab hauv thiab ua haujlwm nrog cov neeg siv khoom los nrhiav cov khoom ntawm cov thev naus laus zis tshiab no," Corvaglia tau hais."Cov khoom no yuav tsum tau kho dua tshiab thiab tsim nyog ua ntej kev tsim khoom tuaj yeem pib."Vim li cas?"Lub hom phiaj yog ua kom lub dav hlau lub teeb li sai tau, tab sis ntawm tus nqi sib tw.Yog li ntawd, peb yuav tsum optimize lub thickness.Txawm li cas los xij, peb yuav pom tias ib feem tuaj yeem txo qhov hnyav, lossis txheeb xyuas ntau qhov chaw nrog cov duab zoo sib xws, uas tuaj yeem txuag tau nyiaj ntau. "
Nws rov hais dua tias txog rau tam sim no, cov tshuab no tau nyob hauv ob peb tus neeg txhais tes."Tab sis peb tau tsim lwm cov thev naus laus zis los ua kom cov txheej txheem no los ntawm kev ntxiv cov xovxwm siab tshaj plaws.Peb muab tso rau hauv lub tiaj tus laminate thiab tom qab ntawd tshem tawm ib feem ntawm nws, npaj siv.Peb nyob rau hauv tus txheej txheem ntawm redesigning qhov chaw thiab tsim lub tiaj los yog profiled qhov chaw.The stage of CCM."
Pappadà tau hais tias "Peb tam sim no muaj cov kab ntau lawm CCM hloov tau yooj yim hauv CETMA,""Ntawm no peb tuaj yeem siv cov kev sib txawv raws li xav tau kom ua tiav cov duab nyuaj.Cov khoom lag luam peb yuav tsim ua ke nrog Leonardo yuav tsom mus rau kev ua kom tau raws li nws cov kev xav tau tshwj xeeb.Peb ntseeg hais tias cov kab sib txawv CCM tuaj yeem siv rau cov kab ncaj nraim thiab L-shaped stringers es tsis txhob ntau cov duab.Nyob rau hauv txoj kev no, piv nrog cov xovxwm loj tam sim no siv los tsim cov txheej txheem geometrical TPC, peb tuaj yeem ua rau cov cuab yeej siv tau qis. "
CETMA siv CCM los tsim stringers thiab panels los ntawm carbon fiber / PEKK ib-txoj kab xev, thiab tom qab ntawd siv induction welding ntawm keel pob no tus qauv qhia los txuas rau lawv hauv Clean Sky 2 KEELBEMAN project tswj los ntawm EURECAT.Tau qhov twg los | "Ib tus qauv qhia rau vuam thermoplastic keel beams tau paub lawm."
"Induction vuam yog qhov nthuav heev rau cov ntaub ntawv sib xyaw, vim tias qhov kub thiab txias tuaj yeem hloov kho thiab tswj tau zoo, cua sov ceev heev thiab kev tswj tau meej heev," Pappadà hais."Ua ke nrog Leonardo, peb tsim induction vuam los koom nrog TPC cov khoom.Tab sis tam sim no peb tab tom txiav txim siab siv induction vuam rau in-situ consolidation (ISC) ntawm TPC daim kab xev.Txog rau qhov kawg no, peb tau tsim ib daim kab xev carbon fiber tshiab, Nws tuaj yeem ua kom sov sai heev los ntawm induction vuam siv lub tshuab tshwj xeeb.Daim kab xev siv tib lub hauv paus cov ntaub ntawv raws li kev lag luam daim kab xev, tab sis muaj ib tug txawv architecture los txhim kho electromagnetic cua sov.Thaum ua kom zoo rau cov khoom siv kho tshuab, peb tseem tab tom xav txog cov txheej txheem los sim ua kom tau raws li cov kev xav tau sib txawv, xws li yuav ua li cas nrog lawv cov nqi-zoo thiab muaj txiaj ntsig los ntawm automation. "
Nws tau taw qhia tias nws nyuaj rau ua tiav ISC nrog TPC daim kab xev nrog cov khoom tsim tau zoo."Yuav kom siv nws rau kev tsim khoom lag luam, koj yuav tsum ua kom sov thiab txias sai dua thiab siv lub zog hauv txoj kev tswj hwm.Yog li ntawd, peb txiav txim siab siv induction welding kom sov tsuas yog ib qho chaw me me uas cov khoom sib sau ua ke, thiab cov Laminates seem tau txias. "Pappada hais tias TRL rau induction vuam siv rau kev sib dhos yog siab dua.“
On-site kev koom ua ke siv induction cua sov zoo li tsis tshua muaj kev cuam tshuam-tam sim no, tsis muaj lwm yam OEM los yog tier tsum tau ua qhov no rau pej xeem.Corvaglia hais tias "Yog lawm, qhov no yuav yog kev cuam tshuam kev siv tshuab," Corvaglia hais."Peb tau thov rau patents rau lub tshuab thiab cov ntaub ntawv.Peb lub hom phiaj yog cov khoom sib piv rau cov khoom siv thermoset.Ntau tus neeg sim siv TPC rau AFP (Tsis Siv Neeg Fiber Placement), tab sis cov kauj ruam thib ob yuav tsum tau ua ke.Nyob rau hauv cov nqe lus ntawm geometry, Qhov no yog ib tug loj txwv nyob rau hauv cov nqe lus ntawm tus nqi, lub sij hawm voj voog thiab ib feem loj.Qhov tseeb, peb tuaj yeem hloov txoj hauv kev peb tsim cov khoom siv dav hlau. "
Ntxiv nrog rau cov thermoplastics, Leonardo tseem tshawb fawb RTM thev naus laus zis."Qhov no yog lwm qhov chaw uas peb tau koom tes nrog CETMA, thiab cov kev tsim kho tshiab raws li cov thev naus laus zis qub (SQRTM hauv qhov no) tau patented.Tsim nyog resin hloov molding yog tsim los ntawm Radius Engineering (Salt Lake City, Utah, USA) (SQRTM).Corvaglia tau hais tias: “Nws yog ib qho tseem ceeb uas yuav tsum muaj txoj hauv kev autoclave (OOA) uas tso cai rau peb siv cov ntaub ntawv uas twb muaj lawm."Qhov no kuj tso cai rau peb siv prepregs nrog cov yam ntxwv paub zoo thiab zoo.Peb tau siv cov thev naus laus zis no los tsim, ua qauv qhia thiab thov rau patent rau aircraft qhov rais thav duab.“
Txawm hais tias COVID-19, CETMA tseem tab tom ua haujlwm Leonardo program, ntawm no tau qhia txog kev siv SQRTM los ua cov qauv dav hlau qhov rai kom ua tiav cov khoom tsis raug cai thiab ua kom nrawm ua ntej piv rau cov cuab yeej siv RTM.Yog li ntawd, Leonardo tuaj yeem hloov cov khoom siv hlau nrog cov khoom sib xyaw mesh yam tsis muaj kev ua haujlwm ntxiv.Qhov chaw |CETMA, Leonardo.
Pappada tau taw qhia tias: "Qhov no kuj yog cov cuab yeej qub, tab sis yog tias koj mus online, koj nrhiav tsis tau cov ntaub ntawv hais txog cov thev naus laus zis no."Ib zaug ntxiv, peb tab tom siv cov qauv tshuaj ntsuam xyuas los kwv yees thiab txhim kho cov txheej txheem tsis zoo.Nrog rau cov thev naus laus zis no, peb tuaj yeem tau txais cov khoom xa tawm zoo-tsis muaj qhov chaw qhuav lossis cov khoom sib txuas-thiab yuav luag xoom porosity.Vim tias peb tuaj yeem tswj tau cov ntsiab lus fiber ntau, peb tuaj yeem tsim cov khoom siv zoo heev, thiab cov cuab yeej siv tau los tsim cov duab nyuaj.Peb siv tib cov ntaub ntawv uas ua tau raws li qhov yuav tsum tau ua autoclave curing, tab sis siv txoj kev OOA, tab sis koj tuaj yeem txiav txim siab siv cov tshuaj tua kab mob ceev kom luv lub sij hawm mus rau ob peb feeb.“
Corvaglia tau hais tias "Txawm tias tam sim no prepreg, peb tau txo lub sijhawm kho," Corvaglia hais."Piv txwv li, piv rau lub voj voog autoclave ib txwm muaj 8-10 teev, rau qhov chaw xws li qhov rais thav duab, SQRTM tuaj yeem siv rau 3-4 teev.Thaum tshav kub kub thiab siab yog ncaj qha mus rau qhov chaw, thiab cov cua kub huab cua yog tsawg.Tsis tas li ntawd, cov cua kub ntawm cov kua resin nyob rau hauv lub autoclave yog ceev tshaj cov huab cua, thiab qhov zoo ntawm cov khoom kuj zoo heev, uas yog tshwj xeeb tshaj yog zoo rau cov complex duab.Tsis muaj rework, yuav luag xoom voids thiab zoo heev nto zoo, vim hais tias cov cuab yeej yog nyob rau hauv Tswj nws, tsis yog lub hnab nqus tsev vacuum.
Leonardo tab tom siv ntau yam thev naus laus zis los tsim kho tshiab.Vim tias txoj kev loj hlob sai ntawm cov thev naus laus zis, nws ntseeg tias kev nqis peev hauv kev pheej hmoo siab R & D (tsawg TRL) yog qhov tseem ceeb rau kev tsim cov thev naus laus zis tshiab uas xav tau rau cov khoom lag luam yav tom ntej, uas tshaj qhov nce ntxiv (lub sijhawm luv) kev tsim kho uas cov khoom uas twb muaj lawm. .Leonardo's 2030 R & D tus tswv txoj kev npaj ua ke ua ke nrog cov tswv yim luv luv thiab ntev, uas yog lub zeem muag sib koom ua ke rau lub tuam txhab muaj txiaj ntsig thiab kev sib tw.
Raws li ib feem ntawm txoj kev npaj no, nws yuav nthuav tawm Leonardo Labs, lub koom haum thoob ntiaj teb R & D lub chaw kuaj mob rau R & D thiab kev tsim kho tshiab.Los ntawm 2020, lub tuam txhab yuav nrhiav kev qhib thawj rau Leonardo lub chaw soj nstuam hauv Milan, Turin, Genoa, Rome, Naples thiab Taranto, thiab tab tom nrhiav 68 tus kws tshawb fawb (Leonardo Research Fellows) nrog cov kev txawj hauv cov haujlwm hauv qab no): 36 autonomous intelligent systems rau Artificial txawj ntse txoj haujlwm, 15 cov ntaub ntawv loj tsom xam, 6 kev ua haujlwm siab, 4 aviation platform electrification, 5 cov ntaub ntawv thiab cov qauv, thiab 2 quantum technologies.Leonardo Laboratory yuav ua lub luag haujlwm ntawm kev tshaj tawm tshiab thiab tus tsim ntawm Leonardo lub neej yav tom ntej thev naus laus zis.
Nws yog tsim nyog sau cia tias Leonardo cov thev naus laus zis ua lag luam ntawm lub dav hlau kuj tseem tuaj yeem siv rau hauv nws thaj av thiab dej hiav txwv.Nyob twj ywm rau kev hloov kho tshiab ntawm Leonardo thiab nws cov peev xwm cuam tshuam rau cov ntaub ntawv sib xyaw.
Lub matrix khi cov khoom siv fiber ntau, muab cov khoom sib xyaw ua ke nws cov duab, thiab txiav txim siab nws qhov zoo.Composite matrix tuaj yeem yog polymer, ceramic, hlau lossis carbon.Nov yog phau ntawv qhia kev xaiv.
Rau cov ntawv thov sib xyaw, cov hollow microstructures hloov ntau lub ntim nrog qhov hnyav, thiab ua kom cov khoom ntim thiab cov khoom zoo.
Post lub sij hawm: Feb-09-2021