Kamfanin OEM na Italiyanci da mai ba da kayayyaki na Tier 1 Leonardo sun haɗu tare da sashen CETMA R&D don haɓaka sabbin kayan haɗe-haɗe, injuna da matakai, gami da waldawar haɓakawa don haɓakar rukunin thermoplastic.#Trend#cleansky#f-35
Leonardo Aerostructures, jagora a cikin samar da kayan da aka haɗa, yana samar da ganga fuselage guda ɗaya don Boeing 787. Yana aiki tare da CETMA don haɓaka sababbin fasaha ciki har da ci gaba da matsawa (CCM) da SQRTM (kasa).Fasahar samarwa.Source |Leonardo da CETMA
Wannan shafin yanar gizon ya dogara ne akan hira da Stefano Corvaglia, injiniyan kayan aiki, R & D darektan da kuma manajan mallakar fasaha na sashen tsarin jirgin saman Leonardo (Grottaglie, Pomigliano, Foggia, Nola samar da wuraren samar da kayayyaki, kudancin Italiya), da kuma hira da Dr. Silvio Pappadà, bincike. injiniya da shugaban.Aikin haɗin gwiwa tsakanin CETMA (Brindisi, Italiya) da Leonardo.
Leonardo (Rome, Italiya) yana daya daga cikin manyan 'yan wasa a duniya a fannin sararin samaniya, tsaro da tsaro, tare da samun kudin shiga na Euro biliyan 13.8 da fiye da ma'aikata 40,000 a duk duniya.Kamfanin yana ba da cikakkiyar mafita ga iska, ƙasa, teku, sararin samaniya, hanyar sadarwa da tsaro, da kuma tsarin marasa aiki a duniya.Sa hannun jarin R&D na Leonardo kusan Yuro biliyan 1.5 ne (11% na kudaden shiga na shekarar 2019), matsayi na biyu a Turai da na hudu a duniya wajen zuba jarin bincike a sararin samaniya da tsaro.
Leonardo Aerostructures yana samar da ganga mai haɗaɗɗun fuselage guda ɗaya don sassa na 44 da 46 na Boeing 787 Dreamliner.Source |Leonardo
Leonardo, ta hanyar sashen tsarin sufurin jiragen sama, yana ba da manyan shirye-shiryen jiragen sama na duniya tare da kerawa da kuma hada manyan kayan gine-gine na kayan aiki da kayan gargajiya, ciki har da fuselage da wutsiya.
Leonardo Aerostructures yana samar da na'urori masu ƙarfi a kwance don Boeing 787 Dreamliner.Source |Leonardo
Dangane da kayan hadewa, Sashin Tsarin Aerospace na Leonardo yana samar da "ganga guda ɗaya" ga Boeing 787 tsakiyar fuselage sashe 44 da 46 a Grottaglie shuka da kuma a kwance stabilizers a Foggia shuka, lissafinsu kusan 14% na 787 fuselage.%.Samar da sauran samfuran tsarin tsari sun haɗa da masana'anta da harhada reshen baya na jirgin kasuwanci na ATR da Airbus A220 a Foggia Plant.Har ila yau, Foggia yana samar da sassan sassa na Boeing 767 da shirye-shiryen soja, ciki har da Joint Strike Fighter F-35, da Eurofighter Typhoon fighter, da C-27J soja jirgin sama, da kuma Falco Xplorer, sabon memba na Falco unmaned iyali jirgin sama samar. da Leonardo.
"Tare tare da CETMA, muna yin ayyuka da yawa, kamar a cikin abubuwan da aka haɗa da thermoplastic da resin transfer gyare-gyare (RTM)," in ji Corvaglia."Manufarmu ita ce shirya ayyukan R&D don samarwa a cikin mafi ƙarancin lokaci mai yuwuwa.A cikin sashen mu (R & D da IP management), muna kuma neman fasahohi masu rushewa tare da ƙananan TRL (matakin shirye-shiryen fasaha-watau, ƙananan TRL yana da girma kuma ya fi girma daga samarwa), amma muna fatan za mu kasance masu gasa da kuma samar da taimako ga abokan ciniki a kusa da duniya."
Pappadà ya kara da cewa: “Tun lokacin da muke ƙoƙarin haɗin gwiwa, muna aiki tuƙuru don rage tsadar kayayyaki da tasirin muhalli.Mun gano cewa an rage yawan abubuwan da ake amfani da su na thermoplastic (TPC) idan aka kwatanta da kayan thermoset.
Corvaglia ya yi nuni da cewa: "Mun ƙirƙiro waɗannan fasahohin tare da ƙungiyar Silvio kuma mun gina wasu na'urorin batir masu sarrafa kansu don tantance su a samarwa."
"CCM babban misali ne na ƙoƙarin haɗin gwiwarmu," in ji Pappadà.“Leonardo ya gano wasu abubuwan da aka yi da kayan haɗe-haɗe na thermoset.Tare mun bincika fasahar samar da waɗannan abubuwan haɗin gwiwa a cikin TPC, tare da mai da hankali kan wuraren da akwai adadi mai yawa a kan jirgin sama, irin su tsattsauran ra'ayi da siffofi masu sauƙi na geometric.Kai tsaye."
Sassan da aka ƙera ta amfani da layin samar da ci gaba da matsawa na CETMA.Source |"CETMA: Ƙididdigar Ƙirƙirar Ƙirƙirar Italiyanci R&D Innovation"
Ya ci gaba da cewa: "Muna buƙatar sabuwar fasahar samarwa tare da ƙarancin farashi da yawan aiki."Ya kuma yi nuni da cewa, a baya, an sha yin sharar fage a lokacin da ake kera bangaren TPC guda daya.“Don haka, mun samar da sifar raga bisa fasahar gyare-gyaren da ba ta isothermal ba, amma mun yi wasu sabbin abubuwa (na jiran haƙƙin mallaka) don rage sharar gida.Mun tsara naúrar ta atomatik don wannan, sannan wani kamfani na Italiya ya gina mana shi."
A cewar Pappadà, rukunin na iya samar da abubuwan da Leonardo ya tsara, "bangare ɗaya kowane minti 5, yana aiki awa 24 a rana."Duk da haka, sai tawagarsa ta gano yadda za a samar da preforms.Ya yi bayanin: "A farkon, muna buƙatar tsarin lalata, saboda wannan shi ne ƙulli a lokacin."“Don haka, tsarinmu ya fara ne da wani fanko (leburanci), sannan mu hura shi a cikin tanda infrared (IR)., Sannan saka a cikin latsa don kafawa.Yawancin laminates ana samar da su ta amfani da manyan latsawa, waɗanda ke buƙatar sa'o'i 4-5 na lokacin sake zagayowar.Mun yanke shawarar yin nazarin sabuwar hanyar da za ta iya samar da laminates da sauri.Saboda haka, a cikin Leonardo Tare da goyon bayan injiniyoyi, mun haɓaka layin samar da CCM mai girma a CETMA.Mun rage lokacin sake zagayowar 1m ta sassa 1m zuwa mintuna 15.Abin da ke da mahimmanci shi ne cewa wannan tsari ne mai ci gaba, don haka za mu iya samar da tsayi mara iyaka. "
Hoton hoto na infrared thermal (IRT) a cikin layin ƙirar ci gaba na SPARE yana taimakawa CETMA fahimtar rarraba zafin jiki yayin aikin samarwa da kuma samar da bincike na 3D don tabbatar da ƙirar kwamfuta yayin aiwatar da ci gaban CCM.Source |"CETMA: Ƙididdigar Ƙirƙirar Ƙirƙirar Italiyanci R&D Innovation"
Koyaya, ta yaya wannan sabon samfurin ya kwatanta da CCM wanda Xperion (yanzu XELIS, Markdorf, Jamus) ya yi amfani da shi sama da shekaru goma?Pappadà ya ce: “Mun ƙirƙira ƙirar ƙididdiga da ƙididdiga waɗanda za su iya tsinkayar lahani kamar su ɓoye.”"Mun haɗu tare da Leonardo da Jami'ar Salento (Lecce, Italiya) don fahimtar sigogi da tasirin su akan inganci.Muna amfani da waɗannan samfuran don haɓaka wannan sabon CCM, inda zamu iya samun kauri mai girma amma kuma muna iya samun inganci mai kyau.Tare da waɗannan samfuran, ba za mu iya haɓaka zafin jiki da matsa lamba kawai ba, amma kuma inganta hanyar aikace-aikacen su.Kuna iya haɓaka dabaru da yawa don rarraba yawan zafin jiki da matsa lamba.Koyaya, muna buƙatar fahimtar tasirin waɗannan abubuwan akan kaddarorin injina da ci gaban lahani na sifofi masu haɗaka."
Pappadà ya ci gaba da cewa: “Fasaharmu ta fi sauƙi.Hakazalika, an samar da CCM shekaru 20 da suka gabata, amma babu wani bayani game da shi saboda ƙananan kamfanoni da ke amfani da shi ba sa raba ilimi da ƙwarewa.Don haka, dole ne mu fara daga karce, kawai bisa fahimtarmu game da kayan haɗin gwiwar da sarrafa su. "
"Yanzu muna tafiya ta cikin tsare-tsare na ciki kuma muna aiki tare da abokan ciniki don nemo sassan waɗannan sabbin fasahohin," in ji Corvaglia."Waɗannan sassan na iya buƙatar sake fasalin su kuma a sake su kafin a fara samarwa."Me yasa?"Manufar ita ce a sanya jirgin a matsayin mai haske kamar yadda zai yiwu, amma a farashi mai gasa.Saboda haka, dole ne mu kuma inganta kauri.Duk da haka, za mu iya gano cewa sashi ɗaya na iya rage nauyi, ko gano sassa da yawa masu kama da sifofi iri ɗaya, wanda zai iya adana kuɗi mai yawa. "
Ya nanata cewa har ya zuwa yanzu, wannan fasaha ta kasance a hannun wasu tsiraru.“Amma mun ƙirƙiri wasu fasahohi don sarrafa waɗannan hanyoyin ta hanyar ƙara ƙarin gyare-gyaren latsa.Mun sanya laminate mai lebur sannan mu fitar da wani sashi, a shirye don amfani.Muna kan aiwatar da sake fasalin sassa da haɓaka sassa na lebur ko bayanan martaba.Matsayin CCM."
"Yanzu muna da layin samar da CCM mai sassauƙa a CETMA," in ji Pappadà."A nan za mu iya amfani da matsi daban-daban kamar yadda ake bukata don cimma hadaddun siffofi.Layin samfurin da za mu haɓaka tare da Leonardo zai fi mai da hankali kan saduwa da takamaiman abubuwan da ake buƙata.Mun yi imanin cewa za a iya amfani da layukan CCM daban-daban don layukan lebur da L-dimbin kirtani maimakon ƙarin sifofi masu rikitarwa.Ta wannan hanyar, idan aka kwatanta da manyan injinan da ake amfani da su a halin yanzu don samar da sassan TPC na geometrical, za mu iya sa kayan aikin su yi tsada.
CETMA tana amfani da CCM don samar da igiyoyi da bangarori daga tef ɗin carbon fiber/PEKK, sannan kuma ta yi amfani da waldar shigar da wannan mai nuna bundle ɗin keel don haɗa su a cikin Tsabtace Sky 2 KEELBEMAN aikin da EURECAT ke gudanarwa.Source|"Wani mai zanga-zangar walda igiyoyin thermoplastic keel an gane."
"Welding induction yana da ban sha'awa sosai ga kayan haɗin gwiwar, saboda ana iya daidaita yanayin zafi da sarrafawa sosai, dumama yana da sauri sosai kuma kulawa yana da daidai," in ji Pappadà."Tare tare da Leonardo, mun haɓaka walda don haɗa abubuwan haɗin TPC.Amma yanzu muna la'akari da yin amfani da walƙiya shigar da kayan aikin in-wuri (ISC) na tef ɗin TPC.Don wannan, mun ƙirƙiri sabon tef ɗin fiber carbon, Ana iya yin zafi da sauri ta hanyar waldawar shigar da injin ta amfani da na'ura ta musamman.Tef ɗin yana amfani da kayan tushe iri ɗaya kamar tef ɗin kasuwanci, amma yana da gine-gine daban-daban don haɓaka dumama lantarki.Yayin da muke haɓaka kayan injin, muna kuma la'akari da tsarin don ƙoƙarin biyan buƙatu daban-daban, kamar yadda za a magance su cikin farashi mai inganci da inganci ta hanyar sarrafa kansa. "
Ya nuna cewa yana da wuya a cimma ISC tare da tef na TPC tare da kyakkyawan aiki."Don amfani da shi don samar da masana'antu, dole ne ku yi zafi da sanyi da sauri kuma ku matsa lamba ta hanyar sarrafawa sosai.Saboda haka, mun yanke shawarar yin amfani da walda na induction don dumama kawai ƙaramin yanki inda aka haɗa kayan, kuma sauran Laminates ana kiyaye su cikin sanyi.Pappadà ya ce TRL don waldawar shigar da ake amfani da ita don taro ya fi girma."
Haɗin kan rukunin yanar gizo ta amfani da dumama shigar da alama yana da rudani sosai-a halin yanzu, babu wani OEM ko mai siye da ke yin wannan a bainar jama'a."Ee, wannan na iya zama fasaha mai rushewa," in ji Corvaglia.“Mun nemi lasisin na’ura da kayan.Burinmu shine samfur mai kwatankwacin kayan haɗe-haɗe na thermoset.Mutane da yawa suna ƙoƙarin yin amfani da TPC don AFP (Automatic Fiber Placement), amma mataki na biyu dole ne a haɗa shi.Dangane da ilimin lissafi, Wannan babban iyakance ne dangane da farashi, lokacin zagayowar da girman sashi.A gaskiya ma, za mu iya canza yadda muke kera sassan sararin samaniya."
Baya ga thermoplastics, Leonardo ya ci gaba da bincika fasahar RTM."Wannan wani yanki ne da muke haɗin gwiwa tare da CETMA, kuma sabbin abubuwan da suka faru dangane da tsohuwar fasaha (SQRTM a cikin wannan yanayin) an ba da izini.Canja wurin canja wurin guduro asali wanda Radius Injiniya (Salt Lake City, Utah, Amurka) ya haɓaka (SQRTM).Corvaglia ya ce: "Yana da mahimmanci a sami hanyar autoclave (OOA) da ke ba mu damar amfani da kayan da suka riga sun cancanta."Wannan kuma yana ba mu damar amfani da prepregs tare da sanannun halaye da halaye.Mun yi amfani da wannan fasaha don ƙira, nunawa da kuma neman takardar izini don firam ɗin jirgin sama."
Duk da COVID-19, CETMA tana ci gaba da sarrafa shirin Leonardo, anan ana nuna amfani da SQRTM don kera sifofin taga jirgin sama don cimma abubuwan da ba su da lahani da kuma hanzarta aiwatarwa idan aka kwatanta da fasahar RTM ta gargajiya.Saboda haka, Leonardo na iya maye gurbin hadaddun sassa na ƙarfe tare da sassan haɗaɗɗun raga ba tare da ƙarin aiki ba.Source |CETMA, Leonardo.
Pappadà ya yi nuni da cewa: “Wannan kuma tsohuwar fasaha ce, amma idan ka shiga kan layi, ba za ka iya samun bayanai game da wannan fasaha ba.”Har yanzu, muna amfani da ƙirar ƙididdiga don tsinkaya da haɓaka sigogin tsari.Da wannan fasaha, za mu iya samun mai kyau guduro rarraba-babu bushe wuri ko guduro tara-kuma kusan sifili porosity.Saboda za mu iya sarrafa abubuwan da ke cikin fiber, za mu iya samar da kaddarorin tsari sosai, kuma ana iya amfani da fasaha don samar da siffofi masu rikitarwa.Muna amfani da kayan iri ɗaya waɗanda suka dace da buƙatun warkewar autoclave, amma amfani da hanyar OOA, amma kuma kuna iya yanke shawarar amfani da guduro mai saurin warkewa don rage lokacin zagayowar zuwa ƴan mintuna."
"Ko da tare da prepreg na yanzu, mun rage lokacin warkewa," in ji Corvaglia."Misali, idan aka kwatanta da na al'ada autoclave sake zagayowar na 8-10 hours, ga sassa kamar taga Frames, SQRTM za a iya amfani da 3-4 hours.Ana amfani da zafi da matsa lamba kai tsaye zuwa sassan, kuma yawan dumama ya ragu.Bugu da ƙari, dumama resin ruwa a cikin autoclave yana da sauri fiye da iska, kuma ingancin sassan kuma yana da kyau, wanda ke da amfani musamman ga siffofi masu rikitarwa.Babu sake yin aiki, kusan ɓoyayyiyar sifili da ingantaccen ingancin ƙasa, saboda kayan aikin yana cikin Sarrafa shi, ba jakar injin ba.
Leonardo yana amfani da fasaha iri-iri don ƙirƙira.Saboda saurin haɓaka fasahar fasaha, ya yi imanin cewa zuba jari a cikin babban haɗari R & D (ƙananan TRL) yana da mahimmanci don haɓaka sabbin fasahohin da ake buƙata don samfuran nan gaba, wanda ya zarce haɓakar haɓakar haɓaka (na ɗan gajeren lokaci) waɗanda samfuran da suka kasance sun riga sun mallaka. .Babban tsarin R&D na Leonardo na 2030 ya haɗu da irin wannan haɗakar dabarun gajere da dogon lokaci, wanda shine haɗe-haɗe ga kamfani mai dorewa da gasa.
A matsayin wani ɓangare na wannan shirin, za ta ƙaddamar da Leonardo Labs, cibiyar sadarwar dakin gwaje-gwaje na R & D na kasa da kasa wanda aka keɓe don R&D da ƙirƙira.By 2020, kamfanin zai nemi bude na farko shida Leonardo dakunan gwaje-gwaje a Milan, Turin, Genoa, Rome, Naples da Taranto, kuma yana daukar 68 masu bincike (Leonardo Research Fellows) tare da basira a cikin wadannan filayen ): 36 m tsarin fasaha don Matsayin hankali na wucin gadi, 15 babban bincike na bayanai, 6 high-perform computing, 4 tashar wutar lantarki ta jirgin sama, 5 kayan da sifofi, da 2 jimla fasahar.Laboratory Leonardo zai taka rawar bidi'a da kuma mahaliccin fasahar Leonardo a nan gaba.
Ya kamata a lura da cewa fasahar Leonardo da aka sayar da shi a kan jiragen sama ana iya amfani da shi a cikin sassan ƙasa da na teku.Kasance cikin sauraron don ƙarin sabuntawa kan Leonardo da yuwuwar tasirinsa akan kayan haɗin gwiwa.
Matrix ɗin yana ɗaure kayan da aka ƙarfafa fiber, yana ba da ɓangaren haɗakarwa da siffarsa, kuma yana ƙayyade ingancin samansa.Matrix ɗin da aka haɗa na iya zama polymer, yumbu, ƙarfe ko carbon.Wannan jagorar zaɓi ne.
Don aikace-aikacen da aka haɗa, waɗannan ƙananan ƙananan ƙananan ƙananan suna maye gurbin mai yawa girma tare da ƙananan nauyi, kuma suna ƙara yawan aiki da ingancin samfur.
Lokacin aikawa: Fabrairu-09-2021