I-OEM yaseItali kunye nomthengisi we-Tier 1 uLeonardo usebenzisane nesebe le-CETMA R&D ukuphuhlisa imathiriyeli entsha edibeneyo, oomatshini kunye neenkqubo, kubandakanya ukufakwa kwe-welding kwisiza sokudityaniswa kwe-thermoplastic composite.#Trend#cleansky#f-35
I-Leonardo Aerostructures, inkokeli kwimveliso yezinto ezidibeneyo, ivelisa imigqomo ye-fuselage enye ye-Boeing 787. Isebenzisana ne-CETMA ukuphuhlisa ubuchwepheshe obutsha kuquka ukubunjwa koxinzelelo oluqhubekayo (CCM) kunye ne-SQRTM (ezantsi).Itekhnoloji yokuvelisa.Umthombo |ULeonardo kunye neCETMA
Le bhlog isekelwe kudliwanondlebe lwam noStefano Corvaglia, injineli yezinto eziphathekayo, umlawuli we-R & D kunye nomphathi wepropathi yengqondo yesebe lesakhiwo seenqwelomoya zikaLeonardo (iGrottaglie, iPomigliano, iFoggia, izibonelelo zemveliso yaseNola, emazantsi eItali), kunye nodliwano-ndlebe noDkt. Silvio Pappadà, uphando. injineli kunye nentloko.Iprojekthi yentsebenziswano phakathi kweCETMA (eBrindisi, eItali) kunye noLeonardo.
ULeonardo (eRoma, eItali) ngomnye wabadlali abakhulu behlabathi kwi-aerospace, ukukhusela kunye nokhuseleko kumabala, kunye nenzuzo ye-13.8 yeebhiliyoni zee-euro kunye nabasebenzi abangaphezu kwe-40,000 kwihlabathi jikelele.Inkampani ibonelela ngezisombululo ezibanzi zomoya, umhlaba, ulwandle, indawo, inethiwekhi kunye nokhuseleko, kunye neenkqubo ezingabanjwanga kwihlabathi liphela.Utyalo-mali lukaLeonardo lweR&D lumalunga ne-1.5 yeebhiliyoni zee-euro (i-11% yengeniso ka-2019), ikwindawo yesibini eYurophu neyesine kwihlabathi malunga notyalo-mali lophando kwi-aerospace kunye nemimandla yokhuselo.
ULeonardo Aerostructures uvelisa iqhekeza elinye imiphanda yefuselage yeenxalenye ze-44 kunye ne-46 ye-Boeing 787 Dreamliner.Umthombo |ULeonardo
ULeonardo, ngesebe lakhe lolwakhiwo lweenqwelomoya, ubonelela ngeenkqubo eziphambili zehlabathi zeenqwelomoya ngokwenziwa kunye nokuhlanganisa amacandelo amakhulu ezinto ezihlanganisiweyo kunye nezemveli, kubandakanya ifuselage kunye nomsila.
I-Leonardo Aerostructures ivelisa izizinzisi ezidibeneyo ezithe tye kwiBoeing 787 Dreamliner.Umthombo |ULeonardo
Ngokubhekiselele kwizinto ezidibeneyo, iCandelo le-Aerospace Structure Division likaLeonardo livelisa "imigqomo enye" ye-Boeing 787 yecandelo le-fuselage ephakathi 44 kunye ne-46 kwisityalo sayo saseGrottaglie kunye nezinzisi ezithe tye kwiplanti yayo yeFoggia, ebalwa malunga ne-14% ye-787 fuselage.%.Ukuveliswa kwezinye iimveliso zesakhiwo esihlanganisiweyo kubandakanya ukuvelisa kunye nokudibanisa iphiko elingasemva le-ATR kunye ne-Airbus A220 yeenqwelo-moya kwi-Foggia Plant.I-Foggia iphinda ivelise iinxalenye ezidibeneyo ze-Boeing 767 kunye neenkqubo zomkhosi, kuquka i-Joint Strike Fighter F-35, i-Eurofighter Typhoon fighter, i-C-27J inqwelo-moya yokuthutha umkhosi, kunye ne-Falco Xplorer, ilungu lamva nje losapho lwe-Falco olungaqhutywanga lwenqwelomoya oluveliswe. nguLeonardo.
"Sikunye neCETMA, senza imisebenzi emininzi, njengakwi-thermoplastic composites kunye ne-resin transfer molding (RTM)," kusho uCorvaglia.“Injongo yethu kukulungiselela imisebenzi yeR&D ukulungiselela imveliso ngelona xesha lifutshane.Kwisebe lethu (i-R&D kunye nolawulo lwe-IP), sikwafuna itekhnoloji eziphazamisayo ezine-TRL esezantsi (inqanaba lokulungela ubuchwephesha-oko kukuthi, i-TRL esezantsi isanda kwaye ikude kwimveliso), kodwa sinethemba lokuba siya kukhuphisana ngakumbi kwaye sibonelele ngoncedo kubathengi ngeenxa zonke ihlabathi.”
UPappadà wongezelela wathi: "Ukususela kwimizamo yethu edibeneyo, sisebenza nzima ukunciphisa iindleko kunye nefuthe lokusingqongileyo.Sifumene ukuba i-thermoplastic composite (TPC) incitshisiwe xa ithelekiswa nezixhobo ze-thermoset. "
UCorvaglia wathi: “Siphuhlise obu bugcisa kunye neqela likaSilvio saza sakha iiprototypes zebhetri ezizisebenzelayo ukuze sizivavanye xa zisenziwa.”
“I-CCM ngumzekelo omhle wemizamo yethu edibeneyo,” utshilo uPappadà."ULeonardo uchonge izinto ezithile ezenziwe ngezinto ezihlanganisiweyo ze-thermoset.Sikunye sihlolisise iteknoloji yokubonelela ngezi zixhobo kwi-TPC, sigxile kwiindawo apho kukho inani elikhulu leenxalenye kwinqwelomoya, ezifana nezakhiwo zokuhlanganisa kunye neemilo zejometri ezilula.Ngokuthe tye.”
Amacandelo enziwe kusetyenziswa umgca wemveliso we-CETMA oqhubekayo wokubumba.Umthombo |"I-CETMA: Izinto eziDityanisiweyo zaseTaliyane iR&D Innovation"
Uqhube wathi: "Sidinga itekhnoloji entsha yemveliso enexabiso eliphantsi kunye nemveliso ephezulu."Wabonisa ukuba kwixesha elidlulileyo, inkunkuma eninzi yenziwa ngexesha lokwenziwa kwecandelo elinye le-TPC.Ke, sivelise ubume bemesh esekwe kwitekhnoloji yokubumba i-isothermal, kodwa senze izinto ezintsha (ilungelo elilodwa lomenzi wechiza) ukunciphisa inkunkuma.Sayila iyunithi ezenzekelayo ngokugqibeleleyo, kwaye inkampani yase-Italiya yasakhela yona.“
NgokukaPappadà, iyunithi inokuvelisa izinto eziyilwe nguLeonardo, "icandelo elinye rhoqo ngemizuzu emi-5, lisebenza iiyure ezingama-24 ngosuku."Nangona kunjalo, iqela lakhe ke kwafuneka lifumanise indlela yokuvelisa ii-preforms.Wacacisa wathi: “Ekuqaleni, sasifuna inkqubo yokuqhotyoshwa okuthe tyaba, kuba lo yayingumqobo ngelo xesha.Ngoko ke, inkqubo yethu yaqala ngokungenanto (i-flat laminate), kwaye emva koko yafudumeza kwi-oven ye-infrared (IR)., Kwaye emva koko faka kwi-press ukuze wenze.I-Flat laminates idla ngokuveliswa kusetyenziswa ii-presses ezinkulu, ezifuna iiyure ezingama-4-5 zexesha lokujikeleza.Sagqiba ekubeni sifunde indlela entsha enokuvelisa i-laminates flat ngokukhawuleza.Ngoko ke, kuLeonardo Ngenkxaso yeenjineli, siye savelisa umgca wemveliso we-CCM ophezulu kwi-CETMA.Sinciphise ixesha lokujikeleza kwe-1m ngeengxenye ze-1m ukuya kwimizuzu eyi-15.Okubalulekileyo kukuba le yinkqubo eqhubekayo, ukuze sikwazi ukuvelisa ubude obungenasiphelo. "
Ikhamera ye-infrared thermal imager (IRT) kwi-SPARE progressive roll forming line inceda i-CETMA iqonde ukuhanjiswa kweqondo lokushisa ngexesha lenkqubo yokuvelisa kunye nokuvelisa uhlalutyo lwe-3D ukuqinisekisa imodeli yekhompyutha ngexesha lenkqubo yophuhliso lwe-CCM.Umthombo |"I-CETMA: Izinto eziDityanisiweyo zaseTaliyane iR&D Innovation"
Nangona kunjalo, le mveliso intsha ithelekisa njani ne-CCM esetyenziswe nguXperion (ngoku eyiXELIS, eMarkdorf, eJamani) iminyaka engaphezu kweshumi?UPappadà uthe: "Senze iimodeli zohlalutyo kunye namanani ezinokuxela kwangaphambili iziphene ezinje nge-voids."“Sisebenzisane noLeonardo kunye neDyunivesithi yaseSalento (eLecce, eItali) ukuqonda iiparamitha kunye neMpembelelo yazo kumgangatho.Sisebenzisa le mifuziselo ukuphuhlisa le CCM entsha, apho sinokuba nobukhulu obuphezulu kodwa sinokufikelela umgangatho ophezulu.Ngale mizekelo, asikwazi nje ukwandisa ubushushu kunye noxinzelelo, kodwa sikwandise indlela yabo yeSicelo.Unokuphuhlisa ubuchule obuninzi bokusabalalisa ngokulinganayo ubushushu kunye noxinzelelo.Nangona kunjalo, kufuneka siqonde impembelelo yezi zinto kwiipropathi zoomatshini kunye nokukhula kwesiphene kwizakhiwo ezidibeneyo. ”
UPappadà uqhubeke wathi: “Itekhnoloji yethu ibhetyebhetye ngakumbi.Ngokunjalo, i-CCM yaphuhliswa kwiminyaka engama-20 eyadlulayo, kodwa akukho lwazi ngayo kuba iinkampani ezimbalwa eziyisebenzisayo azabelani ngolwazi nobuchule.Ke ngoko, kufuneka siqale ekuqaleni, kuphela Ngokusekwe ekuqondeni kwethu izinto eziyintlanganisela kunye nokusetyenzwa. ”
"Ngoku sihamba kwizicwangciso zangaphakathi kwaye sisebenzisana nabathengi ukufumana amacandelo obu buchwepheshe butsha," utshilo uCorvaglia."Ezi nxalenye zinokudinga ukuhlengahlengiswa kwaye zifaneleke phambi kokuba kuqale ukuveliswa."Ngoba?“Injongo kukwenza inqwelo-moya ibe lula kangangoko, kodwa ngexabiso elikhuphisanayo.Ngoko ke, kufuneka sikwandise ubukhulu.Nangona kunjalo, sinokufumanisa ukuba inxalenye enye inokunciphisa ubunzima, okanye ichonge iindawo ezininzi ezinemilo efanayo, ezinokonga iindleko zemali eninzi. "
Uphinde waphinda wathi ukuza kuthi ga ngoku, obu buchwepheshe busezandleni zabantu abambalwa.“Kodwa siye saphuhlisa obunye ubuchwephesha bokuzenzela ezi nkqubo ngokongeza ukubumba kweendaba eziphambili.Sifaka i-laminate esicaba kwaye emva koko sikhuphe inxalenye yayo, ilungele ukusetyenziswa.Sikwinkqubo yokuyila ngokutsha iinxalenye kunye nokuphuhlisa iindawo ezisicaba okanye ezineprofayili.Inqanaba leCCM.”
"Ngoku sinomgca wemveliso we-CCM oguquguqukayo kakhulu kwi-CETMA," utshilo uPappadà.“Apha sinokufaka uxinzelelo olwahlukeneyo njengoko lufuneka ukuze sifezekise iimilo ezintsonkothileyo.Umgca wemveliso esiza kuwuphuhlisa kunye noLeonardo uya kugxila ngakumbi ekuhlangabezaneni nezinto ezifunekayo.Sikholelwa ukuba imigca ye-CCM eyahlukeneyo ingasetyenziselwa iintambo ezisicaba kunye ne-L endaweni yeemilo ezintsonkothileyo.Ngale ndlela, xa kuthelekiswa noomatshini abakhulu abasetyenziswayo ngoku ukuvelisa iinxalenye ze-TPC ezintsonkothileyo zejometri, sinokwenza iindleko zesixhobo Zigcine ziphantsi.
I-CETMA isebenzisa i-CCM ukuvelisa i-stringers kunye neepaneli ezivela kwi-carbon fiber / i-PEKK ye-tape yendlela enye, kwaye isebenzise i-welding induction yale demonstrator ye-bundle ye-keel ukuze idibanise kwiprojekthi ye-Clean Sky 2 KEELBEMAN elawulwa yi-EURECAT.Umthombo| "Isibonisi sokuwelda imiqadi ye-thermoplastic keel siyenziwa."
"I-welding ye-induction inomdla kakhulu kwizinto ezidibeneyo, kuba ukushisa kunokulungelelaniswa kwaye kulawulwe kakuhle, ukufudumeza kukhawuleza kakhulu kwaye ulawulo luchanekile," kusho uPappadà.“Sikunye noLeonardo, siye saphuhlisa i-welding ye-induction ukuze sijoyine izinto ze-TPC.Kodwa ngoku sicinga ukusebenzisa i-induction welding ye-in-situ ukuhlanganiswa (ISC) ye-TPC tape.Ukuza kuthi ga ngoku, siye savelisa i-carbon fiber tape entsha, Inokufudunyezwa ngokukhawuleza ngokufakwa kwe-welding usebenzisa umatshini okhethekileyo.Iteyiphu isebenzisa izinto ezisisiseko ezifanayo njengeteyiphu yorhwebo, kodwa inolwakhiwo olwahlukileyo lokuphucula ukufudumeza kwe-electromagnetic.Ngelixa silungiselela iipropathi zoomatshini, sikwathathela ingqalelo inkqubo yokuzama ukuhlangabezana neemfuno ezahlukeneyo, ezinje ngendlela yokujongana nazo ngeendleko ezifanelekileyo nangokufanelekileyo ngomatshini.
Wabonisa ukuba kunzima ukufezekisa i-ISC kunye ne-TPC tape kunye nemveliso emihle.“Ukuze uyisebenzisele imveliso yemizi-mveliso, kufuneka ufudumeze kwaye uphole ngokukhawuleza kwaye usebenzise uxinzelelo ngendlela elawulwa kakhulu.Ke ngoko, sigqibe kwelokuba sisebenzise i-welding yokufudumeza indawo encinci kuphela apho izinto zidityaniswa khona, kwaye ezinye iiLaminates zigcinwa zibandayo.UPappadà uthi i-TRL ye-welding induction esetyenziselwa ukudibanisa iphezulu.“
Ukudityaniswa kwendawo kusetyenziswa ukufudumeza kwe-induction kubonakala kuphazamisa kakhulu-okwangoku, akukho omnye umboneleli we-OEM okanye umthengisi owenza oku esidlangalaleni.“Ewe, oku kunokuba bubuchwephesha obuphazamisayo,” utshilo uCorvaglia.“Sifake izicelo zamalungelo awodwa abenzi bomatshini kunye nemathiriyeli.Injongo yethu yimveliso efaniswa nezixhobo ezidibeneyo ze-thermoset.Abantu abaninzi bazama ukusebenzisa i-TPC ye-AFP (i-Automatic Fiber Placement), kodwa inyathelo lesibini kufuneka lidityaniswe.Ngokumalunga nejometri, lo ngumda omkhulu ngokweendleko, ixesha lomjikelo kunye nobungakanani benxalenye.Enyanisweni, sinokuyitshintsha indlela esivelisa ngayo iinxalenye ze-aerospace.”
Ukongeza kwi-thermoplastics, uLeonardo uyaqhubeka nokuphanda iteknoloji ye-RTM.“Le yenye indawo esisebenzisana kuyo neCETMA, kwaye uphuhliso olutsha olusekwe kubuchwephesha obudala (SQRTM kulo mba) lunikwe ilungelo elilodwa lomenzi wechiza.Ukubumba okufanelekileyo kokudluliselwa kwe-resin ekuqaleni kuphuhliswe yi-Radius Engineering (i-Salt Lake City, e-Utah, e-USA) (SQRTM).UCorvaglia uthe: “Kubalulekile ukuba ne-autoclave (OOA) indlela esivumela ukuba sisebenzise izinto esele zifanelekile.“Oku kukwasivumela ukuba sisebenzise iiprepregs ezineempawu neempawu ezaziwayo-kakuhle.Sisebenzise obu buchwepheshe ukuyila, ukubonisa kunye nokwenza isicelo selungelo elilodwa lomenzi wechiza kwizakhelo zeefestile zenqwelomoya.“
Ngaphandle kwe-COVID-19, i-CETMA isaqhuba inkqubo kaLeonardo, apha kuboniswa ukusetyenziswa kwe-SQRTM ukwenza iifestile zenqwelomoya zenqwelomoya ukuze zifezekise izinto ezingenasiphako kunye nokukhawulezisa ukwenza kwangaphambili xa kuthelekiswa nobugcisa beRTM bemveli.Ke ngoko, uLeonardo unokutshintsha iindawo ezintsonkothileyo zetsimbi kunye neenxalenye ezihlanganisiweyo zemesh ngaphandle kokuqhubekela phambili.Umthombo |CETMA, uLeonardo.
UPappadà wathi: “Obu bubuchwephesha bakudala, kodwa ukuba ungena kwi-Intanethi, awufumani nkcazelo ngobu buchwepheshe.”Kwakhona, sisebenzisa iimodeli zohlalutyo ukuqikelela kunye nokwandisa iiparamitha zenkqubo.Ngale teknoloji, sinokufumana ukuhanjiswa okulungileyo kwe-resin-akukho ndawo zomileyo okanye ukuqokelelwa kwe-resin-kwaye phantse zero porosity.Ngenxa yokuba sinokulawula umxholo wefiber, sinokuvelisa iimpawu eziphezulu kakhulu zesakhiwo, kwaye iteknoloji ingasetyenziselwa ukuvelisa iimilo ezinzima.Sisebenzisa izixhobo ezifanayo ezihlangabezana neemfuno zokunyanga i-autoclave, kodwa sebenzisa indlela ye-OOA, kodwa unokugqiba ukusebenzisa i-resin yokunyanga ngokukhawuleza ukunciphisa ixesha lomjikelo kwimizuzu embalwa.“
"Nangoku prepreg yangoku, sinciphise ixesha lokunyanga," utshilo uCorvaglia."Ngokomzekelo, xa kuthelekiswa nomjikelezo oqhelekileyo we-autoclave weeyure ze-8-10, kwiindawo ezifana neefestile zefestile, i-SQRTM ingasetyenziselwa iiyure ze-3-4.Ukushisa kunye noxinzelelo kusetyenziswa ngokuthe ngqo kwiindawo, kwaye ubunzima bokufudumala buncinci.Ukongeza, ukufudumeza kwe-resin engamanzi kwi-autoclave kukhawuleza kunomoya, kwaye umgangatho wamalungu nawo ugqwesile, oluncedo ngakumbi kwiimilo ezintsonkothileyo.Akukho kuphinda kusebenze, phantse i-zero voids kunye nomgangatho obalaseleyo womphezulu, kuba isixhobo sikuLawuli, hayi ibhegi yokucoca.
ULeonardo usebenzisa iintlobo ezahlukeneyo zetekhnoloji ukwenza izinto ezintsha.Ngenxa yophuhliso olukhawulezayo lwetekhnoloji, ikholelwa ukuba utyalo-mali kwi-R&D esemngciphekweni omkhulu (i-TRL ephantsi) ibalulekile kuphuhliso lobuchwepheshe obutsha obufunekayo kwiimveliso zexesha elizayo, ezidlula amandla ophuhliso ongezelelweyo (ixesha elifutshane) asele enawo iimveliso ezikhoyo. .Isicwangciso esiyintloko sikaLeonardo sika-2030 seR&D sidibanisa indibaniselwano enjalo yezicwangciso eziliqili zexesha elifutshane kunye nexesha elide, nto leyo engumbono omanyeneyo wenkampani ezinzileyo nekhuphisanayo.
Njengenxalenye yesi sicwangciso, iya kuphehlelela uLeonardo Labs, uthungelwano lwelebhu yeR&D yamazwe ngamazwe ezinikele kwi-R&D kunye nokusungula izinto ezintsha.Ngo-2020, inkampani iya kufuna ukuvula iilabhoratri zokuqala ezintandathu zikaLeonardo eMilan, eTurin, eGenoa, eRoma, eNaples naseTaranto, kwaye igaya abaphandi abangama-68 (abakwaLeonardo Research Fellows) abanezakhono kule mimandla ilandelayo): Iinkqubo ezingama-36 ezizimeleyo izikhundla zobukrelekrele bokwenziwa, uhlalutyo olukhulu lwedatha ezili-15, iikhompuyutha ezisebenza kakuhle ezi-6, ukufakelwa kombane kwiqonga leenqwelomoya ezi-4, izixhobo ezi-5 kunye nezakhiwo, kunye nobuchwepheshe obu-2 bequantum.ILebhu kaLeonardo iya kudlala indima yesithuba sokwenza izinto ezintsha kunye nomyili wetekhnoloji yekamva likaLeonardo.
Kuyaphawuleka ukuba itekhnoloji kaLeonardo ethengisiweyo kwinqwelomoya inokusetyenziswa nakumasebe omhlaba nawolwandle.Hlala ubukele uhlaziyo olungakumbi ngoLeonardo kunye nefuthe elinokubakho kwizinto ezidibeneyo.
I-matrix ibophelela i-fiber-reinforced material, inika icandelo elidibeneyo imilo yayo, kwaye imisela umgangatho wayo ophezulu.I-matrix edibeneyo ingaba yipolymer, i-ceramic, isinyithi okanye i-carbon.Esi sisikhokelo sokhetho.
Kwizicelo ezihlanganisiweyo, ezi microstructures ezingenanto zithatha indawo yomthamo omkhulu kunye nobunzima obuphantsi, kwaye zonyusa umthamo wokuqhuba kunye nomgangatho wemveliso.
Ixesha lokuposa: Feb-09-2021