litaba

Ka nako e telele ba itšetlehile ka thepa ea carbon-fiber ea thermoset bakeng sa ho etsa likarolo tse matla haholo tsa sebopeho sa sefofane, li-OEM tsa sefofane li se li amohela sehlopha se seng sa lisebelisoa tsa carbon-fiber kaha tsoelo-pele ea theknoloji e tšepisa ho etsoa ha likarolo tse ncha tse se nang thermoset ka theko e phahameng, theko e tlaase, le. boima bo bobebe.

Le ha thepa e kopaneng ea thermoplastic carbon-fiber "e bile teng nako e telele," haufinyane tjena baetsi ba sepakapaka ba ka nahana ka ts'ebeliso ea bona e atileng ha ba etsa likarolo tsa sefofane, ho kenyelletsa le likarolo tsa mantlha tsa sebopeho, ho boletse Stephane Dion, vp engineering setsing sa Collins Aerospace's Advanced Structures.

Li-composite tsa Thermoplastic carbon-fiber li ka fana ka li-OEM tsa sefofane melemo e mengata ho feta li-composites tsa thermoset, empa ho fihlela morao tjena bahlahisi ba ne ba sa khone ho etsa likarolo ho tsoa ho metsoako ea thermoplastic ka litheko tse phahameng le ka theko e tlase, o boletse joalo.

Lilemong tse hlano tse fetileng, li-OEM li se li qalile ho sheba ka nģ'ane ho ho etsa likarolo ho tloha thepa ea thermoset ha boemo ba karolo ea carbon-fiber composite karolo ea saense e ntse e tsoela pele, pele ho sebelisa infusion ea resin le mekhoa ea ho fetisa resin (RTM) ho etsa likarolo tsa lifofane, 'me joale. ho sebelisa metsoako ea thermoplastic.

GKN Aerospace e tsetelitse haholo ho nts'etsopele ea eona ea ho kenya resin-infusion le theknoloji ea RTM bakeng sa ho etsa likarolo tse kholo tsa sebopeho sa lifofane ka mokhoa o fumanehang le ka litheko tse phahameng. Hona joale GKN e etsa sebaka sa bolelele ba limithara tse 17, se nang le sekhechana se le seng sa mapheo se sebelisa tlhahiso ea resin infusion, ho latela Max Brown, vp ea theknoloji bakeng sa morero oa GKN Aerospace's Horizon 3 advanced-technologies.

Matsete a maholo a tlhahiso ea li-OEM lilemong tse 'maloa tse fetileng le ona a kenyelelitse ho sebelisa chelete ka mokhoa o hlophisehileng ho ntlafatsa bokhoni ba ho lumella tlhahiso e phahameng ea likarolo tsa thermoplastic, ho latela Dion.

Phapang e hlokomelehang haholo lipakeng tsa thepa ea thermoset le thermoplastic e mabapi le taba ea hore lisebelisoa tsa thermoset li tlameha ho bolokoa ka polokelong e batang pele li bōptjoa ho ba likarolo, 'me hang ha li bōptjoa, karolo ea thermoset e tlameha ho phekoloa lihora tse ngata ka har'a autoclave. Ts'ebetso e hloka matla le nako e ngata, kahoo litšenyehelo tsa tlhahiso ea likarolo tsa thermoset li lula li le holimo.

Ho phekola ho fetola sebopeho sa limolek'hule tsa motsoako oa thermoset ka tsela e ke keng ea fetoloa, ho fa karolo eo matla a eona. Leha ho le joalo, mokhahlelong oa hajoale oa nts'etsopele ea thekenoloji, pheko e boetse e etsa hore thepa e karolong e se be ea loketseng ho sebelisoa hape ka karolo ea mantlha ea sebopeho.

Leha ho le joalo, lisebelisoa tsa thermoplastic ha li hloke polokelo e batang kapa ho baka ha li etsoa likarolo, ho latela Dion. Li ka hatisoa ka sebopeho sa ho qetela sa karolo e bonolo-brakete e 'ngoe le e' ngoe bakeng sa liforeimi tsa fuselage ho Airbus A350 ke karolo ea motsoako oa thermoplastic-kapa sethaleng sa bohareng sa karolo e rarahaneng haholoanyane.

Lisebelisoa tsa thermoplastic li ka kopanngoa hammoho ka mekhoa e fapaneng, ho lumella likarolo tse rarahaneng, tse bōpehileng haholo hore li etsoe ka likaroloana tse bonolo. Kajeno, welding ea induction e sebelisoa haholo-holo, e lumellang feela likarolo tse bataletseng, tse botenya bo sa feleng hore li etsoe ka likaroloana, ho latela Dion. Leha ho le joalo, Collins o ntse a nts'etsapele mekhoa ea ho thothomela le ea likhohlano bakeng sa ho kopanya likarolo tsa thermoplastic, tseo hang ha li netefalitsoe hore li tla li lumella ho hlahisa "mehaho e rarahaneng e tsoetseng pele haholo," o boletse joalo.

Bokhoni ba ho kopanya lisebelisoa tsa thermoplastic ho etsa meaho e rarahaneng e lumella bahlahisi ho felisa likurufu tsa tšepe, li-fasteners le lihokelo tse hlokoang ke likarolo tsa thermoset bakeng sa ho kopanya le ho mena, ka hona ho etsa phaello ea phokotso ea boima ba liperesente tse 10, likhakanyo tsa Brown.

Leha ho le joalo, metsoako ea thermoplastic e tlamahane hantle le tšepe ho feta ho etsa metsoako ea thermoset, ho latela Brown. Le ha R&D ea indasteri e ikemiselitseng ho nts'etsapele lits'ebetso tse sebetsang bakeng sa thepa eo ea thermoplastic e ntse e le "maemong a ho itokisetsa theknoloji ea pele," e kanna ea lumella lienjiniere tsa sefofane ho rala likarolo tse nang le meaho e kopaneng ea thermoplastic le tšepe.

Kopo e le 'ngoe, mohlala, e ka ba setulo sa mopalami se bobebe, se bobebe se nang le li-circuitry tsa tšepe tse hlokahalang bakeng sa sebopeho se sebelisoang ke mopalami ho khetha le ho laola likhetho tsa hae tsa boithabiso ba sefofane, mabone a litulo, fene e holimo. , setulo se laoloang ka mokhoa oa elektronike, ho se khanye ha moriti oa lifensetere, le mesebetsi e meng.

Ho fapana le lisebelisoa tsa thermoset, tse hlokang ho phekoloa ho hlahisa ho satalla, matla le sebopeho se hlokahalang likarolong tseo li entsoeng ho tsona, limolek'hule tsa thepa ea motsoako oa thermoplastic ha li fetohe ha li etsoa likarolo, ho latela Dion.

Ka lebaka leo, thepa ea thermoplastic e hanana le ho robeha haholo ho feta thepa ea thermoset ha e ntse e fana ka matla le matla a tšoanang, haeba a se matla. "Kahoo o ka rala [likarolo] ho ea ho li-gauge tse tšesaane haholo," ho boletse Dion, ho bolelang hore likarolo tsa thermoplastic li boima bo tlase ho feta likarolo life kapa life tsa thermoset tseo li li nkelang sebaka, ntle le ho fokotsa boima ba 'mele ka lebaka la hore likarolo tsa thermoplastic ha li hloke likurufu tsa tšepe kapa li-fasteners. .

Ho tsosolosa likarolo tsa thermoplastic le hona ho lokela ho paka mokhoa o bonolo ho feta ho tsosolosa likarolo tsa thermoset. Boemong ba hajoale ba thekenoloji (le nako e tlang), liphetoho tse ke keng tsa fetoloa sebopehong sa limolek'hule tse hlahisoang ka ho phekola lisebelisoa tsa thermoset li thibela tšebeliso ea lisebelisoa tse nchafalitsoeng ho etsa likarolo tse ncha tsa matla a lekanang.

Ho sebelisa hape likarolo tsa thermoset ho kenyelletsa ho sila likhoele tsa khabone tse ka har'a thepa hore li be bolelele bo nyane le ho chesa motsoako oa faeba-le-resin pele o o lokisa hape. Thepa e fumanoeng bakeng sa ts'ebetso e fokotsehile ho feta ea thermoset eo karolo e tsosolositsoeng e entsoeng ka eona, kahoo ho sebelisa likarolo tsa thermoset ho tse ncha hangata ho fetola "mohaho oa bobeli hore e be oa thuto e phahameng," ho boletse Brown.

Ka lehlakoreng le leng, hobane likarolo tsa limolek'hule tsa likarolo tsa thermoplastic ha li fetohe mekhoeng ea ho etsa likarolo le ho kopanya likarolo, li ka qhibiliha feela hore e be mokelikeli ebe oa khutlisoa ho ba likarolo tse matla joalo ka tsa mantlha, ho latela Dion.

Baqapi ba lifofane ba ka khetha mefuta e mengata e fapaneng ea thepa ea thermoplastic e fumanehang ho khetha ho tloha ho rala le ho etsa likarolo. "Ho na le mefuta e mengata e fapaneng ea li-resin" tseo ho tsona li-filaments tsa carbon fiber tse nang le lehlakore le le leng kapa li-weave tse nang le mahlakore a mabeli li ka kenngoa, ho hlahisa thepa e fapaneng, ho boletse Dion. "Li-resin tse monate ka ho fetisisa ke li-resin tse qhibilihang ka tlaase," tse qhibilihang ka mocheso o batlang o le tlaase 'me kahoo li ka bōptjoa le ho etsoa ka mocheso o tlaase.

Likarolo tse fapaneng tsa thermoplastics le tsona li fana ka thepa e fapaneng ea ho satalla (e phahameng, e mahareng le e tlase) le boleng ka kakaretso, ho latela Dion. Li-resin tsa boleng bo phahameng ka ho fetisisa li bitsa chelete e ngata, 'me ho khoneha ho emela serethe sa Achilles bakeng sa thermoplastics ha e bapisoa le thepa ea thermoset. Ka tloaelo, li bitsa chelete e ngata ho feta li-thermosets, 'me baetsi ba lifofane ba tlameha ho nahana ka taba eo ka lipalo tsa bona tsa theko / melemo ea moralo, ho boletse Brown.

Karolo e 'ngoe ka lebaka leo, GKN Aerospace le tse ling li tla tsoela pele ho tsepamisa maikutlo haholo ho thepa ea thermoset ha ho etsoa likarolo tse kholo tsa sebopeho sa lifofane. Ba se ba ntse ba sebelisa thepa ea thermoplastic haholo ho etsa likarolo tse nyane tsa meralo joalo ka empennages, rudders le spoilers. Leha ho le joalo, haufinyane, ha tlhahiso ea likarolo tse phahameng tsa thermoplastic e theko e tlase e fetoha tloaelo, baetsi ba tsona ba tla li sebelisa haholo-haholo-holo 'marakeng o ntseng o hola oa eVTOL UAM, ho phethela Dion.

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