Iyo inotakurika kit inogona kugadziriswa neUV-inorapika fiberglass/vinyl ester kana kabhoni faibha/epoxy prepreg yakachengetwa mukamuri tembiricha uye bhatiri-powered kurapa michina.#insidemanufacturing #infrastructure
UV-inorapika prepreg chigamba kugadzirisa Kunyangwe iyo kabhoni fiber/epoxy prepreg kugadzirisa yakagadziridzwa neCustom Technologies LLC yeiyo infield composite bhiriji yakaratidza kuve nyore uye nekukurumidza, kushandiswa kwegirazi fiber yakasimbiswa UV-inorapika vinyl ester resin Prepreg yakagadzira imwe nzira iri nyore. .Mufananidzo kunobva: Custom Technologies LLC
Modular deployable mabhiriji zvinhu zvakakosha zvemauto tactical mashandiro uye logistics, pamwe nekudzoreredza kwezvifambiso zvekufambisa panguva dzenjodzi dzinongoitika dzoga.Zvimiro zvakaumbwa zviri kudzidziswa kuderedza huremu hwemabhiriji akadaro, nekudaro kuderedza mutoro pamotokari dzekutakura uye nzira dzekutanga-kudzoreredza.Kuenzaniswa nemabhiriji esimbi, zvinhu zvakaumbwa zvinewo mukana wekuwedzera kutakura mutoro uye kuwedzera hupenyu hwebasa.
Iyo Advanced Modular Composite Bridge (AMCB) muenzaniso.Seemann Composites LLC (Gulfport, Mississippi, US) uye Materials Sciences LLC (Horsham, PA, US) inoshandisa carbon fiber-reinforced epoxy laminates (Mufananidzo 1).) Kugadzira uye kuvaka).Nekudaro, kugona kugadzirisa zvimiro zvakadaro mumunda yanga iri nyaya inotadzisa kutorwa kwezvinhu zvinoumbwa.
Mufananidzo 1 Composite bhiriji, kiyi infield asset Advanced Modular Composite Bridge (AMCB) yakagadzirwa uye yakavakwa neSeemann Composites LLC uye Materials Sciences LLC vachishandisa kabhoni fiber yakasimbiswa epoxy resin composites.Mufananidzo kunobva: Seeman Composites LLC (kuruboshwe) uye Mauto eUS (kurudyi).
Muna 2016, Custom Technologies LLC (Millersville, MD, US) yakagamuchira US Army-inotsigirwa nemari Diki Bhizinesi Innovation Research (SBIR) Phase 1 mvumo yekugadzira nzira yekugadzirisa inogona kubudirira kuitwa pa-saiti nemasoja.Zvichienderana nemaitiro aya, chikamu chechipiri chekupihwa kweSBIR chakapihwa muna 2018 kuratidza zvinhu zvitsva uye midziyo ine bhatiri, kunyangwe chigamba chikaitwa neanovice asina kudzidziswa, 90% kana kupfuura yechimiro chinogona kudzoserwa Raw. simba.Iko kugona kweiyo tekinoroji kunotarirwa nekuita nhevedzano yekuongorora, kusarudzwa kwezvinhu, kugadzirwa kwemuenzaniso uye michina yekuyedza mabasa, pamwe nediki-diki uye yakazara-chiyero kugadzirisa.
Muongorori mukuru muzvikamu zviviri zveSBIR ndiMichael Bergen, muvambi uye mutungamiri weCustom Technologies LLC.Bergen akasiya basa kubva kuCarderock yeNaval Surface Warfare Center (NSWC) uye akashanda muDhipatimendi reStructures and Materials kwemakore makumi maviri nemanomwe, kwaakakwanisa kusimudzira nekushandiswa kwematekinoroji akaumbwa muzvikepe zveUS Navy.Dr. Roger Crane vakabatana neCustom Technologies muna 2015 mushure mekusiya basa kubva kuUS Navy muna 2011 uye vakashanda kwemakore makumi matatu nemaviri.Hunyanzvi hwake hwezvinhu zvinosanganiswa hunosanganisira zvinyorwa zvehunyanzvi uye patents, zvinofukidza misoro senge zvinhu zvitsva zvinosanganiswa, prototype kugadzira, nzira dzekubatanidza, multifunctional composite zvinhu, zvimiro zvehutano zvekutarisa, uye composite zvinhu kudzoreredza.
Nyanzvi mbiri idzi dzakagadzira nzira yakasarudzika inoshandisa zvinhu zvakaumbwa kugadzirisa makatsemuka mualuminium superstructure yeTiconderoga CG-47 class guided missile cruiser 5456. kutsiva bhodhi repuratifomu remadhora maviri kusvika mana,” akadaro Bergen.“Saka takaratidza kuti tinoziva kugadzirisa kunze kwerabhoritari uye munzvimbo yebasa chairo.Asi dambudziko nderekuti nzira dzazvino dzemidziyo yemauto hadzisi kubudirira zvakanyanya.Sarudzo inosungirirwa duplex kugadzirisa [kunyanya munzvimbo dzakakanganisika Namata bhodhi kumusoro] kana kubvisa iyo asset kubva pabasa rekuchengetedza-level (D-level) kugadzirisa.Nekuti gadziriso yeD-level inodiwa, midziyo yakawanda inoiswa parutivi. "
Vakaenderera mberi vachiti chinodiwa inzira inogona kuitwa nemasoja asina ruzivo rwezvinhu zvakaumbwa, achingoshandisa makiti nemabhuku ekuchengetedza.Chinangwa chedu ndechekuita kuti maitiro ave nyore: verenga bhuku rekushandisa, ongorora kukuvara uye kugadzirisa.Isu hatidi kusanganisa resins yemvura, sezvo izvi zvinoda kuyerwa chaiko kuti tive nechokwadi chekurapa kwakazara.Tinodawo system isina tsvina ine ngozi mushure mekugadzirisa.Uye inofanira kuiswa sekiti inogona kuendeswa netiweki iripo.”
Imwe mhinduro iyo Custom Technologies yakabudirira kuratidza ikiti inotakurika inoshandisa yakaomeswa epoxy adhesive kugadzirisa inonamira inoumba chigamba zvichienderana nekukura kwekukuvadzwa (kusvika gumi nemaviri masikweya inches).Kuratidzira uku kwakapedzwa pachinhu chakaumbwa chinomiririra 3-inch gobvu AMCB deki.Iyo inoumbwa zvinhu ine 3-inch gobvu balsa huni core (15 pounds per cubic foot density) uye maviri akaturikidzana eVectorply (Phoenix, Arizona, US) C -LT 1100 carbon fiber 0°/90° biaxial yakasonwa jira, imwe layer ye C-TLX 1900 kabhoni faibha 0 °/+45°/-45° matatu shafts uye maviri akaturikidzana eC-LT 1100, anokwana zvidimbu zvishanu."Takasarudza kuti kit ichashandisa zvigamba zvakagara zvakagadzirirwa mune quasi-isotropic laminate yakafanana neyakawanda-axis kuitira kuti jira risave dambudziko," akadaro Crane.
Nyaya inotevera ndeye resin matrix inoshandiswa kugadzirisa laminate.Kuti udzivise kusanganisa resin yemvura, chigamba chichashandisa prepreg."Zvisinei, matambudziko aya ndeekuchengetedza," Bergen akatsanangura.Kugadzira storeable patch solution, Custom Technologies yakabatana neSunrez Corp. (El Cajon, California, USA) kugadzira girazi fiber / vinyl ester prepreg inogona kushandisa ultraviolet chiedza (UV) mumaminitsi matanhatu Chiedza chekuporesa.Yakabatanawo neGougeon Brothers (Bay City, Michigan, USA), iyo yakakurudzira kushandiswa kwefirimu itsva inoshanduka epoxy.
Zvidzidzo zvepakutanga zvakaratidza kuti epoxy resin ndiyo inonyanya kukodzera resin yekabhoni fiber prepregs-UV-inorapika vinyl ester uye translucent girazi faibha inoshanda zvakanaka, asi hairape pasi pechiedza-kuvhara kabhoni faibha.Kubva pafirimu idzva reGougeon Brothers, epoxy prepreg yekupedzisira inorapwa kweawa imwe pa210°F/99°C uye ine hurefu hwesherufu patembiricha yepakamuri-hapana chinodiwa chekuchengetedza kudziya kwakaderera.Bergen akataura kuti kana tembiricha yepamusoro yegirazi (Tg) ichidikanwa, resin inorapwa patembiricha yakakwira, senge 350 ° F/177 ° C.Ese maviri prepregs anopiwa mune inotakurika kugadzirisa kit senge stack ye prepreg zvigamba zvakanamirwa mu envelopu yefirimu repurasitiki.
Sezvo kit yekugadzirisa inogona kuchengetwa kwenguva yakareba, Custom Technologies inodiwa kuti iite chidzidzo chehupenyu hwesherufu."Takatenga zvivharo zvina zvepurasitiki zvakaoma - rudzi rwechiuto runoshandiswa mumidziyo yekufambisa - uye takaisa epoxy adhesive uye vinyl ester prepreg munzvimbo imwe neimwe," Bergen akadaro.Mabhokisi aya akabva aiswa munzvimbo ina dzakasiyana dzekuyedzwa: denga refekitari yeGougeon Brothers muMichigan, denga renhandare yendege yeMaryland, nzvimbo yekunze muYucca Valley (California desert), nerabhoritari yekunze yekuongorora ngura kumaodzanyemba kweFlorida.Mhosva dzese dzine vatori ve data, Bergen anoti, "Isu tinotora data uye masampuli ezvinyorwa kuti tiongororwe mwedzi mitatu yega yega.Iyo yakanyanya tembiricha yakanyorwa mumabhokisi muFlorida neCalifornia i140 ° F, iyo yakanaka kune akawanda ekudzorera resin.Idenho chaiyo.”Mukuwedzera, Gougeon Brothers mukati vakaedza iyo ichangobva kugadzirwa yakachena epoxy resin."Samples akaiswa muovheni pa120 ° F kwemwedzi yakati wandei anotanga kuita polymeri," Bergen akadaro."Zvisinei, kumasampuli anowirirana akachengetwa pa110 ° F, kemisitiri yeresin yakangovandudzwa nediki."
Kugadziriswa kwacho kwakasimbiswa pabhodhi rekuyedza uye iyi modhi ye AMCB, iyo yakashandisa iyo yakafanana laminate uye yakakosha zvinhu sebhiriji rekutanga rakavakwa naSeemann Composites.Mufananidzo kunobva: Custom Technologies LLC
Kuti uratidze maitiro ekugadzirisa, mumiriri we laminate anofanira kugadzirwa, kukuvara uye kugadziriswa."Muchikamu chekutanga chepurojekiti, takatanga kushandisa zviduku zvishoma 4 x 48-inch matanda uye maitiro mana ekukotama miedzo kuti tiongorore kukwanisa kwekugadzirisa kwedu," akadaro Klein."Zvadaro, takachinjira kune 12 x 48 inch mapaneru muchikamu chechipiri chepurojekiti, takaisa mitoro kugadzira biaxial kusagadzikana mamiriro kukonzeresa kutadza, tobva taongorora mashandiro ekugadzirisa.Muchikamu chechipiri, takapedzawo modhi yeAMCB yatakavaka Maintenance. "
Bergen akataura kuti dare rekuyedza rakashandiswa kuratidza mashandiro ekugadzirisa rakagadzirwa richishandiswa mutsara wakafanana wemalaminates uye zvinhu zvepakati se AMCB yakagadzirwa naSeemann Composites, "asi isu takadzikisa ukobvu hwepanji kubva pa 0.375 inches kusvika 0.175 inches, zvichibva pane parallel axis theorem. .Izvi ndizvo zvazviri.Iyo nzira, pamwe chete nezvimwe zvekuwedzera zveiyo beam theory uye classical laminate theory [CLT], yakashandiswa kubatanidza iyo nguva ye inertia uye inoshanda kuomarara kweiyo yakazara-scale AMCB ine diki-saizi demo chigadzirwa chiri nyore kubata uye nezvimwe. inodhura-inoshanda.Zvadaro, isu The finite element analysis [FEA] modhi yakagadziridzwa neXCraft Inc. (Boston, Massachusetts, USA) yakashandiswa kuvandudza magadzirirwo ezvivakwa."Iyo kabhoni fiber jira rinoshandiswa pabvunzo mapaneru uye iyo AMCB modhi yakatengwa kubva kuVectorply, uye iyo balsa musimboti yakagadzirwa neCore Composites (Bristol, RI, US) yakapihwa.
Danho 1. Iyi test panel inoratidza 3 inch buri dhayamita kutevedzera kukuvadzwa kwakanyorwa pakati uye kugadzirisa denderedzwa.Mufananidzo sosi yematanho ese: Tsika Technologies LLC.
Nhanho 2. Shandisa bhatiri-powered manual grinder kuti ubvise zvinhu zvakakanganisika uye uvhare chigamba chekugadzirisa ne 12: 1 taper.
"Tinoda kutevedzera mwero wepamusoro wekukuvadza pabhodhi rekuyedza kupfuura zvingaonekwa padheki rebhiriji mumunda," Bergen akatsanangura.“Saka nzira yedu ndeyekushandisa buri resaha kugadzira buri re3-inch diameter.Zvadaro, tinobudisa puragi yechinhu chakakanganisika uye toshandisa grinder yepneumatic inobatwa nemaoko kugadzira sikavha ye12:1.
Crane yakatsanangura kuti kugadziridza kabhoni fiber / epoxy, kana iyo "yakakuvadzwa" yepaneru yabviswa uye sikavha yakakodzera ikaiswa, prepreg ichachekwa kuhupamhi nekureba kuti ienderane netaper yenzvimbo yakakanganisika."Kune yedu yekuyedza pani, izvi zvinoda mana akaturikidzana eprepreg kuchengetedza zvinhu zvekugadzirisa zvinoenderana nepamusoro peiyo yekutanga isina kukuvara kabhoni pani.Mushure meizvozvo, iwo matatu anovhara akaturikidzana ekabhoni/epoxy prepreg anotariswa pane ino Pachikamu chakagadziriswa.Nhepfenyuro imwe neimwe inotevedzana inotambanudza 1 inch kumativi ese epasi, iyo inopa kutamiswa zvishoma nezvishoma kubva pane "yakanaka" yakatenderedza kuenda kunzvimbo yakagadziriswa.Nguva yose yekuita izvi kugadzirisa-kusanganisira kugadzirisa nzvimbo yekugadzirisa, Kucheka nekuisa zvinhu zvekudzorera uye kushandisa nzira yekurapa-inenge maawa 2.5.
Kune kabhoni faibha/epoxy prepreg, nzvimbo yekugadzirisa inovharwa uye inorapwa pa210°F/99°C kweawa imwe chete uchishandisa bhatiri-powered thermal bonder.
Kunyangwe kugadzirisa kabhoni/epoxy kuri nyore uye nekukurumidza, timu yakaziva kudiwa kwemhinduro iri nyore yekudzoreredza kuita.Izvi zvakakonzera kuongororwa kweultraviolet (UV) kurapa prepregs."Kufarira kweSunrez vinyl ester resin kunobva pane zvakaitika kare zvemugungwa nemuvambi wekambani Mark Livesay," Bergen akatsanangura."Takatanga kupa Sunrez jira regirazi requasi-isotropic, tichishandisa vinyl ester prepreg yavo, uye tikaongorora curve yekurapa mumamiriro akasiyana.Pamusoro pezvo, nekuti tinoziva kuti vinyl ester resin haina kufanana ne epoxy resin Iyo inopa yakakodzera yechipiri adhesion performance, saka kumwe kuedza kunodiwa kuongorora akasiyana adhesive layer coupling agents uye kuona kuti ndeipi yakakodzera kunyorera.
Rimwe dambudziko nderekuti girazi fibers haigone kupa zvakafanana mechanical properties se carbon fibers."Kuenzaniswa nekabhoni / epoxy patch, dambudziko iri rinogadziriswa nekushandisa imwe girasi / vinyl ester," akadaro Crane."Chikonzero nei imwe chete yekuwedzera dhizaini ichidikanwa ndechekuti girazi zvinhu ijira rinorema."Izvi zvinogadzira chigamba chakakodzera chinogona kuiswa uye kusanganiswa mukati memaminitsi matanhatu kunyangwe pakutonhora kwakanyanya / kutonhora mukati memhepo.Kurapa pasina kupa kupisa.Crane yakataura kuti basa rekugadzirisa iri rinogona kupera mukati meawa.
Zvose zvigamba zvirongwa zvakaratidzwa uye zvakaedzwa.Pakugadzirisa kwega kwega, nzvimbo ichakuvadzwa yakanyorwa (nhanho 1), yakagadzirwa negomba saw, uye inobviswa uchishandisa bhatiri-powered manual grinder (danho 2).Zvadaro cheka nzvimbo yakagadziriswa kuita 12: 1 taper.Chenesa pamusoro pechirafu nedoro pad (nhanho 3).Zvadaro, cheka chigamba chekugadzirisa kune imwe saizi, chiise panzvimbo yakacheneswa (nhanho 4) uye uisimbise ne roller kubvisa mabhubhu emhepo.Kune girazi faibha/UV-inorapa vinyl ester prepreg, wobva waisa yekuburitsa layer panzvimbo yakagadziriswa uye rapa chigamba netambo isina tambo yeUV rambi kwemaminetsi matanhatu (danho 5).Kune kabhoni fiber/epoxy prepreg, shandisa pre-programmed, one-bhatani, bhatiri-powered thermal bonder kuti vacuum pack uye kurapa nzvimbo yakagadziridzwa pa210°F/99°C kweawa imwe chete.
Danho 5. Mushure mekuisa peeling layer panzvimbo yakagadziriswa, shandisa tambo isina cordless UV rambi kuti uporese chigamba kwemaminitsi matanhatu.
"Ipapo takaita bvunzo kuti tiongorore kunamatira kwechigamba uye kugona kwayo kudzoreredza kutakura mutoro wechimiro," Bergen akadaro."Muchikamu chekutanga, isu tinofanirwa kuratidza kureruka kwekushandisa uye kugona kudzoreredza 75% yesimba.Izvi zvinoitwa nemapoinzi mana-kukotama pane 4 x 48 inch kabhoni fiber/epoxy resin uye balsa core beam mushure mekugadzirisa kukuvara kwakafananidzirwa.Ehe.Chikamu chechipiri chepurojekiti chakashandisa 12 x 48 inch panel, uye inofanira kuratidza zvinopfuura 90% simba rinodiwa pasi pemitoro yakaoma.Takasangana nezvinodiwa izvi zvese, ndokuzotora mifananidzo nzira dzekugadzirisa pane AMCB modhi.Maitiro ekushandisa infield tekinoroji nemidziyo kupa chinotaridzika. "
Chinhu chakakosha chepurojekiti kuratidza kuti manovices anogona kupedzisa kugadzirisa zviri nyore.Nechikonzero ichi, Bergen akafunga kuti: “Ndakavimbisa kuratidzira kune vaviri vatinosangana navo muUto: Dr. Bernard Sia naAshley Genna.Mukuongorora kwekupedzisira kwechikamu chekutanga chepurojekiti, ndakakumbira kusagadziriswa.Ashley ane ruzivo akaita kugadzirisa.Achishandisa kit uye bhuku rekushandisa zvatakamupa, akaisa chigamba ndokupedza kugadzira pasina dambudziko. "
Mufananidzo 2 Iyo bhatiri-powered kurapa pre-yakagadzirirwa, bhatiri-powered thermal bonding muchina unogona kurapa kabhoni fiber / epoxy kugadzirisa patch pakudzvanya kwebhatani, pasina kudiwa kweruzivo rwekugadzirisa kana kurapa kutenderera chirongwa.Mufananidzo kunobva: Custom Technologies, LLC
Imwe budiriro yakakosha ndeye bhatiri-powered kurapa system (Mufananidzo 2)."Kuburikidza nekugadzirisa infield, iwe unongova nesimba rebhatiri," Bergen akadaro."Yese michina yekushandisa mukiti yekugadziridza yatakagadzira haina waya."Izvi zvinosanganisira bhatiri-powered thermal bonding yakagadzirwa pamwe chete neCustom Technologies uye thermal bonding machine supplier WichiTech Industries Inc. (Randallstown, Maryland, USA) muchina."Iyi bhatiri-powered thermal bonder yakafanorongwa kuti ipedze kurapa, saka manovices haafanire kuronga chirongwa chekurapa," Crane akadaro."Vanongoda kudzvanya bhatani kuti vapedze rampu chaiyo uye kunyura."Mabhatiri ari kushandiswa pari zvino anogona kugara kwegore asati afanira kuchajwa.
Nekupedzwa kwechikamu chechipiri chepurojekiti, Custom Technologies iri kugadzirira yekutevera mazano ekuvandudza uye kuunganidza mavara ekufarira nerutsigiro."Chinangwa chedu ndechekukura tekinoroji iyi kuTRL 8 uye kuiunza kumunda," akadaro Bergen."Isu tinoona zvakare mukana wekunyorera zvisiri zvechiuto."
Inotsanangura hunyanzvi hwekare kuseri kweiyo indasitiri yekutanga simbi yekusimbisa, uye ine yakadzama nzwisiso yefiber sainzi itsva uye budiriro yeramangwana.
Kuuya nekukurumidza uye kubhururuka kekutanga, iyo 787 inovimba nehunyanzvi mune zvakaumbwa zvinhu uye maitiro kuzadzisa zvinangwa zvayo.
Nguva yekutumira: Sep-02-2021