Cov khoom siv uas txawb tau tuaj yeem kho tau nrog UV-clect fiberglass / yas ester lossis carbon fiber ntau dua ntawm chav tsev kub thiab roj teeb nqa cov khoom siv. #insidemanufaregracturing #macfrastructure
UV-Curreg Thaj Chaw Kho Vaj Huam Sib Luag Cov. Cov Duab Hauv: Cov thev naus laus zis kev cai LLC
Modular deployarable Txuas hniav yog cov khoom tseem ceeb rau cov tub rog kev ua tub rog thiab Logistics, nrog rau kev hloov kho cov tsev loj thaum muaj kev puas tsuaj ntuj tsim txom. Composite qauv tau kawm los txo qhov hnyav ntawm xws li choj, yog li txo lub nra ntawm kev thauj tsheb thiab kev nce qib. Piv nrog cov choj txuas ntxiv, cov khoom siv puas yog muaj peev xwm ua kom muaj peev xwm ua kom muaj peev xwm thauj khoom thiab txuas ntxiv lub neej.
Tus tshaj lij modular plosite choj (AMCB) yog ib qho piv txwv. Zoo liann composites lLC (Gulfport, Mississippi, Asmeskas) thiab cov ntaub ntawv kawm ntawv LLC (Horseghan-eple-aylecisfed Epoxy laminy (daim duab 1). ) Tsim qauv thiab kev tsim kho). Txawm li cas los xij, lub peev xwm los kho cov qauv zoo li no nyob hauv daim teb tau yog qhov teeb meem uas cuam tshuam cov khoom siv sib xyaw.
Daim duab 1 Txuj Ci Choj, Cov Infield Asset Advanced Qauv Modular CLC thiab tsim cov ntaub ntawv LLC (AMCB) tau tsim qauv LLC siv cov fiber ntxiv epoxy Resin Composites. Cov Duab Seem: Qhov kev sib xyaw ua ke LLC (sab laug) thiab Asmeskas cov tub rog (txoj cai).
Xyoo 2016, kev cai thev naus laus zis thev naus laus zis (Millersville, Mil, tau txais kev tshawb fawb me me uas tuaj yeem ua tiav ntawm cov tub rog. Raws li txoj hauv kev no, qhov thib ob theem ntawm SBIR Grant tau muab rau cov khoom tshiab thiab cov roj teeb uas tsis muaj kev kawm ua ntej lub zog. Qhov ua tau ntawm cov thev naus laus zis yog txiav txim siab los ntawm kev tshuaj xyuas cov txheej txheem, cov khoom siv, tshuaj ntsuam xyuas cov haujlwm thiab cov khoom me me thiab cov txheej txheem puv.
Tus kws tshawb fawb tseem ceeb hauv ob lub ntsej muag sbir yog Michael Bergen, tus tsim thiab tus thawj tswj hwm ntawm Kev Cai Technologies LLC. Bergen so haujlwm los ntawm Carderock ntawm Naval Deget Center (NswC) thiab nws tau pab rau cov txheej txheem kev txhim kho thiab kev sau cov cuab yeej hauv Tebchaws Asmeskas Navy's Fleet. Dr. Roger Crane Koom Haum Kev Siv Tshuab xyoo 2015 Tom qab so haujlwm los ntawm Asmeskas Navy hauv 2011 thiab tau ua haujlwm rau 32 xyoo. Nws cov khoom siv sib xyaw ua ke muaj cov ntaub ntawv luam tawm thiab cov ntaub ntawv sib dhos xws li cov ntaub ntawv sib xyaw, cov qauv kev sib txuas, kev tshuaj xyuas kev noj qab haus huv zoo, thiab tsim cov qauv kev noj qab haus huv.
Ob tus kws tshaj lij tau tsim cov txheej txheem tshwj xeeb uas siv cov khoom siv sib xyaw los kho cov kab nrib pleb Ticondoga CG-47 Txhawm rau hloov ntawm lub pawg board ntawm 2 txog 4 lab las, "Bergen tau hais. "Yog li peb muaj pov thawj tias peb paub yuav ua li cas ua kom cov kev hloov pauv sab nraum chav kuaj thiab hauv qhov chaw ua haujlwm tiag. Tab sis qhov kev sib tw yog tias cov cuab yeej xyaum ua tub rog tam sim no tsis muaj kev vam meej heev. Cov kev xaiv yog deluplex kho [cia li nyob rau hauv cov kab dej uas puas tsuaj rau sab saum toj] lossis tshem tawm cov cuab tam rau cov chaw ua haujlwm rau chaw ua haujlwm rau chaw ua haujlwm rau kev kho. Vim tias D-qib kev kho yog qhov yuav tsum tau ua, ntau cov cuab tam tau muab tso rau ib sab. "
Nws tau mus hais tias dab tsi uas xav tau yog ib txoj kev uas tuaj yeem ua los ntawm cov tub rog uas tsis muaj kev paub dhau los, tsuas yog siv cov khoom siv thiab kho cov phau ntawv kho. Peb lub hom phiaj yog ua kom cov txheej txheem yooj yim: Nyeem phau ntawv, ntsuas qhov kev puas tsuaj thiab kev kho vaj tse. Peb tsis xav sib xyaw ua kua resins, raws li qhov no yuav tsum tau ntsuas ntsuas kom ua tiav. Peb kuj xav tau lub kaw lus uas tsis muaj kev phom sij tom qab kho tau tiav. Thiab nws yuav tsum tau ntim ua cov khoom siv uas tuaj yeem xa tawm los ntawm cov network uas twb muaj lawm. "
Ib qho kev daws teeb meem kev cai thev naus laus zis tau ua tiav yog cov khoom siv nplaum uas muaj cov nplaum uas muaj cov khoom nplaum kom haum rau qhov loj me raws li kev puas tsuaj (nce txog 12 square inches). Cov qauv ua qauv tau ua tiav rau cov khoom siv uas sawv cev rau 3-nti tuab amcb lawj. Cov khoom siv sib xyaw muaj 3-nti tuab balsa ntoo me me (15 phaus ib cubic fiber) thiab ob txheej ntawm vecbon fiber 0 ° Nplooj ntawv - 90 ° Biaxial stitched ntaub, ib txheej ntawm C-TLX 1900 carbon fiber 0 ° / + 45 ° ° / -45 ° Peb txheej thiab ob txheej ntawm C-Lt 1100, tag nrho ntawm tsib txheej. "Peb tau txiav txim siab tias cov khoom siv yuav siv cov kab mob ua ntej rau hauv cov lus qhia txog cov hmoov nplej hmoov av yuav tsis yog qhov teeb meem," crane tau hais.
Qhov teeb meem tom ntej yog lub resin matrix siv rau Laminate kho. Txhawm rau kom tsis txhob muaj kev sib xyaw kua ua kua, daim duab yuav siv cov kev kho kom zoo nkauj. "Txawm li cas los xij, yog cov kev cov nyom no cia," Bergen tau piav qhia. Txhawm rau txhim kho thaj chaw ua haujlwm, thev naus laus zis, vinyl eter exceg uas tuaj yeem siv ultraviolet lub teeb cug. Nws kuj koom tes nrog Gougenin cov kwv tij (Bay nroog, Michigan, uas tau hais qhia kev siv cov yeeb yaj kiab Epoxy tshiab.
Cov kev tshawb fawb thaum ntxov tau qhia tias Epoxy Resin yog cov resin fiber ntau thiab cov translucent iav ua haujlwm zoo, tab sis tsis kho tau nyob rau hauv lub teeb-thaiv carbon fiber. Raws li Gougenin cov kwv tij 'tshiab zaj duab xis tshiab, lub neej Epoxy kawg, lub neej ntev ntawm 21 thiab muaj lub txee ntev-tsis xav tau qhov tsawg-qhov kub thiab txias. Bergen tau hais tias yog tias muaj lub khob hloov cua txias dua (TG) yuav tau kho tau ntawm qhov kub thiab txias, xws li 350 ° F / 177 ° C. Ob qho tib si prepregs yog muab nyob rau hauv cov khoom siv kho kom zoo raws li ib pawg ntawm cov phiaj xwm Prepreg sib khi hauv lub hnab ntawv sib dhos yas.
Txij li thaum cov khoom siv kho tej zaum yuav raug khaws cia ntev ntev, thev naus laus zis kev cai yuav tsum tau ua txoj kev tshawb nrhiav lub neej. "Peb yuav plaub lub hnab yas tawv yas - hom tub rog raug siv hauv Epoxy Adhesive thiab Vinyl Ester PrePREG rau hauv txhua qhov ntim," Bergen tau hais. Cov thawv ntawd tau muab tso rau hauv plaub qhov chaw sib txawv ntawm cov chaw sib tw: lub ru tsev ntawm lub tshav dav hlau hauv Yucca nyob rau sab qab teb Florida. Txhua tus neeg muaj cov ntaub ntawv sau npe, Bergen cov ntsiab lus tawm, "Peb nqa cov ntaub ntawv thiab cov qauv qauv rau kev tshuaj xyuas txhua peb lub hlis. Qhov kub tshaj plaws tau sau tseg hauv cov thawv hauv Florida thiab California yog 140 ° F, uas yog qhov zoo rau kev kho dua tshiab. Nws yog qhov kev sib tw tiag tiag. " Ib qho ntxiv, tus mob siab rau tus mob siab tshaj lij cov neeg tshiab tsim cov zaub mov tshiab Epoxy. "Cov qauv uas tau muab tso rau hauv qhov cub ntawm 120 ° F rau ob peb hlis pib rau polymerize," Bergen tau hais. "Txawm li cas los xij, rau cov qauv sib xws tau muab khaws cia thaum 110 ° F, lub phij xab kho tsuas yog txhim kho los ntawm ib qho me me."
Txoj kev kho tau tshawb xyuas ntawm Pawg Thawj Coj thiab cov qauv no ntawm AmCB, uas tau siv tib lub chaninate thiab cov khoom tseem ceeb ua tus thawj tus choj ua los ntawm cov neeg suav ua ke. Cov Duab Hauv: Cov thev naus laus zis kev cai LLC
Txhawm rau ua kom pom cov txheej txheem kho, ib tus neeg sawv cev laminate yuav tsum yog tsim, puas thiab kho. "Hauv thawj theem ntawm txoj haujlwm, peb pib siv me me beams 4 x 48-nti cov kab teeb meem thiab plaub-ntu kev ntsuas thiab cov txheej txheem kev kho," Klein tau hais. "Tom qab ntawd, peb hloov mus rau 12 x 48 nti panels hauv theem ob ntawm txoj haujlwm, thov tsim kom muaj kev ntxhov siab rau lub xeev ua rau tsis ua haujlwm. Hauv theem ob, peb tseem ua tiav AMCB qauv uas peb ua tau txij nkawm. "
Bergen tau hais tias lub rooj sib tham tau siv los ua pov thawj kev ua haujlwm zoo li qub los ntawm kev ua haujlwm zoo ib yam li 0.175 nti mus rau 0.175 nti, raws li lub parallel axis theorem Cov. Nov yog rooj plaub no. Tus txheej txheem, ua ke nrog cov ntsiab lus ntxiv ntawm nqaj lub tswv yim thiab muaj kev sib tw zoo ntawm cov khoom lag luam hauv nruab nrab ntawm cov khoom lag luam tag nrho cov khoom lag luam uas yooj yim dua los daws thiab ntau dua raug nqi zoo. Tom qab ntawd, peb cov qauv kev tshawb fawb zoo [fea] qauv tsim los ntawm xascters, massachusetts, USA) tau siv los txhim kho cov qauv kev teeb tsa. " Cov tshuaj carbon fiber ntau siv rau cov ntawv xeem thiab AMCB qauv tau yuav los ntawm vectorly, thiab Balsa cov tub ntxhais tau ua los ntawm cov tub ntxhais sib xyaw (Bristol, Ri, Asmeskas) tau muab.
Kauj ruam 1. Lub rooj sib tham no qhia txog 3 nti txoj kab uas hla mus rau simulate kev puas tsuaj hauv nruab nrab thiab kho lub ncig. Yees duab qhov chaw rau txhua kauj ruam: Cov thev naus laus zis LLC.
Kauj ruam 2. Siv lub roj teeb-powered kev txhais tes grinder kom tshem tawm cov khoom siv puas thiab muab cov khoom siv kho nrog 12: 1 taper.
"Peb xav simulate qib siab dua ntawm kev ua kom muaj kev puas tsuaj ntawm cov rooj sib tw tshaj li qhov yuav pom ntawm tus choj lawj hauv lub tshav pob," Bergen tau piav qhia. "Yog li peb txoj kev yog siv lub qhov pom kom ua rau 3-inch dide qhov. Tom qab ntawd, peb rub tawm cov ntsaws ntawm cov khoom siv uas tsis zoo thiab siv lub tshuab xuas tes ua pneumatic grinder ua ib 12: 1 txoj phuam. "
Crane piav qhia tias rau carbon fiber / epoxy kho, ib tug "kev ua kom zoo nkauj yog siv rau qhov dav thiab ntev kom phim rau thaj chaw puas. "Rau peb lub vaj huam sib luag sim, qhov no yuav tsum muaj plaub txheej ntawm expreg kom cov khoom kho kom haum nrog vaj huam sib luag. Tom qab ntawd, peb txoj kev npog ntawm cov pa roj carbon / epoxy prepreg muaj kev xav txog qhov no ntawm qhov kev kho. Txhua txheej txuas ntxiv mus ntxiv 1 nti rau txhua sab ntawm cov txheej qis dua, uas muab cov khoom siv zuj zus mus rau qhov chaw kho kom haum. " Lub sij hawm tag nrho los ua qhov kev npaj kho mob no-suav nrog kev npaj kho cheeb tsam, txiav thiab tso cov khoom muab rov qab zoo thiab siv cov txheej txheem kho kom zoo nkauj-kwv yees li 2.5 teev.
Rau carbon fiber ntau / epoxy expreg, thaj chaw kho yog cov nqus tsev tau ntim thiab kho tau ntawm 210 ° F rau ib teev uas siv lub roj teeb siv hluav taws xob.
Txawm hais tias Carbon / Epoxy Kho yog yooj yim thiab sai, pab neeg tau lees paub txog kev daws teeb meem yooj yim dua. Qhov no coj mus rau kev tshawb nrhiav ntawm ultraviolet (UV) kho cov tswv yim. "Qhov kev txaus siab rau Sunrez Vinyl Ester resins yog raws li kev paub dhau los ntawm cov tub rog dhau los nrog lub tuam txhab tus tsim Tsab Ntawv Tsim Nyog," Bergen tau piav qhia. "Peb thawj zaug muab hnub ci nrog cov ntaub ua haujlwm quaspic Ib qho ntxiv, vim tias peb paub tias Vinyl Ester Resin tsis zoo li epoxy resin kev ua tau zoo, yog li kev siv zog ntxiv los ntsuas cov khoom seem sib txuas thiab txiav txim siab ib qho twg yog qhov tsim nyog rau daim ntawv thov. "
Lwm qhov teeb meem yog tias iav fibers tsis tuaj yeem muab cov khoom siv tib yam li cov roj carbon fiber. "Muab piv nrog cov pa roj carbon / epoxy thaj, cov teeb meem no tau daws los ntawm kev siv txheej txheej ntxiv ntawm cov iav / yas ester," crane tau hais. "Vim li cas tsuas yog ib txheej ntxiv ntxiv yog tias cov khoom iav yog cov ntaub hnyav." Qhov no tsim cov thaj tsim nyog uas tuaj yeem siv thiab ua ke nyob rau hauv rau feeb txawm tias txias / txias infielle. Kho kom tsis muab cua sov. Crane qhia tias txoj haujlwm kho no tuaj yeem ua tiav hauv ib teev.
Ob thaj tshuab tau pom tau thiab kuaj. Rau txhua txhua kho, thaj chaw kom raug puas yog cim (kauj ruam 1), tsim nrog lub qhov pom, thiab tom qab ntawd tshem tawm kev txhais tes roj teeb sib tsoo (Kauj Ruam 2). Tom qab ntawd txiav cov cheeb tsam kho mus rau hauv 12: 1 taper. Ntxuav rau saum npoo ntawm txoj phuam nrog cov tshuaj cawv (kauj ruam 3). Tom ntej no, txiav cov khoom kho kom muaj qee qhov loj me, muab nws tso rau ntawm cov khoom ntxuav kom huv (Theem 4) thiab consolidate nws nrog ib tug me nyuam tshem pa npuas. Rau cov iav fiber ntau / UV-kho cov khoom siv vinyl exster Prepreg, tom qab ntawd tso cov txheej tso tawm ntawm thaj chaw kho thiab kho cov UV teeb rau 6 feeb 5). Rau carbon fiber ntau / epoxy expreg, siv ib-khawm, roj teeb-powered thermal bonder thiab kho thaj tsam ntawm thaj tsam ntawm 210 ° F / 99 ° C rau ib teev.
Kauj Ruam 5. Tom qab muab cov txheej txheem tev ntawm cov txheej txheem kho, siv lub teeb v teeb los kho qhov thaj rau 6 feeb.
"Tom qab ntawd peb ua kev xeem los ntsuas cov nplaum ntawm lub thaj thiab nws lub peev xwm los rov ua lub peev xwm ntawm cov qauv," Bergen tau hais. "Hauv thawj theem, peb yuav tsum tau ua pov thawj qhov yooj yim ntawm kev thov thiab muaj peev xwm rov qab tsawg kawg 75% ntawm lub zog. Qhov no yog ua los ntawm plaub-taw tes khoov ntawm 4 x 48 nti carbon fiber / epoxy cob thiab balsa tub ntxhais nqaj kev puas tsuaj. Yog lawm. Qhov thib ob theem ntawm txoj haujlwm siv 12 x 48 nti vaj huam sib luag, thiab yuav tsum ua kom muaj ntau dua 90% lub zog yuav tsum tau ua raws li cov khoom siv sib xyaw ua ke. Peb tau ntsib txhua qhov yuav tsum tau ua, thiab tom qab ntawd thaij duab kho cov txheej txheem ntawm AMCB qauv. Yuav ua li cas siv Interield thev naus laus zis thiab cov khoom siv los muab kev pom siv. "
Ib qho tseem ceeb ntawm txoj haujlwm yog los ua pov thawj tias cov ntawv tshiab tuaj yeem yooj yim ua tiav kev kho. Vim li no, Bergen muaj ib lub tswv yim: "Kuv tau cog lus tias yuav qhia peb cov kev sib cuag ua ob leeg hauv cov tub rog: Dr. Bernard Sia thiab Ashley Marsna. Hauv kev txheeb xyuas zaum kawg ntawm thawj theem ntawm txoj haujlwm, Kuv thov kom tsis txhob kho. Kev paub txog Ashley tau ua tiav kev kho. Siv cov khoom siv thiab phau ntawv peb muab, nws tau ua cov ntawv kho thiab ua tiav qhov kev kho uas tsis muaj teeb meem. "
Daim duab 2 Lub roj teeb uas kho tau tus txheej txheem ua ntej lub zog, muaj roj teeb cov cua sov tsev kho mob tuaj yeem kho cov kev paub lossis kev kho kom zoo nkauj lossis kev kho kom zoo. Cov Duab: Cov thev naus laus zis kev cai, LLC
Lwm txoj kev loj hlob tseem ceeb yog lub roj teeb siv lub kaw lus (daim duab 2). "Los ntawm kev saib xyuas infield, koj tsuas muaj roj teeb hluav taws xob," Bergen tau taw qhia. "Txhua cov txheej txheem txheej txheem hauv cov khoom siv kho peb tsim yog wireless." Qhov no suav nrog lub roj teeb hluav taws xob thermal sib koom tes tsim ua ke los ntawm cov kev cai thev naus laus zis thiab cua sov tshuab xa khoom Inc. (Randallstown, Maryland, Tebchaws Asmeskas). "Qhov no roj teeb thermal bonder yog ua ntej-programmed ua kom tiav kev kho kom tiav, yog li tsis tas yuav muaj kev kho lub voj voog," crane tau hais. "Lawv tsuas yog xav tau nias lub pob kom ua tiav cov ramp zoo thiab soak." Cov roj teeb tam sim no siv tau nyob ntev rau ib xyoos ua ntej lawv yuav tsum tau rov ua dua.
Nrog ua tiav ntawm theem ob ntawm txoj haujlwm, thev naus laus zis thev naus laus zis tab tom npaj cov ntawv thov txhim kho thiab sau cov ntawv ntawm kev txaus siab thiab kev txhawb nqa. "Peb lub hom phiaj yog kom paub tab Technology rau Trl 8 thiab nqa nws mus rau tom teb," Bergen tau hais. "Peb kuj pom lub peev xwm rau cov ntawv thov tub rog uas tsis yog tub rog."
Piav qhia qhov qub kos duab tom qab kev lag luam thawj zaug kev txhawb nqa ntawm kev tshawb fawb fiber ntau thiab yav tom ntej.
Los sai heev thiab ya thawj zaug, 787 ntawm kev nroo hauv cov ntaub ntawv sib xyaw thiab cov txheej txheem kom ua tiav nws cov hom phiaj
Lub sij hawm Post: Sep-02-2021