Dab tsi yog epoxy resin rau carbon fiber
Carbon fiber reinforced composite cov ntaub ntawv muaj cov cuab yeej zoo heev. Cov khoom siv ruaj khov, tawv, thiab lub teeb yuag yog qhov kev xaiv zoo tshaj plaws rau kev siv qhov hnyav thiab kev ua haujlwm zoo yog qhov tseem ceeb, xws li cov khoom siv dav hlau, tsheb, tsheb ciav hlau, thiab cov khoom siv zoo.
Cov ntaub ntawv sib xyaw yog tsim los ntawm kev sib txuas cov fibers muaj zog nrog cov txheej txheem matrix xws li epoxy resin. Qhov kev sib xyaw ua ke ntawm txhob lo lo ntxhuav thiab cob qhia cov yam ntxwv zoo dua rau kev siv cov khoom siv ib leeg, thiab tau siv ntau dua los hloov cov ntaub ntawv hnyav hlau. Hauv cov ntaub ntawv sib xyaw, fibers dais feem ntau ntawm cov khoom thauj thiab yog cov tseem ceeb rau kev ua haujlwm ntawm cov ntaub ntawv sib xyaw. Cov resin no pab hloov ntawm fibers, tiv thaiv fiber ntau dabtsi yog khoov, thiab cov ntaub ntawv sib txuas ua ke. Cov khoom series muab yog ib daim ntawv sib xyaw ua los ntawm stacking carbon fiber fabrics txheej los ntawm txheej thiab ces txhaj resin rau hauv stacked ntaub nyob rau hauv lub tshuab nqus tsev vacuum. Daim ntawv uas tsim los ntawm cov txheej txheem no yog du thiab glossy ntawm ib sab, nplua nuj nyob rau hauv resin, thiab ntxhib rau sab nraud, qhia txog cov ntsiab lus ntawm cov ntaub.
Qhov tseem ceeb, epoxy resin rau carbon fiber yog cov khoom siv ntau yam tsim nyog rau ntau qhov chaw. Txhawm rau siv epoxy resin, sib tov nrog kua hardener lossis curing agent. Kev sib cuam tshuam ntawm carbon fiber resin thiab hardener yuav tsim cov tshuaj tiv thaiv. Tom qab solidification, cov resin ua ib yam khoom muaj zog.
Muaj ntau hom epoxy resins. Yog tias koj xav tau ntau yam, adhesion zoo heev, txhim khu kev qha kev ua tau zoo ntawm ntau qhov kub thiab txias, thiab qis shrinkage, carbon fiber resin yog qhov kev xaiv zoo.
Vim li cas thiaj xaiv epoxy resin ua cov khoom siv fiber ntau?
Cov neeg tsim khoom feem ntau xaiv epoxy resin thiab carbon fiber kom ua tiav cov kav ntev thiab lub zog. Ob cov ntaub ntawv no ua haujlwm zoo ua ke vim tias epoxy resin yog ib qho ntawm ob peb cov ntaub ntawv uas tuaj yeem ua raws li cov pa roj carbon fiber ntau.
Los ntawm kev siv cov pa roj carbon fiber ntau epoxy resin sib tov, koj tuaj yeem tau txais cov khoom muaj zog, qhov hnyav qis uas tuaj yeem tiv taus kev co siab thiab qaug zog. Lwm qhov tseem ceeb ntawm carbon fiber epoxy resin yog nws yooj. Koj tuaj yeem tsim cov duab zoo meej thiab cov khoom ntawm koj thawj zaug sim kom tsis txhob siv cov khoom siv raw thiab cov khoom siv ntau dhau.
Cov neeg tsim khoom siv carbon fiber ntau thiab epoxy resin los tsim cov kev daws teeb meem rau kev ua haujlwm siab. Qhov kev sib xyaw ua ke zoo heev ntawm carbon epoxy resins muaj cov txiaj ntsig hauv qab no:
Siab zog rau qhov hnyav sib npaug
Lub zog tensile zoo heev
kev poob siab
Tus nqi qis CTE
Kub kub tsis kam mus txog 500 degrees Fahrenheit
Corrosion kuj thiab hnav tsis kam
Txo cov khib nyiab thiab lub sijhawm sib dhos
Muaj ntau hom adhesives uas tuaj yeem ua tau zoo sib txuas cov carbon fibers. Txhawm rau xaiv txoj kev daws teeb meem rau koj qhov project, koj yuav tsum xav txog cov txheej txheem kho yuav tsum tau ua thiab theem ntawm kev qaug zog uas cov pob qij txha yuav tsum tau tiv taus.
Cov epoxy resins tam sim no muaj rau carbon fiber muaj xws li:
Cyanoacrylate: Ntau lub tuam txhab xa mus rau nws li "ua kom qhuav nplaum", uas yog qhov tsim nyog rau kev sib txuas cov roj carbon fiber reinforced polymers.
Ib qho kev tivthaiv epoxy resin: Advanced ib feem epoxy resin yog tsim tshwj xeeb rau carbon fibers. Cov kev daws teeb meem no tuaj yeem muab kev zoo nkauj ntawm cov xim sib xws thiab kev siv zog zoo heev.
Ob yam epoxy resin: Qee cov khoom siv epoxy resins kuj tau ua tib zoo tsim rau cov khoom siv fiber ntau hauv cov haujlwm carbon fiber.
Cov qauv acrylic acid: MMA qib acrylic acid muaj cov pa roj carbon fiber ntau adhesion.
Polyurethane nplaum: Feem ntau Permabond polyurethane nplaum muaj qhov cuam tshuam zoo thiab lub zog.
Daim ntawv thov scenarios ntawm epoxy resin rau carbon fiber
Cov khoom siv ua kis las tsim: Cov cuab yeej ua kis las xws li hockey thiab softball sticks feem ntau siv cov epoxy resin thiab carbon fiber los txo qhov hnyav ntawm cov khoom thaum ua kom muaj kev ruaj ntseg ntev.
Aerospace manufacturing: Qhov sib dua thiab ruaj khov ntawm cov khoom siv hauv aerospace, qhov zoo dua. Carbon fiber yog ob qho tib si khov kho thiab hnav. Yog li ntawd, nws tuaj yeem ua tau raws li qhov xav tau ntawm lub tsheb aerospace yam tsis muaj qhov hnyav ntxiv.
Automotive tsim: Cov tuam txhab tsheb loj tseem tuaj yeem tau txais txiaj ntsig los ntawm kev sib koom ua ke carbon fiber rau hauv lawv cov qauv. Cov tsheb sib tw thiab cov tsheb high-end tau sim siv cov khoom siv hnyav no rau qee lub sijhawm.
Qhov project hauv tsev: Carbon fiber ntau epoxy cov ntaub ntawv sib xyaw tuaj yeem tsim cov rooj tog zoo nkauj niaj hnub tsis cuam tshuam rau kev ua haujlwm.
Cua zog: Ntau lub turbines niaj hnub no peb siv niaj hnub no yog nruab nrog fiberglass hniav, uas tuaj yeem ua tiav sai thiab huv si.
Lub tshuab nqus tsev twj yog ib kauj ruam tseem ceeb hauv kev ua cov pa roj carbon fiber ntau. Lub tshuab nqus tsev twj tso kua mis tuaj yeem tshem tawm cov huab cua thiab noo noo, kom ntseeg tau tias cov ntaub ntawv carbon fiber ntau tau ntub nrog cov resin thaum lub sijhawm ua, yog li txhim kho lub zog thiab ruaj khov ntawm cov khoom.
Thaum ua cov pa roj carbon fiber ntau, lub tshuab nqus tsev yuav tsum siv cov kua nplaum hauv qab. Cov kua nplaum hauv qab tuaj yeem ua rau cov khoom siv carbon fiber ntau thiab cov resin infiltrate ntau tusyees, yog li txhim kho lub zog thiab kav ntev ntawm cov khoom.
Nqus cov kua nplaum hauv qab thiab cov kua nplaum sab saum toj
Daim ntawv thov ntawm epoxy resin rau carbon fiber
Cov kauj ruam tshwj xeeb rau nqus cov pa roj carbon fiber ntau yog raws li hauv qab no
Ua ntej, lo daim kab xev nplaum rau ntawm flange ntug ntawm pwm, xav txog:
1. Xyuas kom meej tias lub flange ntug ntawm cov pwm yog qhov loj txaus, thiab kev ua haujlwm tom ntej tsis muaj kev cuam tshuam.
2. Tiv thaiv kom tsis txhob muaj cov pa roj carbon fiber ntau uas ua rau cov pa paug thaum lub sij hawm sealing ntawm flange ntug.
Kauj Ruam 2: Txiav cov ntaub ntawv carbon fiber
Cov pa roj carbon fiber ntau yuav tsum tsis txhob txiav me me, thiab tag nrho cov kev txiav txim siab yuav tsum tau muab rau cov burrs uas yuav tsum tau txiav tawm tom qab. Koj tuaj yeem txiav cov ntaub ntawv carbon fiber ua ntej. Yog tias nws nyuaj rau xam, koj tuaj yeem txiav ib daim ua ntej, sim tso nws tawm, thiab tom qab ntawd txiav nws raws li qhov loj me.
Rau kev tso ntau txheej carbon fiber ntau daim ntaub, koj tuaj yeem siv cov kua nplaum ruaj khov los pab txhawb kev sib raug zoo thiab tso rau saum npoo ntawm pwm. Tsis txhob tsuag ntau dhau, vim muaj kev pheej hmoo ntawm kev sib raug zoo tsis zoo.
Kauj Ruam 4: Tso daim ntaub demolding
Cov ntaub demolding yuav tsis lo rau cov khoom. Tom qab cov khoom raug kho thiab tsim, nws tuaj yeem yooj yim tev tawm, thiab cov qauv woven imprint zoo ib yam li cov qauv ntaub yog tsim rau sab nraum qab ntawm cov khoom.
Lub luag haujlwm tseem ceeb ntawm kev sib txawv network yog los txhawb cov resin ntws thiab sai thiab zoo disperse epoxy resin thoob plaws hauv tag nrho cov khoom txheej.
Kauj Ruam 6: Muab cov hlua khi thiab tso qhov nkag thiab qhov hluav taws xob ntawm cov nplaum
Resin txhaj tshuaj zaum kauv raj yog ib qho kev xa tawm thiab dispersing channel rau resin. Vim nws txoj kev qhib lub voj voog, thaum cov resin ntws mus rau hauv ib qho kev taw qhia, nws sai sai disperses mus rau hauv lub flow guide network thiab kis thoob plaws tag nrho cov pa roj carbon fiber ntau txheej.
Vim yog cov qauv yooj yim ntawm cov khoom siv no thiab lub sijhawm ntev ntawm epoxy resin gel, tsis tas yuav txhawj xeeb txog kev xav txog cov dej ntws tsis txaus. Tsuas yog nrhiav tau ib txoj hauj lwm sib luag thiab npaj cov kua nplaum inlet thiab lub qhov hluav taws xob sib cais. Lub hnab nqus tsev yuav tsum tau txiav kom loj dua thiab ua tib zoo kaw kom tsis txhob hla thiab punctures ntawm lub hnab nqus tsev. Nqus nws! Xyuas kom airtightness yog qhov tseem ceeb tshaj plaws.
Kauj Ruam 8: Txuas lub tshuab nqus tsev mus rau lub tshuab nqus tsev twj tso kua mis thiab cov resin collector
Txuas lub tshuab nqus tsev
Thaum siv PVC hoses los txuas cov khoom siv nqus tsev thiab cov khoom siv resin, lawv tuaj yeem raug txiav ntawm lub kaum sab xis kom yooj yim thawb lub hose mus rau hauv lub tshuab nqus tsev hauv lub hnab nqus tsev, thiab tom qab ntawd kaw nrog butyl daim kab xev.
Ua tib zoo saib xyuas cov haujlwm no hauv cov khoom siv cob, vim tias muaj qhov ua tau ntawm cov pa me me ntawm cov pa tawm vim tsis rub cov kab xev sib khi nrog quab yuam.
Quav cov roj hmab hose nyob rau hauv ib nrab thiab sim tag nrho lub tshuab nqus tsev vacuum los txiav txim seb nws ua tau raws li qhov yuav tsum tau ua rau lub tshuab nqus tsev vacuum.
Ua tib zoo tshawb nrhiav qhov xau ntawm PVC lub tshuab nqus tsev, kho nws, thiab rov ua dua. Thaum lub tshuab nqus tsev kawm ntawv ua tau raws li qhov yuav tsum tau ua ntawm lub workpiece, cov haujlwm tom ntej tuaj yeem ua tiav.
Kauj Ruam 10: Ntsuas thiab ua kom raug sib xyaw epoxy resin thiab tus neeg sawv cev kho
Kev saib xyuas yuav tsum tau them rau kev teeb tsa ntawm epoxy resin. Cov epoxy resin thiab curing tus neeg sawv cev yuav tsum raug ntsuas kom raug thiab sib npaug sib npaug, txwv tsis pub cov khoom yuav muag muag lossis cov resin yuav nyob hauv lub xeev nplaum.
Vim yog cov qauv yooj yim ntawm cov khoom siv, lub tshuab nqus tsev epoxy resin muaj qhov nrawm nrawm, thiab cov khoom me me no feem ntau yuav siv sijhawm 15-20 feeb los ua kom tiav qhov pom kev.
Kauj Ruam 12: Tos kom cov epoxy resin kho thiab tshem tawm cov khoom siv
Tom qab cov epoxy resin tau raug coj los, qhov nkag thiab qhov hluav taws xob ntawm cov roj hmab hose tuaj yeem raug txiav tawm thiab tos kom cov epoxy resin kho tag nrho; Feem ntau, kho ntawm 60-80 degree rau 3 teev tuaj yeem ua tiav. Kev kho ntawm chav tsev kub yuav tsum tau ntau tshaj 24 teev. Tom qab kho, demould thiab tev tawm cov khoom siv nqus tsev vacuum.
Tom qab txiav cov pa roj carbon fiber ntau, nws raug nquahu kom siv cov ntawv xuab zeb thiab dej sib tsoo ua ntej polishing; Yog vim li cas vim li cas kev sib tsoo qhuav tsis pom zoo yog tias cov hmoov av sib tsoo yog nias rau hauv qhov chaw pinholes, vim nws yuav nyuaj rau kev ntxuav.
Kauj Ruam 14: Kho cov pinholes ntawm qhov chaw ntawm carbon fiber ntau
Nws yog ib qho nyuaj rau tshem tawm tag nrho cov pinholes ntawm qhov chaw ntawm epoxy resin Cheebtsam, vim qhov no yog vim muaj cov ntsiab lus ntawm cov ntaub ntawv carbon fiber, thiab cov ntaub twill yog qhov zoo dua li daim ntaub dawb.
Rau kev kho tus pinhole nto ntawm tsheb cov khoom siv carbon fiber ntau, koj tuaj yeem siv epoxy resin nplaum rau sau lossis tshuaj tsuag 2K kua roj vanish rau sealing. Cov xim ntshiab muaj kev tiv thaiv UV zoo dua, tab sis nws lub zog tsis siab li epoxy resin. Qhov twg yog qhov tsim nyog rau koj, ntsuas nws raws li koj qhov xwm txheej tiag tiag.
Lub plhaub carbon fiber nyob ntawm no, thiab lub tsheb yooj yim carbon fiber plhaub tau pib nqus thiab ua tiav. Tau kawg, tsis yog txhua lub tshuab nqus tsev twj tso kua mis ua haujlwm zoo ib yam, vim tias cov qauv ntawm cov khoom siv thiab cov kev xav tau tiag tiag yuav txawv, thiab cov haujlwm tshwj xeeb kuj tseem txawv me ntsis, tab sis cov txheej txheem tseem ceeb zoo ib yam.
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