Carbon fiber ntau yog cov khoom siv fiber ntau nrog cov ntsiab lus carbon ntau dua 95%. Nws muaj cov khoom siv zoo heev, tshuaj lom neeg, hluav taws xob thiab lwm yam khoom zoo heev. Nws yog "tus huab tais ntawm cov ntaub ntawv tshiab" thiab cov khoom siv tswv yim uas tsis muaj kev ua tub rog thiab kev loj hlob ntawm pej xeem. Lub npe hu ua "Black Gold".
Cov kab ntau lawm ntawm carbon fiber yog raws li nram no:
Lub slender carbon fiber ua li cas?
Cov txheej txheem kev tsim cov pa roj carbon fiber ntau tau tsim los txog tam sim no thiab tau ua tiav. Nrog rau kev txhim kho txuas ntxiv ntawm cov ntaub ntawv carbon fiber ntau, nws tau nyiam los ntawm txhua qhov chaw ntawm lub neej, tshwj xeeb tshaj yog kev loj hlob ntawm aviation, tsheb, tsheb ciav hlau, cua zog hniav, thiab lwm yam thiab nws cov nyhuv tsav tsheb, kev loj hlob ntawm carbon fiber ntau . Lub zeem muag tseem dav dua.
Cov kev lag luam carbon fiber ntau tuaj yeem muab faib ua cov dej ntws thiab qis. Upstream feem ntau yog hais txog kev tsim cov khoom siv carbon fiber ntau; downstream feem ntau yog hais txog kev tsim cov khoom siv carbon fiber ntau. Cov tuam txhab lag luam nyob nruab nrab ntawm cov dej ntws thiab cov dej ntws tuaj yeem xav txog lawv li cov khoom siv hauv cov txheej txheem tsim cov pa roj carbon fiber ntau. Raws li pom hauv daim duab:
Tag nrho cov txheej txheem los ntawm raw cov ntaub ntawv mus rau carbon fiber upstream ntawm cov carbon fiber kev lag luam saw yuav tsum mus los ntawm cov txheej txheem xws li oxidation furnaces, carbonization furnaces, graphitization furnaces, nto kho, thiab sizing. Cov qauv fiber ntau yog dominated los ntawm carbon fiber.
Lub sab sauv ntawm carbon fiber kev lag luam saw belongs rau petrochemical kev lag luam, thiab acrylonitrile yog tsuas yog tau los ntawm crude roj refining, tawg, ammonia oxidation, thiab lwm yam .; Polyacrylonitrile precursor fiber, carbon fiber yog tau los ntawm pre-oxidizing thiab carbonizing lub precursor fiber, thiab carbon fiber composite khoom yog tau los ntawm kev ua carbon fiber thiab zoo resin kom tau raws li daim ntawv thov.
Cov txheej txheem tsim cov pa roj carbon fiber ntau suav nrog kev kos duab, kos duab, ruaj khov, carbonization, thiab graphitization. Raws li pom hauv daim duab:
Daim duab:Qhov no yog thawj kauj ruam hauv kev tsim cov pa roj carbon fiber ntau. Nws feem ntau cais cov ntaub ntawv raw rau hauv fibers, uas yog kev hloov ntawm lub cev. Thaum lub sijhawm ua haujlwm no, kev hloov pauv huab cua thiab kub hloov pauv ntawm cov kua spinning thiab cov kua coagulation, thiab thaum kawg PAN nag lossis daus. Filaments tsim cov qauv gel.
Kev tsim qauv:yuav tsum muaj qhov kub ntawm 100 mus rau 300 degrees los ua haujlwm ua ke nrog cov nyhuv stretching ntawm oriented fibers. Nws kuj yog ib kauj ruam tseem ceeb hauv kev hloov pauv siab, kev txhawb zog siab, qhov ntom ntom, thiab kev ua kom zoo ntawm PAN fibers.
Kev ruaj ntseg:Lub thermoplastic PAN linear macromolecular saw tau hloov mus rau hauv cov qauv uas tsis yog-yas tshav kub-resistant trapezoidal qauv los ntawm cov txheej txheem ntawm cua sov thiab oxidation ntawm 400 degrees, thiaj li hais tias nws yog tsis-melting thiab tsis-flammable nyob rau hauv high kub, tswj cov fiber ntau zoo, thiab cov thermodynamics yog nyob rau hauv lub xeev ruaj khov.
Carbonization:Nws yog ib qho tsim nyog yuav tsum tau tsav tawm cov ntsiab lus tsis-carbon hauv PAN ntawm qhov kub ntawm 1,000 txog 2,000 degrees, thiab thaum kawg tsim cov pa roj carbon fiber ntau nrog cov qauv turbostratic graphite nrog cov ntsiab lus carbon ntau dua 90%.
Graphitization: Nws yuav tsum muaj qhov kub ntawm 2,000 txog 3,000 degrees los hloov cov khoom siv amorphous thiab turbostratic carbonized rau hauv peb-dimensional graphite cov qauv, uas yog lub ntsiab kev ntsuas los txhim kho cov qauv ntawm carbon fibers.
Cov txheej txheem ncauj lus kom ntxaws ntawm cov pa roj carbon fiber ntau los ntawm cov txheej txheem ntawm cov khoom siv raw mus rau cov khoom tiav yog tias PAN raw cov ntaub ntawv yog tsim los ntawm cov txheej txheem yav dhau los cov ntaub lo lo ntxhuav. Tom qab kos duab ua ntej los ntawm cov cua sov ntub ntawm cov hlau feeder, nws tau hloov mus rau qhov cub ua ntej oxidation los ntawm lub tshuab nqus tsev. Tom qab tau ci ntawm qhov sib txawv ntawm qhov kub thiab txias hauv pawg pre-oxidation rauv, oxidized fibers yog tsim, uas yog, pre-oxidized fibers; pre-oxidized fibers yog tsim rau hauv carbon fibers tom qab dhau los ntawm nruab nrab-kub thiab high-temperature carbonization rauv; Cov pa roj carbon fibers yog tom qab ntawd raug rau qhov kawg ntawm qhov chaw kho mob, sizing, ziab thiab lwm yam txheej txheem kom tau txais cov khoom siv carbon fiber. . Tag nrho cov txheej txheem ntawm kev noj cov hlau tsis tu ncua thiab kev tswj xyuas meej, ib qho teeb meem me ntsis hauv cov txheej txheem yuav cuam tshuam rau qhov ruaj khov thiab qhov zoo ntawm cov khoom siv carbon fiber zaum kawg. Kev tsim cov pa roj carbon fiber ntau muaj cov txheej txheem ntev, ntau cov ntsiab lus tseem ceeb, thiab cov khoom lag luam siab. Nws yog kev koom ua ke ntawm ntau yam kev qhuab qhia thiab kev siv thev naus laus zis.
Cov saum toj no yog kev tsim cov pa roj carbon fiber ntau, cia peb saib seb cov pa roj carbon fiber ntau siv li cas!
Kev ua cov khoom siv carbon fiber ntau
1. Txiav
Lub prepreg yog tshem tawm los ntawm qhov txias cia ntawm qhov kub ntawm 18 degrees. Tom qab sawv, thawj kauj ruam yog txiav cov khoom kom raug raws li daim duab kos duab ntawm lub tshuab txiav tsis siv neeg.
2. Paving
Cov kauj ruam thib ob yog nteg prepreg ntawm cov cuab yeej nteg, thiab nteg cov txheej txheem sib txawv raws li cov qauv tsim. Tag nrho cov txheej txheem yog nqa tawm nyob rau hauv laser positioning.
3. kev tsim
Los ntawm kev siv lub tshuab ua haujlwm tsis siv neeg, lub preform yog xa mus rau lub tshuab molding rau compression molding.
4. Txiav
Tom qab tsim, lub workpiece raug xa mus rau lub txiav neeg hlau workstation rau plaub theem ntawm kev txiav thiab deburring los xyuas kom meej qhov seem ntawm qhov workpiece. Cov txheej txheem no tseem tuaj yeem ua haujlwm ntawm CNC.
5. Kev ntxuav
Qhov thib tsib kauj ruam yog ua cov dej khov qhuav qhuav ntawm qhov chaw ntxuav kom tshem tawm tus neeg sawv cev tso tawm, uas yog yooj yim rau cov txheej txheem txheej txheej tom ntej.
6. Kua nplaum
Cov kauj ruam thib rau yog siv cov txheej txheem kua nplaum ntawm qhov chaw nres tsheb neeg hlau gluing. Gluing txoj hauj lwm, kua nplaum ceev, thiab cov kua nplaum tawm yog txhua yam raug kho. Ib feem ntawm kev sib txuas nrog cov hlau qhov chaw yog riveted, uas yog nqa tawm ntawm qhov chaw nres tsheb riveting.
7. Kev tshuaj xyuas los ua ke
Tom qab siv cov kua nplaum, cov panels sab hauv thiab sab nrauv tau sib sau ua ke. Tom qab cov kua nplaum tau kho lawm, kev kuaj pom lub teeb xiav yog ua los xyuas kom meej qhov tseeb ntawm qhov tseem ceeb, cov ntsiab lus, kab, thiab qhov chaw.
Carbon fiber ntau nyuaj rau kev ua
Cov pa roj carbon fiber muaj ob lub zog tensile lub zog ntawm cov ntaub ntawv carbon thiab cov txheej txheem mos ntawm fibers. Cov pa roj carbon fiber yog cov khoom siv tshiab nrog cov khoom siv kho tshuab zoo heev. Siv cov pa roj carbon fiber ntau thiab peb cov hlau ua piv txwv, lub zog ntawm carbon fiber yog nyob ib ncig ntawm 400 txog 800 MPa, thaum lub zog ntawm cov hlau zoo tib yam yog 200 txog 500 MPa. Saib ntawm toughness, carbon fiber thiab hlau yog qhov zoo sib xws, thiab tsis muaj qhov txawv txav.
Cov pa roj carbon fiber ntau muaj zog dua thiab hnyav dua, yog li carbon fiber tuaj yeem hu ua huab tais ntawm cov ntaub ntawv tshiab. Vim tias qhov zoo dua no, thaum lub sij hawm ua cov carbon fiber reinforced composites (CFRP), cov matrix thiab fibers muaj kev sib cuam tshuam sab hauv, ua rau lawv lub cev sib txawv ntawm cov hlau. Qhov ceev ntawm CFRP yog ntau me dua li cov hlau, thaum lub zog yog ntau dua li cov hlau. Vim yog qhov tsis sib xws ntawm CFRP, fiber ntau rub tawm lossis matrix fiber ntau detachment feem ntau tshwm sim thaum ua haujlwm; CFRP muaj qhov ua haujlwm kub kub thiab hnav tsis kam, uas ua rau nws xav tau ntau dua ntawm cov khoom siv thaum lub sijhawm ua haujlwm, yog li Kev txiav cov cua kub ntau yog tsim nyob rau hauv cov txheej txheem ntau lawm, uas yog qhov hnyav dua rau cov khoom siv.
Nyob rau tib lub sijhawm, nrog kev nthuav dav ntawm nws daim ntawv thov kev lag luam, cov kev cai tau dhau los ua ntau dua, thiab cov kev cai rau kev siv cov ntaub ntawv thiab cov kev xav tau zoo rau CFRP tau dhau los ua nruj dua, uas tseem ua rau cov nqi ua haujlwm. nce.
Kev ua haujlwm ntawm carbon fiber board
Tom qab cov pa roj carbon fiber ntau yog kho thiab tsim, tom qab ua tiav xws li txiav thiab drilling yog xav tau rau cov kev xav tau tshwj xeeb lossis cov kev xav tau sib dhos. Raws li cov xwm txheej zoo ib yam li cov txheej txheem txiav thiab txiav qhov tob, xaiv cov cuab yeej thiab xyaum ua cov khoom sib txawv, qhov ntau thiab tsawg thiab cov duab yuav muaj qhov sib txawv heev. Nyob rau tib lub sijhawm, yam xws li lub zog, kev taw qhia, lub sijhawm, thiab qhov kub thiab txias ntawm cov cuab yeej thiab kev xyaum yuav cuam tshuam rau kev ua tiav.
Hauv cov txheej txheem tom qab ua tiav, sim xaiv cov cuab yeej ntse nrog cov pob zeb diamond txheej thiab cov khoom siv carbide laum me ntsis. Kev hnav tsis kam ntawm lub cuab yeej thiab lub laum me ntsis nws tus kheej txiav txim siab qhov ua tau zoo thiab kev pabcuam lub neej ntawm lub cuab yeej. Yog hais tias lub cuab yeej thiab lub laum me ntsis tsis ntse txaus los yog siv tsis raug, nws yuav tsis tsuas yog ua kom lub cev hnav thiab tsim kua muag, nce nqi ntawm cov khoom, tab sis kuj ua rau cov phaj puas, cuam tshuam rau cov duab thiab qhov loj ntawm lub phaj thiab stability ntawm qhov ntev ntawm lub qhov thiab grooves ntawm lub phaj. Ua rau txheej txheej tearing ntawm cov khoom, los yog txawm thaiv lub cev qhuav dej, uas ua rau lub scrapping ntawm tag nrho cov board.
Thaum drillingcarbon fiber ntawv, qhov ceev ceev, qhov zoo dua cov nyhuv. Hauv kev xaiv cov khoom siv laum, qhov tshwj xeeb laum cov qauv tsim ntawm PCD8 lub ntsej muag ntug laum me ntsis yog tsim nyog rau cov nplooj ntawv carbon fiber ntau, uas tuaj yeem nkag mus rau cov nplooj ntawv carbon fiber zoo dua thiab txo qhov kev pheej hmoo ntawm delamination.
Thaum txiav cov ntawv tuab carbon fiber ntau, nws raug nquahu kom siv ob-edged compression milling cutter nrog rau sab laug thiab sab xis helical ntug tsim. Qhov no ntse txiav ntug muaj ob sab sauv thiab qis helical cov lus qhia kom sib npaug ntawm axial quab yuam ntawm lub cuab yeej nce thiab nqis thaum txiav. , los xyuas kom meej tias lub resultant txiav quab yuam yog coj mus rau sab hauv ntawm cov khoom, thiaj li mus tau ruaj khov tej yam kev mob thiab suppress qhov tshwm sim ntawm cov khoom delamination. Kev tsim cov pob zeb diamond-puab sab saud thiab sab qis ntawm "Pineapple Edge" router tuaj yeem ua tau zoo txiav cov nplooj ntawv carbon fiber. Nws qhov sib sib zog nqus nti flute tuaj yeem tshem tawm ntau ntawm cov cua sov los ntawm kev tawm ntawm cov chips thaum lub sij hawm txiav, kom tsis txhob muaj kev puas tsuaj rau carbon fiber. daim ntawv cov khoom.
01 Nruam fiber ntau
Khoom nta:Cov khoom lag luam feem ntau ntawm cov tuam txhab carbon fiber ntau, cov pob khoom yog tsim los ntawm ntau txhiab tus monofilaments, uas tau muab faib ua peb hom raws li txoj kev sib tw: NT (Tsis Twisted, untwisted), UT (Untwisted, untwisted), TT lossis ST ( Twisted, twisted), uas NT yog cov feem ntau siv carbon fiber.
Daim ntawv thov tseem ceeb:Feem ntau yog siv rau cov ntaub ntawv sib xyaw xws li CFRP, CFRTP lossis C / C cov ntaub ntawv sib xyaw, thiab cov ntawv thov suav nrog cov khoom siv dav hlau / dav hlau, cov khoom ntaus pob ncaws pob thiab cov khoom siv khoom lag luam.
02 Staple Fiber Xov
Khoom nta:luv fiber yarn rau luv luv, yarns spun los ntawm luv carbon fibers, xws li lub hom phiaj pitch-raws li carbon fibers, feem ntau yog cov khoom nyob rau hauv daim ntawv ntawm luv fibers.
Main siv:Cov ntaub ntawv rwb thaiv tsev kub, cov ntaub ntawv tiv thaiv kev sib txhuam, C / C cov khoom sib xyaw, thiab lwm yam.
03 Carbon Fiber Npuag
Khoom nta:Nws yog ua los ntawm cov pa roj carbon fiber ntau los yog carbon fiber spun yarn. Raws li txoj kev weaving, carbon fiber fabrics yuav muab faib ua woven fabrics, knitted fabrics thiab non-woven fabrics. Tam sim no, carbon fibers feem ntau yog woven fabrics.
Daim ntawv thov tseem ceeb:Ib yam li cov roj carbon fiber ntau txuas ntxiv, feem ntau yog siv rau hauv cov ntaub ntawv sib xyaw xws li CFRP, CFRTP lossis C / C cov ntaub ntawv sib xyaw, thiab cov ntawv thov suav nrog cov khoom siv dav hlau / aerospace, cov khoom ntaus pob ncaws pob thiab cov khoom siv hauv tsev.
04 Carbon Fiber Braided siv
Khoom nta:Nws belongs rau ib hom carbon fiber ntaub, uas yog tseem woven los ntawm nruam carbon fiber los yog carbon fiber spun yarn.
Kev siv tseem ceeb:Feem ntau yog siv rau resin-based reinforcing cov ntaub ntawv, tshwj xeeb tshaj yog rau kev tsim thiab ua cov khoom tubular.
05 Chop carbon fiber ntau
Khoom nta:Sib txawv ntawm lub tswv yim ntawm carbon fiber spun yarn, feem ntau yog npaj los ntawm cov pa roj carbon fiber ntau txuas ntxiv los ntawm kev txiav, thiab txiav ntev ntawm cov fiber ntau tuaj yeem txiav raws li cov neeg siv khoom xav tau.
Main siv:Feem ntau yog siv los ua cov khoom sib xyaw ntawm cov yas, resins, cement, thiab lwm yam, los ntawm kev sib xyaw rau hauv matrix, cov khoom siv kho tshuab, hnav tsis kam, hluav taws xob conductivity thiab cua sov tuaj yeem txhim kho; Nyob rau hauv xyoo tas los no, cov fibers reinforcing nyob rau hauv 3D luam ntawv carbon fiber composites yog feem ntau tws carbon fibers. lub ntsiab.
06 Sib tsoo carbon fiber
Khoom nta:Txij li cov pa roj carbon fiber ntau yog cov khoom nkig, nws tuaj yeem npaj rau hauv cov hmoov carbon fiber ntau tom qab sib tsoo, uas yog, sib tsoo carbon fiber.
Daim ntawv thov tseem ceeb:zoo ib yam li chopped carbon fiber, tab sis tsis tshua muaj siv nyob rau hauv cement reinforcement; feem ntau yog siv los ua cov khoom siv ntawm cov yas, cob, roj hmab, thiab lwm yam los txhim kho cov khoom siv kho tshuab, hnav tsis kam, hluav taws xob conductivity thiab kub tsis kam ntawm matrix.
07 Carbon fiber ntau
Khoom nta:Daim ntawv tseem ceeb yog muaj los yog lev. Ua ntej, cov fibers luv yog txheej los ntawm mechanical carding thiab lwm txoj kev, thiab tom qab ntawd npaj los ntawm rab koob punching; tseem hu ua carbon fiber non-woven npuag, nws belongs rau ib hom carbon fiber woven ntaub.Main siv:thermal rwb thaiv tsev cov ntaub ntawv, molded thermal rwb thaiv tsev cov ntaub ntawv substrates, tshav kub-resistant tiv thaiv txheej thiab corrosion-resistant txheej substrates, thiab lwm yam.
08 Carbon fiber ntau daim ntawv
Khoom nta:Nws yog npaj los ntawm carbon fiber los ntawm qhuav los yog ntub papermaking txheej txheem.
Main siv:anti-static daim hlau, electrodes, hais lus cones thiab cua sov daim hlau; Cov ntawv siv kub hauv xyoo tas los no yog lub zog tshiab lub tsheb roj teeb cathode cov ntaub ntawv, thiab lwm yam.
09 Carbon fiber ntau prepreg
Khoom nta:semi-hardened intermediate khoom ua los ntawm carbon fiber impregnated thermosetting resin, uas muaj zoo heev mechanical zog thiab yog dav siv; qhov dav ntawm carbon fiber prepreg nyob ntawm qhov loj ntawm cov khoom siv, thiab cov kev qhia tshwj xeeb muaj xws li 300mm, 600mm, thiab 1000mm dav prepreg khoom.
Daim ntawv thov tseem ceeb:cov khoom siv dav hlau / aerospace, cov khoom ua si thiab cov khoom siv ua haujlwm, thiab lwm yam.
010 carbon fiber ntau cov khoom siv
Khoom nta:Txhaj tshuaj molding khoom ua los ntawm cov thermoplastic los yog thermosetting resin tov nrog carbon fiber, qhov sib tov yog ntxiv nrog rau ntau yam additives thiab tws fibers, thiab ces undergoes ib tug compounding txheej txheem.
Daim ntawv thov tseem ceeb:Kev cia siab rau cov khoom siv hluav taws xob zoo heev, muaj zog rigidity thiab lub teeb pom kev zoo, nws yog siv rau hauv cov khoom siv casings thiab lwm yam khoom.
Peb kuj tsimfiberglass direct roving,fiberglass mats, fiberglass mesh, thiabfiberglass woven roving.
Tiv tauj peb:
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Post lub sij hawm: Jun-01-2022
