Cov roj carbon fiber yog cov khoom siv fiber nrog cov pa roj carbon ntau dua 95%. Nws muaj cov khoom siv kho tshuab zoo heev, tshuaj lom neeg, hluav taws xob thiab lwm yam khoom zoo heev. Nws yog "tus vaj ntxwv ntawm cov ntaub ntawv tshiab" thiab cov khoom siv tswv yim uas tsis muaj nyob rau hauv kev txhim kho tub rog thiab pej xeem. Lub npe hu ua "Kub Dub".
Cov kab ntau lawm ntawm cov roj carbon fiber yog raws li nram no:
Cov roj carbon fiber nyias nyias ua li cas?
Cov txheej txheem tsim cov roj carbon fiber tau tsim kho kom deb li deb thiab tau loj hlob tuaj. Nrog rau kev txhim kho tas mus li ntawm cov ntaub ntawv carbon fiber composite, nws tau txais kev nyiam ntau dua los ntawm txhua qhov chaw ntawm lub neej, tshwj xeeb tshaj yog kev loj hlob ntawm kev tsav tsheb, tsheb, tsheb ciav hlau, cua fais fab hniav, thiab lwm yam thiab nws cov nyhuv tsav tsheb, kev txhim kho ntawm kev lag luam carbon fiber. Lub zeem muag tseem dav dua.
Cov saw hlau ua lag luam carbon fiber muaj peev xwm muab faib ua upstream thiab downstream. Upstream feem ntau yog hais txog kev tsim cov khoom siv carbon fiber tshwj xeeb; downstream feem ntau yog hais txog kev tsim cov khoom siv carbon fiber. Cov tuam txhab nyob nruab nrab ntawm upstream thiab downstream tuaj yeem xav txog lawv ua cov khoom siv hauv cov txheej txheem tsim cov carbon fiber. Raws li pom hauv daim duab:
Tag nrho cov txheej txheem los ntawm cov ntaub txhob lo lo ntxhuav nyoos mus rau carbon fiber sab saud ntawm cov saw hlau carbon fiber kev lag luam yuav tsum dhau los ntawm cov txheej txheem xws li oxidation furnaces, carbonization furnaces, graphitization furnaces, kev kho qhov chaw, thiab sizing. Cov qauv fiber yog dominated los ntawm carbon fiber.
Qhov nce ntawm cov saw hlau carbon fiber yog los ntawm kev lag luam petrochemical, thiab acrylonitrile feem ntau yog tau los ntawm kev ua roj av, tawg, ammonia oxidation, thiab lwm yam.; Polyacrylonitrile precursor fiber, carbon fiber yog tau los ntawm kev ua ntej oxidizing thiab carbonizing cov precursor fiber, thiab cov khoom siv carbon fiber composite yog tau los ntawm kev ua cov carbon fiber thiab cov khoom siv zoo kom tau raws li cov kev xav tau ntawm daim ntawv thov.
Cov txheej txheem tsim cov carbon fiber feem ntau suav nrog kev kos duab, kev kos duab, kev ruaj khov, carbonization, thiab graphitization. Raws li pom hauv daim duab:
Daim duab:Qhov no yog thawj kauj ruam hauv cov txheej txheem tsim cov carbon fiber. Nws feem ntau cais cov khoom siv raw ua cov fibers, uas yog kev hloov pauv lub cev. Thaum lub sijhawm no, qhov hloov pauv loj thiab cua sov hloov pauv ntawm cov kua spinning thiab cov kua coagulation, thiab thaum kawg PAN precipitation. Filaments tsim cov qauv gel.
Kev Sau Ntawv:xav tau qhov kub ntawm 100 txog 300 degrees kom ua haujlwm ua ke nrog cov nyhuv ncab ntawm cov fibers oriented. Nws tseem yog ib kauj ruam tseem ceeb hauv qhov siab modulus, siab reinforcement, densification, thiab refinement ntawm PAN fibers.
Kev Ruaj Ntseg:Cov thermoplastic PAN linear macromolecular saw hlau raug hloov mus ua cov qauv trapezoidal uas tsis yog yas uas tiv taus cua sov los ntawm txoj kev ua kom sov thiab oxidation ntawm 400 degrees, yog li nws tsis yaj thiab tsis kub hnyiab ntawm qhov kub siab, tswj cov duab fiber, thiab thermodynamics nyob rau hauv lub xeev ruaj khov.
Kev ua kom carbonization:Nws yog ib qho tsim nyog los tsav cov khoom tsis yog carbon hauv PAN ntawm qhov kub ntawm 1,000 txog 2,000 degrees, thiab thaum kawg tsim cov carbon fibers nrog cov qauv graphite turbostratic nrog cov ntsiab lus carbon ntau dua 90%.
Kev ua kom muaj graphitization: Nws xav tau qhov kub ntawm 2,000 txog 3,000 degrees kom hloov cov khoom siv amorphous thiab turbostratic carbonized mus rau hauv cov qauv graphite peb-seem, uas yog qhov kev ntsuas tseem ceeb los txhim kho cov modulus ntawm cov carbon fibers.
Cov txheej txheem ntxaws ntawm cov pa roj carbon fiber los ntawm cov txheej txheem tsim cov ntaub txhob lo lo ntxhuav mus rau cov khoom tiav yog tias cov ntaub txhob lo lo ntxhuav PAN yog tsim los ntawm cov txheej txheem tsim cov ntaub txhob lo lo ntxhuav yav dhau los. Tom qab ua ntej kos duab los ntawm cua sov ntub ntawm lub tshuab pub hlau, nws raug xa mus rau lub cub tawg ua ntej-oxidation los ntawm lub tshuab kos duab. Tom qab ci ntawm qhov kub sib txawv hauv pawg cua sov ua ntej-oxidation, cov fibers oxidized raug tsim, uas yog, cov fibers pre-oxidized; cov fibers pre-oxidized raug tsim rau hauv cov fibers carbon tom qab dhau los ntawm qhov kub nruab nrab thiab kub siab carbonization cub tawg; cov fibers carbon tom qab ntawd raug rau kev kho qhov chaw kawg, sizing, ziab thiab lwm yam txheej txheem kom tau txais cov khoom carbon fiber. . Tag nrho cov txheej txheem ntawm kev pub hlau tas mus li thiab kev tswj hwm meej, teeb meem me me hauv txhua txoj kev yuav cuam tshuam rau kev tsim khoom ruaj khov thiab qhov zoo ntawm cov khoom carbon fiber kawg. Kev tsim cov ntaub txhob lo lo ntxhuav carbon muaj cov txheej txheem ntws ntev, ntau lub ntsiab lus tseem ceeb, thiab cov teeb meem tsim khoom siab. Nws yog kev koom ua ke ntawm ntau yam kev qhuab qhia thiab thev naus laus zis.
Qhov saum toj no yog kev tsim cov carbon fiber, cia peb saib seb cov ntaub carbon fiber siv li cas!
Kev ua cov khoom siv carbon fiber
1. Txiav
Cov khoom npaj ua ntej raug coj tawm ntawm qhov chaw cia khoom txias ntawm qhov kub tsis tshaj 18 degrees. Tom qab sawv, thawj kauj ruam yog txiav cov khoom kom raug raws li daim duab qhia khoom ntawm lub tshuab txiav tsis siv neeg.
2. Kev Paving
Kauj ruam thib ob yog muab cov prepreg tso rau ntawm cov cuab yeej tso, thiab muab cov khaubncaws sab nraud povtseg sib txawv raws li qhov yuav tsum tau tsim. Txhua yam txheej txheem raug ua tiav hauv qab laser positioning.
3. Tsim
Los ntawm ib lub tshuab ua haujlwm tsis siv neeg, cov preform raug xa mus rau lub tshuab molding rau kev nias molding.
4. Txiav
Tom qab ua tiav lawm, cov khoom ua haujlwm raug xa mus rau qhov chaw ua haujlwm txiav rau kauj ruam thib plaub ntawm kev txiav thiab tshem tawm cov burr kom ntseeg tau tias qhov loj ntawm cov khoom ua haujlwm raug. Cov txheej txheem no kuj tseem tuaj yeem ua haujlwm ntawm CNC.
5. Kev Ntxuav
Kauj ruam thib tsib yog ua kom huv dej khov qhuav ntawm qhov chaw ntxuav kom tshem tawm cov neeg sawv cev tso tawm, uas yooj yim rau cov txheej txheem txheej kua nplaum tom qab.
6. Kua nplaum
Kauj ruam thib rau yog siv cov kua nplaum rau ntawm qhov chaw ua haujlwm ntawm lub tshuab ua kua nplaum. Qhov chaw ua kua nplaum, qhov ceev ntawm cov kua nplaum, thiab cov kua nplaum tawm raug kho kom raug. Ib feem ntawm kev sib txuas nrog cov khoom hlau yog riveted, uas tau ua tiav ntawm qhov chaw ua riveting.
7. Kev tshuaj xyuas sib dhos
Tom qab siv cov kua nplaum lawm, cov vaj huam sib luag sab hauv thiab sab nraud yuav raug sib dhos ua ke. Tom qab cov kua nplaum qhuav lawm, yuav siv lub teeb xiav los ntes kom paub tseeb tias qhov loj ntawm cov qhov tseem ceeb, cov ntsiab lus, cov kab, thiab cov nto yog qhov tseeb.
Cov roj carbon fiber nyuaj dua rau kev ua
Cov roj carbon fiber muaj ob qho tib si lub zog tensile ntawm cov ntaub ntawv carbon thiab cov fibers mos mos. Cov roj carbon fiber yog cov khoom siv tshiab nrog cov khoom siv kho tshuab zoo heev. Piv txwv li, carbon fiber thiab peb cov hlau feem ntau, lub zog ntawm carbon fiber yog li ntawm 400 txog 800 MPa, thaum lub zog ntawm cov hlau feem ntau yog 200 txog 500 MPa. Saib ntawm kev tawv, carbon fiber thiab hlau yeej zoo sib xws, thiab tsis muaj qhov sib txawv pom tseeb.
Cov roj carbon fiber muaj zog dua thiab qhov hnyav dua, yog li cov roj carbon fiber tuaj yeem hu ua tus vaj ntxwv ntawm cov ntaub ntawv tshiab. Vim yog qhov zoo no, thaum lub sijhawm ua cov roj carbon fiber reinforced composites (CFRP), cov matrix thiab cov fibers muaj kev sib cuam tshuam sab hauv nyuaj, ua rau lawv cov khoom sib txawv ntawm cov hlau. Qhov ceev ntawm CFRP me dua li cov hlau, thaum lub zog loj dua li feem ntau cov hlau. Vim yog qhov tsis sib xws ntawm CFRP, kev rub tawm ntawm cov fiber lossis kev sib cais ntawm cov fiber matrix feem ntau tshwm sim thaum lub sijhawm ua; CFRP muaj kev tiv thaiv kub thiab hnav tsis kam, uas ua rau nws xav tau ntau dua rau cov khoom siv thaum lub sijhawm ua, yog li muaj ntau qhov kub txiav tsim tawm hauv cov txheej txheem ntau lawm, uas yog qhov hnyav dua rau kev hnav khoom siv.
Tib lub sijhawm, nrog rau kev nthuav dav ntawm nws cov teb thov, cov kev cai tau dhau los ua qhov nyuaj dua, thiab cov kev cai rau kev siv cov ntaub ntawv thiab cov kev cai zoo rau CFRP tau dhau los ua qhov nruj dua, uas kuj ua rau tus nqi ua tiav nce siab.
Kev ua cov carbon fiber board
Tom qab cov carbon fiber board tau kho thiab tsim, kev ua tiav tom qab xws li kev txiav thiab kev khawb yog qhov yuav tsum tau ua rau qhov yuav tsum tau ua kom raug lossis kev sib dhos. Nyob rau hauv tib qho xwm txheej xws li cov txheej txheem txiav thiab qhov tob txiav, kev xaiv cov cuab yeej thiab cov laum ntawm cov ntaub ntawv sib txawv, qhov loj me thiab cov duab yuav muaj cov teebmeem sib txawv heev. Tib lub sijhawm, cov yam xws li lub zog, kev coj ua, lub sijhawm, thiab qhov kub ntawm cov cuab yeej thiab cov laum kuj tseem yuav cuam tshuam rau cov txiaj ntsig ua tiav.
Hauv cov txheej txheem tom qab ua tiav, sim xaiv cov cuab yeej ntse nrog cov txheej pob zeb diamond thiab cov laum carbide khov kho. Qhov kev tiv thaiv kev hnav ntawm cov cuab yeej thiab cov laum nws tus kheej txiav txim siab qhov zoo ntawm kev ua tiav thiab lub neej ua haujlwm ntawm cov cuab yeej. Yog tias cov cuab yeej thiab cov laum tsis ntse txaus lossis siv tsis raug, nws yuav tsis tsuas yog ua kom nrawm dua qhov hnav thiab tsim kua muag, ua rau tus nqi ua tiav ntawm cov khoom nce ntxiv, tab sis kuj ua rau lub phaj puas tsuaj, cuam tshuam rau cov duab thiab qhov loj ntawm lub phaj thiab qhov ruaj khov ntawm qhov loj me ntawm cov qhov thiab cov grooves ntawm lub phaj. Ua rau cov khoom tawg ua ntau txheej, lossis txawm tias thaiv tawg, ua rau tag nrho lub rooj tsavxwm tawg.
Thaum lub sijhawm drillingcov ntawv carbon fiber, qhov ceev dua, qhov zoo dua qhov cuam tshuam. Hauv kev xaiv cov ntsis laum, qhov tsim tshwj xeeb ntawm lub ntsis laum ntawm PCD8 lub ntsej muag ntug laum yog qhov tsim nyog dua rau cov ntawv carbon fiber, uas tuaj yeem nkag mus rau hauv cov ntawv carbon fiber zoo dua thiab txo qhov kev pheej hmoo ntawm kev tawg.
Thaum txiav cov ntawv carbon fiber tuab, nws raug pom zoo kom siv lub tshuab txiav ob-edged compression milling cutter nrog sab laug thiab sab xis helical ntug tsim. Cov ntug txiav ntse no muaj ob qho tib si sab saud thiab sab qis helical tswv yim kom sib npaug lub zog axial ntawm lub cuab yeej nce thiab nqis thaum txiav. , kom ntseeg tau tias lub zog txiav tshwm sim raug coj mus rau sab hauv ntawm cov khoom siv, yog li kom tau txais cov xwm txheej txiav ruaj khov thiab tiv thaiv qhov tshwm sim ntawm cov khoom delamination. Kev tsim ntawm sab saud thiab sab qis pob zeb diamond-puab ntug ntawm "Pineapple Edge" router kuj tseem tuaj yeem txiav cov ntawv carbon fiber zoo. Nws lub flute tob chip tuaj yeem tshem tawm ntau qhov kub txiav los ntawm kev tso tawm ntawm cov chips thaum lub sijhawm txiav, yog li kom tsis txhob muaj kev puas tsuaj rau cov carbon fiber. Cov yam ntxwv ntawm daim ntawv.
01 Cov fiber ntev txuas ntxiv mus
Cov yam ntxwv ntawm cov khoom:Cov khoom siv feem ntau ntawm cov tuam txhab tsim cov roj carbon fiber, cov pob khoom no muaj ntau txhiab tus monofilaments, uas muab faib ua peb hom raws li txoj kev sib ntswg: NT (Tsis Txhob Sib Ntxig, Tsis Sib Ntxig), UT (Tsis Sib Ntxig, Tsis Sib Ntxig), TT lossis ST (Twisted, Sib Ntxig), uas NT yog cov roj carbon fiber feem ntau siv.
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 teb thov suav nrog cov khoom siv dav hlau / aerospace, cov khoom siv kis las thiab cov khoom siv hauv kev lag luam.
02 Cov Xov Paj Staple Fiber
Cov yam ntxwv ntawm cov khoom:cov xov paj luv luv rau luv luv, cov xov paj uas tig los ntawm cov xov paj luv luv, xws li cov xov paj carbon dav dav, feem ntau yog cov khoom lag luam hauv daim ntawv ntawm cov xov paj luv luv.
Cov kev siv tseem ceeb:cov ntaub ntawv rwb thaiv tshav kub, cov ntaub ntawv tiv thaiv kev sib txhuam, C/C composite parts, thiab lwm yam.
03 Cov Khoom Siv Carbon Fiber
Cov yam ntxwv ntawm cov khoom:Nws yog ua los ntawm cov carbon fiber tas mus li lossis cov xov carbon fiber spun. Raws li txoj kev weaving, cov ntaub carbon fiber tuaj yeem muab faib ua cov ntaub woven, cov ntaub knitted thiab cov ntaub tsis-woven. Tam sim no, cov ntaub carbon fiber feem ntau yog cov ntaub woven.
Daim ntawv thov tseem ceeb:Tib yam li cov roj carbon fiber tas mus li, 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 teb thov suav nrog cov khoom siv dav hlau / aerospace, cov khoom siv kis las thiab cov khoom siv khoom siv hauv kev lag luam.
04 Carbon Fiber Braided Siv
Cov yam ntxwv ntawm cov khoom:Nws yog ib hom carbon fiber ntaub, uas kuj yog woven los ntawm tas mus li carbon fiber lossis carbon fiber spun yarn.
Kev siv tseem ceeb:Feem ntau yog siv rau cov ntaub ntawv txhawb nqa raws li cov resin, tshwj xeeb tshaj yog rau kev tsim khoom thiab kev ua cov khoom tubular.
05 Cov roj carbon fiber txiav
Cov yam ntxwv ntawm cov khoom:Txawv ntawm lub tswv yim ntawm cov xov paj carbon fiber spun, nws feem ntau yog npaj los ntawm cov carbon fiber txuas ntxiv mus los ntawm kev ua cov khoom txiav, thiab qhov ntev ntawm cov fiber txiav tuaj yeem txiav raws li cov neeg siv khoom xav tau.
Cov kev siv tseem ceeb:Feem ntau siv ua cov khoom sib xyaw ntawm cov yas, cov resins, cement, thiab lwm yam, los ntawm kev sib tov rau hauv lub matrix, cov khoom siv kho tshuab, kev hnav tsis kam, kev ua hluav taws xob thiab kev tiv thaiv kub tuaj yeem txhim kho; nyob rau hauv xyoo tas los no, cov fibers reinforcing hauv 3D luam ntawv carbon fiber composites feem ntau yog chopped carbon fibers. lub ntsiab.
06 Sib tsoo cov carbon fiber
Cov yam ntxwv ntawm cov khoom:Vim tias carbon fiber yog cov khoom siv brittle, nws tuaj yeem npaj ua cov khoom siv carbon fiber hmoov tom qab sib tsoo, uas yog, sib tsoo carbon fiber.
Daim ntawv thov tseem ceeb:zoo ib yam li cov carbon fiber uas raug txiav, tab sis tsis tshua siv rau hauv kev txhawb nqa cement; feem ntau yog siv los ua cov khoom sib xyaw ntawm cov yas, resin, roj hmab, thiab lwm yam los txhim kho cov khoom siv kho tshuab, hnav tsis kam, hluav taws xob conductivity thiab cua sov tsis kam ntawm lub matrix.
07 Cov roj carbon fiber lev
Cov yam ntxwv ntawm cov khoom:Daim ntawv tseem ceeb yog xav los yog lev. Ua ntej, cov fibers luv luv yog layered los ntawm kev siv tshuab carding thiab lwm txoj kev, thiab tom qab ntawd npaj los ntawm koob punching; tseem hu ua carbon fiber non-woven fabric, nws yog ib hom carbon fiber woven fabric.Cov kev siv tseem ceeb:cov ntaub ntawv rwb thaiv tsev thermal, cov khoom siv rwb thaiv tsev thermal molded, cov txheej tiv thaiv kub-resistant thiab cov txheej substrates-resistant corrosion, thiab lwm yam.
08 Cov ntawv carbon fiber
Cov yam ntxwv ntawm cov khoom:Nws yog npaj los ntawm carbon fiber los ntawm cov txheej txheem ua ntawv qhuav lossis ntub.
Cov kev siv tseem ceeb:Cov phaj tiv thaiv hluav taws xob, cov electrodes, cov khoom siv hais lus thiab cov phaj cua sov; cov ntawv thov kub hauv xyoo tas los no yog cov ntaub ntawv cathode roj teeb tsheb tshiab, thiab lwm yam.
09 Cov khoom siv carbon fiber prepreg
Cov yam ntxwv ntawm cov khoom:ib qho khoom siv nruab nrab semi-hardened ua los ntawm carbon fiber impregnated thermosetting resin, uas muaj cov khoom siv kho tshuab zoo heev thiab siv dav; qhov dav ntawm carbon fiber prepreg nyob ntawm qhov loj ntawm cov khoom siv ua tiav, thiab cov lus qhia dav dav suav nrog 300mm, 600mm, thiab 1000mm dav prepreg khoom.
Daim ntawv thov tseem ceeb:cov khoom siv dav hlau/aerospace, cov khoom siv kis las thiab cov khoom siv kev lag luam, thiab lwm yam.
010 cov khoom siv carbon fiber sib xyaw
Cov yam ntxwv ntawm cov khoom:Cov khoom siv txhaj tshuaj molding ua los ntawm thermoplastic lossis thermosetting resin sib xyaw nrog carbon fiber, qhov sib tov no ntxiv nrog ntau yam additives thiab chopped fibers, thiab tom qab ntawd dhau los ntawm cov txheej txheem compounding.
Daim ntawv thov tseem ceeb:Kev cia siab rau cov khoom siv hluav taws xob zoo heev, kev ruaj khov siab thiab qhov zoo ntawm lub teeb yuag, nws feem ntau yog siv rau hauv cov khoom siv casings thiab lwm yam khoom.
Peb kuj tsim khoomfiberglass direct roving,cov ntaub fiberglass, fiberglass mesh, thiabfiberglass roving.
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Lub sijhawm tshaj tawm: Lub Rau Hli-01-2022
