xov xwm

Tus phab ej tsis muaj npe nrov ntawm Composites: Kev Tshawb Fawb tob tob rau hauv Yuav Ua Li Cas Fiberglass Roving

Hauv ntiaj teb ntawm cov khoom sib xyaw ua ke siab heev, cov ntaub ntawv xws li carbon fiber feem ntau nyiag lub teeb pom kev zoo. Tab sis tom qab yuav luag txhua yam khoom fiberglass uas muaj zog, ruaj khov, thiab sib dua - los ntawm lub cev nkoj thiab cov hniav cua tshuab mus rau cov khoom siv tsheb thiab pas dej ua ke - muaj cov khoom siv txhawb nqa tseem ceeb:fiberglass rovingCov xov iav no uas siv tau ntau yam thiab txuas ntxiv mus yog lub hauv paus tseem ceeb ntawm kev lag luam composites. Tab sis cov khoom siv tseem ceeb no raug tsim li cas?

Tsab xov xwm no muab kev nkag siab tob txog cov txheej txheem kev lag luam ntawm kev tsim cov fiberglass roving, los ntawm cov xuab zeb nyoos mus rau qhov kawg spool npaj rau kev xa khoom.

Fiberglass Roving yog dab tsi?

Ua ntej koj yuav nkag siab txog lo lus "yuav ua li cas," koj yuav tsum nkag siab txog lo lus "dab tsi."Fiberglass rovingyog ib qho kev sib sau ua ke ntawm cov iav sib luag, txuas ntxiv mus ua ke rau hauv ib txoj hlua, tsis sib ntswg. Nws feem ntau yog qhwv rau ntawm lub spool loj lossis pob khoom tsim. Cov qauv no ua rau nws zoo tagnrho rau cov txheej txheem uas muaj zog siab thiab sai ntub tawm (saturation nrog resin) yog qhov tseem ceeb, xws li:

–Kev sib txhuam:Tsim cov qauv ntu txuas ntxiv tas li xws li cov ntoo khaub lig thiab cov tuav.

–Kev siv filament winding:Tsim cov hlab ntsha siab, cov kav dej, thiab cov plhaub ntawm lub cav rocket.

–Cov Khoom Siv Chopped Strand Mat (CSM) Ntau Lawm:Qhov twg cov roving yog chopped thiab random faib rau hauv ib daim lev.

–Cov Ntawv Thov Tshuaj Txau:Siv rab phom chopper los pleev cov resin thiab iav tib lub sijhawm.

Tus yuam sij rau nws qhov kev ua tau zoo yog nyob rau hauv nws qhov xwm txheej tas mus li thiab qhov zoo ntawm cov iav filaments.

Cov Txheej Txheem Tsim Khoom: Kev Mus Los Ntawm Xuab Zeb Mus Rau Spool

Kev tsim khoom ntawmfiberglass rovingyog ib qho txheej txheem uas ua haujlwm tas mus li, kub heev, thiab ua haujlwm tsis siv neeg ntau. Nws muaj peev xwm muab faib ua rau theem tseem ceeb.

Theem 1: Kev Ua Ib Pawg - Daim Ntawv Qhia Txog Qhov Tseeb

Tej zaum yuav xav tsis thoob, tab sis fiberglass pib nrog tib yam khoom siv niaj hnub zoo li ntug hiav txwv: xuab zeb silica. Txawm li cas los xij, cov khoom siv raw raug xaiv thiab sib xyaw ua tib zoo. Cov khoom sib xyaw no, hu ua "batch," feem ntau muaj cov hauv qab no:

–Xuab zeb silica (SiO₂):Tus thawj iav ua, muab cov qauv tseem ceeb.

–Pob zeb Limestone (Calcium Carbonate):Pab kom lub iav ruaj khov.

–Cov tshauv dej qab zib (Sodium Carbonate):Txo qhov kub ntawm cov xuab zeb yaj, txuag hluav taws xob.

–Lwm Cov Khoom Ntxiv:Cov zaub mov me me xws li borax, av nplaum, lossis magnesite raug ntxiv rau kom muab cov khoom tshwj xeeb xws li kev tiv thaiv tshuaj lom neeg zoo dua (xws li hauv E-CR iav) lossis hluav taws xob rwb thaiv tsev (E-iav).

Cov khoom siv raw no raug ntsuas qhov hnyav thiab sib tov ua ke kom sib npaug, npaj rau lub cub tawg.

Theem 2: Yaj - Kev Hloov Pauv Hluav Taws

Cov khoom no raug pub rau hauv lub cub tawg loj heev uas siv roj av ua haujlwm ntawm qhov kub thiab txias kwv yees li ntawm1400°C txog 1600°C (2550°F txog 2900°F)Hauv lub qhov cub hluav taws no, cov khoom siv raw khov kho tau hloov pauv mus ua ib qho kua nplaum uas sib xyaw ua ke hu ua iav yaj. Lub cub hluav taws ua haujlwm tas li, nrog rau cov khoom tshiab ntxiv rau ntawm ib kawg thiab cov iav yaj raug rub los ntawm lwm qhov.

Theem 3: Kev Ua Kom Muaj Fiber - Kev Yug Los Ntawm Filaments

Qhov no yog qhov tseem ceeb tshaj plaws thiab txaus nyiam tshaj plaws ntawm cov txheej txheem. Cov iav molten ntws los ntawm lub cub tawg pem hauv ntej mus rau hauv cov khoom siv tshwj xeeb hu ua alub bushingIb lub bushing yog ib lub phaj hlau platinum-rhodium, tiv taus cua sov thiab xeb heev, muaj ntau pua lossis ntau txhiab lub qhov me me, lossis cov lus qhia.

Thaum cov iav uas yaj lawm ntws los ntawm cov ntsis no, nws tsim cov dej me me, ruaj khov. Cov dej no ces txias sai sai thiab rub los ntawm lub tshuab cua ceev ceev uas nyob deb hauv qab. Cov txheej txheem kos duab no ua rau cov iav qaug zog, rub nws mus rau hauv cov filaments zoo heev nrog rau txoj kab uas hla feem ntau yog txij li 9 txog 24 micrometers - nyias dua li cov plaub hau tib neeg.

Theem 4: Kev Siv Sizing - Kev Txheej Txheem Tseem Ceeb

Tam sim ntawd tom qab cov filaments tau tsim, tab sis ua ntej lawv kov ib leeg, lawv tau coated nrog cov tshuaj lom neeg hu uakev ntsuas qhov lojlos yog ib qhotus neeg sawv cev txuasCov kauj ruam no tej zaum yuav tseem ceeb npaum li qhov kev ua kom cov fiber ntau dua. Qhov kev ntsuas qhov loj ua ntau yam haujlwm tseem ceeb:

–Kev Siv Lubrication:Tiv thaiv cov filaments uas tsis muaj zog los ntawm kev sib txhuam tawm tsam ib leeg thiab cov khoom siv ua haujlwm.

–Kev sib txuas:Tsim ib lub choj tshuaj ntawm qhov chaw iav inorganic thiab cov organic polymer resin, ua kom zoo dua qhov kev nplaum thiab lub zog sib xyaw.

–Kev Txo Qhov Tsis Zoo Li Qub:Tiv thaiv kom tsis txhob muaj hluav taws xob static.

–Kev sib koom ua ke:Khi cov filaments ua ke los tsim ib txoj hlua sib xws.

Cov qauv tshwj xeeb ntawm qhov loj me yog ib qho zais cia los ntawm cov tuam txhab tsim khoom thiab yog tsim los rau kev sib xws nrog cov resins sib txawv (polyester, epoxy,vinyl ester).

Kauj Ruam 5: Kev Sib Sau Ua Ke thiab Kev Tsim Cov Strand

Cov pua pua ntawm cov filaments loj me me tam sim no sib sau ua ke. Lawv tau sib sau ua ke hla ib kab ntawm cov rollers, hu ua cov khau sib sau ua ke, los tsim ib txoj hlua txuas ntxiv mus - qhov roving tshiab. Tus naj npawb ntawm cov filaments sib sau ua ke txiav txim siab qhov kawg "tex" lossis qhov hnyav-ib-ntev ntawm kev roving.

Theem 6: Kev Txuas - Lub Pob Khoom Kawg

Lub continuous strand ntawm rovingthaum kawg raug qhwv rau ntawm lub collet uas tig tau, tsim ib lub pob loj, cylindrical hu ua "doff" lossis "forming package." Qhov ceev winding yog siab heev, feem ntau tshaj 3,000 meters ib feeb. Cov tshuab winding niaj hnub siv cov kev tswj hwm zoo heev los xyuas kom meej tias lub pob tau qhwv sib npaug thiab nrog qhov nruj kom raug, tiv thaiv kev sib xyaw thiab tawg hauv cov ntawv thov downstream.

Thaum ib pob khoom puv lawm, nws raug tshem tawm (tshem tawm), tshuaj xyuas seb puas zoo, muab daim ntawv lo rau, thiab npaj xa mus rau cov neeg tsim khoom thiab cov chaw tsim khoom sib xyaw thoob ntiaj teb.

Kev Tswj Xyuas Zoo: Lub Pob Txha Uas Tsis Pom

Thoob plaws hauv tag nrho cov txheej txheem no, kev tswj xyuas zoo yog qhov tseem ceeb heev. Cov tshuab ua haujlwm tsis siv neeg thiab cov kws kho mob hauv chav kuaj mob yuav saib xyuas cov yam ntxwv xws li:

-Qhov sib xws ntawm txoj kab uas hla ntawm cov xov hlau

-Tex (linear density)

- Kev ncaj ncees ntawm cov hlua thiab kev ywj pheej ntawm kev tawg

- Kev sib npaug ntawm daim ntawv thov loj

-Qhov zoo ntawm pob khoom

Qhov no ua kom ntseeg tau tias txhua lub spool ntawm roving ua tau raws li cov qauv nruj uas xav tau rau cov ntaub ntawv sib xyaw ua haujlwm siab.

Xaus Lus: Ib qho txuj ci tseem ceeb hauv kev tsim kho hauv lub neej txhua hnub

Kev tsim ntawmfiberglass rovingyog ib qho txuj ci tseem ceeb ntawm kev tsim kho kev lag luam, hloov cov khoom siv yooj yim, muaj ntau yam mus rau hauv kev txhawb nqa high-tech uas tsim peb lub ntiaj teb niaj hnub no. Lub sijhawm tom ntej koj pom lub tshuab cua tig zoo nkauj, lub tsheb ua si zoo nkauj, lossis lub yeeb nkab fiberglass rugged, koj yuav txaus siab rau txoj kev taug kev nyuaj ntawm kev tsim kho tshiab thiab kev ua haujlwm raug uas pib nrog xuab zeb thiab hluav taws, ua rau tus phab ej tsis paub ntawm cov khoom sib xyaw: fiberglass roving.

Tiv Tauj Peb:

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