xov xwm

Tes nteg yog ib qho yooj yim, kev lag luam thiab ua tau zoo FRP molding txheej txheem uas tsis tas yuav siv ntau cov cuab yeej thiab peev peev thiab tuaj yeem ua tiav cov peev txheej hauv lub sijhawm luv luv.

1. Txau thiab pleev xim ntawm gel tsho tiv no

Txhawm rau txhim kho thiab ua kom zoo nkauj ntawm lub xeev ntawm FRP cov khoom lag luam, nce tus nqi ntawm cov khoom, thiab xyuas kom meej tias cov txheej hauv FRP tsis yog eroded thiab txuas ntxiv lub neej kev pab cuam ntawm cov khoom, feem ntau ua haujlwm ntawm cov khoom. rau hauv ib txheej nrog pigment paste (xim paste), cov ntsiab lus siab ntawm cov nplaum nplaum, nws tuaj yeem ua cov ntshiab resin, tab sis kuj tseem txhim kho nrog cov kev xav.Cov txheej no yog hu ua gel txheej txheej (tseem hu ua txheej txheej lossis txheej txheej zoo nkauj).Qhov zoo ntawm gel txheej txheej ncaj qha cuam tshuam rau sab nraud zoo ntawm cov khoom nrog rau huab cua tsis kam, dej tsis kam thiab tsis kam mus rau tshuaj lom neeg tawm, thiab lwm yam. Yog li ntawd, cov ntsiab lus hauv qab no yuav tsum tau muab sau tseg thaum txau lossis pleev xim rau gel txheej txheej.

2.Kev txiav txim siab ntawm cov txheej txheem

Cov txheej txheem txoj kev muaj feem xyuam rau ntau yam xws li cov khoom zoo, cov nqi ntawm cov khoom thiab ntau lawm voj voog (ntau lawm efficiency).Yog li ntawd, ua ntej kev tsim khoom, nws yog ib qho tsim nyog yuav tsum muaj kev nkag siab zoo ntawm cov txheej txheem kev ua haujlwm (ib puag ncig, qhov kub thiab txias, nruab nrab, thauj khoom ……, thiab lwm yam), cov qauv khoom, ntau lawm thiab kev tsim kho thaum cov khoom siv, thiab tom qab kev tshuaj xyuas. thiab kev tshawb fawb, txhawm rau txiav txim siab cov txheej txheem molding, feem ntau hais lus, yuav tsum xav txog cov hauv qab no.

3.Lub ntsiab lus tseem ceeb ntawm cov txheej txheem tsim

(1) Raws li cov kev xav tau ntawm cov khoom siv los xaiv cov khoom tsim nyog (cov ntaub ntawv txhawb zog, cov khoom siv thiab lwm yam khoom siv pabcuam, thiab lwm yam).Hauv kev xaiv cov khoom siv raw, cov hauv qab no feem ntau suav nrog.

① Txawm hais tias cov khoom yog nyob rau hauv kev sib cuag nrog cov kua qaub thiab alkaline xov xwm, hom xov xwm, concentration, siv kub, tiv tauj lub sij hawm, thiab lwm yam.

②Txawm hais tias muaj qhov yuav tsum tau ua haujlwm xws li lub teeb kis tau tus mob, nplaim hluav taws, thiab lwm yam.

③Nyob rau hauv cov ntsiab lus ntawm txhua yam khoom, txawm nws yog dynamic los yog zoo li qub load.

④Nrog lossis tsis muaj kev tiv thaiv kev xau thiab lwm yam kev xav tau tshwj xeeb.

(2) Txheeb xyuas cov qauv pwm thiab cov khoom siv.

(3) Kev xaiv tus neeg tso tawm.

(4) Txiav txim siab cov resin curing haum thiab curing system.

(5) Raws li cov khoom thickness thiab lub zog yuav tsum tau, txiav txim siab ntau yam ntawm cov ntaub ntawv reinforcing, specifications, tus naj npawb ntawm cov khaubncaws sab nraud povtseg thiab txoj kev nteg cov txheej.

(6) Kev npaj cov txheej txheem molding.

4. iav fiber reinforced yas txheej paste system

Tes nteg yog txheej txheem tseem ceeb ntawm cov txheej txheem ntawm tes muab tshuaj molding, yuav tsum ua haujlwm zoo kom ua tiav sai, raug, cov ntsiab lus resin tsis sib xws, tsis muaj npuas pom tseeb, tsis muaj impregnation tsis zoo, tsis muaj kev puas tsuaj rau cov fiber ntau thiab cov khoom nto tiaj tus, kom ntseeg tau qhov zoo. ntawm cov khoom.Yog li ntawd, txawm hais tias kev ua haujlwm gluing yog qhov yooj yim, nws tsis yooj yim heev los ua kom cov khoom zoo, thiab yuav tsum tau ua tiag tiag.

(1) Thickness tswj

iav fiber ntaureinforced yas khoom thickness tswj, yog txhais tes muab tshuaj txhuam txheej txheem tsim thiab cov txheej txheem ntau lawm yuav ntsib teeb meem kev, thaum peb paub qhov yuav tsum tau thickness ntawm ib yam khoom, nws yog tsim nyog los xam txiav txim siab resin, muab tub lim cov ntsiab lus thiab cov khoom siv reinforcing siv nyob rau hauv specifications. , tus naj npawb ntawm txheej.Ces xam nws approximate thickness raws li nram no cov mis nyuj.

(2) Kev suav ntawm resin ntau npaum li cas

Kev siv ntau npaum li cas ntawm FRP yog ib qho tseem ceeb ntawm cov txheej txheem, uas tuaj yeem xam los ntawm ob txoj hauv qab no.

Ib tug xam raws li lub hauv paus ntsiab lus ntawm qhov sib txawv filling, cov mis rau xam tus nqi ntawm resin, tsuas yog paub qhov loj ntawm chav tsev cheeb tsam ntawm iav ntaub thiab qhov sib npaug thickness (ib txheej ntawmiavfiber ntaudaim ntaub sib npaug ntawm qhov tuab ntawm cov khoom), koj tuaj yeem suav tus nqi ntawm cov resin muaj nyob hauv FRP

B xam los ntawm thawj zaug xam qhov loj ntawm cov khoom thiab txiav txim qhov feem pua ​​ntawm cov iav fiber ntau.

(3)iavfiber ntaudaim ntaub paste system

Cov khoom siv nrog gelcoat txheej, gelcoat tsis tuaj yeem sib xyaw nrog impurities, muab tshuaj txhuam ua ntej lub kaw lus yuav tsum tiv thaiv kev ua qias tuaj ntawm cov gelcoat txheej thiab cov txheej txheej rov qab, kom tsis txhob ua rau tsis zoo ntawm cov txheej txheem, thiab cuam tshuam rau cov khoom zoo.Lub gel txheej txheej tuaj yeem txhim kho nrogntomat.Paste system yuav tsum tau them sai sai rau cov resin impregnation ntawm iav fibers, ua ntej ua cov resin infiltration ntawm tag nrho cov saum npoo ntawm fiber ntau, thiab ces ua rau huab cua nyob rau hauv lub fiber bundle kiag li hloov los ntawm resin.Nws yog ib qho tseem ceeb heev los xyuas kom meej tias thawj txheej ntawm cov khoom siv ntxiv yog impregnated nrog cov resin thiab zoo sib xws, tshwj xeeb tshaj yog rau qee cov khoom siv rau hauv qhov kub thiab txias.Cov impregnation tsis zoo thiab cov lamination tsis zoo tuaj yeem tawm hauv huab cua nyob ib puag ncig ntawm gelcoat txheej, thiab cov huab cua sab laug no tuaj yeem ua rau huab cua npuas thaum lub sijhawm kho thiab siv cov khoom vim thermal expansion.

Tes lay-up system, ua ntej nyob rau hauv lub gel txheej txheej los yog pwm tsim nto nrog ib tug txhuam, scraper los yog impregnation rau cov menyuam thiab lwm yam tes muab tshuaj txhuam tusyees coated nrog ib tug txheej ntawm npaj cob, thiab ces nteg ib txheej ntawm cov ntaub ntawv reinforcing (xws li kab pheeb ces kaum, nyias daim ntaub los yog nto nto, thiab lwm yam), ua raws li los ntawm kev tsim cov cuab yeej yuav tsum txhuam tiaj tus, nias, kom nws haum zoo, thiab xyuam xim rau kev cais tawm ntawm huab cua npuas, thiaj li hais tias cov iav ntaub tag impregnated, tsis yog ob. los yog ntau txheej txheej ntawm cov khoom siv ntxiv rau tib lub sij hawm Tso.Rov ua cov haujlwm saum toj no, kom txog thaum lub thickness xav tau los ntawm tus tsim.

Yog hais tias lub geometry ntawm cov khoom yog complex, qee qhov chaw uas cov khoom siv reinforcing tsis tau nteg tiaj, npuas tsis yooj yim rau kev tshem tawm, cov txiab siv tau los txiav qhov chaw thiab ua kom tiaj tus, nws yuav tsum tau muab sau tseg tias txhua txheej yuav tsum. yuav staggered qhov chaw ntawm qhov txiav, thiaj li tsis ua rau poob ntawm lub zog.

Rau qhov chaw nrog lub kaum ntse ntse, tuaj yeem sau nrogiav fiber thiab cob.Yog tias qee qhov ntawm cov khoom muaj qhov loj me, tuaj yeem ua kom zoo tuab los yog ntxiv rau hauv cheeb tsam kom tau raws li qhov yuav tsum tau siv.

Raws li cov ntaub fiber ntau kev taw qhia txawv, nws lub zog kuj muaj qhov sib txawv.Cov kev taw qhia tso ntawm lubiav fiber ntau ntaubsiv thiab txoj kev tso yuav tsum tau ua raws li cov txheej txheem yuav tsum tau ua.

(4) lap seam ua

Tib txheej ntawm fibers kom tas mus li, tsis txhob arbitrarily txiav los yog spliced, tab sis vim hais tias ntawm qhov loj ntawm cov khoom, complexity thiab lwm yam yog vim li cas ntawm cov kev txwv kom ua tiav, cov txheej txheem muab tshuaj txhuam yuav tsum tau noj thaum lub pob tw nteg, lub puab tsaig seam yuav tsum. yuav staggered kom txog thaum muab tshuaj txhuam mus rau lub thickness xav tau los ntawm cov khoom.Thaum gluing, cov resin yog impregnated nrog cov cuab yeej xws li txhuam, chais thiab npuas chais thiab cov cua npuas yog drained.

Yog tias qhov yuav tsum tau muaj lub zog siab, txhawm rau txhawm rau ua kom lub zog ntawm cov khoom, lub puab tsaig yuav tsum tau siv ntawm ob daim ntaub, qhov dav ntawm lub puab tsaig yog li 50 hli.Nyob rau tib lub sijhawm, lub puab tsaig ntawm txhua txheej yuav tsum tau staggered ntau li ntau tau.

(3)Tes tsontawmtws strand mats 

Thaum siv cov kev txiav luv luv ua cov khoom siv txhawb zog, nws yog qhov zoo tshaj plaws los siv ntau qhov sib txawv ntawm impregnation rollers rau kev ua haujlwm, vim tias cov impregnation rollers muaj txiaj ntsig tshwj xeeb hauv kev tsis suav cov npuas hauv cov resin.Yog hais tias tsis muaj cov cuab yeej zoo li no thiab cov impregnation yuav tsum tau ua los ntawm txhuam, cov resin yuav tsum tau siv los ntawm txoj kev txhuam hniav, txwv tsis pub cov fibers yuav messed thiab dislocated kom qhov kev faib tsis sib xws thiab cov thickness tsis zoo li qub.Cov khoom siv txhawb nqa tau muab tso rau hauv lub kaum sab xis sab hauv, yog tias txhuam los yog impregnation cov menyuam tsis yooj yim ua kom nws haum zoo, nws tuaj yeem smoothed thiab nias ntawm tes.

Thaum muab lay-up, siv cov kua nplaum rau cov menyuam siv cov kua nplaum rau ntawm qhov chaw ntawm cov pwm, ces manually nteg lub txiav lev daim ntawm cov pwm thiab du nws tawm, ces siv cov kua nplaum rau ntawm cov kua nplaum, rov ua dua rov qab thiab rov qab, kom cov kua nplaum nplaum rau hauv lub lev, ces siv cov kua nplaum npuas los nyem tawm cov kua nplaum hauv lub lev. saum npoo thiab tso tawm cov pa npuas, tom qab ntawd muab cov txheej txheem thib ob.Yog tias koj ntsib lub ces kaum, koj tuaj yeem rhuav tshem cov lev los ntawm txhais tes los pab txhawb kev qhwv, thiab lub puab tsaig ntawm ob daim lev yog li 50 hli.

Ntau yam khoom siv kuj siv tauchopped strand matsthiab iav fiber ntau alternate layering, xws li Japanese tuam txhab uas muag muab tshuaj txhuam lub nkoj nuv ntses yog siv alternate paste txoj kev, nws tau tshaj tawm hais tias cov txheej txheem ntawm zus tau tej cov FRP cov khoom uas muaj kev ua tau zoo.

(6) Cov txheej txheem muab tshuaj ntawm cov khoom tuab-walled

Cov khoom tuab hauv qab 8 hli cov khoom tuaj yeem tsim ib zaug, thiab thaum lub thickness ntawm cov khoom ntau dua 8 hli, yuav tsum tau muab faib ua ntau yam molding, txwv tsis pub cov khoom yuav raug kho vim tsis zoo cua sov dissipation ua rau scorching, discoloration, cuam tshuam rau cov khoom. kev ua tau zoo ntawm cov khoom.Rau cov khoom uas muaj ntau yam molding, cov burrs thiab npuas tsim tom qab thawj muab tshuaj txhuam yuav tsum tau shoveled tawm ua ntej mus txuas ntxiv mus rau paste rau tom ntej no pavement.Feem ntau hais lus, nws raug pom zoo tias lub thickness ntawm ib lub molding yuav tsum tsis pub tshaj 5 hli, tab sis kuj muaj cov cua kub tso tawm thiab tsawg shrinkage resins tsim rau molding thicker khoom, thiab lub thickness ntawm no resin yog loj rau ib tug molding.

Chongqing Dujiang Composites Co., Ltd.

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