Fiberglass Reinforced Plastics (FRP) yog ib hom tshiab ntawm cov khoom sib xyaw tsim los ntawm cov nkoj hauv xyoo 1960s, nrog lub teeb loj, siab zog, corrosion kuj, cov yam ntxwv ntawm cov yas.Tom qab ntau xyoo ntawm txoj kev loj hlob, FRP cov ntaub ntawv tau dav siv nyob rau hauv lub Kev tsim kho ntawm cov nkoj me thiab nruab nrab, tshwj xeeb tshaj yog nyob rau xyoo tas los no, nws tau siv dav hauv yachts, cov nkoj loj thiab cov neeg caij nkoj mus ncig ua si.Cov ntawv no tsom rau kev tsim kho thiab molding txheej txheem ntawm FRP nkoj - resin nqus tsev taw qhia txoj kev.

1 Kev Taw Qhia Technology

Resin nqus ntshuam txoj kev yog nyob rau hauv cov pwm nruj layup reinforced fiber ntau cov ntaub ntawv ua ntej, thiab ces kis tau lub hnab nqus tsev vacuum, lub tshuab nqus tsev twj tso kua mis, tsim ib tug tsis zoo siab nyob rau hauv lub pwm kab noj hniav, siv lub tshuab nqus tsev siab nteg unsaturated resin los ntawm cov yeeb nkab rau hauv ib txheej fiber ntau. , wetting tus cwj pwm ntawm unsaturated polyester resin rau cov khoom siv fiber ntau, Thaum kawg, tag nrho cov pwm tau ntim, cov khoom siv lub tshuab nqus tsev raug tshem tawm tom qab kho, thiab cov khoom xav tau yog tau los ntawm pwm demoulding.Nws cov khoom siv tes ua hauv qab no.

Vacuum lead-in txheej txheem yog cov cuab yeej tshiab rau kev tsim thiab tsim cov nkoj loj loj los ntawm kev tsim kom muaj lub kaw lus kaw nyob rau hauv ib qho rigid die.Raws li cov txheej txheem no tau qhia los ntawm txawv teb chaws, kuj tseem muaj ntau lub npe nyob rau hauv lub npe, xws li lub tshuab nqus tsev ntshuam. , nqus perfusion, nqus tsev txhaj tshuaj, thiab lwm yam.

2.Txheej txheem txheej txheem

Cov txheej txheem tshwj xeeb ntawm lub tshuab nqus tsev ntshuam yog raws li kev xav ntawm hydraulics tsim los ntawm Fabkis hydraulics Darcy nyob rau hauv 1855, uas yog lub npe nrov Darcy txoj cai: t = 2hl / (2k (AP)), Qhov twg, t yog lub sij hawm taw qhia resin, uas yog txiav txim los ntawm plaub yam tsis muaj;h yog lub viscosity ntawm resin, coj lub viscosity ntawm resin, z yog lub sij hawm ntshuam, hais txog qhov kev ncua deb ntawm cov resin inlet thiab qhov hluav taws xob, AP yog lub siab sib txawv, hais txog lub siab sib txawv ntawm sab hauv thiab sab nraum lub hnab nqus tsev vacuum, k yog permeability, hais txog cov tsis muaj resin infiltration los ntawm iav fiber ntau thiab cov khoom siv sandwich.Raws li Darcy txoj cai, lub sij hawm ntshuam resin yog proportional rau cov resin ntshuam ntev thiab viscosity, thiab inversely proportional rau lub siab sib txawv ntawm sab hauv thiab sab nraum lub hnab nqus tsev vacuum. thiab permeability ntawm fiber ntau.

3.Technological txheej txheem

Cov txheej txheem tshwj xeeb ntawm tus neeg sawv cev tshwj xeeb yog raws li hauv qab no.

ua ntej,Pib qhov kev npaj ua haujlwm

Ua ntej ntawm tag nrho cov, hlau los yog ntoo pwm yog ua raws li cov duab kab thiab qhov loj ntawm lub nkoj.Qhov kev kho mob sab hauv ntawm cov pwm yuav tsum xyuas kom meej siab hardness thiab siab gloss, thiab ntug ntawm cov pwm yuav tsum tau khaws cia tsawg kawg yog 15cm los pab. kev tso cov hlua khi thiab cov kav dej.Tom qab ntxuav cov pwm, thov cov khoom siv demoulding, koj tuaj yeem ua si demoulding wax lossis so demoulding dej.

thib ob,Siv lub plhaub gelcoat

Raws li qhov yuav tsum tau ua ntawm nkoj tsim, lub puab nto ntawm cov pwm yog coated nrog gelcoat resin uas muaj catalyst promoter, uas yuav siv tau raws li cov khoom gelcoat los yog polished gelcoat.Cov hom kev xaiv yog phthalate, m-benzene thiab vinyl.Tshuaj txhuam thiab tshuaj tsuag tuaj yeem siv rau kev tsim kho.

Tsiab heev,Layup reinforced khoom

Ua ntej, raws li txoj kab ntawm lub hull thiab cov qauv tsim, cov khoom siv txhawb zog thiab cov khoom siv pob txha pob txha raug txiav, thiab tom qab ntawd muab tso rau hauv pwm raws li cov txheej txheem nteg-up thiab tsim cov txheej txheem. tus nqi yuav tsum coj mus rau hauv tus account.

Fpeb,Layup lub tshuab nqus tsev auxiliary khoom

Ntawm cov khoom siv ntxiv dag zog nteg rau hauv pwm, daim ntaub stripping yog thawj nteg, ua raws li cov ntaub ntawv sib txawv, thiab thaum kawg lub hnab nqus tsev vacuum, uas yog compacted thiab kaw los ntawm sealing strip.Ua ntej kaw lub hnab nqus tsev, ua tib zoo xav txog cov kev taw qhia resin thiab nqus kab.

Fifth,Nqus lub hnab

Tom qab tso cov ntaub ntawv saum toj no ua tiav hauv pwm, cov resin raug xa mus rau hauv lub raj clamping system, thiab lub tshuab nqus tsev twj siv los nqus tag nrho lub cev, thiab cov huab cua hauv lub cev raug tshem tawm kom deb li deb tau, thiab zuag qhia tag nrho huab cua nruj yog xyuas, thiab qhov chaw to yog kho hauv zos.

Sixth,Blending resin ratio

Tom qab lub tshuab nqus tsev nyob rau hauv lub hnab mus txog ib tug tej yam yuav tsum tau, raws li nyob rau hauv tej yam kev mob, khoom thickness, kis cheeb tsam, thiab lwm yam., resin, curing agent thiab lwm yam ntaub ntawv yog muab faib nyob rau hauv ib tug tej yam kev faib ua feem. gel lub sij hawm thiab xav kom kho degree.

Xya, Pwm lead-hauv resin

Cov ntaub ntawv npaj tau nkag mus rau hauv lub twj tso kua mis siab, thiab cov npuas hauv cov resin raug tshem tawm los ntawm kev nplawm tag nrho.Tom qab ntawd cov clamps tau qhib nyob rau hauv lem raws li qhov kev txiav txim ntawm kev taw qhia, thiab cov cob qhia yog siv los ntawm kev kho lub twj tso kua mis tas li, yog li raws li zoo tswj lub thickness ntawm lub nkoj lub cev.

Eua ighth,Kev kho mob stripping outfitting

Tom qab kev cob qhia cob qhia tiav lawm, lub hull yuav tsum tau siv nyob rau hauv lub pwm rau ib lub sij hawm ntawm kev cia cov resin curing, feem ntau tsis tsawg tshaj li 24 teev, nyob rau hauv nws cov Bacor hardness yog ntau tshaj los yog sib npaug zos rau 40 ua ntej demoulding.Tom qab demoulding, cov kev ntsuas tsim nyog yuav tsum tau coj los txhawb kom tsis txhob deformation.Tom qab ua tiav cov khoom tiav, lub kaw lus kaw thiab cov khoom pib pib.

4 Kev tshuaj xyuas qhov zoo thiab qhov tsis zoo ntawm cov txheej txheem thev naus laus zis

 A.qhov zoo ntawm cov txheej txheem technology

Raws li ib yam tshiab ntawm molding tshuab nyob rau hauv kev tsim kho ntawm FRP cov hlab ntsha, lub tshuab nqus tsev insertion txoj kev muaj zoo zoo dua cov tsoos phau ntawv muab tshuaj txhuam txheej txheem.

A1 Hull lub zog muaj zog tau txhim kho zoo

Thaum lub sij hawm tsim kho, lub hull, stiffeners, sandwich lug thiab lwm yam inserts ntawm lub nkoj yuav tsum tau nteg nyob rau tib lub sij hawm, yog li zoo heev txhim kho cov kev ncaj ncees ntawm cov khoom thiab lub zuag qhia tag nrho cov yam ntxwv lub zog ntawm lub nkoj. cov ntaub ntawv, piv nrog rau tes-pased hull, lub zog, nruj thiab lwm yam lub cev yam ntxwv ntawm lub hull tsim los ntawm resin nqus cov txheej txheem qhia yuav tsum tau nce los ntawm ntau tshaj 30% -50%, uas yog nyob rau hauv txoj kab nrog rau cov loj-scale txoj kev loj hlob ntawm niaj hnub FRP nkoj.

A2 Nkoj kom tswj tau qhov hnyav ntawm lub nkoj

FRP nkoj tsim los ntawm lub tshuab nqus tsev qhia txheej txheem muaj cov ntsiab lus fiber ntau, tsis tshua muaj porosity thiab cov khoom lag luam siab, tshwj xeeb tshaj yog kev txhim kho ntawm lub zog interlaminar, uas zoo heev txhim kho cov kev ua haujlwm ntawm lub nkoj. Lub nkoj tsim los ntawm lub tshuab nqus tsev hlau-hauv txoj kev tuaj yeem txo qhov hnyav ntawm cov qauv.Thaum siv cov txheej txheem tib yam, cov khoom siv yuav raug txo los ntawm 30%, cov khib nyiab tsawg dua, thiab cov resin poob qis dua 5. %.

A3 Qhov zoo ntawm cov khoom nkoj tau raug tswj tau zoo

Piv nrog rau phau ntawv pasting, qhov zoo ntawm lub nkoj tsis tshua muaj kev cuam tshuam los ntawm tus neeg teb xov tooj, thiab muaj cov qib siab ntawm kev sib xws txawm tias nws yog lub nkoj lossis ib pawg ntawm cov nkoj.Tus nqi ntawm cov khoom siv fiber ntau ntawm lub nkoj tau muab tso rau hauv pwm. Raws li tus nqi teev ua ntej txhaj tshuaj, thiab qhov sib piv ntawm cov resin yog qhov tas li, feem ntau 30% ~ 45%, thaum cov ntsiab lus ntawm tes-pased hull feem ntau yog 50% ~ 70%, yog li qhov sib xws thiab rov ua dua ntawm Lub nkoj tau zoo dua li cov khoom siv tes ua khoom siv tes ua. Tib lub sijhawm, qhov tseeb ntawm lub nkoj tsim los ntawm cov txheej txheem no zoo dua li ntawm cov khoom siv tes ua, qhov flatness ntawm lub plhaub saum npoo yog zoo dua, thiab phau ntawv thiab cov khoom ntawm cov txheej txheem sib tsoo thiab pleev xim raug txo.

A4 Lub Hoobkas qhov chaw tsim khoom tau raug txhim kho zoo

Nqus lead-hauv txheej txheem yog txheej txheem pwm kaw, cov khoom tsis sib haum xeeb thiab cov pa phem uas tsim tawm thaum lub sijhawm tsim kho tag nrho raug kaw rau hauv lub hnab nqus tsev.Tsuas yog nyob rau hauv lub tshuab nqus tsev twj tso kua mis (filter) thiab cov khoom sib tov thaum muaj me me. ntawm volatile, piv nrog cov tsoos phau ntawv muab tshuaj txhuam qhib chaw ua hauj lwm ib puag ncig, qhov chaw tsim kho ib puag ncig tau zoo heev, tiv thaiv cov chaw tsim kho cov neeg ua hauj lwm lub cev thiab lub hlwb.

B,Shortcomings ntawm txheej txheem technology

B1Kev tsim kho technology yog complex

Lub tshuab nqus tsev ua cov txheej txheem sib txawv ntawm cov txheej txheem ntawm tes-pasting, Nws yog ib qho tsim nyog los tsim cov duab kos duab ntawm cov ntaub ntawv fiber ntau, daim duab kos duab ntawm txoj kab sib txawv thiab cov txheej txheem tsim kho kom ntxaws raws li cov duab kos.Cov paving ntawm cov ntaub ntawv txhawb zog thiab kev tso tawm ntawm kev sib txawv nruab nrab, txoj kab sib txawv thiab cov khoom siv nqus tsev vacuum yuav tsum ua kom tiav ua ntej cov khoom siv lead ua-hauv.Yog li ntawd, rau cov nkoj me me, lub sij hawm tsim kho yog ntev dua li kev siv tshuab siv tes.

B2 Cov nqi tsim khoom kuj yog siab heev

Lub tshuab nqus tsev tshwj xeeb tuaj yeem muaj cov kev xav tau siab ntawm permeability ntawm cov ntaub ntawv fiber ntau, uas tuaj yeem siv tas li xav tau thiab unidirectional daim ntaub nrog cov nqi siab. auxiliary cov ntaub ntawv yuav tsum tau siv nyob rau hauv kev tsim kho txheej txheem, thiab feem ntau yog pov tseg, yog li tus nqi ntau lawm yog siab dua li cov txheej txheem paste.Tab sis qhov loj ntawm cov khoom, qhov sib txawv me me.

B3 Muaj qee qhov kev pheej hmoo hauv cov txheej txheem

Cov yam ntxwv ntawm lub tshuab nqus tsev filling txheej txheem txiav txim siab ib zaug molding ntawm kev tsim kho nkoj, uas muaj cov kev xav tau siab rau kev ua haujlwm ua ntej cov resin filling.Cov txheej txheem yuav tsum tau ua raws li nruj raws li cov txheej txheem ntawm resin filling.Cov txheej txheem yuav irreversible. Tom qab cov resin filling pib, thiab tag nrho cov hull yuav tau yooj yim scrapped yog hais tias cov resin filling tsis ua hauj lwm.Tam sim no, txhawm rau txhim kho kev tsim kho thiab txo cov kev pheej hmoo, cov chaw tsim khoom dav dav siv ob-theem lub tshuab nqus tsev tsim ntawm lub cev thiab lub cev pob txha.

5 Kev xaus

Raws li kev tsim tshiab thiab kev tsim kho thev naus laus zis ntawm FRP ships, lub tshuab nqus tsev ntshuam txheej txheem muaj ntau yam zoo, tshwj xeeb tshaj yog nyob rau hauv kev tsim kho ntawm cov nkoj loj loj, kev kub ceev thiab lub zog muaj zog, uas tsis tuaj yeem hloov pauv. Nqus resin ntshuam, txo tus nqi ntawm cov khoom siv raw thiab kev xav tau ntawm kev sib raug zoo, kev tsim kho ntawm FRP nkoj yuav maj mam hloov mus rau cov tshuab moulding, thiab cov khoom siv nqus tsev vacuum ntshuam yuav siv dav hauv ntau lub hoobkas.Source: Composite Applied Technology.

Hais txog peb

Hebei Yuniu Fiberglass Manufacturing Co., Ltd.Peb tsuas yog tsim thiab muag e-hom fiberglass khoom,Yog tias xav tau, thov hu rau peb dawb.