Composite cov khoom siv sib sau ua ke yog lub hauv paus thiab cov xwm txheej ntawm kev txhim kho ntawm cov khoom siv cov khoom lag luam. Nrog dav hlau ntawm daim ntawv thov teb ntawm cov khoom siv sib xyaw, kev lag luam moulding tau txhim kho, tam sim no muaj ntau tshaj 20 polymer molding cov txheej txheem, thiab ua tiav siv hauv kev lag luam ntau lawm, Xws li:
(1) Tes muab cov txheej txheem - ntub dej sib sau ua qauv;
(2) dav hlau ua txheej txheem;
(3) offin hloov tshuab (RTM thev naus laus zis);
(4) lub hnab ntim lub zog (lub hnab ntim lub hnab ntim) moulding;
(5) Lub Tshuab Nqus Tsev nias Moulding;
(6) autoclave torming thev naus laus zis;
(7) cov cuab yeej kub hydraulic txoj kev ua thev naus laus zis;
(8) thermal expansion moulding technology;
(9) Cov qauv qhaub cij txoj kev ua tshuab;
(10) Moulding Khoom Siv Khoom Ntau Lawm;
(11) ZMC Moulding Khoom Siv Tshuab;
(12) Moulding txheej txheem;
(13) laminate tshuab ntau lawm;
(14) Rolling raj tsim thev naus laus zis;
(15) Fiber winding khoom ua tshuab;
(16) Cov Phaj Nrig Cov Khoom Siv Ntau Lawm;
(17) tshuab ua tshuab nrum;
(18) pultrusion moulding txheej;
(19) Txuas Nruam Cov Yeeb Nkab Yeeb Nkab Ua Yeeb Yam;
(20) kev tsim tawm thev naus laus zis ntawm cov khoom siv braided;
(21) kev tsim khoom siv thev naus laus zis ntawm Thermoplastic daim ntawv tuaj pwm thiab cov txheej txheem txias tshuab raj tuaj pwm;
(22) txhaj tshuaj txheem moulding;
(23) Extrusion Moulding txheej;
(24) Centrifugal casting raj ua txheej txheem;
(25) Lwm yam thev naus laus zis.
Ua raws li cov khoom cob qhia Matrix cov khoom siv, cov txheej txheem saum toj no yog qhov tsim nyog rau kev tsim cov thermosetting thiab thermopicastic composites feem ntau, thiab qee cov txheej txheem haum rau ob qho tib si.
Composite cov khoom lag luam tsim cov yam ntxwv: piv nrog lwm cov ntaub ntawv siv thev naus laus zis, cov khoom siv ua tiav cov txheej txheem muaj cov cwj pwm hauv qab no:
(1) Khoom lag luam tsim thiab cov khoom moulding nyob rau tib lub sijhawm kom tiav cov xwm txheej dav dav, cov txheej txheem ntau lawm ntawm cov khoom siv ntawm cov khoom lag luam. Cov ntaub ntawv ua tau zoo yuav tsum yog tsim los ntawm kev siv cov khoom siv, yog li kev xaiv cov ntaub ntawv, yuav tsum ua kom muaj tshuaj lom neeg thiab cov qauv zoo yuav tsum tau.
(2) Cov khoom moulding yog qhov yooj yim yooj yim rau cov khoom lag luam uas yog cov khoom siv tau ntws, yog li ntawd, nrog cov cuab yeej siv thiab cov khoom siv tau yooj yim dua li lwm cov ntaub ntawv, Rau qee cov khoom tsuas yog teeb pwm pwm tuaj yeem tsim tawm.
Ua ntej, hu rau qhov qis moulding txheej txheem
Lub Zov Kev Sib Nrauj Tsawg Moulding yog cov cim los ntawm kev tso cai ntawm kev qhia lub zog, resin leaching, lossis cov cuab yeej yooj yim-pab qhia kev pab cuam ntawm kev txhawb nqa thiab resin. Lwm tus yam ntxwv ntawm kev sib tiv tauj cov txheej txheem qis nruj yog tias cov txheej txheem molding (0.01 ~ 0.7mpa kom muaj kev sib cuag dua 2.0 MPa).
Hu rau cov txheej txheem qis qis moulding, yog thawj cov khoom siv pwm, txiv neej pwm lossis cov cua tsim, didleulting thiab tom qab ntawd los ntawm kev ua lag luam thiab khoom lag luam. Yuav ua li cas hom tshuaj molding no yog tes muab moulding, lub hnab molding tshuab, lub hnab nias tshuab, Autoclave Expansion moulding (cua sov moulding (qis moulding Thawj ob leeg yog kev sib chwv.
Hauv kev tiv tauj cov siab tsis tshua muaj txiaj ntsig moulding, cov tes paste moulding yog thawj cov kev tsim muaj ntau yam, lwm txoj kev tsim kho thiab txhim kho ntawm tes paste moulding txheej txheem. Qhov zoo tshaj plaws kom zoo dua ntawm kev sib chwv cov txheej txheem yog yooj yim cov khoom siv, dav kev yoog tau, tsawg dua peev thiab nyhuv kev nqis peev thiab cov nyhuv ceev. Raws li kev txheeb cais nyob rau hauv xyoo tsis ntev los no, tiv tauj cov khoom siv roj ntau heev, tseem muaj cov khoom lag luam hauv ntiaj teb no, xws li Tebchaws Asmeskas tus lej rau 25%, Nyiv suav rau 42%, Tuam Tshoj suav tau rau 75%. Qhov no qhia tau qhov tseem ceeb thiab tsis tseem ceeb ntawm kev sib cuag tsis tshua muaj siab moldoling tshuab hauv cov khoom lag luam kev lag luam, nws yog cov txheej txheem kev lag luam uas yuav tsis kam. Tab sis nws txoj kev loj tshaj yog kev ua haujlwm ntau yog tsawg, kev siv zog ua haujlwm yog qhov loj, cov khoom rov ua dua yog tsis zoo thiab lwm yam.
1. Cov ntaub ntawv nyoos
Hu rau qhov tsis tshua muaj siab moulding ntawm raw khoom siv, resins thiab cov ntaub ntawv pab.
(1) cov khoom siv txhim kho
Yuav tsum muaj kev tiv toj rau cov khoom siv rau cov khoom siv txhim kho: (1) cov khoom siv txhim kho tau yooj yim rau kev impregnated los ntawm cov cob; (2) Muaj cov duab txaus hloov pauv kom tau raws li cov khoom moulding uas yuav tsum muaj ntawm cov khoom nyuaj; (3) npuas yog qhov yooj yim los txiav tawm; (4) tuaj yeem ntsib kev ua yeeb yam ntawm lub cev thiab tshuaj lom neeg yuav tsum muaj ntawm kev siv cov khoom lag luam; I Tus nqi tsim nyog (pheej yig li ntau tau), muaj txiaj ntsig ntau.
Reinforced cov ntaub ntawv rau kev sib chwv tau muaj xws li cov fiber ntau thiab nws cov ntaub, carbon fiber thiab nws cov ntaub, arlene fiber thiab nws cov ntaub, thiab lwm yam.
(2) Matrix cov khoom
Hu rau cov khoom siv tsis tshua muaj zog moulding rau cov khoom siv matrix uas yuav tsum muaj cov khoom siv fiber ntau, yooj yim rau cov khoom siv hluav taws xob yooj yim nrog cov roj ntsha; (2) ntawm chav sov tuaj yeem gel, solorify, thiab yuav tsum muaj shrinkage, tsis tshua muaj neeg tawg; (3) Qhov tsim nyog viscosity: feem ntau 0.2 ~ 0.5paMaulaus, tsis tuaj yeem tsim cov kua nplaum nplaum; (4) tsis muaj tshuaj lom lossis tsis muaj tshuaj lom; Tus nqi yog tsim nyog thiab lub hauv paus yog lav.
Cov resins feem ntau nyob rau hauv kev tsim khoom yog: unsaturated polyester resin, epoxy cob, bismaleimide resin, polyimide resin thiab lwm yam.
Kev xav tau kev ua tau zoo yuav tsum muaj ntawm ob peb tus neeg sib hu sib che rau cov txheej txheem Resin:
Molding cov qauv yuav tsum muaj rau cov khoom xa tawm
Gel Ntau Lawm
1, moulding tsis ntws, yooj yim rau defoaming
2, lub suab tsis sib xws, tsis muaj xim
3, Kev kho lub ntsej muag ceev, tsis muaj wrinkles, zoo adhesion nrog txheej txheej ntawm resin
Tes Loj Rov Qab Moulding
1, impregnation zoo, yooj yim rau tsau cov fiber ntau, yooj yim rau tshem tawm npuas
2, kis tom qab kho tau nrawm, tsawg dua cua sov tso tawm, shrinkage
3, volatile tsawg dua, qhov chaw ntawm cov khoom lag luam tsis nplaum
4. Zoo adhesion nruab nrab ntawm txheej
Txhaj Tshuaj Molding
1. Xyuas kom cov kev xav tau ntawm kev sib xyaw ua ke
2. Thixotropic rov qab yog ua ntej lawm
3, ntsuas kub muaj me ntsis ntawm resin viscosity
4. Lub pas dej yuav tsum tau tsim nyog rau lub sijhawm ntev, thiab cov viscosity yuav tsum tsis txhob nce tom qab ntxiv ntawm tus tsuj roj
Lub Hnab Molding
1, Wettability zoo, yooj yim rau tsau cov fiber ntau, yooj yim rau kev tawm bubbles
2, kho cov nrawm nrawm, kho cov cua sov kom me me
3, tsis yooj yim ntws tawm kua nplaum, muaj zog adhesion nruab nrab ntawm txheej
(3) cov ntaub ntawv
Hu rau cov txheej txheem ntawm cov ntaub ntawv pab pawg, feem ntau yog hais txog cov muab tub lim thiab xim ob pawg, thiab tus sawv cev, ua rau cov neeg sawv cev tawv, too nrog Resin Matrix system.
2, pwm thiab tso tus neeg sawv cev
(1) pwm
Pwm yog cov khoom siv tseem ceeb hauv txhua hom kev sib chwv. Qhov zoo ntawm cov pwm ncaj qha cuam tshuam qhov zoo thiab tus nqi ntawm cov khoom, yog li nws yuav tsum ua tib zoo tsim thiab tsim.
Thaum tsim qauv pwm, cov cai hauv qab no yuav tsum tau txiav txim siab txog qhov kev txwv ntawm cov khoom lag luam, cov pwm loj yog qhov tseeb thiab cov npoo yog tus; (2) kom muaj lub zog txaus thiab tawv ncauj; (3) kev sib xyaw kom yooj yim; (4) muaj txaus thermal stability; Lub teeb yuag, cov khoom siv txaus thiab tus nqi qis.
Pwm tus neeg sib cuag moulding pwm tau muab faib ua: txiv neej pwm, tuaj yeem ua raws qhov loj me, moulding yuav tsum tau, tsim los ua ib qho kev sib sau ua ke lossis pwm.
Thaum cov khoom siv pwm yog tsim tawm, cov cai hauv qab no yuav tsum tau ua tiav:
① Ua tau raws li qhov yuav tsum tau ua ntawm qhov tseeb raug, qhov zoo li zoo thiab kev pabcuam lub neej ntawm cov khoom;
(2) Cov khoom siv pwm yuav tsum muaj lub zog txaus thiab tawv muaj peev xwm ua kom yooj yim rau kev tsis txaus siab thiab kev puas tsuaj hauv cov txheej txheem ntawm kev siv;
(3) Nws tsis yog corroded los ntawm cob thiab tsis cuam tshuam rau Resin kho;
(4) Cov cua sov zoo tiv, cov khoom kho thiab kho cua sov, cov pwm tsis yog deformed;
(5) Yooj yim rau kev tsim khoom, yooj yim rau demoulding;
(6) hnub kom txo cov pwm hnyav, cov khoom yooj yim;
Tus nqi tus nqi pheej yig thiab cov ntaub ntawv tau yooj yim kom tau txais. Cov ntaub ntawv uas tuaj yeem siv tau los ua ob txhais tes muab pwm yog: Ntoo, Hlau, Melas, Tsis Muaj Fiber Reinferced Dastics.
Tso tus neeg sawv cev cov cai tseem ceeb:
1. Tsis cuam tshuam cov pwm, tsis cuam tshuam rau lub resin kho, lub resin adhesion tsawg dua 0.01mpa;
(2) Luv zaj duab xis ua lub sijhawm, cov khaub ncaws zoo sib xws, du nto;
Kev siv kev nyab xeeb, tsis muaj tshuaj lom;
(4) Thaum tshav kub kub tiv taus, tuaj yeem ua kom sov los ntawm qhov kub ntawm kev kho;
⑤ Nws yog ib qho yooj yim ua haujlwm thiab pheej yig.
Tus neeg saib xyuas kev tso cai ntawm kev sib chwv tus txheej txheem tsuas yog suav nrog zaj duab xis tso tawm tus neeg sawv cev, tus neeg sawv cev tso kua mis thiab tshuaj pleev cov tshuaj pleev tus neeg sawv cev.
Tes muab cov txheej txheem
Cov txheej txheem ntws ntawm tes muab txoj kev ua tiav yog raws li hauv qab no:
(1) Npaj Ntau Lawm
Qhov loj ntawm lub chaw ua haujlwm rau tes ua ke yuav raug txiav txim siab raws li cov khoom lag luam loj thiab cov zis txhua hnub. Lub Vev Xaib yuav huv, kom qhuav thiab muaj cua sov, thiab huab cua kub yuav tsum khaws cia ntawm 15 thiab 35 degrees Celsius. Cov kev ua haujlwm rov qab ua tom qab yuav tsum tau nruab nrog plua plav tshem tawm thiab dej txau ntaus ntawv.
Pwm npaj suav suav nrog kev tu, sib dhos thiab tso tawm tus neeg sawv cev.
Thaum lub kua nplaum tawm yog npaj, peb yuav tsum them sai sai rau ob qhov teeb meem: (1) Tiv thaiv cov kua nplaum los ntawm kev sib xyaw ua npuas; (2) Tus nqi kua nplaum yuav tsum tsis txhob muaj ntau dhau, thiab txhua tus nqi yuav tsum tau siv ua ntej cov khoom ua haujlwm resin.
Cov khoom siv lub zog cov hom thiab cov specifications ntawm cov khoom siv txhawb nqa yuav tsum tau xaiv raws cov qauv tsim.
(2) pasting thiab kho
Txheej txheej txheej txheej txheej-muab faib ua cov txheej txheem ntub dej thiab cov qauv siv qhuav ob qho tib si , thiab tom qab ntawd txheej los ntawm txheej ntawm cov pwm, thiab xyuam xim rau tshem tawm npuas ntawm cov khaubncaws sab nraud povtseg ntawm txheej, yog li ntawd. Hom no yog siv rau autoclave thiab hnab molding. (2) Ntub dej ncaj qha hauv cov pwm yuav ntxiv dag zog rau cov khoom ntsoo, txheej txheej ntawm cov pwm nyob ze rau cov pwm, ua kom nws poob ntom. General tes muab txheej txheem nrog hom qauv ntawm txheej txheem. Ntub dej txheej txheem yog muab faib ua gelcoat txheej muab tshuaj txhuam thiab qauv txheej muab tshuaj txhuam.
Tes pased cuab tam tes pasting cuab yeej muaj kev cuam tshuam zoo rau kev ua kom cov khoom lag luam zoo. Muaj cov ntaub plaub menyuam yaus, brule cov menyuam, muab kauv cov menyuam thiab hluav taws xob kaw, polishing tshuab thiab lwm yam.
Storify cov khoom lag luam solorifify cent furlerosent cent for 40), tam sim no ua rau muaj kev hloov pauv trigonal xav tau 24th 1 ~ 2 lub lis piam muaj peev xwm ua rau cov khoom muaj cov neeg kho tshuab zog, hais rov qab, nws solorify degree li 85% saum toj no. Cua sov tuaj yeem txhawb txoj kev kho kom zoo. Rau polyester iav hlau, cua sov rau 80 ℃ rau 80H, rau Epoxy Iav Hlau, Post Kho Qhov Kub tuaj yeem tswj tau hauv 150 ℃. Muaj ntau ntau cov cua kub thiab cov qauv kho cua, cov khoom siv me me tuaj yeem ua kom sov thiab kho tau cov cua sov, cov khoom siv hluav taws xob loj tuaj yeem ua cua sov lossis muaj cua sov infrared.
(3)Demoulding thiab hnav khaub ncaws
Demoulding demoulding kom ntseeg tau tias cov khoom lag luam tsis puas. Demoulding txoj kev muaj raws li nram no: (1) Qhov ntsuas doiloulding yog embedded hauv pwm, thiab cov ntsia hlau tig mus rau ejector rau qhov khoom. Lub siab demoulding pwm muaj cov dej sib xyaw ua ke lossis dej sib xyaw yuav muaj cov pwm thiab cov khoom siv ntoo thiab roj hmab rauj, yog li cov khoom sib cais. (3) Demulding ntawm cov khoom loj (xws li cov nkoj) nrog kev pab ntawm Jacks, Cranes thiab Hardwood wedges thiab lwm yam cuab yeej. (4) cov khoom muaj peev xwm siv tau cov qauv ntawm ob lossis peb txheej ntawm cov pwm, kom tau txais cov pwm ntawm cov pwm, thiab tom qab ntawd muab cov pwm txuas ntxiv mus rau cov qauv tuab rau cov qauv tuab, nws yog qhov yooj yim rau hle tawm ntawm cov pwm tom qab kho tau.
Hnav khaub ncaws hnav tau muab faib ua ob hom: ib qho yog qhov loj me hnav, lwm qhov kev kho kom haum. (1) Tom qab cov khoom loj ntawm cov khoom lag luam, raws li kev tsim qauv loj kom txiav tawm cov feem ntau; (2) Kho kom puas tsuaj suav nrog Kev Kho Kom Zoo Nkauj, Npuas, Nrib Kho, Qhov Cuab Zog, thiab lwm yam.
Dav hlau Taus Cov Txheej Txheem
Dav hlau sib sau ua cov thev naus laus zis yog kev txhim kho ntawm tes muab txoj kev ua tiav, semi - mechanized degree. Dav hlau tswj cov thev naus laus zis rau cov khoom siv tsim nyog, xws li 9.1% hauv Tebchaws Western Europe, thiab 21% hauv Nyij Pooj. Tam sim no, kev txhaj tshuaj hauv tsev moulding yog feem ntau tsuas yog txawv teb chaws los ntawm Tebchaws Meskas.
(1) Dav hlau tsim cov txheej txheem txheej txheem thiab cov txiaj ntsig thiab qhov tsis zoo
Txhaj Tshuaj Molding cov txheej txheem yog sib xyaw nrog tus pib thiab txhawb nqa cov phom txau tawm ntawm ob sab, los ntawm lub teeb txig, sib xyaw nrog cov pwm, tso rau cov pwm, thaum tso nyiaj Rau ib qho tuab tuab, nrog cov yob cov kab sib dhos, ua kom cov pa roj solutated, tshem tawm cov npuas huab cua, kho rau hauv cov khoom lag luam.
Qhov zoo ntawm cov dav hlau molding: (1) Siv cov iav Fiber Reoving es tsis txhob txo tus nqi ntawm cov ntaub ntawv; (2) Cov khoom siv ntau lawm yog 2-4 zaug siab dua li txhais tes ua ke; (3) Cov khoom muaj kev ncaj ncees zoo, tsis muaj pob qij txha, siab interlayer shear lub zog, siab resin cov ntsiab lus, zoo corrosion tsis kam thiab tsis kam; (4) Nws tuaj yeem txo qis kev noj ntawm flapping, txiav daim ntaub scraps thiab cov kua nplaum tshuav ntxiv; Cov khoom loj thiab cov duab tsis txwv. Qhov tsis zoo yog: (1) cov ntsiab lus resin siab, cov khoom lag luam me me; (2) Cov khoom tuaj yeem ua ib sab du; ③ Nws yog qhov chaw ib puag ncig thiab yog kev phom sij rau cov neeg ua haujlwm noj qab haus huv.
Dav hlau tsim efficiency nce mus txog 15kg / min, yog li haum rau kev tsim cov tsiaj loj loj. Nws tau siv dav los ua tus da dej tub tub, tshuab npog, chaw tso chaw tso quav, cov khoom siv tsheb thiab cov khoom loj.
(2) Kev Npaj Ntau Lawm
Ntxiv nrog rau kev sib ntsib cov kev xav tau ntawm cov txheej txheem txhuam tes, tshwj xeeb yog yuav tsum tau them rau kev tso pa ib puag ncig. Raws li qhov loj me ntawm cov khoom, chav ua haujlwm tuaj yeem kaw kom txuag lub zog.
Cov khoom npaj npaj raw cov ntaub ntawv yog tsuas yog cob (feem ntau unsaturated polyester retin) thiab untwisted iav fiber reing.
Pwm npaj suav suav nrog kev tu, sib dhos thiab tso tawm tus neeg sawv cev.
Txhaj Tshuaj Moulding Khoom Txhaj Tshuaj Moulding Tshuab muab faib ua ob hom: (1) rab phom, lub npe hu ua rab phom sib xyaw hom. Nws cov khoom siv yog lub tshuab tswj kev siv pneumatic, muab tso twj tso kua mis, tov khoom, roj phom, cov twj tso kua mis, cov twj tso kua mis, cov twj tso kua mis tau sib txuas los ntawm pob zeb pob zeb. Kho txoj haujlwm ntawm cov tso kua twj tso rau ntawm pob zeb pob zeb los xyuas kom cov feem sib xyaw ntawm cov khoom xyaw. Nyob rau hauv kev txiav txim ntawm huab cua compressor, cob thiab cov neeg sawv cev ntawm cov kuj sib xyaw nrog rab phom phom thiab tsim los ntawm cov pwm txuas ntxiv mus rau saum npoo ntawm cov pwm nrog cov hlais. Lub dav hlau no tsuas muaj cov kua nplaum txau rab phom, cov qauv yooj yim, tsis muaj kev sib xyaw ua ke, tab sis vim tias kev sib xyaw tam sim ntawd tom qab ua tiav, txhawm rau tiv thaiv kev nqus thaiv. (2) Lub Siab Tank Hom Yeeb Khoom Dav Hlau Tshuab yog txhawm rau txhim kho rab phom kom muaj rab phom mus rau hauv lub taub hau kom tau cov roj txuas mus ntxiv los ntawm cov roj av mus rau hauv lub tank. Nws muaj ob lub taub hlau pas dej, yeeb nkab, valve, phom phom, muaj phom txau, lub trolley thiab bracket. Thaum ua haujlwm, txuas cov huab cua compressed dhau los los ntawm huab cua-dej cutter thiab khob rab phom sib txuas, ua kom muaj rab phom tua hluav taws thiab rab phom sib txuas, kho atomization, Iav Fiber dispersion, sib xyaw uayees thiab tom qab ntawd tog rau pwm. Cov dav hlau no yog cob cov phom sab nraum zoov, yog li nws tsis yooj yim rau cov ntsaws lub nozzle ntawm rab phom.
(3) Txau Molding Cov Txheej Txheem Tswj
Kev txhaj tshuaj txheej txheem tsis xaiv: ① resin cov ntsiab lus txau moulding tshuab, resin cov ntsiab lus tswj ntawm txog 60%. Thaum lub resin viscosity yog 0.2pa · s, lub phij xab lub taub mis siab yog 0.05-0.15mpa, thiab cov ris tsho atomization, cov kev sib txuam ntawm cov khoom siv tuaj yeem lav. (3) Cov kev sib xyaw ua ke ntawm resin txau los ntawm lub kaum rab phom sib txawv sib txawv. Feem ntau, lub kaum ntawm 20 ° yog xaiv, thiab qhov deb ntawm rab phom txau thiab pwm yog 350 ~ 400mm. Txhawm rau hloov qhov kev ncua deb, lub kaum sab xis ntawm rab phom yuav tsum yog qhov siab ceev kom ntseeg tau tias txhua qhov sib tshuam nyob rau hauv kev sib tshuam ze ntawm cov pwm kom tiv thaiv cov kua nplaum.
Txau moulding yuav tsum tau sau tseg: (1) qhov kub thiab txias yuav tsum tau tswj qhov kub (25 ± 5) ℃, kom muaj rab phom txau; Tsawg dhau, tsis sib xyaw sib xyaw, kho kom qeeb; (2) Tsis pub muaj dej nyob hauv lub dav hlau system, txwv tsis pub cov khoom muaj txiaj ntsig zoo; (3) Ua ntej sib sau, tshuaj tsuag ib txheej ntawm cov pwm, thiab tom qab ntawd tsuag cov khoom cob muaj fiber ntau txheej; (4) Ua ntej txhaj tshuaj molding, thawj zaug kho cov cua siab, tswj Resin thiab cov iav fiber; (5) Cov tshuaj tsuag dej txau yuav tsum txav tusyees kom tiv thaiv tsis taus thiab tshuaj tsuag. Nws tsis tuaj yeem mus rau hauv arc. Qhov sib tshooj ntawm ob kab yog tsawg dua 1/3, thiab cov kev pab them nqi thiab cov tuab yuav tsum muaj cov khaub ncaws hnav. Tom qab txau ib txheej, yuav tsum them nyiaj rau cov npoo thiab convave thiab convey thiab convex nto, kom txhua yam tso pa tawm, tiv thaiv nrog cov fiber ntau tshwm sim; Tom qab txhua txheej ntawm cov tshuaj tsuag, los kuaj, tsim nyog tom qab txheej tom ntej ntawm tshuaj tsuag; ⑧ Qhov kawg txheej kom tsuag qee yam, ua rau nto du; ⑨ Ntxuav cov dav hlau tam sim ntawd tom qab siv los tiv thaiv cov salmin salorification thiab kev puas tsuaj rau cov khoom siv.
OFFIN HLOOV MOLDING
Letin hloov moulding subbesibleshibleshibleshibleshibles raws li RTM. RTM pib xyoo 1950, yog lub tshuab kaw uas tau kaw ntawm txhais tes muab kev txhim kho txheej txheem moulding moulding txheej txheem, tuaj yeem tsim ob sab ntawm cov khoom siv ob sab. Nyob rau txawv teb chaws teb chaws, kev txhaj tshuaj tiv thaiv kev txhaj tshuaj thiab mob siab kuj tseem muaj nyob hauv pawg no.
Tus txheej txheem tseem ceeb ntawm RTM yog los tso cov iav fiber ntau txhawb cov khoom siv hauv cov pwm kab noj hniav ntawm lub pwm pwm. Lub resin gel tau txhaj rau cov pwm kab noj hniav los ntawm kev kub siab, thiab cov iav fiber ntxiv kom muaj zog, tom qab ntawd kho tau, thiab cov khoom siv pwm yog cov khoom lag luam yog dab.
Los ntawm cov qib kev tshawb fawb yav dhau los, kev tshawb nrhiav ntawm RTM Technology suav nrog cov microcomputer tswj cov tshuab ua ntej, cov txheej txheem ruaj khov thiab hloov chaw, thiab lwm yam.
Cov yam ntxwv ntawm RTM txoj kev siv thev naus laus zis: (1) tuaj yeem tsim cov khoom siv ob tog khoom; (2) txoj kev ua kom siab, haum rau nruab nrab nplai FRP cov khoom lag luam ntau lawm (tsawg dua 20000 daim / xyoo); ③rtm yog lub tsheb khiav kaw pwm, uas tsis yog ib puag ncig ib puag ncig thiab tsis muaj kev puas tsuaj rau cov neeg ua haujlwm noj qab haus huv; (4) Qhov kev txhawb nqa cov khoom siv tau nteg rau txhua qhov kev taw qhia, yooj yim kom paub txog cov khoom siv kev ntxhov siab raws li cov qauv khoom; (5) cov khoom siv raw tsawg dua thiab siv hluav taws xob; ⑥ tsawg peev hauv tsev lub Hoobkas, nrawm.
RTM Technology yog dav siv nyob rau hauv kev tsim kho, kev thauj mus los, kev sib tham, kev noj qab haus huv, aerospace thiab lwm yam kev lag luam. Cov khoom lag luam uas peb tau tsim yog: Tsheb lub tsev ua si, Radome, Radome, Lub rooj zaum da dej, xov tooj ntawm lub rooj muag zaub, Telegraph Tus ncej , Yacht me me, thiab lwm yam.
(1) RTM cov txheej txheem thiab khoom siv
Tag nrho cov txheej txheem ntau lawm ntawm RTM muab faib ua 11 cov txheej txheem. Cov neeg ua haujlwm thiab cov cuab yeej thiab khoom siv ntawm txhua tus txheej txheem yog tsau. Cov pwm thauj los ntawm lub tsheb thiab hla dhau txhua cov txheej txheem thaum tig kom paub qhov kev ua haujlwm txaus. Lub sijhawm voj voog ntawm cov pwm ntawm cov kab ke ntawm cov kab sib dhos cia li cuam tshuam txog kev tsim khoom ntawm cov khoom. Cov khoom me me feem ntau siv sijhawm kaum feeb, thiab lub voj voog ntau ntawm cov khoom loj tuaj yeem tswj tsis pub dhau 1H.
Moulding khoom siv RTM moulding khoom yog tsuas yog siv tshuab thiab pwm.
Resin txhaj tshuab tau tsim los ntawm cob cov twj tso kua mis thiab rab phom txhaj phom. Resin twj tso kua mis yog ib txheej ntawm piston reciprocating twj, sab saum toj yog lub twj tso kua mis aerodynamic. Thaum cov cua compresse tsav lub piston ntawm cov pa tso pa tawm mus rau nce thiab nqis, lub tso kua dej tso rau hauv cov khoom lag luam resin rau ntawm tus nas kev tswj hwm thiab lim. Cov qib tom qab ua rau lub twj tso kua mis uas txav mus thiab ntau qhov chaw ua haujlwm rau lub pas dej. Compressed huab cua tau sau rau ob pas dej ua ke los tsim kom muaj lub zog tsis sib xws rau lub twj tso kua mis siab, ua kom muaj zog ntawm cov khaub ncaws hnav thiab catalyst mus rau lub taub hau. Txhaj phom tua tom qab cov dej ntws tawm hauv cov khoom siv hluav taws xob zoo nkauj, thiab tom qab ntawd cov pa roj ntsha, thiab tom qab ntawd cov roj hmab sib xyaw ua ke, nrog 0.28 MPa siab siv lub tank tank, thaum lub tshuab Tom qab siv, tig rau ntawm lub pob nyem, tsis siv neeg hnyav, phom txhaj tshuaj kom huv si.
Mould RTM tuaj yeem muab faib ua iav hlau pwm, iav hlau nto plated hlau pwm thiab hlau pwm. Miberglass tuaj pwm yog qhov yooj yim rau kev tsim thiab pheej yig dua, Polyester Fiberglass tuaj yeem siv tau 2,000 zaus, epoxy fiberglass tuaj yeem siv tau 4,000 zaug. Cov iav fiber cuam tshuam txog cov pwm yas nrog cov kub-plated nto tuaj yeem siv ntau dua 10000 zaug. Cov pwm pwm tsis tshua siv hauv RTM cov txheej txheem. Feem ntau hais lus, tus nqi pwm ntawm RTM tsuas yog 2% rau 16% ntawm SMC.
(2) RTM Cov Khoom Siv Raw
RTM siv cov ntaub ntawv nyoos xws li Resin system, kev txhawb nqa cov khoom siv thiab muab tub lim.
Resin system lub ntsiab Resin siv hauv RTM cov txheej txheem tsis tau txais nyiaj rov qab polyester.
Qhov Cuab Yeej Txhawb Hluav Taws Xob Cov Ntaub Ntawv RTM Txuas ntxiv cov ntaub ntawv tsuas yog iav fiber ntau, nws cov ntsiab lus yog 25% ~ 45% (qhov hnyav piv); Feem ntau siv cov ntaub ntawv txhawb tau yog cov iav fiber ntau nruam felt, muaj kev sib xyaw thiab cov checkerboard.
Cov phuam ua haujlwm tseem ceeb rau cov txheej txheem RTM vim tias lawv tsis tsuas yog txo tus nqi thiab txhim kho kev ua kom sov, tab sis kuj tseem tuaj yeem nqus cua sov thaum lub sij hawm exhermicmic thaum tshem tawm resin kho. Cov Chais Cawv Siv yog Aluminium hydroxide, iav hlaws, calcium carbonate, Mica thiab lwm yam. Nws koob tshuaj yog 20% ~ 40%.
Hnab hauv hnab, autoclave txoj kev, hydraulic txoj kev coj thiabtHermal Kev Tsim Kho Molding
Txoj kev hnab hauv hnab, cov qauv siv hluav taws xob, cov qauv siv hydraulic thiab thermal expansion moulding txheej txheem. Nws cov txheej txheem mould yog siv cov ntawv paving txoj kev, kev txhawb nqa cov txheej txheem thiab cov txheej txheem tsim qauv) raws li cov txheej txheem tuab) raws li cov ntaub ntawv tuab) raws li siab, cua sov, kho, Hnav khaub ncaws thiab tau txais cov khoom. Qhov sib txawv ntawm plaub txoj kev thiab cov tes muab ua cov txheej txheem tsuas yog cov lus dag nyob rau hauv cov txheej txheem ntawm kev kho siab. Yog li ntawd, lawv tsuas yog kev txhim kho ntawm tes muab cov txheej txheem, txhawm rau txhim kho qhov tsis zoo ntawm cov khoom lag luam thiab interlayer muaj zog.
Nrog siab lub zog iav fiber ntau, carbon fiber ntau, boron fiber ntau, aramong fiber ntau txoj kev siv tau siv dav hauv cov dav hlau, cuaj luaj, lub chaw kaw lus thiab chaw sib tw. Xws li cov qhov rooj dav hlau, ua ncaj ncees, clacket, tis, tw, bulkhead, phab ntsa thiab stealth aircraft.
(1) cov qauv hnab
Hnab Nias Molding yog cov tes paste moulding ntawm cov khoom tsis muaj roj, los ntawm cov khoom siv roj hmab lossis lwm cov khoom lag luam kom nruj, solidified.
Qhov zoo ntawm lub hnab ua qauv yog: (1) du rau ob sab ntawm cov khoom; ② Haum rau polyester, epoxy thiab phenolic resin; Cov khoom nyhav yog siab dua li txhais tes.
Lub hnab siab molding rau hauv siab lub hnab txheej txheem thiab cov hnab nqus hnab txuj ci ua rau cov hnab roj hmab tsis muaj zog, tsau lub npog phaj, tsau cov npog phaj lossis tom qab ntawd (0.25 ~ 0.5MPA), kom cov khoom hauv kub nias cov xwm txheej ua solorified. (2) Lub Tshuab Nqus Tsev Txoj Kev Qauv no yog los ntawm cov khoom siv roj hmab tsis txaus ntseeg, cov khoom siv roj hmab tsis muaj roj hmab, cov khoom siv roj hmab, nqus dej (0.07mpa), kom lub npuas thiab volatils nyob rau hauv cov khoom raug cais tawm. Vim yog lub tshuab nqus me me, lub hnab nqus hnab ua qauv tsuas yog siv rau kev sib xyaw ntub dej polyester thiab epoxy composite cov khoom lag luam.
(2) kub siab hwj kais thiab cov qauv kaus hniav hydraulic
Kub autoclaved hwj kais thiab cov vaj hydraulic no nyob hauv lub thawv ntim hlau, los ntawm cov khoom siv sib xyaw ua ke cov khoom cua sov, siab, ua kom nws ua kom haum rau cov txheej txheem.
Autoclave txoj hau kev autoclave yog kab rov tav hlau cov khoom lag luam, nqus tsev, los ntawm chav (siab yog 1.5MPA), thiab lub tshuab nqus tsev), thiab lub tshuab nqus tsev, nias Cov khoom lag luam, cua sov, tshem tawm npuas, kom nws ua tau zoo nyob rau hauv cov xwm txheej ntawm lub siab kub. Nws muab cov txiaj ntsig ntawm lub zog lub hnab log thiab lub hnab nqus hnab txoj kev, nrog cov voj voog luv luv thiab cov khoom lag luam zoo. Kub lub autoclave txoj kev tuaj yeem tsim cov loj me, cov duab ntawm cov khoom lag luam zoo, kev ua tau zoo. Qhov loj ntawm cov khoom yog txwv los ntawm autoclave. Tam sim no, tus nqi loj tshaj plaws hauv Suav teb muaj ib lub cheeb ntawm 2.5m thiab ntev ntawm 18m. Cov khoom uas tau tsim thiab thov muaj nyob nrog tis, Tail, Satellite kav hlau txais xov, Missile reentry lub cev thiab huab cua sandwich qauv radome. Qhov tsis zoo tshaj plaws ntawm hom no yog cov peev txheej peev, qhov hnyav, cov qauv sib txawv, tus nqi siab.
Cov cuab yeej siv hluav taws xob hydraulic hau yog lub vessel kaw dua li cov khoom nqus kub, ntawm cov khoom sib tw ua kom sov, nias, kom nws muaj kev sib tw. Lub siab ntawm hydraulic lauj kaub tuaj yeem ncav cuag 2mpa lossis siab dua, thiab qhov kub yog 80 ~ 100 ℃. Roj cab kuj, ua kom sov txog 200 ℃. Cov khoom lag luam tsim los ntawm hom no yog ntom, luv voj voog, qhov tsis zoo ntawm cov qauv xov xwm hydraulic yog cov peev txheej loj hauv cov cuab yeej.
(3) Kev nthuav dav kev nthuav dav moulding
Thermal Kev nthuav dav moulding yog txheej txheem siv los tsim cov hollow nyias phab ntsa siab ua tau zoo cov khoom lag luam. Nws lub hauv paus ntsiab lus ua neeg yog kev siv cov khoom nthuav dav sib txawv ntawm cov ntaub ntawv pwm, kev siv cov khoom siv sib txawv ntawm cov khoom lag luam siab. Cov txiv neej pwm ntawm thermal expansion moulding txoj kev yog silicon roj hmab nrog loj nthuav cov coefficiention, thiab tus poj niam pwm yog cov khoom siv hlau nrog me me. Cov khoom tsis tau unsolidified yog muab tso rau nruab nrab ntawm tus txiv neej pwm thiab tus poj niam pwm ntawm tes. Vim tias qhov sib txawv sib txawv coefficient ntawm qhov zoo thiab tsis zoo pwm, muaj qhov txawv txav loj, uas ua rau cov khoom solidified nyob rau hauv kub siab.
Lub Sijhawm Post: 29-06-22