Muaj ntau yam khoom siv raw rau cov khoom sib xyaw, suav nrog cov resins, fibers, thiab cov ntaub ntawv tseem ceeb, thiab txhua yam khoom muaj nws tus kheej cov yam ntxwv ntawm lub zog, kev tawv, kev tawv, thiab kev ruaj khov thermal, nrog rau cov nqi thiab cov txiaj ntsig sib txawv. Txawm li cas los xij, qhov kev ua tau zoo kawg ntawm cov khoom sib xyaw ua ke tag nrho tsis yog tsuas yog cuam tshuam nrog cov resin matrix thiab fibers (nrog rau cov khoom siv tseem ceeb hauv cov qauv khoom sandwich), tab sis kuj cuam tshuam nrog txoj kev tsim qauv thiab cov txheej txheem tsim khoom ntawm cov ntaub ntawv hauv cov qauv. Hauv tsab ntawv no, peb yuav qhia txog cov txheej txheem tsim khoom siv rau cov khoom sib xyaw, cov yam tseem ceeb cuam tshuam ntawm txhua txoj kev thiab cov ntaub ntawv raw raug xaiv li cas rau cov txheej txheem sib txawv.
Tshuaj tsuag molding
1, kev piav qhia txog txoj kev: cov khoom siv fiber luv luv thiab cov khoom siv resin tib lub sijhawm txau rau hauv pwm, thiab tom qab ntawd kho kom zoo hauv qab atmospheric siab rau hauv cov khoom sib xyaw thermosetting ntawm cov txheej txheem molding.
2. Kev xaiv khoom siv:
Cov tshuaj: feem ntau yog polyester
Khoom siv: fiberglass fiber ntau
Cov khoom siv tseem ceeb: tsis muaj, yuav tsum tau ua ke nrog plywood ib leeg
3. Cov txiaj ntsig tseem ceeb:
1) Keeb kwm ntev ntawm kev ua haujlwm tes ua
2) Tus nqi qis, kev tso ceev ntawm cov fiber thiab cov resin
3) Tus nqi pwm qis
4, qhov tsis zoo tseem ceeb:
1) Cov plywood yooj yim rau tsim cov resin-nplua nuj cheeb tsam, qhov hnyav siab
2) Tsuas yog cov fibers luv luv xwb thiaj siv tau, uas ua rau cov khoom siv ntawm cov plywood tsawg heev.
3) Yuav kom yooj yim rau kev txau, cov roj hmab viscosity yuav tsum qis txaus, poob cov khoom siv kho tshuab thiab thermal ntawm cov khoom sib xyaw.
4) Cov tshuaj tsuag muaj cov styrene ntau txhais tau tias muaj kev phom sij rau tus neeg teb xov tooj, thiab qhov viscosity qis txhais tau tias cov tshuaj tsuag tuaj yeem nkag mus rau hauv cov khaub ncaws ua haujlwm ntawm tus neeg ua haujlwm thiab kov ncaj qha rau daim tawv nqaij.
5) Qhov kev sib sau ua ke ntawm cov styrene volatile hauv huab cua nyuaj rau ua raws li txoj cai lij choj.
5. Cov Ntawv Thov Ib Txwm Muaj:
Cov laj kab yooj yim, cov vaj huam sib luag uas tsis hnyav xws li cov lub cev tsheb uas hloov tau, cov rooj zaum tsheb thauj khoom, cov dab da dej thiab cov nkoj me.
Kev Tsim Kho Tes
1, txoj kev piav qhia: manually infiltrate cov resin rau hauv cov fibers, cov fibers tuaj yeem woven, braided, sewn lossis bonded thiab lwm yam kev txhawb nqa, tes-up molding feem ntau yog ua nrog rollers lossis txhuam, thiab tom qab ntawd cov resin yog squeezed nrog ib tug kua nplaum roller kom nws nkag mus rau hauv cov fibers. Lub plywood yog muab tso rau hauv qab ib txwm siab kom kho.
2. Kev xaiv khoom siv:
Cov tshuaj nplaum: tsis tas yuav tsum muaj, epoxy, polyester, polyethylene-based ester, phenolic resins muaj
Fiber: tsis muaj qhov yuav tsum tau ua, tab sis qhov hnyav ntawm cov fiber aramid loj dua nyuaj rau nkag mus rau hauv tes-tso
Cov khoom siv tseem ceeb: tsis tas yuav tsum muaj
3, qhov zoo tshaj plaws:
1) Keeb kwm ntev ntawm kev siv tshuab
2) Yooj yim kawm
3) tus nqi pwm qis yog tias siv cov tshuaj kho kub hauv chav tsev
4) Kev xaiv ntau yam khoom siv thiab cov neeg muag khoom
5) Cov ntsiab lus fiber ntau, cov fibers ntev dua li cov txheej txheem txau
4, Qhov tsis zoo tseem ceeb:
1) Kev sib xyaw ua ke ntawm cov resin, cov ntsiab lus ntawm cov laminate resin thiab qhov zoo yog ze rau tus neeg teb xov tooj qhov kev txawj ntse, nws nyuaj rau kom tau txais cov ntsiab lus resin qis thiab cov porosity qis ntawm cov laminate
2) Kev phom sij rau kev noj qab haus huv thiab kev nyab xeeb ntawm cov tshuaj resin, qhov qis dua qhov hnyav ntawm cov tshuaj tes tso, qhov ntau dua qhov kev hem thawj rau kev noj qab haus huv, qhov qis dua qhov viscosity txhais tau tias cov tshuaj resin yuav nkag mus rau hauv cov neeg ua haujlwm cov khaub ncaws ua haujlwm thiab yog li ntawd los kov ncaj qha rau daim tawv nqaij.
3) Yog tias tsis muaj qhov cua zoo, qhov concentration ntawm styrene evaporated los ntawm polyester thiab polyethylene-based esters mus rau hauv huab cua yog qhov nyuaj rau ua raws li txoj cai lij choj.
4) Qhov viscosity ntawm cov tshuaj pleev tes yuav tsum qis heev, yog li cov ntsiab lus ntawm styrene lossis lwm cov kuab tshuaj yuav tsum siab, yog li poob cov khoom siv kho tshuab / thermal ntawm cov khoom sib xyaw.
5) Cov ntawv thov ib txwm muaj: cov hniav cua turbine txheem, cov nkoj tsim tawm ntau, cov qauv vaj tsev.
Cov txheej txheem nqus tsev
1. Kev piav qhia txog txoj kev: Cov txheej txheem nqus tsev yog ib qho kev txuas ntxiv ntawm cov txheej txheem saum toj no, piv txwv li kev kaw ib txheej yas yas rau ntawm pwm yuav yog kev nqus tsev plywood, siv lub zog cua rau plywood kom ua tiav cov txiaj ntsig ntawm kev nqus pa thiab nruj, txhawm rau txhim kho qhov zoo ntawm cov khoom sib xyaw.
2. kev xaiv khoom siv:
Cov tshuaj resin: feem ntau yog epoxy thiab phenolic resins, polyester thiab polyethylene-based ester tsis siv tau, vim lawv muaj styrene, volatilization rau hauv lub twj tso kua mis nqus tsev.
Fiber: tsis tas yuav tsum tau ua, txawm tias qhov hnyav ntawm cov fibers loj dua tuaj yeem nkag mus rau hauv qab siab
Cov khoom siv tseem ceeb: tsis tas yuav tsum muaj
3. Cov txiaj ntsig tseem ceeb:
1) Cov ntsiab lus fiber ntau dua li cov txheej txheem tes ua tiav
2) Qhov piv ntawm qhov khoob qis dua li tus txheej txheem tso tes.
3) Nyob rau hauv qhov siab tsis zoo, cov resin ntws txaus kom txhim kho qib ntawm cov fiber infiltration, ntawm chav kawm, ib feem ntawm cov resin yuav raug nqus los ntawm cov khoom siv nqus tsev.
4) Kev noj qab haus huv thiab kev nyab xeeb: cov txheej txheem nqus tsev tuaj yeem txo qhov kev tso tawm ntawm cov volatiles thaum lub sijhawm kho
4, Qhov tsis zoo tseem ceeb:
1) Cov txheej txheem ntxiv ua rau tus nqi zog ua haujlwm thiab cov khoom siv hnab nqus tsev pov tseg nce ntxiv
2) Cov kev xav tau kev txawj ntse siab dua rau cov neeg teb xov tooj
3) Kev sib xyaw ua ke ntawm cov resin thiab kev tswj cov ntsiab lus ntawm cov resin feem ntau nyob ntawm tus neeg teb xov tooj qhov kev txawj ntse
4) Txawm hais tias cov hnab nqus tsev txo qhov kev tso tawm ntawm cov volatiles, qhov kev pheej hmoo rau kev noj qab haus huv rau tus neeg teb xov tooj tseem siab dua li ntawm cov txheej txheem infusion lossis prepreg
5, Cov ntawv thov ib txwm muaj: qhov loj me, ib qho kev txwv tsawg rau cov yachts, kev sib tw tsheb, cov txheej txheem tsim nkoj ntawm cov khoom siv tseem ceeb.
Winding Molding
1. Kev piav qhia txog txoj kev: Cov txheej txheem winding feem ntau yog siv los tsim cov khoom siv hollow, puag ncig lossis oval xws li cov kav dej thiab cov thoob. Cov fiber bundles yog resin-impregnated thiab tom qab ntawd qhwv rau ntawm lub mandrel hauv ntau qhov kev taw qhia. Cov txheej txheem yog tswj los ntawm lub tshuab winding thiab qhov ceev ntawm lub mandrel.
2. Kev xaiv khoom siv:
Cov tshuaj nplaum: tsis tas yuav tsum muaj, xws li epoxy, polyester, polyethylene-based ester thiab phenolic resin, thiab lwm yam.
Fiber: tsis muaj qhov yuav tsum tau ua, siv ncaj qha ntawm cov fiber bundles ntawm lub spool ncej, tsis tas yuav tsum tau weave lossis xaws woven rau hauv daim ntaub fiber
Cov khoom siv tseem ceeb: tsis tas yuav tsum muaj, tab sis daim tawv nqaij feem ntau yog cov khoom siv sib xyaw ua ke ib txheej
3. qhov zoo tshaj plaws:
(1) kev ceev ceev ntawm kev tsim khoom, yog ib txoj hauv kev lag luam thiab tsim nyog ntawm kev teeb tsa
(2) Cov ntsiab lus ntawm cov resin tuaj yeem tswj tau los ntawm kev ntsuas qhov ntau ntawm cov resin uas nqa los ntawm cov fiber bundles hla dhau cov resin groove.
(3) Tus nqi fiber tsawg kawg nkaus, tsis muaj txheej txheem weaving nruab nrab
(4) kev ua tau zoo heev ntawm cov qauv, vim tias cov kab sib txuas ua ke tuaj yeem tso raws ntau qhov kev taw qhia ntawm kev thauj khoom
4. Cov kev tsis zoo tseem ceeb:
(1) Cov txheej txheem tsuas yog txwv rau cov qauv hollow puag ncig.
(2) Cov fibers tsis yooj yim thiab raug teeb tsa raws li qhov kev taw qhia axial ntawm cov khoom
(3) Tus nqi siab dua ntawm mandrel zoo molding rau cov khoom loj
(4) Sab nraud ntawm cov qauv tsis yog pwm nto, yog li qhov zoo nkauj tsis zoo
(5) Kev siv cov tshuaj uas tsis muaj viscosity, yuav tsum tau them sai sai rau cov khoom siv kho tshuab thiab kev noj qab haus huv thiab kev nyab xeeb
Cov ntawv thov ib txwm muaj: cov thoob dej tshuaj thiab cov kav dej, cov thooj voos kheej kheej, cov thoob dej ua pa rau cov neeg tua hluav taws.
Pultrusion molding
1. Kev piav qhia txog txoj kev: los ntawm lub bobbin tuav rub cov fiber bundle impregnated nrog kua nplaum los ntawm lub phaj cua sov, hauv lub phaj cua sov kom ua tiav cov resin ntawm cov fiber infiltration, thiab tswj cov ntsiab lus resin, thiab thaum kawg cov khoom yuav kho rau hauv cov duab xav tau; cov duab no ntawm cov khoom kho kho ruaj khov yog mechanically txiav rau hauv ntau qhov ntev. Cov fibers kuj tuaj yeem nkag mus rau hauv lub phaj kub hauv cov lus qhia tsis yog 0 degrees. Extrusion thiab ncab molding yog ib qho txheej txheem tsim khoom tas mus li thiab cov khoom hla-seem feem ntau muaj cov duab ruaj khov, tso cai rau kev hloov pauv me ntsis. Yuav dhau los ntawm lub phaj kub ntawm cov khoom ua ntej-ntub kho thiab kis mus rau hauv pwm tam sim ntawd kho, txawm hais tias cov txheej txheem zoo li no tsis tas mus li, tab sis tuaj yeem ua tiav qhov kev hloov pauv ntawm seem.
2. Kev xaiv khoom siv:
Cov tshuaj nplaum: feem ntau yog epoxy, polyester, polyethylene-based ester thiab phenolic resin, thiab lwm yam.
Fiber: tsis tas yuav tsum muaj
Cov khoom siv tseem ceeb: tsis tshua siv
3. Cov txiaj ntsig tseem ceeb:
(1) kev ceev ceev ntawm kev tsim khoom, yog ib txoj hauv kev pheej yig thiab tsim nyog ntawm kev ua ntej ntub thiab kho cov ntaub ntawv
(2) kev tswj hwm cov ntsiab lus ntawm cov resin
(3) txo tus nqi fiber, tsis muaj txheej txheem weaving nruab nrab
(4) cov qauv zoo heev, vim tias cov fiber bundles tau teeb tsa ua kab ncaj, thiab cov fiber ntau yog siab
(5) thaj chaw infiltration fiber tuaj yeem kaw tag nrho kom txo qhov kev tso tawm ntawm cov volatiles
4. qhov tsis zoo tseem ceeb:
(1) cov txheej txheem txwv cov duab ntawm qhov seem
(2) Tus nqi siab dua ntawm cov phaj cua sov
5. Cov ntawv thov ib txwm muaj: cov ntoo thiab cov trusses ntawm cov qauv vaj tse, cov choj, cov ntaiv thiab cov laj kab.
Cov Txheej Txheem Hloov Pauv Resin (RTM)
1. Kev piav qhia txog txoj kev: Cov fibers qhuav raug muab tso rau hauv pwm qis dua, uas tuaj yeem ua ntej-pressurized kom cov fibers haum rau cov duab ntawm pwm ntau li ntau tau thiab raug khi ua ke; tom qab ntawd, cov pwm sab saud raug kho rau ntawm cov pwm qis dua los ua qhov khoob, thiab tom qab ntawd cov resin raug txhaj rau hauv qhov khoob. Kev txhaj tshuaj resin pab los ntawm lub tshuab nqus tsev thiab kev nkag mus rau hauv cov fibers, hu ua Vacuum-Assisted Resin Injection (VARI), feem ntau yog siv. Thaum cov fiber infiltration tiav lawm, lub qhov dej qhia txog resin raug kaw thiab cov khoom sib xyaw tau kho. Kev txhaj tshuaj resin thiab kev kho tuaj yeem ua tiav ntawm chav tsev kub lossis nyob rau hauv cov xwm txheej kub.
2. Kev Xaiv Khoom Siv:
Cov tshuaj nplaum: feem ntau yog epoxy, polyester, polyvinyl ester thiab phenolic resin, bismaleimide resin siv tau rau qhov kub siab
Fiber: tsis tas yuav tsum muaj. Cov fiber xaws zoo dua rau cov txheej txheem no, vim tias qhov sib txawv ntawm cov fiber bundle yog qhov zoo rau kev hloov pauv resin; muaj cov fibers tsim tshwj xeeb uas tuaj yeem txhawb cov resin ntws
Cov khoom siv tseem ceeb: cov ua npuas ncauj tsis haum, vim tias cov hlwb honeycomb yuav puv nrog cov resin, thiab qhov siab kuj tseem yuav ua rau cov ua npuas ncauj vau.
3. qhov zoo tshaj plaws:
(1) Cov fiber ntau dua, cov porosity tsawg
(2) Kev noj qab haus huv thiab kev nyab xeeb, huv si thiab huv si ib puag ncig ua haujlwm raws li cov roj hmab raug kaw tag.
(3) Txo kev siv zog ua haujlwm
(4) Sab saud thiab sab hauv qab ntawm cov khoom siv yog cov pwm ua los ntawm cov khoom siv, uas yooj yim rau kev kho qhov chaw tom qab.
4. Cov kev tsis zoo tseem ceeb:
(1) Cov pwm siv ua ke kim heev, hnyav thiab loj heev kom tiv taus qhov siab dua.
(2) txwv rau kev tsim cov khoom me me
(3) Cov chaw tsis ntub dej tuaj yeem tshwm sim tau yooj yim, ua rau muaj ntau yam khoom seem
5. Cov ntawv thov ib txwm muaj: cov khoom me me thiab nyuaj rau thauj mus los hauv qhov chaw thiab cov khoom siv hauv tsheb, cov rooj zaum hauv tsheb ciav hlau.
Lub sijhawm tshaj tawm: Lub Yim Hli-08-2024
