Muaj kev xaiv dav ntawm cov 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 tshwj xeeb ntawm lub zog, tawv, tawv, thiab thermal stability, nrog rau cov nqi sib txawv thiab yields. Txawm li cas los xij, qhov kev ua tau zoo kawg ntawm cov khoom siv sib xyaw ua ke tsis yog tsuas yog cuam tshuam nrog cov khoom siv cob thiab fibers (nrog rau cov khoom tseem ceeb hauv cov khoom siv sandwich), tab sis kuj tseem cuam tshuam nrog kev tsim qauv thiab kev tsim cov txheej txheem ntawm cov khoom hauv cov qauv. Hauv daim ntawv no, peb yuav qhia txog cov txheej txheem tsim khoom siv feem ntau rau cov khoom sib xyaw, cov ntsiab lus tseem ceeb ntawm txhua txoj kev thiab cov khoom siv raw li cas raug xaiv rau cov txheej txheem sib txawv.
Txhaj tshuaj molding
1, txoj kev piav qhia: luv luv-txiav fiber reinforcing khoom thiab resin system nyob rau tib lub sij hawm sprayed nyob rau hauv pwm, thiab ces kho nyob rau hauv atmospheric siab rau hauv thermosetting composite khoom ntawm ib tug molding txheej txheem.
2. Cov khoom siv xaiv:
Resin: feem ntau yog polyester
Fiber: coarse iav fiber ntau xov paj
Cov khoom siv tseem ceeb: tsis muaj, yuav tsum tau ua ke nrog plywood ib leeg
3. Qhov zoo tshaj plaws:
1) Ntev keeb kwm ntawm craftsmanship
2) Tus nqi qis, ceev nteg-up ntawm fiber ntau thiab cob
3) Tus nqi pwm tsawg
4, lub ntsiab tsis zoo:
1) Lub plywood yog ib qho yooj yim rau cov resin-nplua nuj cheeb tsam, siab hnyav
2) Tsuas yog luv-txiav fibers tuaj yeem siv tau, uas txwv tsis pub cov khoom siv ntawm plywood.
3) Txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau tshuaj tsuag
4) Lub siab styrene cov ntsiab lus ntawm cov tshuaj tsuag resin txhais tau hais tias muaj peev xwm txaus ntshai rau tus neeg teb xov tooj, thiab qhov viscosity tsawg txhais tau hais tias cov resin tuaj yeem nkag tau yooj yim rau tus neeg ua haujlwm cov khaub ncaws ua haujlwm thiab tuaj yeem tiv tauj ncaj qha rau ntawm daim tawv nqaij.
5) Lub concentration ntawm volatile styrene nyob rau hauv cov huab cua yog ib qho nyuaj rau ua tau raws li txoj cai.
5. Cov ntawv thov ib txwm:
Tej yam yooj yim fencing, uas tsis muaj loads structural panels xws li convertible tsheb lub cev, tsheb fairings, bathtubs thiab me me nkoj.
Tes Layup Molding
1, txoj kev piav qhia: manually infiltrate resin rau hauv cov fibers, cov fibers yuav woven, braided, sewn los yog bonded thiab lwm yam kev txhawb zog, tes lay-up molding feem ntau yog ua nrog rollers los yog txhuam, thiab ces cov resin yog nyem nrog ib tug kua nplaum rau cov menyuam kom nws nkag mus rau hauv lub fibers. Lub plywood yog muab tso rau hauv ib txwm siab los kho.
2. Cov khoom siv xaiv:
Resin: tsis xav tau, epoxy, polyester, polyethylene-based ester, phenolic resins muaj
Fiber: tsis muaj qhov yuav tsum tau ua, tab sis lub hauv paus hnyav ntawm cov fiber ntau aramid yog qhov nyuaj rau kev nkag mus rau hauv tes.
Cov khoom siv tseem ceeb: tsis xav tau
3, lub ntsiab zoo:
1) Ntev keeb kwm ntawm technology
2) Yooj yim kawm
3) tus nqi pwm qis yog siv chav tsev kub curing resin
4) Kev xaiv dav ntawm cov ntaub ntawv thiab cov khoom siv
5) Cov ntsiab lus fiber ntau, ntev fibers siv dua li cov txheej txheem txau
4, Lub ntsiab tsis zoo:
1) Resin mixing, laminate resin cov ntsiab lus thiab kev ua tau zoo muaj feem cuam tshuam nrog tus neeg teb xov tooj kev paub, nws yog qhov nyuaj kom tau txais cov ntsiab lus qis thiab cov porosity tsawg ntawm laminate.
2) Resin kev noj qab haus huv thiab kev nyab xeeb kev phom sij, qhov qis dua qhov hnyav ntawm tes lay-up resin, qhov loj dua qhov muaj peev xwm ua rau muaj kev phom sij, qhov qis dua txhais tau hais tias cov resin feem ntau nkag mus rau cov neeg ua haujlwm cov khaub ncaws ua haujlwm thiab yog li tuaj rau hauv kev sib cuag nrog cov tawv nqaij.
3) Yog tias tsis muaj qhov cua zoo, qhov concentration ntawm styrene evaporated los ntawm polyester thiab polyethylene-based esters rau hauv huab cua yog qhov nyuaj rau kev ua raws li kev cai lij choj.
4) Lub viscosity ntawm tes-paste resin 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 hluav taws xob / thermal ntawm cov khoom sib xyaw.
5) Cov ntawv thov: qauv cua turbine hniav, cov nkoj tsim tawm ntau, cov qauv tsim qauv.
Vacuum bagging txheej txheem
1. Txoj kev piav qhia: Nqus hnab ntim txheej txheem yog ib qho kev txuas ntxiv ntawm cov txheej txheem saum toj no, xws li sealing ib txheej ntawm cov yas zaj duab xis rau ntawm pwm yuav yog tes-layup plywood nqus tsev vacuum, siv lub atmospheric siab rau cov plywood kom ua tiav cov nyhuv ntawm kev qaug zog thiab nruj, txhawm rau txhim kho qhov zoo ntawm cov khoom sib xyaw.
2. Kev xaiv cov khoom siv:
Resin: feem ntau epoxy thiab phenolic resins, polyester thiab polyethylene-raws li ester yog tsis siv, vim hais tias lawv muaj styrene, volatilization rau hauv lub tshuab nqus tsev twj.
Fiber: tsis muaj qhov yuav tsum tau, txawm tias lub hauv paus hnyav ntawm cov fibers loj tuaj yeem nkag mus rau hauv siab
Cov khoom siv tseem ceeb: tsis xav tau
3. Qhov zoo tshaj plaws:
1) Cov ntsiab lus fiber ntau dua li cov txheej txheem tes nteg tuaj yeem ua tiav
2) Cov void ratio yog qis dua tus txheej txheem tes nteg.
3) Nyob rau hauv qhov tsis zoo siab, cov resin ntws txaus los txhim kho qib ntawm fiber ntau infiltration, ntawm chav kawm, ib feem ntawm cov resin yuav absorbed los ntawm lub tshuab nqus tsev consumables.
4) Kev noj qab haus huv thiab kev nyab xeeb: lub tshuab nqus tsev nqus cov txheej txheem tuaj yeem txo qhov kev tso tawm ntawm cov volatiles thaum lub sijhawm kho
4, Lub ntsiab tsis zoo:
1) Cov txheej txheem ntxiv ua rau tus nqi ntawm kev ua haujlwm thiab cov khoom siv lub tshuab nqus tsev pov tseg
2) Cov kev xav tau siab dua rau cov neeg ua haujlwm
3) Resin mixing thiab tswj cov ntsiab lus resin nyob ntawm cov neeg ua haujlwm paub zoo
4) Txawm hais tias lub hnab nqus tsev txo qhov tso tawm ntawm cov volatiles, qhov kev pheej hmoo ntawm kev noj qab haus huv rau tus neeg teb xov tooj tseem siab dua li cov txheej txheem infusion lossis prepreg.
5, Cov ntawv thov: loj loj, ib qho txwv ib tsab yachts, sib tw tsheb qhov chaw, shipbuilding txheej txheem ntawm cov khoom tseem ceeb sib txuas.
Winding Moulding
1. Kev piav qhia ntawm txoj kev: Cov txheej txheem winding yog siv los tsim cov hollow, puag ncig lossis oval zoo li tus qauv xws li cov kav dej thiab cov troughs. Fiber bundles yog resin-impregnated thiab tom qab ntawd raug mob ntawm ib tug mandrel nyob rau hauv ntau yam lus qhia. Cov txheej txheem yog tswj los ntawm lub tshuab winding thiab mandrel ceev.
2. Cov khoom siv xaiv:
Resin: 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 khoom siv fiber ntau ntawm spool thav duab, tsis tas yuav xaws lossis xaws rau hauv daim ntaub fiber ntau
Cov khoom siv tseem ceeb: tsis muaj qhov yuav tsum tau ua, tab sis daim tawv nqaij feem ntau yog ib txheej ntawm cov khoom sib xyaw
3. lub ntsiab zoo:
(1) ceev ceev ntau lawm, yog ib qho kev lag luam thiab tsim nyog txoj kev layups
(2) Cov ntsiab lus ntawm cov resin tuaj yeem tswj tau los ntawm kev ntsuas tus nqi ntawm cov khoom nqa los ntawm cov khoom siv fiber ntau dhau los ntawm cov groove resin.
(3) Tsawg tus nqi fiber ntau, tsis muaj txheej txheem nruab nrab
(4) kev ua haujlwm zoo heev, vim tias cov kab ntawv fiber ntau tuaj yeem muab tso rau ntawm ntau yam kev coj ua
4. Lub ntsiab tsis zoo:
(1) Cov txheej txheem yog txwv rau cov qauv hollow.
(2) Fibers tsis yooj yim thiab raug teeb tsa raws axial kev taw qhia ntawm cov khoom
(3) Tus nqi siab dua ntawm mandrel zoo molding rau cov qauv loj
(4) Sab nrauv ntawm cov qauv tsis yog pwm nto, yog li kev zoo nkauj yog qhov phem dua
(5) Kev siv cov viscosity tsawg, yuav tsum tau ua tib zoo saib xyuas cov khoom siv thiab kev noj qab haus huv thiab kev nyab xeeb.
Daim ntawv thov: tshuaj cia tso tsheb hlau luam thiab cov kav dej, lub tog raj kheej, cov hluav taws kub tua hluav taws ua pa tso tsheb hlau luam.
Pultrusion molding
1. txoj kev piav qhia: los ntawm cov bobbin tuav tau kos fiber ntau pob impregnated nrog kua nplaum los ntawm lub tshav kub phaj, nyob rau hauv lub tshav kub phaj kom tiav cov resin nyob rau hauv lub fiber infiltration, thiab tswj cov resin ntsiab lus, thiab thaum kawg cov khoom yuav kho tau rau hauv cov duab yuav tsum tau; qhov zoo li no ntawm cov khoom kho kho tau zoo yog mechanically txiav rau hauv qhov ntev sib txawv. Fibers tseem tuaj yeem nkag mus rau lub phaj kub hauv cov lus qhia uas tsis yog 0 degrees. Extrusion thiab stretch molding yog cov txheej txheem ntau lawm thiab cov khoom hla ntu feem ntau muaj qhov ruaj khov, tso cai rau kev hloov pauv me ntsis. Yuav dhau los ntawm cov phaj kub ntawm cov khoom siv pre-wetted tsau thiab kis mus rau hauv pwm tam sim ntawd kho, txawm tias cov txheej txheem zoo li no tsis tu ncua, tab sis tuaj yeem ua tiav qhov kev hloov pauv ntawm ntu ntu.
2. Cov khoom siv xaiv:
Resin: feem ntau epoxy, polyester, polyethylene-based ester thiab phenolic resin, thiab lwm yam.
Fiber: tsis xav tau
Cov khoom siv tseem ceeb: tsis siv ntau
3. Qhov zoo tshaj plaws:
(1) ceev ceev ntau lawm, yog ib qho kev lag luam thiab tsim nyog ntawm pre-wetting thiab curing cov ntaub ntawv
(2) kev tswj xyuas meej ntawm cov ntsiab lus resin
(3) fiber ntau tus nqi txo qis, tsis muaj txheej txheem nruab nrab
(4) Cov khoom siv zoo heev, vim tias cov pob khoom fiber ntau tau teeb tsa hauv cov kab ncaj, fiber ntau feem ntau yog siab.
(5) fiber ntau infiltration cheeb tsam tuaj yeem raug kaw kom txo tau qhov tso tawm ntawm volatiles
4. lub ntsiab tsis zoo:
(1) cov txheej txheem txwv cov duab ntawm qhov hla ntu
(2) Cov nqi hluav taws xob ntau dua
5. Cov kev siv ib txwm: kab teeb thiab trusses ntawm vaj tse, txuas hniav, ntaiv thiab laj kab.
Resin Hloov Moulding Txheej Txheem (RTM)
1. Cov lus piav qhia ntawm txoj kev: Cov fibers qhuav tau muab tso rau hauv cov pwm qis, uas tuaj yeem ua ntej-pressurized ua kom cov fibers haum rau cov pwm kom ntau li ntau tau thiab yuav ua rau adhesively khi; Tom qab ntawd, cov pwm sab saud yog tsau rau ntawm cov pwm qis los ua cov kab noj hniav, thiab tom qab ntawd cov resin txhaj rau hauv kab noj hniav. Nqus-pab resin txhaj tshuaj thiab infiltration ntawm fibers, hu ua Vacuum-Assisted Resin Injection (VARI), feem ntau yog siv. Thaum cov fiber ntau infiltration tiav, cov resin introduction valve raug kaw thiab cov sib xyaw yog kho. Resin txhaj tshuaj thiab kho yuav ua tau nyob rau hauv chav tsev kub los yog nyob rau hauv rhuab tej yam kev mob.
2. Kev xaiv cov khoom siv:
Resin: feem ntau epoxy, polyester, polyvinyl ester thiab phenolic resin, bismaleimide resin tuaj yeem siv rau qhov kub thiab txias
Fiber: tsis xav tau. Sewn fiber ntau haum rau cov txheej txheem no, vim tias qhov sib txawv ntawm cov khoom siv fiber ntau yog qhov tsim nyog rau kev hloov pauv; muaj tshwj xeeb tsim fibers tuaj yeem txhawb nqa resin ntws
Cov khoom siv tseem ceeb: cellular foam tsis haum, vim hais tias cov cellular honeycomb yuav tau ntim nrog resin, thiab lub siab kuj yuav ua rau cov npuas dej tawg.
3. lub ntsiab zoo:
(1) Ntau dua fiber ntau qhov feem, tsawg porosity
(2) Kev noj qab haus huv thiab kev nyab xeeb, huv si thiab huv si ib puag ncig raws li cov resin raug kaw tag.
(3) Txo kev siv zog ua haujlwm
(4) Sab sauv thiab sab qis ntawm cov khoom siv yog cov khoom siv molded, uas yooj yim rau kev kho mob tom ntej.
4. Lub ntsiab tsis zoo:
(1) Cov pwm siv ua ke yog kim, hnyav thiab kuj loj heev kom tiv taus siab dua.
(2) txwv rau kev tsim khoom me me
(3) Qhov chaw tsis ntub dej tuaj yeem tshwm sim tau yooj yim, ua rau muaj cov khoom seem ntau
5. Cov kev siv ib txwm: me me thiab complex chaw shuttle thiab tsheb qhov chaw, tsheb ciav hlau rooj.
Post lub sij hawm: Aug-08-2024
