Cov khoom siv tsis yog xim hlau siv hauv tsheb muaj xws li cov yas, roj hmab, cov nplaum nplaum, cov ntaub ntawv sib txhuam, ntaub, iav, thiab lwm yam ntaub ntawv. Cov ntaub ntawv no koom nrog ntau yam kev lag luam xws li petrochemicals, lub teeb kev lag luam, textiles, thiab cov khoom siv hauv tsev. Yog li ntawd, kev siv cov khoom siv tsis yog xim hlau hauv tsheb yog qhov kev xav ntawm combined economic thiab technological zog, thiab nws kuj encompasses ib tug ntau yam ntawm technology kev loj hlob thiab kev siv peev xwm nyob rau hauv muaj feem xyuam rau industries.
Tam sim no, iav fiber ntau reinyuam cov ntaub ntawv sib xyaw siv hauv tsheb suav nrog iav fiber reinforced thermoplastics (QFRTP), iav fiber mat reinforced thermoplastics (GMT), daim ntawv molding tebchaw (SMC), resin hloov molding cov ntaub ntawv (RTM), thiab tes-ntev FRP khoom.
Lub ntsiab iav fiber ntau reinforCed yas siv nyob rau hauv tsheb tam sim no yog iav fiber reinforced polypropylene (PP), iav fiber reinforced polyamide 66 (PA66) los yog PA6, thiab rau qhov tsawg dua, PBT thiab PPO cov ntaub ntawv.
Cov khoom siv PP (polypropylene) muaj zog thiab tawv, thiab lawv cov khoom siv kho tshuab tuaj yeem txhim kho ntau zaus, txawm tias ntau zaus. Reinforced PP yog siv rau hauv thaj chaw such li cov rooj tog zaum hauv chaw ua haujlwm, piv txwv li hauv cov menyuam yaus lub rooj zaum siab thiab cov rooj zaum hauv chaw ua haujlwm; nws kuj tseem siv rau hauv axial thiab centrifugal kiv cua hauv cov khoom siv tub yees zoo li lub tub yees thiab cua txias.
Reinforced PA (polyamide) cov ntaub ntawv twb tau siv nyob rau hauv ob qho tib si neeg nrog caij thiab coj mus muag tsheb, feem ntau yog rau tsim me me qhov chaw. Piv txwv muaj xws li kev tiv thaiv npog rau lub xauv lub cev, kev tuav pov hwm wedges, embedded txiv ntseej, throttle pedals, gear shift guards, thiab qhib tes. Yog tias cov khoom xaiv los ntawm cov chaw tsim khoom yog tsis ruaj khovzoo, cov txheej txheem tsim khoom tsis tsim nyog, lossis cov khoom siv tsis zoo, nws tuaj yeem ua rau tawg ntawm qhov tsis muaj zog hauv cov khoom.
Nrog lub automotive kev lag luam qhov xav tau ntau ntxiv rau cov khoom siv hnyav thiab ib puag ncig tus phooj ywg, kev lag luam tsheb txawv teb chaws yog leaning ntau dua rau kev siv GMT (iav mats thermoplastics) cov ntaub ntawv kom tau raws li cov kev xav tau ntawm cov khoom siv. Qhov no feem ntau yog vim GMT qhov zoo tshaj plaws toughness, luv molding voj voog, siab ntau lawm efficiency, tsawg ua nqi, thiab tsis-polluting xwm, ua rau nws yog ib tug ntawm cov ntaub ntawv ntawm lub xyoo pua 21st. GMT feem ntau yog siv rau hauv kev tsim cov khoom siv ntau yam, cov khoom siv dashboard, cov rooj zaum thav duab, lub cav tiv thaiv, thiab cov khoom siv roj teeb hauv cov neeg caij tsheb. Piv txwv li, Audi A6 thiab A4 tam sim no tsim los ntawm FAW-Volkswagen siv GMT cov ntaub ntawv, tab sis tsis tau ua tiav hauv cheeb tsam ntau lawm.
Txhawm rau txhim kho tag nrho qhov zoo ntawm lub tsheb kom ncav cuag thoob ntiaj teb qib siab, thiab ua tiave txo qhov hnyav, txo kev vibration, thiab txo suab nrov, cov chav tsev hauv tsev tau tshawb fawb txog kev tsim khoom thiab cov khoom molding txheej txheem ntawm GMT cov ntaub ntawv. Lawv muaj lub peev xwm rau kev tsim khoom loj ntawm GMT cov ntaub ntawv, thiab cov kab ntau lawm nrog cov khoom tsim tawm txhua xyoo ntawm 3000 tons ntawm GMT cov khoom tau tsim hauv Jiangyin, Jiangsu. Cov tuam txhab tsheb hauv tsev kuj tseem siv GMT cov ntaub ntawv hauv kev tsim ntawm qee cov qauv thiab tau pib batch sim ntau lawm.
Sheet molding compound (SMC) yog ib qho tseem ceeb iav fiber reinforced thermosetting yas. Vim nws qhov kev ua tau zoo heev, muaj peev xwm ua tau ntau yam, thiab muaj peev xwm ua tiav qhov chaw A-qib, nws tau siv dav hauv tsheb. Tam sim no, kev siv ntawmSMC cov ntaub ntawv txawv teb chaws hauv kev lag luam tsheb tau ua tiav tshiab. Kev siv loj ntawm SMC hauv tsheb yog nyob rau hauv lub cev vaj huam sib luag, suav txog 70% ntawm kev siv SMC. Txoj kev loj hlob sai tshaj plaws yog nyob rau hauv cov khoom siv thiab cov khoom sib kis. Hauv tsib xyoos tom ntej no, kev siv SMC hauv tsheb yuav tsum nce 22% mus rau 71%, thaum nyob rau lwm qhov kev lag luam, kev loj hlob yuav yog 13% mus rau 35%.
Application Status thiab Kev Txhim Kho Kev Lag Luam
1.High-cov ntsiab lus iav fiber reinforced sheet molding compound (SMC) yog nce siv nyob rau hauv automotive structural Cheebtsam. Nws yog thawj zaug pom nyob rau hauv cov qauv ntawm ob lub Ford qauv (Explorer thiab Ranger) hauv xyoo 1995. Vim nws cov khoom siv ntau yam, nws tau pom dav dav kom muaj qhov zoo ntawm cov qauv tsim, ua rau nws siv dav hauv tsheb dashboards, steering systems, radiator systems, thiab electronic device systems.
Sab sauv thiab sab qis molded los ntawm American tuam txhab Budd siv cov khoom sib xyaw uas muaj 40% iav fiber ntau hauv cov polyester uas tsis muaj dej txaus. Qhov ob-thooj pem hauv ntej-kawg qauv no ua tau raws li cov neeg siv khoom xav tau, nrog rau pem hauv ntej kawg ntawm lub cab sab hauv qab txuas mus rau pem hauv ntej. Up bracket yog tsau nyob rau hauv pem hauv ntej canopy thiab pem hauv ntej lub cev qauv, thaum lub qis bracket ua hauj lwm nrog rau cov cua txias system. Ob lub brackets no muaj kev sib txuas thiab koom tes nrog lub tsheb canopy thiab lub cev qauv kom ruaj khov rau pem hauv ntej kawg.
2. Daim ntawv thov ntawm qis-ceev daim ntawv molding cov pa luam yeeb (SMC): Qwj-ceev SMC muaj cov hmoov nplej tshwj xeeby ntawm 1.3, thiab cov kev siv tswv yim thiab kev ntsuam xyuas tau pom tias nws yog 30% sib zog dua li tus qauv SMC, uas muaj qhov tshwj xeeb nqus ntawm 1.9. Siv qhov tsawg-density SMC tuaj yeem txo qhov hnyav ntawm qhov chaw los ntawm 45% piv rau cov khoom zoo sib xws ua los ntawm cov hlau. Tag nrho cov vaj huam sib luag sab hauv thiab lub ru tsev tshiab sab hauv ntawm Corvette '99 qauv los ntawm General Motors hauv Tebchaws Meskas yog ua los ntawm SMC tsawg. Tsis tas li ntawd, SMC tsawg-density kuj tseem siv rau hauv lub qhov rooj tsheb, cav hoods, thiab lub hau hau.
3. Lwm yam kev siv ntawm SMC hauv tsheb, dhau qhov kev siv tshiab tau hais ua ntej, suav nrog kev tsim cov variopeb lwm qhov chaw. Cov no suav nrog lub qhov rooj cab, lub ru tsev inflatable, bumper skeletons, cargo doors, sun visors, body panels, roof drainage pipes, car shed side strips, and truck boxes, of which the biggest use is in exterior body panels. Hais txog kev thov hauv tsev, nrog rau kev qhia txog cov neeg caij tsheb tsim khoom siv tshuab hauv Suav teb, SMC tau txais thawj zaug hauv cov neeg caij tsheb, feem ntau yog siv hauv cov log tsheb seem thiab cov pob txha pob txha. Tam sim no, nws kuj tseem siv rau hauv kev lag luam tsheb rau qhov chaw xws li strut chav npog daim hlau, nthuav tso tsheb hlau luam, kab ceev clamps, loj / me partitions, cua nkag shroud sib dhos, thiab lwm yam.
GFRP Composite KhoomAutomotive Nplooj Springs
Resin Transfer Molding (RTM) txoj kev yuav tsum nias lub pob rau hauv cov pwm kaw uas muaj cov iav fibers, ua raws li kev kho ntawm chav tsev kub lossis nrog cua sov. Muab piv rau Daim Ntawv Molding Compound (SMC) txoj kev, RTM muaj cov cuab yeej tsim khoom yooj yim, cov nqi pwm qis, thiab cov khoom zoo ntawm lub cev, tab sis nws tsuas yog tsim rau nruab nrab thiab me me. Tam sim no, cov khoom siv tsheb tsim los siv txoj kev RTM txawv teb chaws tau txuas ntxiv mus rau tag nrho lub cev npog. Nyob rau hauv sib piv, domestically nyob rau hauv Tuam Tshoj, lub RTM molding tshuab rau manufacturing automotive qhov chaw yog tseem nyob rau hauv txoj kev loj hlob thiab kev tshawb fawb theem, siv zog mus cuag cov qib ntau lawm ntawm zoo sib xws txawv teb chaws cov khoom nyob rau hauv cov nqe lus ntawm raw khoom txhua yam khoom, curing lub sij hawm, thiab tiav cov khoom specifications. Cov khoom siv tsheb tsim thiab tshawb fawb hauv tsev siv txoj kev RTM muaj xws li cov cua ntsawj ntshab, rear tailgates, diffusers, ru tsev, bumpers, thiab rear lifting qhov rooj rau Fukang tsheb.
Txawm li cas los xij, yuav ua li cas kom nrawm dua thiab ua tau zoo siv cov txheej txheem RTM rau tsheb, qhov kev xav taurements ntawm cov ntaub ntawv rau cov qauv khoom, theem ntawm cov khoom ua tau zoo, cov qauv kev ntsuam xyuas, thiab kev ua tau zoo ntawm A-qib nto yog cov teeb meem ntawm kev txhawj xeeb hauv kev lag luam tsheb. Cov no kuj yog qhov yuav tsum tau ua ua ntej rau kev siv dav dav ntawm RTM hauv kev tsim cov khoom siv tsheb.
Vim li cas FRP
Los ntawm kev xav ntawm cov tuam txhab tsheb, FRP (Fiber Reinforced Plastics) piv rau lwm yam.er cov ntaub ntawv, yog ib qho khoom siv zoo nkauj heev. Siv SMC / BMC (Sheet Molding Compound / Bulk Molding Compound) ua piv txwv:
* Qhov hnyav txuag
* Cov khoom sib xyaw ua ke
* Tsim yooj
* Kev nqis peev tsawg heev
* Yooj yim rau kev sib koom ua ke ntawm cov kav hlau txais xov
* Dimensional stability (tsawg coefficient ntawm linear thermal expansion, piv rau steel)
* Txhim kho kev siv tshuab ua haujlwm siab nyob rau hauv qhov kub thiab txias
Tau tshaj E-txheej (electronic painting)
Cov neeg tsav tsheb tau paub zoo tias huab cua tsis kam, tseem hu ua luag, yeej ib txwm yog qhov tseem ceebdversary rau tsheb thauj khoom. Qhov loj frontal cheeb tsam ntawm cov tsheb thauj khoom, siab chassis, thiab squarely zoo li tus trailer ua rau lawv tshwj xeeb rau huab cua tsis kam.
Los tiv thaivhuab cua tsis kam, uas inevitably nce lub cav load, qhov ceev ceev, ntau dua qhov tsis kam. Qhov nce load vim huab cua tsis kam ua rau kev siv roj ntau dua. Txhawm rau txo cov cua tiv thaiv los ntawm cov tsheb thauj khoom thiab yog li txo cov roj noj, cov kws ua haujlwm tau racked lawv lub hlwb. Ntxiv nrog rau kev siv aerodynamic tsim rau lub tsev, ntau yam khoom siv tau ntxiv los txo cov cua tsis kam ntawm tus ncej thiab sab nraub qaum ntawm trailer. Dab tsi yog cov cuab yeej tsim los txo cov cua tsis kam ntawm cov tsheb thauj khoom?
Ru tsev / Sab Deflectors
Lub ru tsev thiab sab deflectors feem ntau yog tsim los tiv thaiv cua los ntawm ncaj qha mus tsoo lub square-shaped cargo box, redirecting feem ntau ntawm cov huab cua kom smoothly ntws hla thiab ib ncig ntawm lub Upper thiab sab seem ntawm lub trailer, es tsis ncaj qha cuam tshuam rau pem hauv ntej. txoj kever, uas ua rau muaj kev tiv thaiv tseem ceeb. Lub kaum sab xis thiab qhov siab-hloov deflectors tuaj yeem txo qhov tsis kam los ntawm lub trailer.
Tsheb Side Skirts
Sab tiab ntawm lub tsheb ua haujlwm kom du tawm ntawm ob sab ntawm lub chassis, ua ke nws seamlessly nrog lub cev ntawm lub tsheb. Lawv npog cov ntsiab lus xws li sab-mounted roj tso tsheb hlau luam thiab cov roj tso tsheb hlau luam, txo lawv thaj chaw pem hauv ntej raug cua, yog li ua kom yooj yim rau cov cua ntws zoo dua yam tsis muaj kev kub ntxhov.
Low-positioned Bumper
Lub downward-extending bumper txo cov cua nkag mus rau hauv qab lub tsheb, uas yuav pab kom txo tau cov tsis kam ua los ntawm kev sib txhuam ntawm lub chassis thiab lubhuab cua. Tsis tas li ntawd, qee cov bumpers nrog cov lus qhia qhov tsis tsuas yog txo cov cua tsis kam, tab sis kuj ncaj qha airflow ntawm lub nruas nres lossis nres discs, pab kom txias ntawm lub tsheb lub braking system.
Cargo Box Sab Deflectors
Cov deflectors ntawm ob sab ntawm lub thawv ntim khoom npog ib feem ntawm lub log thiab txo qhov kev ncua deb ntawm cov khoom thauj khoom thiab hauv av. Qhov kev tsim no txo cov cua nkag los ntawm sab hauv qab lub tsheb. Vim lawv npog ib feem ntawm lub log, cov deflectors kuj txo cov turbulence tshwm sim los ntawm kev sib cuam tshuam ntawm cov log tsheb thiab cov huab cua.
Tsheb Deflector
Tsim los cuam tshuamt cov cua vortices nyob rau tom qab, nws streamlines lub airflow, li no txo aerodynamic luag.
Yog li, cov ntaub ntawv dab tsi yog siv los ua cov deflectors thiab npog ntawm cov tsheb thauj khoom? Los ntawm qhov kuv tau sau, hauv kev lag luam muaj kev sib tw heev, fiberglass (tseem hu ua iav-reinforced yas los yog GRP) nyiam rau nws lub teeb yuag, siab zog, corrosion resistance, thiab rkev tsim nyog ntawm lwm yam khoom.
Fiberglass yog cov khoom sib xyaw uas siv cov iav fibers thiab lawv cov khoom (xws li iav fiber ntau daim ntaub, lev, xov paj, thiab lwm yam) raws li kev txhawb zog, nrog cov khoom siv hluavtaws ua cov khoom siv matrix.
Fiberglass Deflectors / Npog
Tebchaws Europe pib siv fiberglass hauv tsheb thaum ntxov li xyoo 1955, nrog rau kev sim ntawm STM-II qauv lub cev. Xyoo 1970, Nyiv siv fiberglass los tsim cov npog npog rau lub tsheb log, thiab xyoo 1971 Suzuki tau tsim lub cav npog thiab fenders los ntawm fiberglass. Xyoo 1950, Tebchaws Askiv tau pib siv fiberglass, hloov cov qub steel-ntoo sib xyaw cabins, zoo li cov nyob rau hauv Ford S21 thiab peb-log tsheb, uas coj ib tug kiag li tshiab thiab tsis nruj style rau cov tsheb ntawm lub sij hawm ntawd.
Hauv Suav teb, qee qhov mcov tuam txhab tsim khoom tau ua haujlwm ntau hauv kev tsim cov tsheb fiberglass lub cev. Piv txwv li, FAW ntse tsim fiberglass cav npog thiab tiaj-nosed, flip-top cabins heev thaum ntxov. Tam sim no, kev siv cov khoom siv fiberglass hauv nruab nrab thiab hnyav tsheb thauj khoom hauv Suav teb yog qhov dav heev, suav nrog cov cav ntoo ntev.npog, bumpers, pem hauv ntej npog, cabin ru tsev npog, sab tiab, thiab deflectors. Ib lub tuam txhab muaj npe nrov hauv tsev ntawm deflectors, Dongguan Caiji Fiberglass Co., Ltd., piv txwv li qhov no. Txawm tias qee qhov luxurious loj pw tsaug zog cabins nyob rau hauv admired American ntev-lub qhov ntswg tsheb yog ua los ntawm fiberglass.
Lub teeb yuag, siab zog, corrosion-resistant, dav siv nyob rau hauv tsheb
Vim nws cov nqi qis, lub voj voog luv luv, thiab cov qauv tsim muaj zog, cov ntaub ntawv fiberglass tau siv dav hauv ntau yam ntawm cov tsheb tsim khoom. Piv txwv li, ob peb xyoos dhau los, cov tsheb thauj khoom hauv tsev muaj kev tsim qauv zoo nkauj thiab nruj, nrog rau tus kheej sab nrauv styling tsis tshua muaj. Nrog rau txoj kev loj hlob sai ntawm domestic kev loj, uash zoo heev txhawb nqa kev thauj mus los ntev, qhov nyuaj ntawm kev tsim tus kheej lub tsev zoo li los ntawm tag nrho cov hlau, cov pwm tsim cov nqi siab, thiab cov teeb meem zoo li xeb thiab xau hauv ntau lub vaj huam sib luag welded qauv coj ntau lub tuam txhab xaiv fiberglass rau lub ru tsev npog.
Tam sim no, ntau lub tsheb thauj khoom siv fiberglass cov ntaub ntawv rau pem hauv ntej npog thiab bumpers.
Fiberglass yog tus cwj pwm los ntawm nws lub teeb yuag thiab lub zog siab, nrog qhov ceev ntawm 1.5 thiab 2.0. Qhov no tsuas yog kwv yees li ib lub hlis twg rau ib feem tsib ntawm qhov ceev ntawm carbon steel thiab txawm tias qis dua li ntawm txhuas. Hauv kev sib piv rau 08F steel, 2.5mm tuab fiberglass muaj alub zog sib npaug rau 1 hli tuab steel. Tsis tas li ntawd, fiberglass tuaj yeem hloov kho raws li kev xav tau, muab kev ncaj ncees tag nrho thiab kev tsim khoom zoo heev. Nws tso cai rau kev xaiv hloov pauv ntawm cov txheej txheem molding raws li cov duab, lub hom phiaj, thiab qhov ntau ntawm cov khoom. Cov txheej txheem molding yog yooj yim, feem ntau yuav tsum tau tsuas yog ib kauj ruam xwb, thiab cov khoom muaj corrosion kuj zoo. Nws tuaj yeem tiv taus huab cua, dej, thiab cov ntsiab lus ntawm cov kua qaub, hauv paus, thiab ntsev. Yog li ntawd, ntau lub tsheb thauj khoom tam sim no siv cov ntaub ntawv fiberglass rau pem hauv ntej bumpers, pem hauv ntej npog, sab tiab, thiab deflectors.
Post lub sij hawm: Jan-02-2024
