Cov ntaub ntawv tsis yog hlau siv hauv tsheb suav nrog cov yas, roj hmab, cov khoom nplaum, cov ntaub sib txhuam, cov ntaub, iav, thiab lwm yam ntaub ntawv. Cov ntaub ntawv no suav nrog ntau yam kev lag luam xws li petrochemicals, kev lag luam teeb pom kev zoo, textiles, thiab cov ntaub ntawv tsim kho. Yog li ntawd, kev siv cov ntaub ntawv tsis yog hlau hauv tsheb yog qhov kev xav ntawm kev sib koom ua kemuaj zog ntawm kev lag luam thiab thev naus laus zis, thiab nws kuj suav nrog ntau yam kev txhim kho thev naus laus zis thiab kev siv peev xwm hauv cov lag luam cuam tshuam.
Tam sim no, cov khoom siv fiberglassCov ntaub ntawv sib xyaw ua ke uas siv rau hauv tsheb suav nrog cov iav fiber reinforced thermoplastics (QFRTP), iav fiber lev reinforced thermoplastics (GMT), daim ntawv molding compounds (SMC), resin hloov molding cov ntaub ntawv (RTM), thiab cov khoom FRP uas tau tso tes.
Lub ntsiab iav fiber reinforcingCov yas ced siv hauv tsheb tam sim no yog cov iav fiber reinforced polypropylene (PP), iav fiber reinforced polyamide 66 (PA66) lossis PA6, thiab tsawg dua, PBT thiab PPO cov ntaub ntawv.
Cov khoom siv PP (polypropylene) muaj zog muaj zog thiab tawv, thiab lawv cov khoom siv kho tshuab tuaj yeem txhim kho ntau zaus, txawm tias ntau zaus. PP siv zog siv rau hauv thaj chaw sxws li cov rooj tog hauv chaw ua haujlwm, piv txwv li cov rooj zaum siab thiab cov rooj zaum hauv chaw ua haujlwm rau menyuam yaus; nws kuj siv rau hauv cov kiv cua axial thiab centrifugal hauv cov khoom siv tub yees xws li lub tub yees thiab lub tshuab cua txias.
Cov ntaub ntawv PA (polyamide) uas muaj zog twb tau siv rau hauv ob lub tsheb thauj neeg thiab tsheb thauj khoom lag luam, feem ntau yog rau kev tsim cov khoom me me uas ua haujlwm tau zoo. Piv txwv li suav nrog cov npog tiv thaiv rau lub cev xauv, cov wedges pov hwm, cov txiv ntoo uas muab tso rau hauv, cov pedals throttle, cov iav hloov pauv, thiab cov tes qhib. Yog tias cov ntaub ntawv uas tus neeg tsim khoom xaiv yog tsis ruaj khovqhov zoo, cov txheej txheem tsim khoom tsis tsim nyog, lossis cov khoom tsis tau ziab kom zoo, nws tuaj yeem ua rau tawg ntawm cov khoom tsis muaj zog.
Nrog lub automotiveVim tias kev lag luam tsheb muaj kev thov ntau ntxiv rau cov khoom siv uas tsis hnyav thiab tsis ua rau ib puag ncig puas tsuaj, cov lag luam tsheb txawv teb chaws tab tom siv cov khoom siv GMT (iav lev thermoplastics) los ua kom tau raws li qhov xav tau ntawm cov khoom siv hauv tsev. Qhov no feem ntau yog vim GMT muaj zog heev, lub voj voog molding luv luv, kev ua haujlwm siab, cov nqi ua haujlwm tsawg, thiab tsis ua rau muaj kuab paug, ua rau nws yog ib qho ntawm cov khoom siv ntawm lub xyoo pua 21st. GMT feem ntau yog siv rau hauv kev tsim cov brackets ntau yam, dashboard brackets, lub rooj zaum, lub cav tiv thaiv, thiab cov brackets roj teeb hauv cov tsheb thauj neeg. Piv txwv li, Audi A6 thiab A4 uas tam sim no tsim los ntawm FAW-Volkswagen siv cov khoom siv GMT, tab sis tsis tau ua tiav kev tsim khoom hauv zos.
Txhawm rau txhim kho qhov zoo ntawm lub tsheb kom sib tw nrog cov qib siab thoob ntiaj teb, thiab ua tiavKev txo qhov hnyav, txo kev co, thiab txo suab nrov, cov chaw ua haujlwm hauv tsev tau ua kev tshawb fawb txog kev tsim khoom thiab cov txheej txheem pwm khoom ntawm GMT cov ntaub ntawv. Lawv muaj peev xwm tsim cov ntaub ntawv GMT ntau, thiab cov kab ntau lawm nrog cov khoom tsim tawm txhua xyoo ntawm 3000 tons ntawm cov ntaub ntawv GMT tau tsim hauv Jiangyin, Jiangsu. Cov chaw tsim khoom tsheb hauv tsev kuj siv cov ntaub ntawv GMT hauv kev tsim qee cov qauv thiab tau pib sim ntau lawm.
Cov ntawv molding compound (SMC) yog ib qho tseem ceeb ntawm cov iav fiber reinforced thermosetting yas. Vim nws qhov kev ua tau zoo heev, muaj peev xwm tsim khoom loj, thiab muaj peev xwm ua tiav A-qib nto, nws tau siv dav hauv tsheb. Tam sim no, daim ntawv thov ntawmCov ntaub ntawv SMC txawv teb chaws hauv kev lag luam tsheb tau ua tiav kev vam meej tshiab. Kev siv SMC tseem ceeb hauv tsheb yog nyob rau hauv cov vaj huam sib luag ntawm lub cev, suav txog 70% ntawm kev siv SMC. 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 nce ntxiv los ntawm 22% txog 71%, thaum nyob rau hauv lwm yam lag luam, kev loj hlob yuav yog 13% txog 35%.
Cov xwm txheej ntawm daim ntawv thovs thiab Kev Txhim Kho Cov Qauv
1. Cov iav fiber ntau reinforced sheet molding compound (SMC) uas muaj cov ntsiab lus siab tau siv ntau dua hauv cov khoom siv hauv tsheb. Nws tau pom thawj zaug hauv cov khoom siv hauv ob lub qauv Ford (Explorer thiab Ranger) xyoo 1995. Vim nws muaj ntau yam ua haujlwm, nws tau suav tias muaj txiaj ntsig zoo hauv kev tsim qauv, ua rau nws siv dav hauv cov dashboards, steering systems, radiator systems, thiab electronic device systems.
Cov brackets sab saud thiab sab qis uas lub tuam txhab Asmeskas Budd ua pwm siv cov khoom sib xyaw uas muaj 40% iav fiber hauv unsaturated polyester. Cov qauv pem hauv ntej ob daim no ua tau raws li cov neeg siv xav tau, nrog rau sab pem hauv ntej ntawm lub cabin qis txuas mus rau pem hauv ntej. Lub br sab saudLub hnab tshos raug kho rau ntawm lub ru tsev pem hauv ntej thiab lub cev pem hauv ntej, thaum lub bracket qis ua haujlwm ua ke nrog lub tshuab cua txias. Ob lub brackets no sib txuas thiab koom tes nrog lub ru tsev tsheb thiab lub cev kom ruaj khov rau pem hauv ntej.
2. Daim ntawv thov cov ntaub ntawv Sheet Molding Compound (SMC) uas tsis tshua muaj zog: SMC uas tsis tshua muaj zog muaj qhov hnyav tshwj xeeby ntawm 1.3, thiab cov ntawv thov thiab kev sim ua tau pom tias nws yog 30% sib dua li tus qauv SMC, uas muaj qhov hnyav tshwj xeeb ntawm 1.9. Siv cov SMC qis no tuaj yeem txo qhov hnyav ntawm cov khoom los ntawm kwv yees li 45% piv rau cov khoom zoo sib xws ua los ntawm hlau. Txhua lub vaj huam sib luag sab hauv thiab sab hauv lub ru tsev tshiab ntawm Corvette '99 qauv los ntawm General Motors hauv Tebchaws Meskas yog ua los ntawm SMC qis. Tsis tas li ntawd, SMC qis kuj tseem siv rau hauv lub qhov rooj tsheb, lub cav hoods, thiab lub hau pob tw.
3. Lwm cov ntawv thov ntawm SMC hauv tsheb, dhau ntawm cov kev siv tshiab uas tau hais ua ntej, suav nrog kev tsim cov variolwm yam khoom siv hauv peb lub tsheb. Cov no suav nrog qhov rooj cab, lub ru tsev inflatable, lub bumper skeletons, qhov rooj thauj khoom, lub hnub visors, lub cev vaj huam sib luag, cov kav dej ntws ntawm lub ru tsev, cov ntaub thaiv sab ntawm lub tsev tsheb, thiab cov thawv tsheb thauj khoom, uas feem ntau siv rau sab nraud lub cev vaj huam sib luag. Hais txog qhov xwm txheej ntawm daim ntawv thov hauv tsev, nrog rau kev qhia txog thev naus laus zis tsim tsheb thauj neeg hauv Suav teb, SMC tau raug siv thawj zaug hauv cov tsheb thauj neeg, feem ntau yog siv rau hauv cov chaw khaws log tsheb thiab cov pob txha bumper. Tam sim no, nws kuj tau siv rau hauv cov tsheb lag luam rau cov khoom xws li cov phaj npog chav strut, cov thoob dej nthuav dav, cov clamps ceev kab, cov khoom faib loj / me, cov khoom sib dhos cua nkag, thiab ntau ntxiv.
Cov Khoom Siv Sib Xyaws GFRPTsheb Nplooj Caij Nplooj Ntoos Hlav
Txoj kev hloov pauv Resin (RTM) cuam tshuam nrog kev nias cov resin rau hauv lub pwm kaw uas muaj cov iav fibers, ua raws li kev kho ntawm chav tsev kub lossis nrog cua sov. Piv rau Sheet MoldiSiv txoj kev Compound (SMC), RTM muaj cov khoom siv yooj yim dua, cov nqi pwm qis dua, thiab cov khoom zoo heev, tab sis nws tsuas yog tsim rau kev tsim khoom nruab nrab thiab me me xwb. Tam sim no, cov khoom siv tsheb tsim los ntawm kev siv txoj kev RTM txawv teb chaws tau nthuav dav mus rau kev npog tag nrho lub cev. Qhov sib txawv, hauv tebchaws Suav teb, RTM molding thev naus laus zis rau kev tsim cov khoom siv tsheb tseem nyob hauv theem kev txhim kho thiab kev tshawb fawb, siv zog kom ncav cuag cov theem tsim khoom ntawm cov khoom txawv teb chaws zoo sib xws hauv cov khoom siv raw, lub sijhawm kho, thiab cov khoom tiav. Cov khoom siv tsheb tsim thiab tshawb fawb hauv tebchaws siv txoj kev RTM suav nrog lub qhov rais tsheb, lub qhov rooj tom qab, lub diffusers, lub ru tsev, lub bumpers, thiab lub qhov rooj nqa tom qab rau Fukang tsheb.
Txawm li cas los xij, yuav ua li cas siv cov txheej txheem RTM rau cov tsheb kom sai dua thiab zoo dua, qhov yuav tsum tau uaCov ntaub ntawv siv rau cov qauv khoom, qib kev ua tau zoo ntawm cov khoom siv, cov qauv ntsuas, thiab kev ua tiav ntawm cov nto A-qib yog cov teeb meem uas txhawj xeeb hauv kev lag luam tsheb. Cov no kuj yog cov yam ntxwv ua ntej rau kev siv RTM dav dav hauv kev tsim cov khoom siv tsheb.
Vim li cas FRP
Los ntawm qhov kev xav ntawm cov tuam txhab tsim tsheb, FRP (Fiber Reinforced Plastics) piv rau lwm yamcov ntaub ntawv er, yog lwm yam khoom siv zoo heev. Siv SMC/BMC (Sheet Molding Compound/Bulk Molding Compound) ua piv txwv:
* Kev txuag qhov hnyav
* Kev koom ua ke ntawm cov khoom
* Kev tsim qauv yooj yim
* Kev nqis peev qis dua
* Pab txhawb kev koom ua ke ntawm cov kab ke antenna
* Kev ruaj khov ntawm qhov ntev (cov coefficient qis ntawm kev nthuav dav thermal linear, sib piv rau hlau)
* Tswj kev ua haujlwm siab hauv qab qhov kub thiab txias
Tau tshaj E-txheej (kev pleev xim hluav taws xob)
Cov neeg tsav tsheb thauj khoom paub zoo tias qhov kev tiv thaiv huab cua, tseem hu ua kev rub, yeej ib txwm yog qhov tseem ceebkev sib tw rau cov tsheb thauj khoom. Thaj chaw loj ntawm pem hauv ntej ntawm cov tsheb thauj khoom, lub chassis siab, thiab cov trailers zoo li plaub fab ua rau lawv yooj yim raug cua tsis kam.
Yuav tawm tsamkev tiv thaiv cua, uas ua rau lub cav lub nra hnyav nce ntxiv, qhov ceev dua, qhov kev tiv thaiv ntau dua. Qhov kev thauj khoom ntxiv vim yog kev tiv thaiv cua ua rau siv roj ntau dua. Txhawm rau txo qhov kev tiv thaiv cua uas cov tsheb thauj khoom ntsib thiab yog li ntawd txo qhov kev siv roj, cov kws ua haujlwm tau siv lawv lub hlwb. Ntxiv nrog rau kev siv cov qauv tsim aerodynamic rau lub cabin, ntau yam khoom siv tau ntxiv los txo qhov kev tiv thaiv cua ntawm lub thav duab thiab tom qab ntawm lub trailer. Cov khoom siv no yog dab tsi tsim los txo qhov kev tiv thaiv cua ntawm cov tsheb thauj khoom?
Cov Khoom Tiv Thaiv Ru Tsev/Sab
Lub ru tsev thiab cov khoom thaiv sab yog tsim los tiv thaiv cua kom tsis txhob ntaus ncaj qha rau lub thawv thauj khoom uas zoo li lub plaub fab, hloov feem ntau ntawm cov cua kom ntws mus rau saum thiab ib puag ncig ntawm lub tsheb laij teb, es tsis txhob cuam tshuam ncaj qha rau pem hauv ntej ntawm txoj kev.er, uas ua rau muaj kev tiv thaiv loj heev. Cov deflectors uas tau teeb tsa lub kaum sab xis thiab kho qhov siab kom raug tuaj yeem txo qhov kev tiv thaiv uas lub trailer ua rau.
Tsheb Sab Tiab
Cov ntaub thaiv sab ntawm lub tsheb ua rau ob sab ntawm lub chassis du thiab sib xyaw ua ke nrog lub cev ntawm lub tsheb. Lawv npog cov khoom xws li cov thoob roj thiab cov thoob roj uas ntsia rau sab, txo lawv thaj chaw pem hauv ntej uas raug cua, yog li ua rau huab cua ntws zoo dua yam tsis muaj cua hlob.
Bumpe qis-qhov chawr
Lub bumper uas txuas mus rau hauv qab txo cov cua nkag mus rau hauv qab lub tsheb, uas pab txo qhov kev tiv thaiv los ntawm kev sib txhuam ntawm lub chassis thiabcua. Tsis tas li ntawd xwb, qee lub bumper uas muaj qhov qhia tsis yog tsuas yog txo qhov cua tsis kam xwb tab sis kuj tseem coj cov cua mus rau lub nruas nres lossis lub disc nres, pab ua kom lub tsheb txias.
Cov Khoom Siv Sab Nraud ntawm Lub Thawv Thauj Khoom
Cov khoom thaiv ntawm ob sab ntawm lub thawv thauj khoom npog ib feem ntawm lub log thiab txo qhov deb ntawm lub thawv thauj khoom thiab hauv av. Tus qauv tsim no txo cov cua nkag los ntawm ob sab hauv qab lub tsheb. Vim tias lawv npog ib feem ntawm lub log, cov no thaivcov yam ntxwv kuj txo qhov kev co uas tshwm sim los ntawm kev sib cuam tshuam ntawm cov log tsheb thiab huab cua.
Lub Tsheb Deflector
Tsim los ua kom puas tsuajnyob rau hauv cov cua vortices nyob rau tom qab, nws streamlines lub airflow, yog li ntawd txo aerodynamic rub.
Yog li, cov ntaub ntawv twg siv los ua cov deflectors thiab cov npog ntawm cov tsheb thauj khoom? Los ntawm qhov kuv tau sau, hauv kev ua lag luam sib tw heev, fiberglass (tseem hu ua iav-reinforced plastic lossis GRP) yog nyiam rau nws lub teeb yuag, lub zog siab, tiv taus corrosion, thiab rkev lav phib xaub ntawm lwm cov khoom.
Fiberglass yog cov khoom sib xyaw ua ke uas siv cov iav fibers thiab lawv cov khoom (xws li cov ntaub iav fiber, lev, xov paj, thiab lwm yam) ua cov khoom txhawb nqa, nrog cov khoom siv hluavtaws ua cov khoom siv matrix.
Cov Khoom Siv Fiberglass Deflectors / Cov Npog
Tebchaws Europe tau pib siv fiberglass hauv tsheb thaum ntxov li xyoo 1955, nrog rau kev sim ntawm STM-II qauv lub cev. Xyoo 1970, Nyiv Pooj tau siv fiberglass los tsim cov npog kho kom zoo nkauj rau lub log tsheb, thiab xyoo 1971 Suzuki tau ua cov npog cav thiab cov fenders los ntawm fiberglass. Xyoo 1950, UK tau pib siv fiberglass, hloov cov cabins hlau-ntoo ua ntej, zoo li cov nyob rau hauv Raud S21 thiab peb lub log tsheb, uas coj tus qauv tshiab thiab tsis nruj heev rau cov tsheb ntawm lub sijhawm ntawd.
Hauv Suav teb, qee qhov chawCov tuam txhab tsim khoom tau ua haujlwm ntau heev hauv kev tsim cov tsheb fiberglass. Piv txwv li, FAW tau tsim cov npog cav fiberglass thiab cov cabins tiaj tus, tig-rau thaum ntxov. Tam sim no, kev siv cov khoom fiberglass hauv cov tsheb thauj khoom nruab nrab thiab hnyav hauv Suav teb tau dav heev, suav nrog cov cav ntev.cov npog, lub bumpers, cov npog pem hauv ntej, cov npog ru tsev cabin, cov tiab sab, thiab cov deflectors. Ib lub tuam txhab tsim khoom hauv tsev uas paub zoo txog deflectors, Dongguan Caiji Fiberglass Co., Ltd., ua piv txwv rau qhov no. Txawm tias qee lub tsev pw loj hauv cov tsheb thauj khoom ntev American uas zoo nkauj kuj ua los ntawm fiberglass.
Lub teeb yuag, muaj zog heev, corrosion kuj-resistant, dav siv hauv tsheb
Vim nws tus nqi qis, lub voj voog tsim khoom luv luv, thiab kev tsim qauv muaj zog, cov ntaub ntawv fiberglass tau siv dav hauv ntau yam ntawm kev tsim tsheb thauj khoom. Piv txwv li, ob peb xyoos dhau los, cov tsheb thauj khoom hauv tsev muaj kev tsim qauv tsis zoo thiab nruj, nrog rau kev kho kom zoo nkauj sab nraud tsis tshua muaj. Nrog rau kev txhim kho sai ntawm cov kev loj hauv tsev, uash tau txhawb nqa kev thauj mus los ntev, qhov nyuaj hauv kev tsim cov qauv cabin los ntawm cov hlau tag nrho, cov nqi tsim pwm siab, thiab cov teeb meem xws li xeb thiab xau hauv cov qauv ntau vaj huam sib luag ua rau ntau lub tuam txhab tsim khoom xaiv fiberglass rau cov npog ru tsev cabin.
Tam sim no, ntau lub tsheb thauj khoom siv ficov ntaub ntawv berglass rau cov npog pem hauv ntej thiab bumpers.
Fiberglass yog tus cwj pwm los ntawm nws lub teeb yuag thiab lub zog siab, nrog rau qhov ceev ntawm 1.5 thiab 2.0. Qhov no tsuas yog kwv yees li ib feem plaub rau ib feem tsib ntawm qhov ceev ntawm cov hlau carbon thiab txawm tias qis dua li ntawm txhuas. Piv rau 08F hlau, 2.5 hli tuab fiberglass muaj alub zog sib npaug rau 1 hli tuab hlau. Tsis tas li ntawd, fiberglass tuaj yeem tsim tau yooj yim raws li qhov xav tau, muab kev ncaj ncees zoo dua thiab kev tsim khoom zoo heev. Nws tso cai rau kev xaiv 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 xav tau tsuas yog ib kauj ruam xwb, thiab cov khoom siv muaj kev tiv thaiv corrosion zoo. Nws tuaj yeem tiv taus cov huab cua, dej, thiab cov concentration ntawm cov kua qaub, cov hauv paus, thiab ntsev. Yog li ntawd, ntau lub tsheb thauj khoom tam sim no siv cov ntaub ntawv fiberglass rau lub bumpers pem hauv ntej, lub hau pem hauv ntej, cov tiab sab, thiab cov deflectors.
Lub sijhawm tshaj tawm: Lub Ib Hlis-02-2024
