GMT-iav fiber ntau mats siv cov khoom siv thermoplastic composite

Taw qhia txog cov khoom siv

Iav Mat Reinforced Thermoplastic (GMT) yog cov khoom siv sib xyaw nrog cov khoom siv thermoplastic li cov matrix thiab iav fiber lev raws li cov pob txha pob txha. Tam sim no nws yog ib qho khoom siv sib xyaw ua ke tsim ntau yam hauv ntiaj teb thiab suav tias yog yav tom ntej ntawm lub xyoo pua. Ib qho ntawm cov khoom siv tshiab. Tam sim no nyiam ntau yam hauv kev lag luam tsheb, GMT tuaj yeem siv dav hauv ntau qhov chaw ntawm lub cev tsheb, xws li cov khoom siv pem hauv ntej, lub rooj zaum plhaub, lub cav suab nrov cais cov npog, cov bumpers, ntsuas vaj huam sib luag thiab lwm yam khoom. Nws muaj cov yam ntxwv ntawm novelty, lub zog txuag, tsis tshua muaj ceev, tsis tshua muaj nqi, siab hardness, siab zog, zoo toughness, tej yam kuj, corrosion kuj, waterproof, yooj yim rau txheej txheem thiab daim ntawv, ceev sib sau ceev, lub neej ntev, recyclable thiab hnav. Kuv ntseeg hais tias nyob rau hauv lub neej yav tom ntej, nws yuav coj ib tug tshiab kiv puag ncig rau tag nrho cov tsheb kev lag luam.

GMT tsim lig tab sis sai. GMT feem ntau tuaj yeem tsim cov ntawv ua tiav cov khoom tiav, uas tuaj yeem ua tiav ncaj qha rau hauv cov khoom ntawm cov duab xav tau. Cov txheej txheem molding feem ntau siv cov khoom kub txias molding txheej txheem. Cov molding fiber ntau tuaj yeem txiav cov iav fiber ntau lossis cov iav fiber ntau txuas ntxiv, thiab cov thermoplastic resin tuaj yeem yog cov yas yas, engineering yas lossis cov yas ua haujlwm siab. GMT muaj cov khoom siv zoo, lub voj voog molding luv luv, thiab cov nqi tsim khoom tsawg. Nws tuaj yeem pwm qhov loj dua nrog cov duab nyuaj thiab muaj qhov ruaj khov zoo. Yog tias koj xaiv GMT ua ntej txiav raws li qhov xav tau, nws tuaj yeem ncav cuag 50-300N. /mm² ntau yam, molded GMT qhov chaw yog ze li ntawm isotropic, muaj zog zoo tiv thaiv txhua yam kev cuam tshuam, thiab cov khoom kawg tsis muaj welds thiab rov ua dua. Nws kuj muaj cov qauv tsim qauv, kev cuam tshuam zoo heev, thiab yooj yim rau kev sib sau thiab rov ua dua. Nws yuav tsum tau hloov cov hlau, plywood, ntoo boards thiab lwm yam khoom nyob rau hauv lub neej yav tom ntej.

Qhov zoo ntawm GMT cov ntaub ntawv

1. Lub voj voog luv molding: Muaj ntau yam khoom pwm tuaj yeem tsim. Piv nrog rau cov ntawv thermosetting molded yas SMC cov khoom, lub voj voog ntau lawm yog luv dua thiab cov kev ua haujlwm ntau dua. Nws tuaj yeem tsim nyob rau hauv high-speed automation thiab yog tshwj xeeb tshaj yog haum rau zus tau tej cov khoom loj-ntim khoom.

2. Lub zog siab: Lub zog ntawm GMT zoo ib yam li cov khoom siv tes ua polyester FRP. Nws qhov ceev yog 1.01-1.19g / cm, uas yog me dua thermosetting FRP (1.8-2.0g / cm). Yog li ntawd, nws muaj zog dua.

3. High rigidity: GMT muaj GF ntaub, uas tseem tuaj yeem tswj nws cov duab txawm tias muaj kev cuam tshuam ntawm 10mph.

4. Kev ua tau zoo ntawm kev ua haujlwm zoo: GMT lub peev xwm nqus kev poob siab yog 2.5-3 zaug siab dua li ntawm SMC. Raws li kev cuam tshuam ntawm kev cuam tshuam, SMC, steel thiab txhuas txhua qhov tshwm sim dents lossis tawg, thaum GMT muaj kev nyab xeeb thiab suab.

5. Yooj yim rau kev sib xyaw tsim: Ntau qhov chaw tuaj yeem tsim los ua ib qho tag nrho thiab dhau los ua ib feem nrog ntau lub zog, yog li kev txhim kho ntau lawm thiab kev sib dhos ua haujlwm ntawm qhov chaw.

6. Lub teeb yuag thiab txuag hluav taws xob: Qhov hnyav ntawm lub qhov rooj tsheb ua los ntawm GMT cov ntaub ntawv tuaj yeem raug txo los ntawm 26Kg mus rau 15Kg, thiab lub thickness ntawm lub nraub qaum tuaj yeem txo kom nce qhov chaw tsheb. Kev siv hluav taws xob tsuas yog 60% -80% ntawm cov khoom siv hlau, thiab cov khoom siv txhuas. 35% -50%.

7. tuaj yeem rov ua dua: GMT pov tseg thiab cov khoom qub GMT tuaj yeem rov ua dua rau hauv GMT nplooj ntawv tom qab kev ua haujlwm yooj yim, uas tsis tsuas yog txhim kho kev siv cov khoom siv, tab sis kuj txo cov khoom pov tseg thiab tsis txhob muaj kuab paug ib puag ncig. Yog li ntawd, cov khoom no hu ua "cov khoom ntsuab". Qhov no yog qhov zoo tshaj plaws ntawm GMT cov ntaub ntawv, uas yuav pab tau GMT cov ntaub ntawv nyob rau hauv ib tug dav cov khoom lag luam nyob rau hauv lub neej yav tom ntej nrog nce stringent kev tiv thaiv ib puag ncig. Feem ntau hais lus, GMT tuaj yeem siv tau ntau zaus.

8. Lub teeb yuag thiab zoo txhua yam khoom: Qhov ntom ntawm GMT cov khoom tuaj yeem tswj tau ntawm ib puag ncig 1.1, lub zog tensile tuaj yeem ncav cuag 80MPa, lub zog dabtsi yog khoov tuaj yeem ncav cuag 130MPa, thiab qhov cuam tshuam zoo yog qhov zoo (qhov cuam tshuam lub zog ntawm txoj hlua cantilever beam. tuaj yeem ncav cuag 650J / m).

9. Kev puas tsuaj ib nrab ntawm cov khoom yog ib qho yooj yim los kho: Tom qab cov khoom siv GMT yog ib feem puas, cov khoom puas thiab cov resin ntawm cov khoom kho yog melted los ntawm cua sov, thiab kev kho yuav ua tau los ntawm txias tom qab cua sov.

10. Lub sijhawm khaws cia ntev, thiab lwm yam.

Ntxiv nrog rau qhov kev ua tau zoo no, ua ib qho kev sib koom ua ke, ib qho molding ntawm GMT cov khoom siv txiav txim siab nws cov nqi qis thiab tseem muaj txiaj ntsig zoo rau kev cog qoob loo ntawm pab pawg neeg xa khoom nrog tshwj xeeb, kev tsim khoom loj thiab cov khoom siv muaj peev xwm. , kuj tseem yuav txhim kho kev tswj hwm kev ua tau zoo ntawm OEMs rau cov neeg muag khoom.

Kev siv GMT cov ntaub ntawv hauv tsheb

GMT cov ntawv muaj lub zog tshwj xeeb, tuaj yeem tsim cov khoom hnyav, muaj kev ywj pheej tsim siab, muaj zog sib tsoo lub zog nqus, ua haujlwm zoo, thiab lub sijhawm luv luv. Lawv tau siv dav hauv kev lag luam tsheb txawv teb chaws txij li xyoo 1990. Raws li cov kev xav tau rau kev lag luam roj, kev rov ua dua tshiab thiab kev yooj yim ntawm kev ua haujlwm txuas ntxiv mus ntxiv, kev ua lag luam rau GMT cov ntaub ntawv siv hauv kev lag luam tsheb yuav loj hlob tsis tu ncua.

Tam sim no, GMT cov ntaub ntawv tau siv dav hauv kev lag luam tsheb, feem ntau suav nrog lub rooj zaum plhaub, bumpers, ntsuas vaj huam sib luag, hoods, roj teeb brackets, ko taw pedals, fenders, thiab lwm yam.

1. Siv nyob rau hauv cov neeg nrog caij tsheb tsim: ceilings, txoj kev qhia boards, engine hoods, roj teeb thawv, qhov rais thav duab, lub qhov rooj tsav tsheb, cov neeg nrog caij qhov rooj, radiator npog, fenders, instrument panels, guardrails, headlight tuav, thiab tiv thaiv panels.

2. Siv nyob rau hauv lub tsheb ntau lawm: cab, qhov rooj, hood, tsis (bumper).

3. Siv nyob rau hauv kev tsim cov plaub-log lub teeb tsheb: lub qhov rooj, hoods, pem hauv ntej npog, radiator hniav, qhov rooj tuav, headlight tuav, qag npog, instrument panels.

4. Siv rau hauv maus taus ntau lawm: maus taus engine sab panels, fenders, maus taus lub nra racks, cua txias kiv cua, thiab nres levers.

5. Siv nyob rau hauv lub tsheb ciav hlau ntau lawm: qhov rais thav duab, qhov muag tsis pom, qag lub thawv npog, roj teeb lub thawv, chav dej hauv pem teb, lub ru tsev, chav dej dab dej, tis thawv, qab nthab vents, kiv cua hniav, qhov rais sills, dej cia tank.

Kev thov hauv lwm qhov kev lag luam

Hauv kev tsim kho kev lag luam, GMT tuaj yeem hloov cov hlau hauv kev tsim cov formwork. Hom GMT no muaj qhov zoo ntawm lub teeb yuag, zoo peelability, kev sib koom ua ke, thiab du nto ntawm qhov chaw. Hauv kev lag luam tsheb thauj mus los, siv cov ntawv GMT los ua kab hauv qab ntawm lub thawv tuaj yeem txo tus nqi tu; nyob rau hauv ntim Hauv kev lag luam, nws tuaj yeem siv rau kev khaws tshuaj lom neeg, hloov lub thawv thiab ntim khoom ntim; muaj zog ua npuas ncauj kuj tseem siv tau los ua cov qhaub cij los hloov cov ntoo tawv thiab hlau los ua cov thawv. Lwm daim ntawv thov suav nrog cov khoom siv hluav taws xob sib xyaw ua ke, cov thawv xa khoom, cov twj tso kua mis, cov roj av chassis hauv qab daim hlau thiab cov kabmob kawg npog, thiab lwm yam.

Rov ua dua

Ib qho tseem ceeb ntawm GMT cov ntaub ntawv yog tias lawv tuaj yeem rov ua dua. Lawv tau raug sim nyob rau hauv tsheb ntawm ib tug loj ntau lawm scale thiab tau ua tiav cov txiaj ntsig zoo. Cov txheej txheem yog kwv yees li hauv qab no: ua kom sov cov khoom siv GMT rov qab thiab tom qab ntawd pwm lawv mus rau hauv qhov zoo sib xws lossis lwm hom ntawm qhov zoo ib yam. Lawv tuaj yeem raug molded ob zaug yam tsis muaj qhov ua tau zoo. Txawm li cas los xij, yog tias lawv rov qab siv ntau dua 4 zaug, kev ua haujlwm yuav txo qis. Yuav muaj qhov poob loj.

Cov GMT rov ua dua yog crushed thiab ua rau GMT hmoov los yog granules. Cov pellets zoo ib yam li cov qauv txhaj tshuaj molding tebchaw thiab tuaj yeem siv los ua khoom noj rau cov tshuab txhaj tshuaj molding lossis extruders. Nyob rau hauv GMT manufacturing txheej txheem, GMT hmoov los yog granules yog siv los hloov ib feem ntawm PP thiab iav fiber lev los ua GMT. Thaum tus nqi ntawm cov khoom siv GMT rov qab yog tsawg dua 10% (feem ntau), nws yuav tsis cuam tshuam rau kev ua haujlwm thiab kev ua haujlwm zoo li qub thiab dynamic ntawm GMT. Thaum GMT rov qab siv dua yog qis dua 30% (feem ntau), nws cov khoom matrix yuav tsis cuam tshuam.