Lub hli tas los ib lub tuam txhab teeb pom kev zoo tau xa peb daim duab rau LED diffuser profile- cov khoom siv PC,46mm hla-section, opal tiav rau cov teeb pom kev zoo sib xws. Txheem txoj haujlwm. Tom qab ntawd tuaj cov lus nug uas ua rau kuv ncua: "Peb tau hais rau cov khoom siv thermoset yuav ua rau peb muaj kev ruaj ntseg zoo dua. Peb puas yuav hloov tau?"
"Peb tau hais rau cov khoom siv thermoset tuaj yeem ua rau peb muaj kev ruaj ntseg zoo dua. Peb puas yuav hloov pauv?"
Cov lus teb luv luv yog tsis yog, thiab ntawm no yog qhov tseem ceeb yog tias koj tab tom nrhiav cov khoom siv extruded: cov khoom siv thermoset tsis tuaj yeem ua tiav los ntawm extrusion txhua. Cov tshuaj tiv thaiv crosslinking uas muab cov thermosets lawv qhov kev ruaj ntseg zoo tshwm sim thaum kho-ib qho tshuaj hloov pauv tsis tau uas ua rau cov khoom tsis tuaj yeem yaj thiab thawb los ntawm qhov extrusion tuag. Txhawm rau txuas ntxiv - ntev profile, raj, thiab cov channel, thermoplastics tsis yog qhov kev xaiv zoo dua; lawv yog tus xaiv xwb.
Qhov kev sib txawv no zoo li kev kawm txog thaum koj nyob hauv ob lub hlis rau hauv qhov project ncua sij hawm thiab nrhiav pom koj cov khoom siv tshwj xeeb tsis phim koj cov txheej txheem tsim khoom. Kuv tau pom nws tshwm sim nrog automotive trim cov kev pab cuam qhov twg ib tug neeg teev BMC (bulk molding compound) rau ib feem uas yuav tsum tau extruded. Tus nqi kho peb lub lis piam thiab rov tsim dua tshiab.
Qhov twg Manufacturing Constraint tsim muaj tiag
Kev nkag siab vim li cas cov thermosets tsis tuaj yeem raug extruded qhia meej tias cov ntawv thov twg tau txais txiaj ntsig zoo los ntawm txhua tsev neeg cov khoom. Thermoset polymers-epoxys, phenolics, unsaturated polyesters- tsim peb qhov chaw nyob ruaj khov-siv molecular network thaum kho. Lub network ntawd ua rau lawv zoo heev thaum tshav kub kub tsis kam thiab tshuaj lom neeg ruaj khov, uas yog vim li cas cov thermosets tswj cov kev siv xws li Circuit Board laminates thiab siab -kub aerospace composites. Kev lag luam tawm yog qhov tseeb: ib zaug kho, lawv tsis tuaj yeem rov ua dua lossis rov ua dua.
Thermoplastics tswj cov kab hluav taws xob cov kab hluav taws xob uas muag nrog cov cua sov thiab ua kom khov thaum txias, voj voog tom qab lub voj voog. Qhov no reversibility enables extrusion, qhov twg pellets yog melted, thawb los ntawm ib tug zoo li tus tuag, thiab txias rau hauv nruam profiles. PVC tseem yog ib qho ntawm cov khoom siv dav dav tshaj plaws rau cov thermoplastic extrusion profiles. Raws li Curbell Plastics 'cov ntaub ntawv cov ntaub ntawv sau tseg,tawv PVCua ke nrog tus nqi qis nrog cov yam ntxwv tsim muaj zog-ib qho kev sib xyaw ua ke uas piav qhia nws txoj kev tswj hwm thoob plaws kev tsim kho, hluav taws xob, thiab kev lag luam profile (curbellplastics.com).
Qhov kev cuam tshuam zoo: yog tias koj cov khoom yuav tsum tau ua kom ntev ntev - qhov rai framing, cable conduit, teeb pom kev zoo channel, tiv thaiv edging-koj ua hauj lwm nrog cov thermoplastics. Cov kev sib tham tshwj xeeb hloov los ntawm "thermoset lossis thermoplastic" mus rau "uas thermoplastic xa cov kev ua tau zoo ntawm daim ntawv thov no."
Xaiv cov thermoplastics rau Extrusion: Dab tsi ua rau kev txiav txim siab
Kev xaiv cov khoom hauv profile extrusion ua raws li qhov sib txawv ntawm kev txhaj tshuaj molding. Koj nyob nraum tsis optimizing rau ntws mus rau hauv complex kab noj hniav; koj tab tom ua kom zoo rau kev coj tus cwj pwm zoo ib yam los ntawm kev tuag, qhov ruaj khov thaum lub sij hawm txias, thiab ntev - lub sij hawm kev ua tau zoo nyob rau hauv ib puag ncig ntsia. Peb qhov tsis zoo yuav ua rau muaj kev sib tham.
Temperature exposure txhais cov khoom ciam teb.PMMA (acrylic) tuav qhov kev pabcuam siab tshaj plaws nyob ib puag ncig 65-95 degree, uas ua haujlwm rau cov qauv LED teeb pom kev zoo tab sis ua tsis tiav nyob rau hauv siab -bay cov khoom siv hluav taws xob uas cov luminaire kub nce thaum lub sijhawm ua haujlwm ntev. PC (polycarbonate) zam qhov kev pabcuam txuas ntxiv mus txog li 135℃thiab nqa cov nplaim hluav taws xob tuaj yeem-cov khoom tsis zoo-vim li cas kev thauj mus los teeb pom kev zoo nrog cov kev ntsuas hluav taws xob feem ntau qhia meejPC npogtsis yog acrylic lwm txoj kev.
Peb khiav los ntawm qhov kev ntsuam xyuas no ntawm txhua qhov project LED diffuser. Daim ntawv thov kos npe muag muag xyoo tas los tau teev tseg PMMA rau nws 92% lub teeb kis tus nqi, qhov siab tshaj plaws ntawm cov khoom siv extrudable. Thaum peb tshuaj xyuas qhov chaw teeb tsa- teeb pom kev zoo sab nraum zoov hauv nruab nrab sab hnub tuaj huab cua-kev sib tham tau hloov. Qhov kub thiab txias tshaj PMMA qhov pib txhais tau tias lub diffuser yuav warp hauv lub hlis. Qhov kawg spec hu rau PC nrog me ntsis kis tau tus mob txim (nyob ib ncig ntawm 88%) tab sis ruaj khov geometry thoob plaws qhov kub thiab txias.
Chemical ib puag ncig txiav txim cov khoom siv tau.ABS muaj kev sib xyaw ua ke ntawm kev cuam tshuam lub zog thiab qhov ua tiav qhov zoo, ua rau nws nrov rau cov khoom siv kho kom zoo nkauj thiab cov tsheb sab hauv. Tab sis nthuav tawm ABS rau cov kuab tshuaj uas muaj ntxhiab-acetone, MEK, qee yam tshuaj ntxuav tes hauv kev lag luam-thiab nws ntxhov siab- tawg hauv feeb. Peb khaws qhov no hauv siab thaum peb cov qauv ua ntej- tshuaj xyuas ntau lawm: cov tshuaj ntxuav tes lossis cov tshuaj sib xyaw ua ke yuav hu rau qhov profile tiav? Ib txoj haujlwm hauv tsheb hluav taws xob hauv tsev tau hloov los ntawm ABS mus rau PVC nruj vim tias cov neeg siv khoom sib dhos kab siv hnyav-raws li cov nplaum tsis sib haum nrog ABS.
PVC, los ntawm qhov sib txawv, qhia tau hais tias zoo heev tiv thaiv acids, bases, ntsev, thiab feem ntau muaj tshuaj. Qhov tshuaj tiv thaiv kab mob no piav qhia vim li cas PVC dominates kev tsim daim ntawv thov rau lub qhov rais thav duab, qhov rooj profiles, thiab sab nrauv cladding. Cov tshuaj tiv thaiv kev sib txawv ntawm PVC thiab ABS tau sau tseg zoo hauv cov khoom siv xaiv. Curbell Plastics cais cov PVC nruj raws li muaj kev tiv thaiv zoo rau cov kua qaub, cov hauv paus, ntsev, thiab cov tshuaj siv tshuaj feem ntau, thaum sau tseg tias cov qib ABS tus qauv muaj cov tshuaj tiv thaiv tsis tshua muaj tshuaj lom neeg -ib qho kev sib txawv uas yuav yog qhov tseem ceeb thaum cov ntaub ntawv tiav yuav raug rau cov tshuaj ntxuav lossis cov kuab tshuaj sib dhos hauv kev pabcuam (curbellplastics.com).
Kev cuam tshuam thiab kev xav tau ntawm kev siv tshuab zoo li cov khoom siv xaiv.Kev tsim kho qhov rai profiles xav tau rigidity thiab UV stability -rigid PVC tuav ob qho tib si thaum tseem tshuav nqi- zoo. Cov ntaub thaiv npog ntawm cov khoom siv hauv kev lag luam xav tau lub zog nqus tsis tau tawg -TPE lossis hloov pauv hloov pauv PVC ua tau zoo dua. LED channel npog rau siab - chaw ua lag luam kev lag luam yuav tsum muaj kev tiv thaiv rau qhov cuam tshuam tsis zoo-PC ua tau zoo PMMA cuam tshuam rau lub zog, kwv yees li peb caug npaug zog los ntawm kev ntsuas feem ntau.
Daim Ntawv Thov Cov Qauv uas tshwm sim los ntawm cov kev txwv no
Kev xaiv cov khoom siv rau extruded profiles pawg nyob ib ncig ntawm cov ntawv thov kev kwv yees tau txais txiaj ntsig thaum koj nyob hauv kev cuam tshuam li cas cov kev txwv cuam tshuam.
LED teeb pom kev zoo Cheebtsamcais ntawm PMMA thiab PC raws li kev khiav hauj lwm kub thiab hluav taws kub ntsuas qhov xav tau. Standard indoor linear teeb pom kev zoo feem ntau sivPMMA diffusersrau superior lub teeb kis tau tus mob thiab tsis kam mus yellowing lub sij hawm. Siab -cov khoom siv hluav taws xob, kev siv sab nraum zoov, thiab kev thauj mus los teeb pom kev zoo hloov mus rau PC kom ruaj ntseg thermal thiab V0 nplaim taws. Peb tau tsim diffuser profiles nyob rau hauv ob qho tib si cov ntaub ntawv rau tib neeg siv thaum lawv cov khoom kab spans no txawv installation ib puag ncig.
Kev tsim kho profiles- qhov rais thav duab, qhov rooj thav duab, sab nrauv cladding, sab hauv trim-tseem tuav los ntawm PVC tawv. Cov khoom muaj qhov ruaj khov, huab cua tsis kam, thiab tus nqi tsim nyog uas lwm txoj kev tawm tsam kom phim.Co-extrusion muaj peev xwmtso cai nruj cores nrog saj zawg zog sealing daim di ncauj, tag nrho nyob rau hauv ib tug profile pass. Ib lub chaw tsim khoom façade peb ua haujlwm nrog tau siv generic profiles rau qhov rais thav duab. Tom qab hloov mus rau kev cai-tsim profiles nrog cov khoom tsim kho kom zoo, lawv tau tshaj tawm tias kev txhim kho kom haum thiab txo lub sij hawm sib dhos ntawm qhov chaw- hom kev txhim kho kev ua haujlwm uas tsis tshwm sim hauv cov khoom vaj khoom tsev tab sis tseem ceeb heev hauv txoj haujlwm kev lag luam.
Automotive sab hauv thiab sab nrauv trimkos los ntawm ntau yam ntaub ntawv nyob ntawm seb cov kev xav tau tshwj xeeb. ABS tuav cov txheej txheem nyuaj qhov chaw ua kom tiav thiab nruj me ntsis kam rau ua qhov tseem ceeb. ASA (acrylic styrene acrylonitrile) muab cov UV tiv thaiv uas xav tau rau cov kav hlau txais xov sab nraud npog thiab qhov cua louvres. PP thiab TPE ua haujlwm rau kev tiv thaiv kev sib tw thiab muag muag -kov tuav qhov yooj yim thiab cuam tshuam rov qab muaj teeb meem ntau dua li kev nruj.
Dab tsi Profile Drawings yuav tsum muaj rau kev xaiv cov khoom
Cov txheej txheem nug rau extruded profiles txawv ntawm kev txhaj tshuaj molded Cheebtsam. Hla -section geometry tseem ceeb tshaj qhov nyuaj. Kev xaiv cov khoom siv pob khawm ntawm qhov chaw nruab es tsis yog kev ua kom zoo dua.
Thaum xa cov duab kos rau cov lus hais, suav nrog cov ntsiab lus ntawm daim ntawv thov: qhov kub thiab txias yuav ua li cas rau qhov profile hauv kev pabcuam, yam tshuaj twg tuaj yeem tiv tauj nws, qhov cuam tshuam dab tsi xav tau kev txiav txim siab, thiab cov kev cai yuav tsum siv li cas (UL kev ntsuas rau kev siv hluav taws xob, daim ntawv pov thawj khoom noj uas cuam tshuam, kev ntsuas hluav taws rau kev tsim kho).
Nruam profile ntev txhais tau hais tias koj tseem tab tom qhia txog qhov ntev txiav, ntim khoom, thiab lwm yam kev ua haujlwm thib ob -drilling, punching, printing- uas tshwm sim tom qab extrusion. Ib qho kev qhia ua tiav txo qis rov qab - thiab - tawm mus uas txuas ntxiv cov sijhawm hais lus.
Ntawm Dachang, peb tuav cov thermoplastic profile extrusion hla PVC, PC, PMMA, ABS, PP, TPE, thiab co-extruded ua ke ntawm cov ntaub ntawv no. Yog tias koj qhov project cuam tshuam nrog kev txuas ntxiv -ntev profiles thiab koj tsis paub tseeb tias qib thermoplastic twg haum rau koj daim ntawv thov, xa peb tus ntoo khaub lig- ntu kos duab nrog rau kev ua haujlwm. Peb mam li lees paub cov ntaub ntawv sib raug zoo thiab muab lub peev xwm loj raws li peb cov cuab yeej siv ntau yam -feem ntau hauv 72 teev rau cov qauv geometry.