Acrylic Lens, PMMA Yas Lens.
Lens qhia:
Lub hauv paus phaj ntawm acrylic lo ntsiab muag yog ua los ntawm PMMA, uas tseem hu ua pressed acrylic lens los ntawm cov neeg hauv Hong Kong thiab Taiwan.Acrylic lens yog hais txog lub extruded acrylic phaj.Yuav kom ua tiav cov qib kho qhov muag electroplating, lub hauv paus phaj yuav tsim cov nyhuv iav tom qab lub tshuab nqus tsev.Yas lo ntsiab muag yog siv los hloov iav lo ntsiab muag, uas muaj qhov zoo ntawm lub teeb yuag, tsis yooj yim rau tawg, yooj yim molding thiab ua, yooj yim colouring thiab thiaj li nyob rau, Lub zog loj hlob nyob rau hauv ib hnub twg, thiab nws tau dhau los ua ib hom kev siv tshuab. hauv kev tsim cov lens.Cov phaj yas feem ntau tuaj yeem ua rau: daim iav ib sab, daim iav ob sab, daim iav yas, daim iav ntawv, ib nrab lo ntsiab muag, thiab lwm yam. lawv tuaj yeem ua raws li qhov sib txawv.Piv txwv li, lub vijtsam ntawm lub xov tooj ntawm tes thiab TV tuaj yeem pom txhua hnub.
Cov yam ntxwv ntawm Lens:
Acrylic yog tsim rau kev ua haujlwm theem nrab, xws li machining, thermoplastic molding, tshuab moulding, blister, hnyav bonding, thermal printing, screen printing thiab nqus electroplating.Tom qab ua tiav, nws yog qhov peb hu ua acrylic lens.
Acrylic phaj yog polymerized los ntawm methyl methacrylate monomer (MMA), uas yog polymethylmethacrylate (PMMA) phaj plexiglass, uas yog ib hom plexiglass ua tiav los ntawm cov txheej txheem tshwj xeeb.Nws muaj lub koob npe nrov ntawm "plastic Queen".Kev tshawb fawb thiab kev loj hlob ntawm acrylic muaj keeb kwm ntawm ntau tshaj 100 xyoo.
Lens siv:
Acrylic muaj qhov zoo ntawm lub teeb yuag, tus nqi qis thiab yooj yim molding.Nws txoj kev molding muaj xws li casting, txhaj tshuaj molding, machining, acrylic thermoforming, thiab lwm yam tshwj xeeb, kev txhaj tshuaj molding tuaj yeem ua rau ntau qhov ntau, nrog cov txheej txheem yooj yim thiab tus nqi qis.Yog li ntawd, nws yog dav siv nyob rau hauv ntsuas qhov chaw, tsheb teeb, optical lo ntsiab muag, pob tshab kav thiab hais txog.
Acrylic yog cov khoom siv tshiab zoo tshaj plaws los ua cov khoom siv huv tom qab ceramics.Piv nrog rau cov khoom siv niaj hnub ceramic, acrylic tsis tsuas yog muaj qhov sib txawv ntawm qhov ci ntsa iab, tab sis kuj muaj qhov zoo hauv qab no: zoo toughness thiab tsis yooj yim rau kev puas tsuaj;Muaj zog kho dua tshiab, tsuav yog cov npuas mos dipped hauv cov tshuaj txhuam hniav tuaj yeem so cov khoom huv si tshiab.Kev ntxhib los mos yog mos, thiab tsis muaj pob txha chilling nyob rau lub caij ntuj no;Cov xim ci tuaj yeem ua tau raws li tus neeg nrhiav kev sib txawv.Lub rooj phiab, da dej thiab chav dej ua los ntawm acrylic tsis yog tsuas yog exquisite nyob rau hauv style, ruaj, tab sis kuj environmentally phooj ywg.Nws cov kab hluav taws xob yuav luag zoo ib yam li cov pob txha ntawm tib neeg.Acrylic huv ware thawj zaug tau tshwm sim hauv Tebchaws Meskas thiab tam sim no suav txog ntau dua 70% ntawm tag nrho cov lag luam thoob ntiaj teb.Vim yog qhov nyuaj thiab tus nqi siab ntawm cov khoom siv acrylic, muaj ntau yam khoom siv qis hauv kev ua lag luam.Cov kev hloov pauv no, tseem hu ua "acrylic", yog cov khoom siv zoo tib yam lossis cov khoom sib xyaw ua ke (tseem hu ua sandwich board).Ordinary organic board yog cam khwb cia nrog zoo tib yam plexiglass cracking khoom thiab xim.Nws nto hardness yog tsawg thiab yooj yim rau ploj.Cov nyhuv polishing tsis zoo tom qab polishing nrog cov xuab zeb zoo.Lub rooj sib xyaw ua ke tsuas muaj ib txheej nyias ntawm acrylic ntawm qhov chaw thiab ABS yas hauv nruab nrab.Nws yog ib qho yooj yim rau delaminate vim qhov cuam tshuam ntawm thermal expansion thiab txias shrinkage hauv kev siv.Qhov tseeb thiab tsis tseeb acrylic tuaj yeem txheeb xyuas los ntawm cov xim hloov maj mam sib txawv thiab polishing nyhuv ntawm cov phaj phaj.1 Daim ntawv thov kev tsim vaj tsev: qhov rais, qhov rooj tsis muaj suab nrov thiab qhov rais, hnub ci npog, lub rooj muag xov tooj, cov iav xim zoo nkauj, thiab lwm yam Daim Ntawv Thov Kev Tshaj Tawm: lub teeb lub thawv, kos npe, kos npe, exhibition khib, thiab lwm yam Daim ntawv thov Kev thauj mus los: tsheb ciav hlau, tsheb reversing daim iav, tsheb lens, thiab lwm yam. 4 Daim ntawv thov kev kho mob: tus me nyuam incubator, ntau yam kev kho mob phais, pej xeem cov khoom: handicrafts, cosmetic tsom iav, brackets, thoob dej yug ntses, tsom iav, thiab lwm yam Muaj daim ntawv thov: ntsuas vaj huam sib luag thiab npog, thiab lwm yam teeb pom kev zoo daim ntaub ntawv: fluorescent teeb, chandelier, txoj kev teeb npog, coj. Reflector, acrylic reflector, thiab lwm yam.
Cov yam ntxwv ntawm txheej txheem:
1. Acrylic muaj polar side methyl, uas muaj pom tseeb hygroscopicity.Kev nqus dej feem ntau yog 0.3% - 0.4%.Nws yuav tsum yog acrylic phaj ua ntej tsim
Nws yuav tsum tau qhuav nyob rau hauv tus mob ntawm 80 ℃ - 85 ℃ rau 4-5h.2. Acrylic muaj txiaj ntsig zoo thiab pom tseeb uas tsis yog-Newtonian kua cov yam ntxwv hauv qhov kub thiab txias ntawm molding ua.Lub yaj viscosity yuav txo qis nrog qhov nce ntawm shear npaum li cas, thiab cov yaj viscosity kuj tseem ceeb heev rau qhov kev hloov ntawm qhov kub thiab txias.Yog li ntawd, rau molding ua ntawm polymethylmethacrylate, nce lub molding siab thiab kub yuav txo tau cov yaj viscosity thiab tau zoo fluidity.3. Qhov kub ntawm cov acrylic pib ntws yog li ntawm 160 ℃, thiab qhov kub ntawm qhov nws pib decompose yog siab tshaj 270 ℃, nrog rau kev ua haujlwm kub ntau.4. Lub viscosity ntawm acrylic yaj yog siab, qhov txias txias yog ceev, thiab cov khoom yog ib qho yooj yim los tsim kev ntxhov siab nyob rau hauv.Yog li ntawd, cov txheej txheem txheej txheem yog nruj me ntsis tswj thaum lub sij hawm molding, thiab cov khoom kuj xav tau kev kho mob tom qab molding.5. Acrylic yog ib tug amorphous polymer nrog me me shrinkage thiab nws variation ntau yam, feem ntau yog hais txog 0.5% - 0.8%, uas yog conducive rau tsim cov yas qhov chaw nrog siab precision.6. Acrylic txiav kev ua tau zoo heev, thiab nws cov profile tuaj yeem yooj yim machined rau ntau qhov ntau thiab tsawg.
Kev siv technology:
Acrylic tuaj yeem txais casting, txhaj tshuaj molding, extrusion, thermoforming, laser engraving, laser txiav thiab lwm yam txheej txheem.
Kev txhaj tshuaj molding
Casting molding yog siv los tsim cov profiles xws li plexiglass daim hlau thiab cov tuav, uas yog, cov profiles yog tsim los ntawm bulk polymerization.Cov khoom cam khwb cia xav tau kev kho mob tom qab.Cov xwm txheej tom qab kev kho mob yog kev txuag hluav taws xob rau 2h ntawm 60 ℃ thiab txuag hluav taws xob rau 2h ntawm 120 ℃
Txhaj tshuaj molding
Txhaj tshuaj molding txais cov khoom siv granular npaj los ntawm ncua kev kawm ntawv polymerization, thiab molding yog nqa tawm nyob rau hauv lub zoo tib yam plunger los yog ntsia hlau txhaj tshuaj molding tshuab.Table 1 qhia txog cov txheej txheem raug cai ntawm polymethylmethacrylate txhaj tshuaj molding.Txheej txheem tsis ntsia hlau txhaj tshuaj molding tshuab plunger txhaj tshuaj molding tshuab chim ℃ kub rear 180-200 180-200 nruab nrab 190-230 pem hauv ntej 180-210 210-240 nozzle kub ℃ 180-210 210-240 pwm kub ℃ 40-80 4 siab MPa 80-120 80-130 tuav lub siab MPa 40-60 40-60 ntsia hlau ceev rp.m-1 20-30 txhaj tshuaj cov khoom kuj xav tau kev kho mob tom qab tshem tawm cov kev ntxhov siab sab hauv, kev kho mob yog nqa tawm hauv 70-80 ℃ cua kub ncig kom qhuav qhov cub.Lub sijhawm kho ntawm acrylic bar feem ntau siv li 4H nyob ntawm qhov tuab ntawm cov khoom.
Thermoforming
Thermoforming yog txheej txheem ntawm kev ua plexiglass phaj los yog ntawv rau hauv cov khoom ntawm ntau qhov ntau thiab tsawg thiab duab.Qhov khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoobTom qab txias thiab shaping, ntug yog trimmed kom tau cov khoom.Cov txheej txheem ntawm lub tshuab nqus tsev nqus los yog ncaj qha pressurization ntawm punch nrog profile tuaj yeem raug saws rau pressurization.Qhov ntsuas kub thermoforming tuaj yeem xa mus rau qhov ntsuas kub tau pom zoo hauv Table 3. Thaum siv lub tshuab nqus tsev sai uas tsis muaj cov khoom tsim tawm, nws yog qhov tsim nyog los txais yuav qhov kub ntawm qhov qis dua.Thaum tsim cov khoom siv sib sib zog nqus nrog cov duab zoo, nws yog qhov tsim nyog los txais yuav qhov kub thiab txias ze rau qhov txwv sab saud.Feem ntau, qhov kub ib txwm raug txais yuav.
Peb muaj txhua qhov loj ntawm Arylic lens, yog tias koj xav tau, thov hu rau peb, peb kuj tuaj yeem ua rau lub lens Arylic raws li koj xav tau.Koj tuaj yeem xa cov duab kos rau peb, tom qab ntawd, peb tuaj yeem ua cov pwm rau koj.Ua tsaug ntau.
