UV Luam Ntawv yog ib txoj kev tshwj xeeb ntawmCov Luam Ntawv digitalSiv ultraviolet (UV) lub teeb kom qhuav los yog kho tus kua zaub, lossis txhuas, ua npuas ncauj, cov txheej txheem yuav luag tau luam tawm yuav luag txhua yam.
Cov txheej txheem ntawm UV kho - cov txheej txheem photoschemical - yog Ameslikas qhia los ntawm kev ua kom sai li cas los ntawm kev siv khoom siv los ntawm kev kos npe thiab cov ntawv qhia txog cov nqaij fwj. Cov txheej txheem yog tib yam li cov ntaub ntawv qub, qhov sib txawv tsuas yog cov inks siv thiab cov txheej txheem kom qhuav - thiab cov khoom lag luam kom huv.
Hauv cov khoom luam ntawv qub, cov kuab kua inks siv; Cov no tuaj yeem yaj thiab tso tawm volatile cov organic sib xyaw (vocs) uas muaj kev phom sij rau ib puag ncig. Cov qauv tseem ua tau - thiab siv - kub thiab ua pa nrog cov ntxhiab. Tsis tas li ntawd, nws yuav tsum tau tsuag tsuag hmoov los pab nrog tus kua mem kua offsetting thiab ziab, uas tuaj yeem siv sijhawm ntau hnub. Cov inks tau nqus mus rau hauv cov luam ntawv nruab nrab, yog li cov xim tuaj yeem zoo li ntxuav thiab faded. Cov txheej txheem luam ntawv yog txwv feem ntau rau cov ntawv thiab daim npav nruab nrab, yog li nws tsis tuaj yeem siv rau cov ntaub ntawv xws li yas, cov hlau, ntawv ci lossis acrylic zoo li UV luam ntawv.
Nyob rau hauv UV luam ntawv, Mercury / Quartz lossis LED teeb yog siv rau kev kho kom sov hloov; Qhov tshwj xeeb tsim kev siv UV lub teeb ua raws li cov mem kua tshwj xeeb yog faib rau hauv nruab nrab luam ntawv, kom qhuav sai li sai tau thaum nws tau thov. Vim hais tias tus number case hloov los ntawm cov khoom lossis muab cov kua rau nws kom tsis txhob muaj lub sijhawm, yog li tsis muaj lub sijhawm, kom muaj kev tawm tsam, ua kom muaj kev sib tw thev naus laus zis.
Tus number case, nplaum lossis txheej muaj cov kua ntawm cov kua monomers, oligomers - polymers muaj ob peb chav kawm rov qab - thiab cov photoinitiateors. Thaum lub sij hawm kho tus nqi, qhov kev siv lub teeb nyob rau hauv lub cav ulaviolet uas undaigned ib qho tshuaj lom neeg sib txuas ua ke - thiab ua rau tus cwjpwm hla, txheej lossis nplaum kom tawv tawv.
Nws yooj yim pom tau vim li cas UV luam ntawv tau overtaken tsoos dej thiab cov kuab tshuaj ntxuav hluav taws xob kom qhuav thiab vim li cas nws yuav tsum tau txuas ntxiv mus ntxiv rau hauv cov npe nrov. Tsis tsuas yog txoj kev ceev ntau lawm - lub ntsiab lus ntau dua yog ua nyob rau hauv tsawg dua lub sijhawm - tus nqi tsis lees txais yog qhov zoo dua. Ntub dej ntawm number case yog tshem tawm, yog li tsis muaj kev txhuam los yog luag nyav, tsis muaj kev sib txuas lus thiab yog li ntawd tsis muaj txheej txheem tuab lossis ntim. Cov ntsiab lus finer yog li ua tau, thiab xim yog shaper thiab ntau dua li tsis muaj kev nqus cov khoom lag luam ib txwm muaj, thiab qee yam uas xav ntau dua zoo dua.
Cov inks kuj tau txhim kho lub cev lub cev, txhim kho cov kab ua kom tiav, tshuaj ntsuab zoo dua, zoo dua elastic tsis kam, cov tshuaj zoo dua thiab cov khoom tiav kuj muaj txiaj ntsig los ntawm kev txhim kho lub zog. Lawv kuj tseem muaj cov huab cua ntev dua thiab tiv thaiv, thiab muaj kev tiv thaiv kev tiv thaiv kom tsis txhob muaj kev ua kom lawv zoo tshaj plaws rau kev kos npe sab nraum zoov. Cov txheej txheem kuj tseem muaj txiaj ntsig zoo dua - ntau cov khoom tuaj yeem luam tawm hauv lub sijhawm tsawg dua, ntawm qhov zoo dua thiab nrog cov kev tsis muaj txiaj ntsig tsawg dua. Qhov tsis muaj cov suab nrov nrov yuav luag txhais tau tias muaj kev puas tsuaj tsawg rau ib puag ncig thiab kev xyaum ua tau ntau dua.
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Lub sijhawm Post: Apr-22-2022