Ob leeg UV (ultraviolet) thiab EB (electron beam) kho siv hluav taws xob hluav taws xob, uas txawv ntawm IR (infrared) kub kho. Txawm hais tias UV (Ultra Violet) thiab EB (Electron Beam) muaj qhov sib txawv wavelengths, ob qho tib si tuaj yeem ua rau cov tshuaj recombination nyob rau hauv tus number case rhiab heev, piv txwv li, high-molecular crosslinking, uas ua rau instant curing.
Nyob rau hauv sib piv, IR curing ua hauj lwm los ntawm cua sov tus number case, ua ntau yam teebmeem:
● Evaporation ntawm me me ntawm cov kuab tshuaj los yog noo noo,
● softening ntawm tus number case txheej thiab nce ntws, uas tso cai rau nqus thiab ziab,
● Deg oxidation tshwm sim los ntawm cua sov thiab kev sib cuag nrog huab cua,
● Ib nrab tshuaj kho cov resins thiab cov roj molecular siab nyob rau hauv tshav kub.
Qhov no ua rau IR kho cov txheej txheem ntau yam thiab ib nrab ziab, tsis yog ib qho, ua tiav cov txheej txheem kho. Cov kuab tshuaj raws li cov kuab tshuaj sib txawv dua, vim lawv qhov kev kho yog 100% ua tiav los ntawm cov kuab tshuaj evaporation pab los ntawm airflow.
Qhov txawv ntawm UV thiab EB Curing
UV curing txawv ntawm EB kho feem ntau hauv qhov tob tob. UV rays muaj kev nkag tau yooj yim; Piv txwv li, 4-5 µm tuab number case txheej yuav tsum tau kho qeeb nrog high-zog UV teeb. Nws tsis tuaj yeem kho tau ntawm kev kub ceev, xws li 12,000-15,000 nplooj ntawv hauv ib teev hauv offset luam ntawv. Txwv tsis pub, qhov saum npoo yuav kho tau thaum cov txheej sab hauv tseem ua kua-zoo li lub qe tsis qab-yuav ua rau saum npoo rov yaj thiab lo.
UV nkag mus kuj txawv heev nyob ntawm tus cwj mem xim. Magenta thiab Cyan inks tau yooj yim nkag mus, tab sis Daj thiab Dub inks nqus ntau ntawm UV, thiab cov number case dawb qhia txog UV ntau. Yog li, qhov kev txiav txim ntawm cov xim txheej hauv kev luam ntawv cuam tshuam rau UV curing. Yog tias cov xim dub lossis xim daj uas muaj qhov nqus UV siab nyob rau sab saum toj, cov xim liab lossis xiav inks tuaj yeem kho tsis txaus. Hloov pauv, tso cov xim liab lossis xiav rau saum thiab Daj lossis Dub hauv qab yuav ua rau muaj qhov ua kom tiav. Txwv tsis pub, txhua txheej xim yuav xav tau kev sib cais.
EB curing, ntawm qhov tod tes, tsis muaj xim sib txawv ntawm kev kho thiab muaj kev nkag tau zoo heev. Nws tuaj yeem nkag mus rau daim ntawv, yas, thiab lwm yam substrates, thiab txawm kho ob sab ntawm daim ntawv luam tawm ib txhij.
Kev txiav txim siab tshwj xeeb
Dawb underlay inks yog qhov nyuaj tshwj xeeb rau UV kho vim tias lawv cuam tshuam UV teeb, tab sis EB kho tsis cuam tshuam los ntawm qhov no. Qhov no yog ib qho zoo ntawm EB tshaj UV.
Txawm li cas los xij, EB curing xav kom lub ntsej muag nyob hauv qhov chaw tsis muaj oxygen kom ua tiav kev kho kom txaus. Tsis zoo li UV, uas tuaj yeem kho tau hauv huab cua, EB yuav tsum ua kom lub zog ntau dua kaum npaug hauv huab cua kom ua tiav cov txiaj ntsig zoo sib xws - kev ua haujlwm txaus ntshai heev uas yuav tsum tau ceev faj txog kev nyab xeeb. Txoj kev daws teeb meem yog ua kom lub tshuab kho kom zoo nrog nitrogen kom tshem tawm cov pa oxygen thiab txo qis kev cuam tshuam, tso cai rau kev kho kom zoo.
Qhov tseeb, nyob rau hauv semiconductor industries, UV imaging thiab raug feem ntau ua nyob rau hauv nitrogen-filled, oxygen-dawb chamber rau tib yam vim li cas.
EB curing yog li no tsuas yog tsim rau cov ntawv nyias nyias lossis cov yeeb yaj kiab yas hauv cov ntawv txheej thiab luam ntawv. Nws tsis haum rau daim ntawv-piv presses nrog txhua yam chains thiab grippers. UV curing, piv txwv li, tuaj yeem ua haujlwm hauv huab cua thiab siv tau ntau dua, txawm tias tsis muaj oxygen-dawb UV curing tsis tshua siv hauv kev luam ntawv lossis txheej txheej niaj hnub no.
Post lub sij hawm: Sep-09-2025
