Txoj kev txhim kho tshiab kawg ntawm flexo phaj ua tshuab
Los ntawm kev ua tau zoo rau kev luam ntawv zoo, los ntawm kev tiv thaiv ib puag ncig rau kev tswj hwm tus nqi, daim ntawv lo luam ntawv tso rau pem hauv ntej cov kev xav tau siab dua rau flexo luam ntawv daim hlau thiab tshuab luam ntawv. Txhawm rau ua kom tau raws li cov cai no, cov phaj hloov pauv thiab cov khoom lag luam tau hloov kho tas li. Peb zoo siab pom tias nyob rau hauv 10 xyoo dhau los, kev txhim kho ntawm flexo luam ntawv thev naus laus zis tau tsim los ntawm leaps thiab ciam teb, txawm tias nyob rau hauv 3 lub xyoos dhau los thaum cov kab mob tshiab tau tawg, kev tshawb fawb thiab kev loj hlob thiab kev txhawb nqa ntawm flexographic phaj thiab phaj- ua cov cuab yeej tsis tau nres, los ntawm kev soj ntsuam tas li thiab kev tshawb fawb ntawm cov neeg siv khoom xav tau, ntau yam khoom siv flexographic phaj} thiab phaj tau siv rau hauv cov khoom siv tshiab, ntau daim ntawv lo {5 daim ntawv lo} thiab cov phaj tshiab luam ntawv ntau lawm, thiab tau ua tiav kev lag luam tawm tswv yim zoo. Nyob rau hauv tsab xov xwm no, tus sau piav qhia txog lub tswv yim ntawm daim ntawv thov ntawm flexo phaj ua tshuab nyob rau hauv lub tshav pob ntawm daim ntawv lo luam ntawv nrog rau cov phaj tshiab kawg- ua technology thiab cov cuab yeej launched los ntawm nws lub tuam txhab rau cov neeg nyeem.
1. Daim ntawv thov ntawm kev txhim kho tiaj tiaj saum dot luam ntawv phaj hauv daim ntawv lo luam ntawv
Txij li thaum tshwm sim ntawm cov khoom siv- ywj pheej tiaj tus dot luam ntawv daim hlau, hom khoom no tau siv dav, thiab cov neeg siv tuaj yeem siv cov khoom siv uas twb muaj lawm los ua cov phaj saum toj kawg nkaus cov ntawv luam ntawv nrog cov phaj nrog ua - hauv cov dots sab saum toj. Tam sim no, cov khoom lag luam hloov pauv loj hauv kev ua lag luam tau tsim cov phaj saum toj kawg nkaus cov ntawv luam tawm thiab niaj hnub tsim kho tshiab. Noj DuPont cov tiam tshiab ntawm EasyR series daim hlau pib xyoo 2021 ua piv txwv, cov phaj no ntxiv txhim kho cov ntawv luam tawm thiab luam ntawv zoo ntawm cov phaj thaum khaws cov kev ua tau zoo ntawm cov phaj yooj yim, raws li pom hauv daim duab 1.
Fig.1 Kev sib piv ntawm cov phaj hluav taws xob ua ntej thiab tom qab kev txhim kho EFXR ntawm Ib qho yooj yim thermal phaj
Daim duab 1 Scratch test ntawm Easy thermal phaj EFXR67 ua ntej thiab tom qab kev txhim kho, nws tuaj yeem pom tias lub tiaj tus -top dot luam ntawv phaj ua ntej kev txhim kho muaj ib qho teeb meem poob tom qab ntau qhov khawb, thaum txhim kho Ib qho yooj yim thermal phaj EFXR67 muaj qhov ruaj khov thiab ua tiav qhov kev ua tau zoo nyob rau hauv tib yam kev sim. Hauv kev sim ntau lawm, qee cov neeg siv kuj tau hais tias cov ntawv luam tawm ntawm cov cim tshiab ntawm lub tiaj tus - cov ntawv luam ntawv saum toj kawg nkaus tuaj yeem nce 50% lossis ntau dua li ua ntej. Ntxiv rau qhov no, txhim kho tiam tshiab ntawm EasyR series daim hlau kuj tau pom cov ntawv luam zoo heev hauv ntau cov ntawv luam tawm. Daim duab 2 qhia txog cov ntawv pov thawj uas luam tawm los ntawm cov tuam txhab luam ntawv hauv tsev siv cov cim tshiab ntawm EasyR series luam ntawv daim hlau.
Hauv daim duab loj 2, koj tuaj yeem pom tias qhov zoo siab -gloss dots tau luam tawm tag nrho thiab zoo ib yam, uas tuaj yeem ua tau raws li kev lag luam xav tau rau siab -kawg flexo daim ntawv lo, thiab cov nyhuv ntawm qhov loj hauv zos siab -gloss dots yog pom hauv daim duab 3.
Fig.2 Cov qauv luam ntawv nqaim ntawm ib tiam tshiab ntawm cov phaj thermal
Daim duab 3 Ib cheeb tsam nthuav dav cov ntsiab lus dot nyhuv
Nyob rau hauv cov txheej txheem ntawm kev luam ntawv daim ntawv lo, feem ntau muaj ntau qhov tsis tiav thiab tsis ruaj khov nyob rau hauv qhov chaw tseem ceeb uas tau kawm tiav rau xoom, thiab cov dots tsis ruaj tsis khov no yuav raug deformed nyob rau hauv qhov kev txiav txim ntawm kev luam ntawv siab, kom cov dots tsis tau tsuas yog tau number case nyob rau saum toj, tab sis kuj luam tus number case nyob rau hauv lub xub pwg nyom ntawm cov dots nyob rau hauv lub siab, tsim strip dots ntawm cov ntsiab lus ntawm cov ntsiab lus tseem ceeb. teeb meem. Raws li pom nyob rau hauv daim duab . 4, lub linear high brightness cheeb tsam uas tsis muaj cov nyiaj them poob haujlwm dheev nthuav cov dots.
Zooming nyob rau hauv qhov chaw gradient hauv daim duab 4 qhia tau hais tias cov dots nyob rau hauv lub highlight cheeb tsam yog irregularly zoo li tus, raws li qhia nyob rau hauv daim duab 5.
Daim duab 4 Feem ntau flexo gradient rau xoom fracture teeb meem
Fig. 5 Cov txiaj ntsig tsis tu ncua ua rau lub qhov ncauj tawv
Nws yog qhov tseeb vim tias qhov ntev ntawm -lub sij hawm muaj nyob ntawm qhov teeb meem no uas flexo luam ntawv yog qhov nyuaj heev los tsim cov nyhuv tseem ceeb, tshwj xeeb tshaj yog nyob rau hauv pre- xovxwm retouching, xim sib cais thiab phaj ua, muaj cov kev tiv thaiv zoo sib xws. Ua flexo ntau lub ntsiab lus tseem ceeb yuav luag dhau los ua lub hom phiaj tseem ceeb uas tau ua los ntawm flexo luam ntawv rau lub sijhawm ntev.
Cov dots me me ntawm lub tiaj tus hloov kho dua tshiab- cov ntawv luam ntawv saum toj kawg nkaus yog qhov ruaj khov thiab tuaj yeem nqa cov txiaj ntsig zoo dua (raws li pom hauv daim duab 6), uas daws cov teeb meem tshwm sim ntawm cov xim gradients los ntawm qhov kev xav ntawm lub phaj thiab txo qee qhov kev ua haujlwm ua ntej. Tsis tas li ntawd, qhov tseeb EasyR thermal phaj tseem tuaj yeem ruaj khov nqa 15μm dots, uas yog kwv yees li 1% ntawm cov dot loj ntawm 190lpi, tawg los ntawm cov pa 1% dot loj ntawm 175lpi, thiab cov dots ruaj khov tuaj yeem nqa tau zoo rov ua dua thiab siab ruaj khov luam ntawv kev ua tau zoo, raws li qhia hauv daim duab 7, dot txoj kab uas hla ntawm 2% ntawm daim phaj no tsuas yog 2% 1 75 np.
Fig.6 Printing kev ua tau zoo ntawm EFXR siab-gloss dots ntawm lub tiaj tiaj zoo dua-top dot luam ntawv phaj
Daim duab 7 Qhov kawg thermal phaj EFXR tuaj yeem tsim cov dots nrog txoj kab uas hla tsawg dua 20 μm thiab ruaj khov ua tiav daim ntawv luam.
2. Daim Ntawv Thov Tshwj Xeeb rau LED (Light Emitting Diode) Exposure Units
Kev txhim kho txuas ntxiv ntawm LED thev naus laus zis tau ua rau muaj kev nce qib tsis tu ncua ntawm flexographic phaj- ua tshuab. LED exposure technology nta ruaj khov lub zog tso zis, uas tuaj yeem daws qhov teeb meem ntawm lub zog hloov pauv hauv cov chav nyob ib txwm muaj. Txawm li cas los xij, vim muaj ntau yam laj thawj, tam sim no cov khoom siv hluav taws xob tseem ceeb ntawm LED raug tseem siv platform scanning rau raug. Raws li pom nyob rau hauv daim duab 8, nws sib piv qhov raug ntawm tib hom flexographic phaj siv LED systems thiab ib txwm raug. Nws tuaj yeem pom tias lub teeb ci LED tau teeb tsa rau ntawm lub teeb txav txav tau, uas rov ua dua ntawm lub rooj tsav los ntawm lub cev muaj zog. Qhov kom zoo dua ntawm kev tshuaj ntsuam xyuas- hom kev tiv thaiv kab mob yog qhov txo qis ntawm cov nqi ntawm LED raug teeb meem, tab sis nws kuj qhia txog lwm yam teeb meem, xws li kev teeb tsa tsis raug. Daim duab 8 qhia txog tus nqi ntawm UV lub teeb raug tau txais ntawm cov duab nraaj tshwj xeeb ntawm lub phaj hauv txhua txoj haujlwm. Txij li cov tshuab LED feem ntau yog siv cov scanning{11}} hom raug, cov duab nraaj tau nthuav tawm ntau zaus thaum lub sijhawm ua haujlwm, thiab UV lub zog siv zog txhua lub sijhawm yog ntau dua li ntawm cov khoom siv raug.
Daim duab 8 Kev sib piv ntawm Traditional Exposure Machines thiab LED Exposure Machines
Nyob rau hauv ob hom kev raug, cov photosensitive resin tau dhau los ntawm ob qho kev sib txawv kiag li - txuas cov txheej txheem. Ib txwm siv cov tshuab raug cuam tshuam nrog kev cuam tshuam tas mus li, thaum LED raug tshuab siv lub platform scanning siv cuam tshuam. Thaum lub sij hawm raug tus txheej txheem, ib zaug lub teeb LED dhau lawm, kev kho ntawm cov duab nraaj yog cuam tshuam. Piv nrog rau kev sib kis tas mus li, lub sij hawm raug ntawm feem ntau ntawm LED platemaking tshuab yuav tsum tau txuas ntxiv, yog li cov chaw muag khoom thiab cov khoom lag luam hloov pauv tau nqis peev tseem ceeb los txhim kho phaj- ua qhov tsis zoo rau LED raug, kom qhov kev ua tau zoo ntawm cov phaj ua nrog LED raug tuaj yeem ncav cuag lossis tshaj ntawm cov phaj ua nrog cov tsoos raug. Cov teeb meem tshwm sim feem ntau suav nrog kev kho qhov chaw raug, xws li lub zog tso zis ntawm lub tshuab raug, scanning ceev, thiab tus naj npawb ntawm scans.
Tsis tas li ntawd, txawm hais tias siv high-zog UV tso zis tuaj yeem ua rau lub sijhawm raug, nws tuaj yeem tuaj ntawm tus nqi ntawm cov phaj zoo. Kev sib xyaw ua ke ntawm cov zis siab thiab lub sijhawm luv luv feem ntau ua rau cov dots me tshaj plaws kom loj, cov ces kaum ntawm kab thiab tsab ntawv lub xub pwg dav dav, thiab cov dot nto los ua concave. Cov xwm txheej no tuaj yeem ua rau txo qis ntawm kev luam ntawv raug latitude thiab luam ntawv zoo. Yog li ntawd, kom tsis txhob muaj cov teeb meem no, lub sij hawm ntev LED raug feem ntau yuav tsum tau. Cov kev cov nyom no zoo ib yam li kev ua tiav sab nrauv crispy ntawm lub steak thaum ua kom cov sab hauv ua kom zoo. Hauv cov ntsiab lus kev, nws txhais tau tias ua tiav cov ntsiab lus luam ntawv zoo thiab qhov chaw microstructures thaum tso cai rau feem ntau ntawm cov resin mus rau tag nrho cov photopolymerization, ua ib daim ntawv ruaj khov.
Yog hais tias lub photosensitive resin phaj mis yog optimized rau LED raug los ntawm qhov pib, yuav tsum muaj tsawg dua kev cuam tshuam nyob rau hauv cov nqe lus ntawm ntau lawm efficiency thiab zoo. Optimized saj zawg zog daim hlau ua ke nrog kev paub txog daim ntawv thov kev txhawb nqa cov neeg ua haujlwm tuaj yeem ua tiav cov txiaj ntsig zoo. Hauv ib nrab xyoo 2021, DuPont tau kho tshwj xeeb thiab kho cov qauv phaj zoo rau LED- UV raug, tso tawm cov ntawv tshiab ntawm cov duab hluav taws xob resin hu ua Cyrel® Lightning. Cov phiaj xwm no tau zoo daws cov teeb meem ntau yam uas cov paib hloov pauv tau ntsib nyob rau hauv LED raug tshuab.
Cov phaj no tau ua raws li LED UV photosensitivity yam ntxwv, ua kom muaj qhov sib npaug ntawm qhov chaw kho thiab kho tag nrho. Qhov kev tsim kho tshiab no tso cai rau kev kho sai sai thiab txo qis inhibition ntawm resin polymerization tshwm sim los ntawm oxygen thaum lub sij hawm raug LED. Nyob rau tib lub sijhawm, los ntawm kev ua kom zoo - kho lub phaj ntawm UV nqus cov khoom, cov phaj no ua tiav tag nrho kev kho. Cyrel® LSH daim hlau tsis ntev los no muaj qhov txo qis ntawm 42% piv rau DPR daim hlau, thaum khaws cov DPR phaj cov ntsiab lus zoo thiab zoo heev hauv nruab nrab- lub suab muaj peev xwm tsim tawm. Rau LED raug technology, lub tuam txhab yuav txuas ntxiv tso tawm LED raug- cov phaj tshwj xeeb haum rau hnyav- cov tshuab dawb, xws li LFH, uas tau txais ntau qhov zoo ntawm LSH thiab, ua ke nrog hnyav- cov tshuab ntxuav tais diav dawb, yuav tsum tau txais kev nyiam siv dav dua.
3. Kev siv cov khoom siv ua kom sov phaj
Nrog rau kev nce ib puag ncig kev nco qab ntawm cov tuam txhab luam ntawv hauv Suav teb, kev ua haujlwm siab, kev nyab xeeb, thiab ib puag ncig zoo ntawm cov kuab tshuaj -cov tshuab pub dawb tau maj mam lees paub, thiab lub hauv paus teeb tsa hauv Suav teb tseem loj hlob zuj zus. Raws li pom hauv daim duab 9, kev txhim kho ua tiav ntawm DuPont Cyrel® 2000TD cov khoom siv thoob ntiaj teb qhia tau hais tias muaj txiaj ntsig zoo thiab kev ntseeg siab ntawm cov kuab tshuaj tshiab kawg -dawb phaj- ua tshuab. Tam sim no, ntxiv rau qhov nqaim lub vev xaib luam ntawv, ntau tus neeg siv hauv kev lag luam flexographic siab kuj tseem siv dav web flexographic presses rau cov ntawv luam tawm.
Daim duab 9: Kev qhuas dav dav 2000TD thiab 3000TD tau tsim tawm xyoo 2022 tau nce qib zoo ntawm cov phaj thermal rau cov kuab tshuaj-raws li daim hlau.
Cov kuab tshuaj-dawb platemaking system 3000TD, tau tsim tawm hauv 2022, tau coj hnyav-platemaking technology rau qib tshiab ntawm kev ua tau zoo thiab zoo. Qhov siab tshaj plaws phaj loj uas lub tshuab platemaking tuaj yeem ncav cuag 1270 × 2032mm, ua tau raws li qhov xav tau ntawm cov neeg siv feem ntau rau cov ntawv loj - hom ntawv. Vim muaj ntau yam tshiab technologies, piv rau yav dhau los tiam ntawm loj - hom thermal platemaking systems, qhov tseeb 3000TD platemaking tshuab tau zoo heev nyob rau hauv zoo. Ua ke nrog cov ntaub ntawv thermal phaj tshiab kawg, hnyav- thev naus laus zis tuaj yeem ua tiav qhov zoo ntawm cov kuab tshuaj ib txwm muaj{13}} raws li platemaking. Nyob rau tib lub sijhawm, 3000TD platemaking tshuab nta lub vaj huam sib luag tsim ua haujlwm ergonomically, nrog kev txhim kho tseem ceeb hauv kev tswj qhov kub thiab txias, tso pa tawm, thiab lub suab nrov ib puag ncig. Tsis tas li ntawd, raws li DuPont daim ntawv tshaj tawm kev soj ntsuam cov khoom lag luam tshiab, piv rau cov kuab tshuaj-raws li platemaking, qhov thermal platemaking system tuaj yeem txuag tau 56% ntawm tsis yog{19}} siv hluav taws xob tauj dua tshiab thaum txo cov pa hluav taws xob hauv tsev los ntawm 38%.
4. Kev siv cov khoom siv plating tshuab
Txhawm rau daws cov teeb meem kev nyab xeeb, kev ua tau zoo, thiab qhov tseeb hauv flexographic phaj txiav, cov phaj tsis siv neeg- txiav tshuab tau maj mam tau txais kev nyiam ntawm cov neeg siv hauv xyoo tas los no. Raws li pom hauv daim duab 10, Kongsberg X20E yog ib qho piv txwv. Qhov no tsis siv neeg phaj- txiav tshuab tsis tsuas yog luv phaj- txiav lub sij hawm tab sis kuj tseem tuaj yeem simulate seamless lub tes tsho luam ntawv cuam tshuam, txhim kho kev ruaj ntseg ntawm siab - ceev luam ntawv, raws li qhia hauv daim duab 11.
Daim duab 10 Kongsberg X20E tau teeb tsa ntawm DuPont Shanghai Customer Technology Center hauv lub Cuaj Hli 2022
Daim duab 11 qhia tau hais tias lub phaj interlaced txiav ua tiav los ntawm lub tshuab txiav phaj tsis siv neeg, uas tuaj yeem simulate cov nyhuv luam ntawv ntawm lub tes tsho seamless thaum tseem txhim kho kev ruaj ntseg ntawm siab - ceev luam ntawv.
5. Ntau Environmentally Friendly Plate Washing Solvents
Rau cov neeg siv cov kuab tshuaj, lub tuam txhab kuv ua haujlwm tau hloov kho cov qauv ntawm eco-phooj ywg hnyav Flexosol-i thiab tau tshaj tawm tiam tshiab ntawm eco- tus phooj ywg hnyav, Flexosol-X, uas yog ib puag ncig zoo dua thiab muaj kev ua tau zoo tag nrho. Piv nrog rau eco-phooj ywg hnyav Flexosol-i, Flexosol-X muaj kev siv tau zoo dua thiab rov ua dua tshiab, yuav tsum tau siv sij hawm tsawg dua rau phaj ntxuav thiab ziab, thiab tuaj yeem txo kev siv zog ntxiv. Nyob rau tib lub sijhawm, VOC emissions ntawm eco-phooj ywg hnyav Flexosol-X raug txo los ntawm 57%, ua tau raws li European Union ib puag ncig cov qauv nruj dua rau kev siv hnyav.
Kev tsim kho thev naus laus zis yuav tsis tso tseg. Nws ntseeg tau tias ntau lub phaj flexographic thiab cov khoom siv yuav txuas ntxiv ua haujlwm ntawm kev txhim kho flexographic zoo, nce phaj- ua kom muaj txiaj ntsig, thiab txhim kho cov khoom lag luam ruaj khov, muab cov khoom lag luam zoo dua thiab thev naus laus zis rau cov neeg siv daim ntawv lo flexographic thiab txhawb lub sijhawm ntev - txoj kev loj hlob ntawm Tuam Tshoj daim ntawv lo luam ntawv.