Nkag siab cov ntsiab lus tseem ceeb ntawm daim ntawv lo flexographic phaj tswj hauv ib tsab xov xwm!
Nrog rau lub teb chaws txoj cai tiv thaiv ib puag ncig ua nruj zuj zus, flexographic luam ntawv tau dhau los ua txoj kev luam ntawv nrawm tshaj plaws hauv xyoo tas los no vim nws qhov tshwj xeeb ntsuab thiab ib puag ncig zoo. Ua ke nrog kev nce qib tseem ceeb hauv flexographic thev naus laus zis, ntau thiab ntau lub tshuab luam ntawv niche (xws li cov ntawv sau, aseptic kua ntim, khob ntawv, hnab ntawv, thawv, cov yeeb yaj kiab breathable, thiab ntim tau yooj yim) tau siv flexographic luam ntawv, uas nyob rau hauv lem tau txhawb txoj kev loj hlob ntawm flexographic luam ntawv phaj lag luam. Nyob rau tib lub sijhawm, cov phaj- ua cov txheej txheem thiab cov ntsiab lus tseem ceeb ntawm cov phaj hloov tau kuj tau txais kev saib xyuas los ntawm cov tuam txhab luam ntawv, vim tias tsis muaj cov ntawv luam ntawv zoo ruaj khov, nws tsis tuaj yeem tsim cov ntawv luam tawm zoo heev. Tam sim no, cov phaj hloov tau siv nyob rau hauv kev lag luam luam ntawv hauv tsev feem ntau yog cov duab thaij duab, uas tuaj yeem muab faib ua cov phaj ua kua thiab cov phaj khoom. Hauv tsab xov xwm no, tus kws sau ntawv tsom mus rau cov phaj thermosensitive, ib ceg ntawm cov phaj khoom, thiab muab cov lus qhia ntxaws ntxaws rau phaj- ua cov txheej txheem thiab cov ntsiab lus tseem ceeb ntawm cov phaj thermosensitive.
QHOV 1: PHAU NTAWV QHIA TXOG KEV UA HAUJ LWM
Ua ntej, cia peb nkag siab txog cov qauv yooj yim ntawm cov phaj hloov tau. Noj cov thermosensitive digital flexographic phaj ua piv txwv, raws li pom hauv daim duab 1.
From Figure 1, it can be seen that the flexible plate structure includes a protective film, black film, photosensitive resin layer, and support film. Ntawm lawv, cov yeeb yaj kiab tiv thaiv feem ntau yog siv los tiv thaiv plua plav, kev puas tsuaj, thiab oxidation uas tuaj yeem txo cov photosensitivity; cov zaj duab xis dub hloov cov zaj duab xis ib txwm laminated rau saum npoo ntawm lub phaj thiab ncaj qha ablated rau imaging los ntawm lub tshuab engraving; cov txheej txheej photosensitive resin yog tsim los ntawm cov cob, monomer, photoinitiator, thiab lwm yam additives, thiab undergoes ib tug polymerization cov tshuaj tiv thaiv nyob rau hauv ultraviolet lub teeb; cov yeeb yaj kiab txhawb nqa yog siv los txhawb cov txheej txheem photosensitive resin thiab tsim cov phaj luam ntawv ruaj khov.
Tom ntej no, cia peb saib cov phaj- ua cov txheej txheem ntawm cov phaj hloov tau. Noj cov phaj thermal qhuav ua piv txwv, raws li pom hauv daim duab 2 thiab 3.
Los ntawm cov phaj- ua cov txheej txheem qhia hauv daim duab 2, nws yog ib qho tsim nyog los saib xyuas txhua kauj ruam hauv cov phaj- ua cov txheej txheem los xyuas kom meej cov phaj zoo, yog li tau txais cov ntawv luam ntawv ruaj khov. Cov phaj tshwj xeeb- ua kom muaj raws li hauv qab no:
(1) Ua ntej cov ntaub ntawv raw cov ntaub ntawv nkag mus rau lub phaj - ua theem, tus qauv thiab batch naj npawb ntawm cov ntaub ntawv raw yuav tsum tau sau npe, thiab daim hlau ntawm tib tus qauv yuav tsum tau categorized raws li tib batch. Tsis tas li ntawd, kev saib xyuas yuav tsum tau them nyiaj rau txoj kev khaws cia ntawm cov phiaj kom ntseeg tau tias lawv tau muab tso rau hauv tiaj tus (qhov chaw ntsug yuav ua rau cov cim), khaws cia hauv qhov chaw qhuav, thiab tiv thaiv los ntawm tshav ntuj ncaj qha.
(2) Rov qab raug txiav txim siab lub thickness ntawm lub substrate thiab qhov siab ntawm lub nyem. Yog li ntawd, nws yog ib qho tsim nyog yuav tsum tau ua cov kev ntsuam xyuas rov qab rau txhua pawg ntawm daim hlau, kho lub sij hawm raug raws li qhov tsis tau muab los ntawm tus neeg muag khoom phaj los xaiv lub sij hawm rov qab raug rau qhov batch ntawm cov qauv phaj. Kev saib xyuas tshwj xeeb yuav tsum tau them thaum lub sij hawm sim rau lub teeb lub zog, lub teeb sov - nce, thiab qhov kub ntawm lub rooj raug.
(3) Nyob rau hauv lub laser imaging theem, nws yog ib qhov tsim nyog yuav tsum tau calibrate lub tsom xam thiab engraving zog ntawm lub imaging khoom, thiab calibration yuav ua tau raws li cov txheej txheem muab los ntawm cov khoom muab.
(4) Qhov tseem ceeb raug, zoo li rov qab raug, kuj yuav tsum tau sim kom tau txais lub sij hawm cuam tshuam loj rau cov khoom ntawm cov qauv phaj ntawd. Ib yam li ntawd, kev saib xyuas yuav tsum tau them rau lub teeb lub zog, lub teeb sov- nce, thiab qhov kub ntawm lub rooj.
(5) Thaum lub sij hawm ntxuav lub phaj, nws yog ib qho tseem ceeb kom ntseeg tau tias lub siab ntawm lub hauv ntej, nraub qaum, sab laug, thiab sab xis ntawm lub phaj yog sib npaug. Nws raug pom zoo tias thaum sib sau ua ke cov phiaj, ntxiv 20mm cov khoom strips ntawm ob sab ntawm kev ntxuav kom sib npaug ntawm lub siab.
(6) Thaum lub sij hawm tshem tawm cov nplaum thiab tom qab- theem kev kho mob raug, lub sij hawm tswj thiab teeb lub zog yuav tsum tau ua tib zoo saib xyuas.
Nws yog ib qho tsim nyog hais tias qhov rov qab raug mob thiab qhov kev ntsuam xyuas tseem ceeb tuaj yeem ua tau zoo -tuned raws li cov khoom sib txawv hauv cov txheej txheem tsim khoom tiag tiag, thiab nws tsis pom zoo kom siv cov ntaub ntawv raw rau kev sim, vim tias cov khib nyiab loj, thiab nws tuaj yeem ua ke nrog qee cov phaj uas tsis xav tau ntau thaum ua cov phaj luam ntawv, xws li daim hlau daim hlau, roj phaj, thiab lwm yam. Nyob rau hauv luv luv, peb yuav tsum tswj cov txheej txheem ntawm cov phaj, {2} kev ruaj ntseg phaj. ua haujlwm zoo hauv kev saib xyuas thiab saib xyuas txhua hnub, tsim cov txheej txheem kev ua haujlwm, thiab txo qhov cuam tshuam ntawm tib neeg yam.
PART.2 Cov lus nug nquag nug txog kev tsim cov phaj hloov tau yooj yim
Phaj ua yog ib feem tseem ceeb ntawm tag nrho cov txheej txheem luam ntawv, thiab qhov tseeb ntawm cov txheej txheem phaj yuav cuam tshuam ncaj qha rau kev ua tiav ntawm cov txheej txheem luam ntawv. Hauv cov txheej txheem tsim khoom tiag tiag, cov phaj- ua cov txheej txheem tuaj yeem tiv thaiv phaj- cov teeb meem cuam tshuam ua ntej, txo qis sijhawm, thiab txhim kho kev tsim khoom. Cov hauv qab no yog qee cov phaj ua- cuam tshuam cov teeb meem phaj thiab cov kev daws teeb meem hauv cov txheej txheem tsim khoom.
(1) Cov ntawv luam ntawv tsis sib xws rau cov menyuam mounting, yog vim li cas tej zaum yuav yog vim li cas cov thickness ntawm raw khoom phaj tsis sib xws los yog txiav me me deviates heev.
(2) Thaum lub zog raug tsis txaus vim kev laus ntawm lub teeb ntawm lub tshuab raug, yog tias lub sij hawm rov qab raug teeb tsa tsis haum rau hom phaj no, cov txheej txheem luam ntawv yuav ua rau muaj teeb meem xws li rub lub hauv qab (underplate printing), ntug ntawm lub phaj luam ntawv yog tsa los yog curled, lub hauv paus poob tawm, lub nyem qhov siab tsis ua raws li qhov yuav tsum tau luam ntawv, tuab los yog nyias nyias. qhov chaw, kab ntev thiab wavy qauv, thiab lwm yam.; Yog tias nws yog qhov txuas txuas tseem ceeb, nws yuav ua rau muaj teeb meem xws li tsis tiav yin kab (overexposure), khoov lossis tsis tiav cov kab zoo (lub sij hawm raug tsis txaus), pinholes, variegated los yog qias neeg luam tawm ntawm daim teb, luam ntawv phaj npoo ua ntej (cov npoo tawv dhau), siab -gloss dots tsis tuaj yeem luam tawm lossis dots yog de.
Thaum cov teeb meem saum toj no tshwm sim, nws yog ib qho tsim nyog yuav tsum kuaj xyuas lub zog ntawm lub teeb ntawm lub tshuab raug lossis hloov lub teeb, thiab tom qab ntawd rov- sim lub ntsiab thiab sab nraub qaum ntawm lub phaj. Raws li tau hais los saum no, nws yog ib qho tsim nyog yuav tsum tau saib xyuas lub zog ntawm lub teeb kom ruaj khov ntawm lub tshuab raug.
(3) Thaum lub sijhawm luam ntawv, cov ntsiab lus tseem ceeb tsis tuaj yeem luam tawm lossis cov dots yog deformed, uas kuj yog CDI laser teeb meem, tsis muaj kev tsom lossis tsis muaj zog, lub sijhawm no, koj yuav tsum ua kom pom tseeb tshawb nrhiav laser focal ntev calibration, engraving zog calibration qauv rau laser zog calibration.
(4) Thaum de-kev kho mob thiab tom qab- kev kho mob raug raug tsis raug, cov teeb meem xws li kev hloov cov cwj mem tsis zoo, cov ntawv luam tawm qias neeg, hnav phaj sai, poob ntawm cov duab kos thiab nplaum ntawm daim hlau luam ntawv yuav tshwm sim thaum lub sijhawm tsim khoom.
Cov saum toj no teev qee qhov teeb meem uas yuav cuam tshuam nrog cov ntawv luam tawm hauv cov txheej txheem tsim khoom, tab sis tsis tau txhais hais tias cov teeb meem saum toj no yuav tsum muaj teeb meem nrog cov ntawv luam ntawv, thiab cov teeb meem tshwj xeeb yuav tsum tau txheeb xyuas. Thaum pom ib qho teeb meem, nws yuav tsum tau soj ntsuam siv txoj kev tshem tawm kom txog thaum lub hauv paus ua rau pom qhov teeb meem.
PART.3 Flexible phaj tshuaj xyuas
Tom qab lub phaj tiav lawm, lub phaj luam ntawv tiav yuav tsum tau kuaj xyuas ua ntej nkag mus rau txheej txheem luam ntawv. Tom qab lub phaj tiav lawm, tus tsim phaj yuav tsum tau soj ntsuam tag nrho cov txheej txheem ntawm lub phaj, xws li xyuas cov ntaub ntawv layout, cov ntaub ntawv cov ntaub ntawv, yin thiab yang kab thiab cov ntawv nyeem, cov dots ywj siab thiab ntev yang kab nyob rau hauv daim duab. Tsis tas li ntawd, nws yog ib qho tsim nyog yuav tsum tau soj ntsuam cov phaj tiav, thiab cov khoom xeem feem ntau suav nrog cov thickness ntawm cov ntawv luam ntawv, lub hauv paus puag, qhov siab ntawm qhov nyem, hardness ntawm lub phaj luam ntawv, thiab lwm yam. lub iav tsom iav kom saib seb lub cheeb ntawm lwm cov dots ua tau raws li qhov yuav tsum tau ua, thiab cov khoom siv tswj tau pom hauv daim duab 4 tuaj yeem muab ntxiv rau ntawm lub phaj.
Nws yuav tsum raug sau tseg tias thaum tsim kev tshuaj xyuas thiab kuaj cov khoom, lawv yuav tsum tau teeb tsa raws li lub tuam txhab qhov xwm txheej tiag tiag thiab ua kom muaj kev ua tau zoo.
Kab lus no siv cov phaj thermal qhuav- ua cov txheej txheem ua piv txwv los tshuaj xyuas cov phaj luam ntawv hloov pauv tau- ua cov txheej txheem, teeb meem tshwm sim, thiab cov ntsiab lus tseem ceeb. Lwm cov ntaub ntawv, xws li cov kuab tshuaj-raws li lossis dej- cov phaj ntxuav, feem ntau zoo sib xws hauv cov txheej txheem tswj. Nws cia siab tias qhov kev sib koom ntawm tsab xov xwm no tuaj yeem pab cov tuam txhab sib raug zoo. Nws yuav tsum raug sau tseg tias cov tuam txhab luam ntawv sib txawv yuav tsum tsim cov kev tswj hwm tsim nyog rau lawv tus kheej lub tuam txhab raws li cov phaj sib txawv - ua cov txheej txheem, tshwj xeeb tshaj yog thaum tsim cov cim tshuaj ntsuam xyuas, nws yog ib qho tsim nyog yuav tau xav txog kev ua haujlwm yooj yim. Tsis tas li ntawd, cov khoom siv yuav tsum tsis tu ncua, cov ntaub ntawv yuav tsum tau khaws cia, uas yog qhov zoo rau kev taug qab.