High- and high-density printing plates, inks thiab printing conditions
Peb yog ib lub tuam txhab luam ntawv loj hauv Shenzhen Tuam Tshoj. Peb muaj cov phau ntawv luam tawm, phau ntawv xov xwm luam ntawv, phau ntawv luam ntawv, phau ntawv nyuaj, phau ntawv luam tawm, phau ntawv luam tawm, phau ntawv luam tawm, lub thawv ntim, daim qhia ntawv, txhua yam ntawm PVC, cov ntawv luam tawm, ntawv sau cia, hom tshwj xeeb ntawv xim luam tawm khoom, kev ua si cardand li ntawd.
Yog xav paub ntxiv, thov mus saib
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Nyob rau hauv cov ntaub ntawv ntawm kev luam tawm high-txhais, cov nqi ntawm cov ntaub ntawv rau ib thaj chaw muaj peev xwm yuav nce kom txo tau qhov muaj cov pob zeb thiab moiré ntawm cov phaj pa ua. Ntxiv rau qhov ua kom cov haujlwm nce thiab ua kom cov duab ntau dua, qhov kev luam ntawv zoo dua rau kev luam ntawv. Ua lwm yam lus, los ntawm kev kawm cov tshuab qib high-theem, nws tau ua tus qauv rau kev luam ntawv zoo hauv cov hnub nyoog digital.
1 siab txhais txhais
1) Cov nta ntawm kev luam ntawv siab
Feem ntau, ib daim ntawv sau muaj txog ntawm 300 lpi los yog tshaj ntawd raug xa mus ua ib qho kev txhais tawm siab.
Qhov sib txawv ntawm qhov siab tshaj ntawm kev txhais tau thiab cov luam tawm tsis zoo yog qhov txawv ntawm qhov kev ntsuas dot. Piv txwv, ntawm qhov tseeb ntawm 175 lpi, qhov 50% ntawm qhov nyiaj tau nce yog li 15%; ntawm 600 lpi cov lus tseeb, qhov 50% ntawm qhov nyiaj tau nce yog ze rau 30%. Yog li ntawd, nws yog ib qho teeb meem ntawm cov txheej txheem los mus kho cov hauj lwm rau kev txiav txim siab ua qhov loj ntawm kev sib cais. Yuav ua li cas tswj tus expansion ntawm outlets ntawm luam ntawv tseem yog ib feem tseem ceeb ntawm kev txiav txim siab qhov zoo ntawm printing. Tsis tas li ntawd, sab ntev ntawm 600 lpi highlight qhov dot yog tsuas 6 μm nrog rau sab ntev ntawm 20 μm ntawm 175 lpi qhov tseem ceeb. Yuav ua li cas los tswj cov kev luam ntawm 6 μm me me dots, phaj txiav, xim sib cais, thiab luam ntawv tej yam tseem ceeb.
2) Daim phiaj xwm loj heev
Feem ntau siv cov ntawv luam tawm tau muab faib ua dej PS daim hlau thiab anhydrous silicone rubber daim hlau. Los ntawm qhov kev pom ntawm qhov nthuav ntawm qhov teev, txij li cov dej tsis pub dawb yog lub rooj sib haum tiaj tiaj tiaj, cov ntawv teev qhia txhua yam ntawm cov ntawv xov xwm thiab daim pam yog tsawg dua, cov kev tu tub tu kiv ua haujlwm zoo heev, thiab tsim nyog rau High-txhais luam ntawv yog qhov zoo. Txawm li cas los xij, tseem muaj chaw rau kev txhim kho hauv kev loj hlob me me vim tias txoj kev loj hlob siv ib qho hnyav los ua kom tshem tawm thiab tsis tshem tawm cov khoob (zoo qauv) ntawm cov txheej txheem silica gel.
Cov dej PS phaj yog ib lub rooj sib tiaj tiaj (flat-convex plate), yog li cov kws kho dua tshiab tuaj yeem muaj ntau, thiab nyob rau hauv kev sib koom tes ntawm dampening tov rau cov yam ntxwv ntawm emulsification ntawm tus cwj pwm, nws yuav muaj kev cuam tshuam rau cov laus tu noob. Txawm li cas los xij, plaub feem pua ntawm cov xuab zeb mesh PS version tau kho cov dej khov kho, uas tuaj yeem cuam tshuam qhov nthuav ntawm kev tshaj tawm. Kev ua tiav kev kawm tau zoo dua qub rau qhov PS version yav dhau los.
Hais txog qhov raug phom printing, nws yog qhov tsim nyog yuav tau them sai sai rau kev luam tawm ntawm qhov kev ua haujlwm loj thiab pib dua cov nyiaj. Tus nqi raug mob yuav raug txo kom tsawg dua li qhov qub xwm txheej. Nws kuj yog ib qho yooj yim uas yuav ua rau muaj teeb meem vim muaj hmoov av thaum muaj kev raug mob, thiab yuav tau ua haujlwm ceev.
3) Xim naj npawb loj printing
Qhov tseem ceeb ntawm kev tswj cov txiaj ntsig kev nce siab ntawm qib siab txhais tau luam tawm tau raws li piav saum toj no. Qhov nthuav ntawm high-precision luam tawm cov dots tseem muaj feem rau tus number case uas siv. Tshwj xeeb tshaj yog rau cov dej offset luam, cov ntsiab lus hauv qab no tseem ceeb heev.
1 txhim kho hauv kev ua haujlwm ntawm emulsification.
Thaum twg tus number case yog emulsified tiag, qhov deformation deformation yog mob hnyav heev, qhov loj npaum li cas tus nqi nce, thiab cov luam ntawv zoo dua tuaj yeem txo. Raws li tus lej feem xyuam xim, txoj kev dampening yuav tsum ua kom zoo zoo, thiab tsis muaj "ntshav" tsis ua hauj lwm tshwm sim, thiab cov dej ntau tshaj qhov tsawg dua. Xws li tus number case yog ntshaw. Nws yog ib qho tseem ceeb uas yuav tau xaiv cov phau ntawv thiab cov xim ntawm cov khoom uas muaj lub cev uas muaj feem xyuam rau tus cwj mem kua hauv tus qauv.
2 Tswj cov txiaj ntsig kev nce siab los ntawm kev ntxiv cov ink numberation thiab viscosity.
Yuav kom tswj tau cov dot enlargement los ntawm cov lus qhia ntawm tus number case, nws tsim nyog los nce qhov kev faib ua feem ntawm cov pigment thiab tswj cov xim yam uas xav nrog nrog lub plhaub tawb txheej. Nws tseem yog ib txoj kev zoo los ua kom muaj tus xaim npab ntawm tus cwj mem tsis zoo uas cuam tshuam rau ntawm tus lej hloov.
3 txhim kho cov laub luam ntawv.
Tus thinner rau number case txheej, qhov zuj zus qhov flatness thiab qhov sib txawv hauv cov ntawv luam cov lus, uas yog raws nraim cov lus tshaj tawm ntawm cov nyhuv saum toj no uas ua tus number case concentration. Yog li, thiaj li yuav ua kom cov duab glossiness zoo, nws yog ib qho tseem ceeb uas yuav tsum tau xaiv ib cov pob tshuaj uas muaj cov dej khov thiab cov xim uas muaj lub cev zoo.
4 luam ntawv rau cov qib high definition txhais.
Yuav kom ua siab ntev ua cov ntawv luam tawm siab, nws yog qhov tsim nyog los txo cov dot enlargement los ntawm lub tshuab luam ntawv thiab tswj cov ink number emulsification. Ib qhov teeb meem tseem ceeb yog kev hloov ntawm kev luam ntawv, qhov kub thiab txias ntawm cov cuab yeej, thiab qhov kev txhim kho ntawm cov ciav hlau.
1 ntawm kev tswj luam ntawv.
Dot enlargement tsuas yog tshwm sim thaum lub sij hawm hloov cov ntaub ntawv ntawm cov ntawv luam tawm los ntawm daim ntawv luam tawm rau daim pam. Yog li, yog tias lub siab ntawm daim ntawv luam tawm thiab daim pam loj dhau, qhov nce ntawm qhov teev yuav nce. Nws yog qhov zoo tshaj plaws los kho lub siab ntawm lub phaj thiab daim pam mus txog yam tsawg kawg uas tsis cuam tshuam txog kev hloov pauv mis. Tsis tas li ntawd, koj yuav tsum xaiv ib daim pam nrog cov khoom zoo zawm.
2 kub tswj.
Thaum lub ntsuas kub ntawm lub cuab yeej siab dhau lawm, lub khob ntawm tus cwj mem kua txo zog, yuav ua rau kom muaj qhov nce ntawm qhov ntsuas thiab qhov ua rau lub cev tsis muaj zog. Yog li, qhov kub ntawm cov khoom siv yuav tsum tau ceev ceev los ntawm kev hloov ntawm cov dej txias. Tom qab kub sawv ntawm qhov tsis tov luam ntawv tshuab luam ntawv, nws yog ib qho tshwj xeeb heev rau stickiness thiab ua ib qho tseem ceeb hauv kev cuam tshuam rau qhov zoo.
3 kev tswj ntawm dampening kua.
Thaum twg tus nqi ntawm tus cwj pwm tsis tu ncua thiab cov kua ciav dej ntau zuj zus ntxiv, cov dej ntawm tus cwj mem ntxiv yog nce, thiab vim li ntawd, tus cwj pwm ntawm tus cwj pwm thiab tus cwj pwm hloov khoom siv (concentration) yog txo.
Nyob rau hauv rooj plaub uas dampening tov yog excessively luam, thiaj li yuav cia lub inking concentration tas li, nws yog ib qhov tsim nyog los ua kom cov thickness ntawm tus number case, ua rau qhov nce nyob rau hauv cov dot enlargement piv.
Yog li, thiaj li tswj tau qhov kev nthuav dav heev ntawm cov kev tshaj tawm, cov dej yuav tsum raug txo kom tsawg li tsawg tau. Tsis tas li ntawd, txhawm rau txhim kho cov xim ntawm tus cwj pwm xaws, nws tseem ceeb kom xaiv ib qho chaw tov uas muaj qhov khawm siv.
2 siab ceev printing
1) Cov nta ntawm cov ntaub ntawv siab ceev
Hauv qhov sib txawv ntawm cov xim luam yeeb nrog qhov siab tshaj plaws ntawm 2.0 los yog siab dua, cov xim sib cais ua xim sib cais yog qhov yuav tsum tau ua kom cov kab sib txawv kom thiaj li tuav tau hierarchical luam ntawm qhov tsaus nti. Qhov ntom ntawm cov xim xim tshuaj yog: dub version 2.0 los yog li ntawd; magenta phaj, cyan phaj 1.4 rau 1.5; daj phaj 1.0 los yog li ntawd. High-density printing adjusts qhov xim cais nkhaus kom muaj ntau yam sib ze li ze tau rau qhov ntau ntawm cov xim luam ntawv (2.0). Qhov no yog ib txoj kev los txhawm rau txhim kho peb lub siab thiab cov tuab tuab ntawm cov ntawv.
2) Daws ceev thiab luam ntawv plates
Los ntawm kev ua cov ntaub ntawv zoo, qhov kev nce nqi ntawm lub tshuab luam ntawv yog ntsuas, thiab cov txiaj ntsig tau muab rov qab ua rau lub phaj kom ua tus txheej txheem lub nkhaus. Rau cov ntawv luam cov ntawv xov xwm, ntawm chav kawm, nws yuav tsum tau txo cov nqi dot qhov ua tiav. Yog li ntawd, feem ntau, cov ntawv ceev xwm txheej loj yuav tsum muaj cov yam ntxwv zoo tib yam nkaus li cov ntawv luam tawm high-txhais cov ntawv luam. Dej PS version yuav tsum siv lub phaj nrog kev ua kom dej zoo. Tsis muaj cov watermark yuav tsum xav txog kev ua kom lub thickness ntawm cov silica txheej kom cov concentration ntawm tus number case.
3) Highly density printing number case
Txawm hais tias muaj ntau qhov kev luam ntawv tuaj yeem tau txais cov khoom luam tawm los ntawm kev paub zoo txog kev ua tau zoo, qhov tsis zoo yog qhov dot qhov teeb meem ntawm qhov loj feem nyob hauv daim ntawv nrab ntawm halftone yuav loj, thiab qhov kev tso cai ntawm tus cwj mem ntawv luam tawm ntawm ntau qhov xim feem ntau yog deteriorated (tsis tshua muaj overprinting)), ua ib tug hnov roughness. Hauv particular, thickening ntawm tus number case zaj duab xis promotes turbidity thiab darkening ntawm tus number case. Yog li, ntxiv rau cov tib yam khoom emulsification ruaj khov thiab ntau dua concentration raws li lub siab txhais cov lej luam ntawv, tus number case uas siv los ua kom tiav cov ntsiab lus hauv qab no:
* Txhim kho qhov kev ua haujlwm ntawm tus qauv luam ntawm overprinting
Ua kom cov thickness ntawm tus cwj mem naj npawb zaj duab xis tuaj yeem ua tus nqi zais ntawm tus cwj pwm ntawm txhua qhov xim xim, tab sis tus cwj mem hloov ntawm cov khoom tom qab luam tawm ntawm txoj kev xim xim zuj zus, thiab qhov tsis zoo los ntawm qhov tsis zoo. Yog li, nws yog ib qhov tsim nyog yuav tau kho qhov siab ntawm qhov sib npaug ntawm cov cim ntawm cov xim uas tsis muaj qhov nce qhov kev ntsuas qhov ntsuas.
* Txhim kho qhov vivideness ntawm tus cwj mem
Qhov nce ntawm qhov cwj pwm ntim ua rau tus kabmob txuas loj dua, tshwj xeeb tshaj yog cov xiav kua xim tshwj xeeb heev, uas cuam tshuam rau cov xim ntawm txoj kev xim. Yuav kom tshem tawm qhov dej tob hau kom ntau li ntau tau, nws yuav tsum hloov tus hawj ntawm tus number case.