Printing xim sib lawv liag hais txog qhov kev txiav txim uas txhua xim luam ntawv phaj yog overprinted nrog ib tug xim raws li ib chav tsev nyob rau hauv ntau xim printing.
Piv txwv li: plaub-xim luam ntawv xovxwm los yog ob-xim luam ntawv xovxwm yog cuam tshuam los ntawm cov xim sib lawv liag. Hauv cov lus layman, nws txhais tau hais tias siv cov xim sib txawv ntawm cov xim sib txawv hauv kev luam ntawv, thiab cov txiaj ntsig luam tawm txawv. Qee lub sij hawm luam ntawv xim sib lawv liag txiav txim siab qhov zoo nkauj ntawm cov ntawv luam tawm.
01 Yog vim li cas vim li cas thiaj li luam ntawv xim sib lawv liag yuav tsum tau teem caij
Muaj peb lub laj thawj tseem ceeb vim li cas thiaj li luam ntawv xim sib lawv liag yuav tsum tau npaj:
Qhov laj thawj tseem ceeb tshaj plaws yog qhov tsis tiav pob tshab ntawm cov ntawv luam ntawv nws tus kheej, uas yog, lub hwj chim npog ntawm tus number case nws tus kheej. Tus number case luam tawm tom qab muaj qee qhov cuam tshuam rau ntawm tus number case txheej luam tawm ua ntej, ua rau cov xim ntawm cov ntawv luam tawm ib txwm tsom mus rau txheej tom kawg. Ib qho xim, los yog ib qho sib xyaw ntawm cov xim uas qhia txog cov xim tom qab thiab xim pem hauv ntej.
02 Yam cuam tshuam rau kev luam ntawv xim sib lawv liag
1. Xav txog qhov pom tseeb ntawm tus number case
Lub pob tshab ntawm tus cwj mem muaj feem xyuam nrog lub zog zais ntawm cov xim hauv tus cwj mem. Lub npe hu ua tus cwj mem zais lub hwj chim yog hais txog lub peev xwm npog ntawm cov txheej txheej number case rau hauv qab number case. Yog tias lub hwj chim npog tsis zoo, lub pob tshab ntawm tus number case yuav muaj zog; Yog hais tias lub hwj chim npog muaj zog, lub pob tshab ntawm tus number case yuav tsis zoo. Feem ntau hais lus,inks uas tsis muaj zog zais los yog muaj zog pob tshab yuav tsum tau luam tawm tom qab, yog li ntawd cov luster ntawm cov ntawv luam ntawv pem hauv ntej yuav tsis raug them los pab txhawb kev tsim cov xim.Qhov kev sib raug zoo ntawm cov pob tshab ntawm tus number case yog: Y> M> C> BK.
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2. Xav txog qhov ci ntawm tus cwj mem
Tnws ib tug uas tsis muaj brightness yog luam ua ntej, thiab ib tug uas muaj brightness yog luam tawm kawg, uas yog, ib tug nrog dub number case yog luam tawm ua ntej, thiab ib tug nrog lub teeb number case yog luam tawm kawg. Vim tias qhov siab dua qhov ci ntsa iab, qhov siab dua qhov cuam tshuam thiab qhov ci ntsa iab ntawm cov xim pom. Ntxiv mus, yog hais tias lub teeb xim yog overprinted ntawm ib tug maub xim, me ntsis overprinting inaccuracy yuav tsis pom heev. Txawm li cas los xij, yog tias xim tsaus yog overprinted ntawm lub teeb xim, nws yuav raug pom tag nrho.Feem ntau, kev sib raug zoo ntawm qhov ci ntawm tus number case yog: Y> C> M> BK.
3. Xav txog tus number case kom qhuav ceev
Cov uas ua kom qhuav nrawm yog luam tawm ua ntej, thiab cov uas muaj qhov ziab kom qhuav nrawm yog luam tawm kawg.Yog tias koj luam tawm sai sai ua ntej, rau ib lub tshuab xim ib leeg, vim nws ntub thiab qhuav, nws yooj yim rau vitrify, uas yog tsis conducive rau fixation; rau lub tshuab ntau xim, nws tsis yog tsuas yog tsis tsim nyog rau overprinting ntawm number case txheej, tab sis kuj yooj yim ua rau lwm yam tsis zoo, xws li Dirty backside thiab lwm yam.Qhov kev txiav txim ntawm tus number case qhuav ceev: daj yog 2 zaug sai dua liab, liab yog 1 zaug sai dua cyan, thiab dub yog qhov qeeb tshaj plaws.cov
4. Xav txog cov khoom ntawm daim ntawv
① Nto lub zog ntawm daim ntawv
Daim ntawv saum npoo lub zog yog hais txog lub zog sib txuas ntawm cov fibers, fibers, roj hmab thiab cov khoom ntim rau ntawm daim ntawv. Qhov ntau dua qhov sib khi quab yuam, qhov siab dua lub zog saum npoo. Hauv kev luam ntawv, nws feem ntau ntsuas los ntawm qib ntawm cov hmoov tshem tawm thiab lint poob ntawm daim ntawv. Rau cov ntawv uas muaj lub zog zoo, uas yog, muaj zog sib txuas thiab tsis yooj yim rau tshem tawm cov hmoov los yog lint, peb yuav tsum luam tus number case nrog siab viscosity ua ntej. Tus cwj mem uas muaj viscosity siab yuav tsum tau luam tawm hauv thawj xim, uas yog qhov zoo rau kev luam tawm. cov
②Rau daim ntawv nrog zoo dawb, cov xim tsaus yuav tsum tau luam tawm ua ntej thiab tom qab ntawd xim xim.cov
③Rau cov ntawv ntxhib thiab xoob, luam cov xim xim ua ntej thiab tom qab ntawd xim tsaus.
5. Xav txog ntawm qhov hluav taws xob qhov chaw nyob tus nqi
Cov chaw me me tau luam tawm ua ntej, thiab cov dot loj dua yuav luam tawm tom qab.Cov duab luam tawm nyob rau hauv txoj kev no yog nplua nuj nyob rau hauv cov xim thiab ntau yam txawv, uas kuj muaj txiaj ntsig zoo rau kev tsim cov dot. cov
6. Xav txog cov yam ntxwv ntawm cov ntawv sau nws tus kheej
Feem ntau hais lus, cov khoom qub tuaj yeem muab faib ua cov qauv sov-tones thiab cov qauv txias-toned. Rau cov ntawv sau nrog cov tones sov, dub thiab cyan yuav tsum tau luam tawm ua ntej, thiab tom qab ntawd magenta thiab daj; rau cov ntawv sau nrog cov suab txias tshwj xeeb, magenta yuav tsum tau luam tawm ua ntej, thiab tom qab ntawd xim dub thiab xiav. Qhov no yuav qhia txog cov xim tseem ceeb kom meej meej. cov
7. Xav txog cov khoom siv kho tshuab
Txij li cov qauv ntawm cov tshuab luam ntawv offset txawv, lawv cov txheej txheem overprinting thiab cov teebmeem kuj muaj qee qhov sib txawv. Peb paub tias lub tshuab monochrome yog ib daim ntawv "ntub ntawm qhuav" overprinting daim ntawv, thaum lub tshuab ntau xim yog "ntub ntawm ntub" thiab "ntub ntawm qhuav" overprinting daim ntawv. Lawv overprinting thiab overprinting teebmeem kuj tsis raws nraim.Feem ntau cov xim sib lawv liag ntawm lub tshuab monochrome yog: luam daj ua ntej, ces luam magenta, cyan thiab dub feem.
03 Lub hauv paus ntsiab lus uas yuav tsum tau ua raws li kev luam ntawv xim
Kev luam ntawv xim raws li yuav cuam tshuam ncaj qha rau qhov zoo ntawm cov khoom luam tawm. Txhawm rau kom tau txais cov txiaj ntsig zoo dua qub, cov hauv qab no yuav tsum ua raws li:
1. Npaj cov xim sib lawv liag raws li qhov ci ntsa iab ntawm peb xim thawj
Qhov ci ntsa iab ntawm peb cov xim thawj xim yog tshwm sim nyob rau hauv spectrophotometric nkhaus ntawm peb lub xim xim inks. Qhov siab dua qhov kev cuam tshuam, qhov ci ci ntawm tus number case ntau dua. Yog li ntawd, lub brightness ntawm peb lub hauv pausxim inks yog:yellow>cyan>magenta>dub.
2. Teem cov xim sib lawv liag raws li qhov pom tseeb thiab zais lub zog ntawm peb lub cim xim xim
Lub pob tshab thiab zais lub zog ntawm tus number case yog nyob ntawm qhov sib txawv ntawm qhov ntsuas refractive ntawm cov xim thiab cov binder. Inks uas muaj zog zais khoom muaj kev cuam tshuam ntau dua rau cov xim tom qab overlaying. Raws li tom qab luam tawm xim overlay, nws yog ib qho nyuaj los qhia cov xim kom raug thiab tsis tuaj yeem ua tiav cov xim zoo sib xyaw. Yog li ntawd,tus number case uas tsis pom zoo yog luam tawm ua ntej, thiab tus number case uas muaj zog pob tshab yog luam tawm tom qab.
3. Npaj cov xim sib lawv liag raws li qhov loj ntawm qhov chaw dot
Feem ntau,cov chaw me me yog luam tawm ua ntej, thiab cov dot loj dua yuav luam tawm tom qab.
4. Npaj cov xim sib lawv liag raws li tus yam ntxwv ntawm tus thawj
Txhua phau ntawv muaj cov yam ntxwv sib txawv, qee qhov sov thiab qee qhov txias. Nyob rau hauv cov xim sib lawv liag, cov uas muaj cov tones sov yog luam tawm thawj zaug nrog dub thiab cyan, ces liab thiab daj; cov uas feem ntau txias tones yog luam nrog liab ua ntej thiab ces cyan.
5. Npaj cov xim raws li cov khoom siv sib txawv
Feem ntau hais lus, cov xim xim luam ntawv ntawm ib lub tshuab xim ib leeg lossis ob lub xim yog xws li lub teeb thiab tsaus xim alternate nrog ib leeg; lub tshuab luam ntawv plaub-xim feem ntau luam cov xim tsaus ua ntej thiab tom qab ntawd cov xim ci.
6. Npaj cov xim raws li cov khoom ntawm daim ntawv
Lub smoothness, whiteness, nruj thiab nto zog ntawm daim ntawv yog txawv. Daim ntawv tiaj tus thiab nruj yuav tsum tau luam tawm nrog cov xim tsaus ua ntej thiab tom qab ntawd cov xim ci; Cov ntawv tuab thiab xoob yuav tsum tau luam tawm nrog cov xim daj daj ua ntej thiab tom qab ntawd xim tsaus vim tias cov xim daj tuaj yeem npog nws. Cov ntawv tsis xws li ntawv fluff thiab plua plav poob.
7. Npaj cov xim raws li kev ua kom qhuav ntawm tus number case
Kev xyaum tau ua pov thawj tias tus number case daj dries ze li ob zaug sai li magenta number case, magenta number case dries ob zaug sai li cyan number case, thiab cov number case dub muaj qhov kho qeeb tshaj plaws. Slow-drying inks yuav tsum tau luam tawm ua ntej, thiab cov inks ceev ceev yuav tsum tau luam tawm kawg. Txhawm rau tiv thaiv vitrification, ib leeg-xim tshuab feem ntau luam tawm daj ntawm qhov kawg kom yooj yim kom qhuav sai ntawm cov conjunctiva.
8. Npaj cov xim sib lawv liag raws li lub tiaj tiaj thiab daim teb
Thaum daim ntawv theej muaj lub vijtsam tiaj tus thiab lub ntsej muag zoo, txhawm rau ua tiav kev luam ntawv zoo thiab ua kom cov khoom nto tiaj tus thiab cov xim xim xim ci thiab tuab,lub tiaj tus duab kos duab thiab cov ntawv nyeem feem ntau luam tawm ua ntej, thiab tom qab ntawd cov qauv tsim tau luam tawm.
9. Txheeb cov xim raws li lub teeb thiab tsaus xim
Txhawm rau ua kom cov ntawv luam tawm muaj qee yam gloss thiab luam tawm xim xim, cov xim tsaus yog luam tawm ua ntej, thiab tom qab ntawd cov xim lub teeb raug luam tawm.
10. Rau cov khoom siv toj roob hauv pes, cov duab cyan thiab cov ntawv nyeem yog ntau dua li cov magenta version.Raws li lub hauv paus ntsiab lus ntawm post-printing xim version nrog ib tug loj daim duab thiab cov ntawv nyeem, yog tsim nyogsiv dub, magenta, cyan, thiab daj nyob rau hauv ib theem zuj zus.
11. Cov khoom siv nrog cov ntawv thiab cov khib nyiab dub feem ntau siv cyan, magenta, daj, thiab dub sib lawv liag, tab sis cov ntawv dub thiab cov qauv tsis tuaj yeem luam tawm ntawm cov khoom daj, txwv tsis pub rov qab luam tawm yuav tshwm sim vim qhov qis viscosity ntawm tus number case daj thiab cov viscosity siab ntawm cov xim dub. Yog li ntawd, cov xim dub tsis tuaj yeem luam tawm lossis luam tawm tsis raug.
12. Rau cov duab nrog ib tug me me plaub-xim overprint cheeb tsam, cov xim ib theem zuj zus tuaj yeem txais yuav lub hauv paus ntsiab lus ntawm kev luam ntawv tom qab xim phaj nrog ib daim duab loj thiab cov ntawv nyeem.
13. Rau cov khoom kub thiab nyiaj, txij li qhov adhesion ntawm tus number case kub thiab nyiaj number case yog me me, tus number case kub thiab nyiaj yuav tsum muab tso rau hauv cov xim kawg kom ntau li ntau tau. Feem ntau, nws tsis pom zoo kom siv peb pawg ntawm inks rau luam ntawv.
14.Cov xim sib lawv liag ntawm kev luam ntawv yuav tsum zoo ib yam li qhov ua tau nrog cov xim sib lawv liag ntawm kev pov thawj, txwv tsis pub nws yuav tsis tuaj yeem ntes nrog cov txiaj ntsig ntawm kev pov thawj.
Yog tias nws yog 4-xim tshuab luam ntawv 5-xim txoj haujlwm, koj yuav tsum xav txog qhov teeb meem ntawm imprinting lossis overprinting. Feem ntau, cov xim overprinting ntawm qhov chaw tom yog qhov tseeb dua. Yog hais tias muaj overprinting, nws yuav tsum tau daig, txwv tsis pub lub overprinting yuav tsis raug thiab nws yuav yooj yim xau tawm.
Post lub sij hawm: Jan-08-2024
