Tshwm sim los ntawm cov xim txawv ntawm qhov chaw xim xim thaum lub sijhawm luam ntawv
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 khoom ntawv, cov ntawv me, cov ntawv nplaum, tag nrho hom tshwj xeeb ntawv xim luam tawm khoom, kev ua si cardand li ntawd.
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Hauv kev luam ntawv, muaj ntau ntau yam uas ua rau cov xim txawv ntawm qhov xim muaj xim xim uas yuav tsum tau ua. Cov hauv qab no yog sib tham nyob hauv qab no.
1. Cov nyhuv ntawm daim ntawv rau xim
Cov cawv ntawm daim ntawv ntawm cov xim ntawm tus number case txheej yog feem ntau thas hauv peb yam.
(1) Cov ntawv dawb: Cov ntaub ntawv uas muaj cov xim dawb (los yog ib qho xim) muaj cov teebmeem txawv ntawm cov xim ntawm cov lej ntawm cov ntawv luam tawm. Rau tib hom ntawv dawb daim ntawv, lub ntsiab lus yog txawv. Qhov txawv ntawm cov ntawv luam tawm ntawm cov lauj kaub uas muaj feem ntau ntawm cov zauv dub ntawm cov zauv dub, tshwj xeeb tshaj yog rau cov xim uas muaj 70 los yog ntau dua, cov nyhuv yog cuab kev tshwj xeeb, uas ua rau cov xim muaj xim. Qhov piv nws txawv heev. Yog li ntawd, nyob rau hauv cov ntaub ntawv tiag tiag, daim ntawv nrog cov xim dawb tib si yuav tsum tau siv ntau li ntau tau kom txo tau tus cawv ntawm daim ntawv dawb ntawm cov ntawv luam tawm xim.
(2) Absorptivity: Thaum tus tib tus cwj mem muab luam tawm rau ntawm daim ntawv nrog absorbency sib txawv nyob rau hauv tib yam kev mob, nws yuav muaj ntau yam lus ci. Cov qauv ntawm daim ntawv txiav txim tias qhov muaj cov lus tsis zoo thiab cov pores uas tsim los ntawm daim txiag ntoo nyob rau ntawm daim ntawv. Yuav kom ua tiav txoj kev sib haum thiab smoothness ntawm daim ntawv nto, nws yog ib qho siv rau ntau cov thicknesses ntawm cov xim rau ntawm daim ntawv. Qhov xwm txheej thiab txheej txheem ntawm txheej coating seb lub peev xwm ntawm daim ntawv deg kom nqus tau kua. Qhov txawv ntawm qhov peev xwm ua kom haum yuav tsum muaj qhov sib txawv hauv cov xim ntawm cov ntawv luam tawm cov lej. Cov ntawv tsis-coated Piv nrog cov ntawv coated, dub dub plhaub txheej yuav tshwm tuaj grey thiab npub, thiab xim pleev xim txheej yuav txav, thiab xim ntawm cyan number case thiab magenta number yuav yog cov cuab kev tshaj plaws.
(3) Gloss thiab smoothness: Lub gloss ntawm cov ntawv luam yuav yog nyob ntawm qhov ci thiab smoothness ntawm daim ntawv. Qhov saum npoo ntawm ntawv luam tawm yog ib qho chaw seem ntawm ib sab, tshwj xeeb tshaj yog daim ntawv.
Hauv cov xim luam yeeb, thaum lub teeb pom tshwm nyob rau ntawm daim ntawv ntawm ib qho xwm txheej ntawm 45 °, kwv yees li 4% ntawm lub teeb pom zoo. Qhov no yog thawj txheej ntawm lub teeb pom kev. Qhov teeb meem ntxiv ntawm lub teeb kis tau los ntawm cov ink tab thiab xaiv xyaw nrog absorbed ntawm tus cwj pwm, thiab tom qab ntawd thim rov qab los ntawm tus number case los nkag rau tib neeg lub qhov muag thiab pom tau los ntawm tib neeg qhov muag. Qhov no yog xim peb saib. Yog hais tias gloss thiab smoothness ntawm daim ntawv yog siab, lub teeb reflected nyob rau saum npoo ntawm thawj txheej yog specularly reflected thiab tsis yooj yim nkag mus rau tib neeg lub qhov muag. Cov xim uas tau pom ntawm lub sij hawm no yog qhov xim xim ntawm lub plhaub txheej. Yog hais tias qhov saum npoo ntawm daim ntawv yog ntxhib thiab qhov ci ntsa iab qis, qhov sib npaug ntawm qhov txheej ntawm thawj txheej yuav txawv ntawm qhov teeb meem. Lub sijhawm no, cov xim uas peb pom yog qhov sib xyaw xim ntawm lub ntsiab xim thiab lub teeb pom kev ntawm lub npoo ntawm thawj txheej. Txij thaum lub teeb dawb teeb uas muaj nyob rau hauv, lub teeb ntawm lub teeb xim loj yog qhov qis, kom cov xim pom tau tias yog lub teeb pom kev, thiab qhov nqi qis yog qis thiab qhov ci ntsa iab dua thaum ntsuas los ntawm densitometer.
2. Cov nyhuv ntawm kev kho rau saum npoo xim
Cov txheej txheem deg ntim tshuaj ntawm cov khoom ntim feem ntau yog cov yeeb yaj kiab (cov xim qaim, cov yeeb yaj kiab duab), glazing (npog vanish, matt roj, UV varnish). Tom qab cov chaw no kho, cov luam tawm yuav muaj kev sib txawv ntawm kev hloov hawj thiab kev hloov xim. Cov kev hloov no raug faib ua lub cev thiab kev hloov tshuaj. Cov kev hloov ntawm lub cev yog tau pom los ntawm qhov kev nce qib ntawm qhov kev xav thiab qhov sib txawv ntawm qhov khoom, uas muaj qee yam cawv rau ntawm qhov xim tawv. Thaum lub teeb pom kev zoo, cov kua roj vanish thiab cov UV roj them, cov xim xim nce; thaum matte zaj duab xis los yog matt roj thov, colour density yog qis. Cov tshuaj hloov tau los ntawm ntau yam organic solvents hauv cov roj hmab txheej, UV cov roj roj thiab UV roj, uas hloov cov xim ntawm cov ntawv luam tawm txheej txheej.
3. Cov nyom ntawm tus neeg sawv cev ntawm tus neeg sawv cev ntawm xim
Tus neeg saib xyuas lub teeb pom kev zoo yog xim tsis muaj xim nyob hauv daim ntawv ntawm ib qho muab tshuaj, uas yog lub luag haujlwm hauv qhov xim xim nqaij tawv. Tus nqi ntawm tus neeg sawv cev ntxiv yog txawv, thiab cov nyhuv ntawm cov Hawj txawm txawv, tshwj xeeb tshaj yog cov xim xiav yog qhov cuab kev tshaj plaws.
Nyob rau hauv tus txheej txheem ntawm kev npaj cov xim muaj xim, tus cwj mem thiab tus cwj pwm tshuab luam yeeb ua rau qis qis zog thiab siab ntawm tus cwj mem dua ntawm lub tshuab luam ntawv. Nws tsis tas yuav ntxiv ib tus neeg saib xyuas lub teeb tawm thaum lub sij hawm luam ntawv, tab sis tsuas yog thaum tus cwj pwm txo cov xim uas muaj kev sib txuas nrog cov neeg ua hauj lwm rau lub teeb pom kev tuaj yeem tuaj yeem tsim tau ib qho chaw xim xim xim xim npav xim. Nyob rau hauv cov ntaub ntawv ntawm tib xim xim, cov xim ntawm lub xim card thiab cov teeb meem luam yog chromatic aberration. Qhov no yog vim hais tias qhov sib ntxiv ntawm cov etchant hloov lub xeev tis ntawm cov xim hauv cov cwj mem, kom lub absorption, refraction thiab reflection ntawm tus cwj pwm tuaj. Qhov hloov, thiab yog li lub chromatic aberration, uas yog tshwm sim los ntawm qhov sib txawv hauv lub system.
4. Cov nyhuv ntawm qhov sib txawv ntawm cov ntaub qhwv qhuav qhuav
Tsuas muab luam tawm, tus number case yog tseem nyob hauv lub xeev ntub, thiab muaj qhov sib txawv ntawm lub xeev qhuav. Qhov tshwm sim hais tias qhov ntub xim ceev ntim ntau dua li ntawm cov xim qhuav ntom yog hu ua qhov rov qab qhuav ceev tshwm sim. Qhov no yog vim hais tias tus number case layer cia li luam tawm muaj qee yam khoom txaus siab, yog li cov saum npoo seem ntawm qhov tseem ceeb ntawm kev xav, uas zoo nkaus li ci ntsa iab thiab siab zoo. Thaum lub plhaub taum plauv nyob rau hauv lub xeev qhuav, qhov sib txawv ntawm qhov saum toj no mas diffuse reflection, thiab cov xim yog qhov duller dua thaum nws cia li luam tawm.
Vim tias cov xim qhuav feem ntau ntsuas tom qab so kom txog li 30 mus rau 60 feeb, qhov no ua rau nws nyuaj rau kev ntsuas thiab tswj qhov nqaij tawv xim ceev.
Lub densitometer nrog lub tshuab ntaus ntawv tuaj yeem tshem tawm lub teeb uas tau tshwm sim los ntawm cov zauv ntawm cov zauv ntawm cov lej ntawm txheej, thiab cov ntsuas ntub feem ntau yog nyob ze ntawm qhov qhuav ntom ntom nti, kom qhov ntsuas qhov ntsuas tsis cuam tshuam los ntawm ntub thiab qhuav ntawm tus number case txheej. Rau cov ntawv coated, qhov sib txawv ntawm qhov ntsuas ceev yog 0.05 txog 0.15, thiab qhov sib txawv ntawm qhov ntsuas ntawm cov ntawv tsis-coated yog 0.1 mus 0.2. Qhov xim txawv yog txawv rau cov xim sib txawv, qhov sib txawv daj yog qhov tsawg tshaj plaws, dub yog qhov loj, thiab xiav thiab liab yog qhov chaw nyob nruab nrab. Vim li no, thaum ntsuas nrog tus densitometer, tus nqi ntsuas yuav tsum tsim nyog siab dua tus nqi ntawm tus qauv xim coj los ua tus tswj tuav lub luag haujlwm.
5. Kev hloov ntawm qhov txawv ntawm qhov system
Cov txheej txheem ntawm kev tsim daim npav xim nrog tus lej cim thiab tus xaj xo lo yog ib qho "qhuav luam ntawv" txheej txheem, tsis muaj kev koom tes dej, thiab luam ntawv yog "txheej txheem luam ntawv", thiab cov kua ua kua dej ua ke hauv kev luam ntawv, yog li number case yuav tsum tau generated hauv lub offset printing. Cov txheej txheem emulsification ntawm cov dej hauv qab no, lub cim cov xaim emulsified hloov lub xeev ntawm cov xim pigment hauv tus number case, thiab qhov txawv ntawm qhov txawv yog qhov tsim ua, thiab cov ntawv luam tawm yuav tsaus thiab tsis ci.
Tsis tas li ntawd, qhov ruaj ntseg ntawm tus cwj mem xaj uas siv los pleev xim rau qhov chaw xim, lub thickness ntawm tus number case, qhov tseeb ntawm tus cwj mem kua hnyav, qhov qub thiab tshiab txawv hauv cov number case ntawm thaj chaw luam ntawv, tus ceev ntawm lub tshuab luam ntawv , thiab tus nqi ntawm cov dej thov thaum lub sij hawm luam ntawv yuav muaj nyias chromatic aberrations. Qhov cuam tshuam.