Ob Hom Xim Xim Phenomenon Koj Yuav Tsum Paub Txog Ntim Printing

Qhov teeb meem ntawm cov xim sib txawv ntawm cov pob ntawv teeb meem tau plagued cov neeg ua haujlwm luam ntawv. Qhov teeb meem ntawm cov xim sib txawv muaj peev xwm tswj tau. Nws yog ib qho kev ntsuas ntawm lub tuam txhab cov khoom zoo, lub koob npe nrov thiab tawm kev txawj ntawm cov tswv lag luam. Yog li ntawd, Cov tuam txhab teeb meem yuav tsum them nyiaj rau.

Luam cov xim yog muab faib ua ob qho xwm txheej, ib qho txhais tau tias: tib cov khoom siv xim, tab sis nrog rau xim ntawm cov qauv xim. Ob tug hais txog: cov khoom siv tib yam xim muaj xim, thiab qee yam nrog cov qauv, tab sis qee qhov tsis sib haum nrog cov qauv.

Tam sim no los ntawm cov nram qab no peb xav tham thiab sojntsuam nrog koj.

Ua ntej, thawj tshwm sim (tib cov khoom ntawm cov khoom ntawm tib xim, tab sis nrog cov xim ntawm cov qauv xim)

1, tib neeg yam tseem ceeb:

Thiab tus tus tauj ncov loj tus tawm kev qib tsis muaj dab tsi ua, tab sis nrog tus thawj coj ntawm lub luag hauj lwm ntawm lub luag hauj lwm, vim hais tias tib cov khoom ntawm cov khoom xim yuav zoo sib xws, qhia tias tus tus thawj coj tus tawm kev qib tsis tsawg, tab sis vim li cas inconsistent nrog cov qauv twv tw sau Thawj kos npe rau nws? Qhov no yog lub luag hauj lwm ntawm tus tus tauj ncov loj. (Tsis pub nws cais qhov kos npe yuam kev, yog tias nws yog, qhov no yog qhov qub ntxiv rau qhov kev xav ntawm lub luag haujlwm).

2, ntawv xim:

Cov ntawv sib txawv ntawm qhov sib txawv muaj qhov sib txawv ntawm cov xim li ntawm cov ntawv luam tawm ntawm nplooj ntawv. Vim tias cov xim dawb yog xim dub, xim liab, xiav lossis xim daj hauv npau suav, yog li nyob rau hauv printing txawm tias tus nqi ntawm tus lej, Hawj txawm tsis tau hloov, tiam sis qhov tseeb ntawm tus cwj pwm muaj qee qhov kev kaj, cov nyhuv ntawm cov xim ntawv Sib txawv tshwm sim, ua rau muaj xim txawv. Hauv qhov qhib, koj yuav tsum siv tib daim ntawv ntau heev. Vim tias qhov hnyav, qhov loj, me me, loj npaum li cas, tiam sis cov khoom sib txawv ntawm ntau lub sijhawm, cov xim ntawm cov ntawv yuav muaj qee qhov sib txawv, uas ua rau cov xim ntawm cov khoom xim. Li ntawd, koj yuav tsum siv tib daim ntawv dawb raws li tib cov khoom muag ntawv.

3, ntawv gloss thiab smoothness:

Lub gloss ntawm cov ntawv luam yuav yog nyob ntawm qhov ci thiab smoothness ntawm daim ntawv. Cov tawv xim luam tawm yog qhov teeb meem ntawm lub teeb ntawv, lub teeb ci ntsa iab reflected rau tib neeg qhov muag retina, los ntawm lub hlwb cov teeb pom kev zoo kom txais cov photosynthesis thiab pom cov xim. Yog hais tias gloss thiab smoothness ntawm daim ntawv yog siab, cov xim peb saib yog cov xim uas yog reflected ntawm tus number case, thiab lub ntsiab xim lub teeb siab saturation siab. Yog hais tias daim ntawv npo paug, qis gloss, nws yuav muaj qhov sib txawv ntawm lub cev, nws yuav txo qhov teeb meem ntawm lub ntsiab xim, thiaj li tias peb qhov muag tib neeg xav tias cov xim ntawm cov ntawv zoo li sib zog. Tib qhov cwj pwm ntim cwj pwm yog ntsuas nrog densitometer. Smoothness Glossy ntawv, siab ceev. Smoothness Daim ntawv gloss tsis tshua muaj density.

4, luam daim ntawv ntom tshuaj:

Luam tawm los ntawm cov yeeb yaj duab, polishing, calendering, tshaj cov roj, luam ntawv thiab lwm qhov kev kho cov ntom, yuav muaj kev sib txawv ntawm Hawj txawm hloov. Qee qhov kev hloov no yog hloov lub cev, qee cov kev hloov tshuaj. Cov kev hloov hauv lub cev yog feem ntau tshwm sim nyob rau hauv cov khoom nto nce cov qauv kev xav, uas muaj ib qho kev cuam tshuam rau xim xim. Piv txwv, cov yeeb yaj kiab ua, UV varnish, calendaring, thiab lwm yam., Cov xim xim yuav nce. Sub-sub-zaj duab xis, matte xim luam tawm ntawm qhov txo ntawm cov xim cens. Tshuaj hloov tau tsuas yog los ntawm kua nplaum, kua roj vanish, roj av UV thiab lwm yam. Cov ntaub ntawv no muaj ntau cov tshuaj muaj kuab, txhua yam uas ua rau muaj xim hloov ntawm cov xim ntawm tus cwj mem. Yog li ntawd, raws li lub hnab ntim offset printing, cov txheej txheem luam ntawv yog tias muaj kev tshaj tawm tom qab, cov kev hloov ntawm lub cev thiab tshuaj tom qab luam ntawv yuav tsum raug coj mus rau hauv tus account los txiav txim siab txog cov ntawv luam ntim ntawm cov ntawv luam tawm thiab cov kev txaj.

5, qhov ceev ntom ntu:

Cov khoom muag offset luam tawm tom qab luam ntawv, tus number case yog tseem nyob rau hauv lub xeev ntub, ces qhov ntsuas qhov ntsuas thiab ntsuas tus nqi tom qab ziab cov ntawv ceev sib txawv. Ntub high ntom ntom nti, qhov ceev ntom ntuag tsawg tsawg, qhov no yog qhov tshwm sim ntawm kev lag luam ntawm sab nraum qab. Qhov no yog vim hais tias tus number case yog luam tawm muaj qee theem ntawm qib siab. Kev ua tau zoo ntawm qhov chaw ntawm daim iav-raws li, zoo nkaus li muaj yeeb yuj, ci zoo. Thaum lub plhaub (ink) txheej qhuav, lub qhov dej khov lawm, qhov lus ci yeej loj dua li thaum luam tawm. Hauv kev luam tawm li niaj zaus los xyuas kom meej tias cov khoom ua haujlwm kom ntau li ntau tau kom txo tau cov xim, peb siv tib txoj kab ntub ntom ntom ntom tshuaj kom tswj tau. Uas yog, thawj zaug qhov khoom yog ntub, nws tau kos npe los ntawm tus neeg muas zaub thiab tam sim ntawd pom zoo nrog ntsuas tus nqi ntawm qhov ntub ceev thiab tus nqi ntawm L * a * b *. Tom qab luam cov khoom (ntub lub xeev), raws li thawj ntsuas ntav thiab L * a * b * tus nqi rau kev tswj xim. Ntawm chav kawm, yog tias siv lub densitometer nrog lub tshuab ntaus ntawv, nws tuaj yeem tshem tawm ntawm cov zauv ntawm cov lej txheej vim ntawm lub ntsej muag ntawm lub teeb. Nws ntsuas cov ntub ntub thiab qhuav ceev yog qhov zoo, tab sis kuj tuaj yeem pab txo cov kev tswj ntawm cov xim.

6, luam ntawv siab:

Kev luam ntawv siab yog ib qho ntawm cov cwj pwm hloov cwj pwm, vim hais tias daim ntawv phom ntsa, daim pam, thiab lwm yam tsis tuaj yeem ua ncaj nraim, daim nplais ntawm daim ntawv yog qhov tsis tshua muaj kev sib txoos lossis tsis sib luag. Yog tias lub tshuab luam ntawv tsawg dua los sis tsis sib luag, lub plev txheej xwm tseem yog qhov tshwm sim ntawm kev tsis sib xws, qhov no yuav tsum ua kom tiav "peb lub tiaj", uas yuav tsum muaj cov ntawv xov xwm ntim, daim pam thiab cov nplais thiab lub nplhaib kom ua tiav ib Cov Laj Cov Laj Cov Laus, kom thev plaub ntawm cov lej ntawm lub luam tawm kom tau luam tawm ntawm cov ntawv luam kom tau ib qho xim zoo dua qub.

Thaum lub tshuab luam ntawv tsis txaus los sis tsis sib haum, lub cev ob sab thiab lub phaj ntawv tawm sab nraud muaj kev sib cuag, koj yuav tsum ua kom muaj tus lej ntau ntxiv kom tau raws li qhov teeb meem ntawm qhov muag pom. Txawm li cas los xij, qhov no yuav tsis tsuas ntxiv rau kev siv lub mis, tab sis kuj yooj yim los tsim cov xim luam ntawv thiab luam ntawv lo lus qias, ua "Sanping" (cov quav rau cov menyuam, dej rau cov tub ntxhais, vim muaj kev tsis haum siab vim yog xim.

7, pom lub teeb ci:

Cov khoom muag offset hauv kev soj ntsuam ntawm cov xim yuav tsum muaj lub teeb pom kev zoo, tsis muaj lub teeb pom tsis tau xim, tab sis yog tias lub teeb qhov tsis zoo li qub, ces qhov txawv xim yuav zoo. Feem ntau, peb xav kom muaj kev soj ntsuam xim raws li lub ntuj tsim teeb meem (piv txwv li cov teeb pom kev zoo). Yog tias koj siv qhov muag teeb zoo li lub teeb xim, ces cov xim yuav pom daj, nws yog qhov tseeb kom pom tseeb xim, qhov khoom kawg yuav muaj xim loj heev. Tsis tas li ntawd, lub zog ntawm lub teeb thiab lub teeb rau ntawm lub teeb taws tseem yuav muaj feem xyuam rau xim tawv nqaij. Nyob rau tib lub teeb ci, qhov qauv yog pom ntawm qhov kev xav ntawm lub teeb, feem ntau ntawm cov qauv thiab lub teeb qhov chaw los txiav txim qhov kev ncua deb. Ze muaj zog, qaug zog heev. Yog li, peb feem ntau xyuam xim rau ob lub ntsiab lus thaum nruab hnub los yog hmo ntuj ua hauj lwm: ib qho yog siv lub teeb ci qhov chaw (wavelength 400-700 los yog li ntawd), thiab lwm tus yog kom paub txog qhov teeb pom kev zoo siv thiab qhov sib npaug zos. Rau cov khoom uas muaj cov xim loj, luam tawm cov ntawv tso kua mis yuav tsum tau muab tso rau saum tus txheej txheem rau kev sib piv, yog li ntawd vim qhov kev soj ntsuam ntawm kev sib txawv me me ntawm cov xim ntawm qhov tseeb. Yog li no, txoj kev xyaum qhia peb tias cov yam ntxwv ntawm cov teeb pom kev zoo thiab kev soj ntsuam ntawm kev sib txawv yuav ncaj qha rau cov xim ntawm qhov tseeb cim.

Qhov thib ob, ob lub phenomenon (tib yam xim muaj xim, qee yam nrog tib tus qauv, tab sis qee qhov tsis sib haum nrog cov qauv)

1, tib neeg yam tseem ceeb:

Tias tus thawj ob peb Hawj lwm tus neeg, nyob rau hauv tus cwj mem tsis tau sib npaug ntawm rooj plaub no, pib qhib tag nrho txoj kev, luam txheej txheem ntawm cov dej tsis hloov ntawm dej, kua mem sau, sab tune cia, yog ua txhua yam hauv tib lub npoo xim xim xim, Qhov no yog tus tus tauj ncov loj tus txawj, kev paub, tus cwj pwm muaj kev sib raug zoo, ob leeg muaj peev xwm tsim cov khoom tib yam khoom xim.

2, cov kua nruab yeeb:

Offset luam ntawv yog kev siv txoj cai ntawm roj-dej rho tawm. Cov dej no yog hais txog cov ciav dej. Qhov loj me nws ncaj qha rau cov xim ntawm cov number case txheej. Loj number case txheej xim, xim dej, me me quav txheej yuav xim tob. Qhov ntau dua dej, qhov loj ntawm emulsion ntawm tus number case. Emulsified number case matte, xim yog lub teeb. Emulsified case numbered print tsis yog xim tsis zoo, tab sis kuj tsim tau lo av, tawm, imprint tsis muaj zog, thiab teeb meem zoo li no. Yog li nyob rau hauv lub printing, lub lag luam yuav tsum nruj me ntsis tswj qhov loj ntawm dampening kua rau ntawm lub phaj luam ntawv, thiab ua haujlwm zoo rau qhov seem ntawm tus number case thiab xaj. Qhov dej tsawg dua yuav tsum tau, qhov zoo dua.

3, luam ntawv ceev:

Qhov ceev ntawm kev luam ntawv yuav cuam tshuam cov xim ntawm cov teeb meem luam tawm. Qhov no yog vim hais tias lub ceev ntawm lub tsheb yuav cuam tshuam tus number case tshuav. Qhia phaj ntawm dej thiab qeeb version ntawm dej nyob rau phaj nws txawv. Cov phaj siab evaporation ntawm cov dej yog me me, qeeb phaj loj dej ua paug evaporation. Vim cov kev hloov hauv qhov loj ntawm cov dej coj mus tsis txaus rau hauv tus cwj pwm, nws yuav tsis tshua muaj kev hloov hauv cov xim ntawm tus cwj mem. Yog li feem ntau hauv cov luam ntawv yuav tsum tau them sai sai rau qhov ceev ceev, kiag li tsis tuaj yeem tsav ceev. Rau ib lub sij hawm qeeb, yog li ntawv luam tawm yuav tsim xim. Nyob rau tib lub sij hawm yuav tsum yog raws li qhov teeb meem ntawm lub tshuab, kho kom ceev tshaj plaws. Piv txwv, qee qhov kev lag luam luam tawm luam ntawv tau qhia tias qhov siab tshaj ntawm 16,000 nplooj / teev thiab qhov siab tshaj ntawm cov cav tov ntawm 8,000 nplooj / teev. Cov kev ceev no tsis ruaj khov. Feem ntau, ob qho tib si lub tshuab thiab domestic tshuab, qhov ceev ceev yog 70% ntawm tus ceev tshaj plaws yog qhov zoo tshaj plaws, uas yog: import tshuab ntawm 11,000 teev, domestic tshuab ntawm 5600 / teev, qhov no ceev yuav tsum yooj yim rau Tswj Txhuav tshuav, txo cov xim.

4, tus neeg phem:

Cov ntaub ntawv luam tawm, cov ntawv luam tawm tuaj yeem tau txais xim xaj xim tshwj xeeb, cov menyuam muaj lub luag haujlwm zoo heev. Cov Cots no muaj cov quav rau cov tub ntxhais hluas, cov tub ntxhais thiab cov quav rau cov tub ntxhais peb leeg, lawv muaj cov cwj pwm zoo rau ntawm tus cwj pwm ntxoov ntxoo. Kev yooj yim, khuam, khawm, tawv thiab qhov kawg ntawm tus cwj mem xoom khov rau feem ntau txiav txim siab qhov zoo tshaj ntawm cov ntawv luam tawm. Yog hais tias muaj tus number case rau pluag elasticity, tsis muaj viscosity, dov eccentric. Zoo colloidal thiab colloidal kev laus, thiab lwm yam., Cov txheej txheem luam ntawv yuav ua rau cov inking tsis sib luag los yog tsis ruaj tsis khov, yog li ntawd npaj cov ntawv luam hauv qab inconsistent. Yog li, thaum luam ntawv los xyuas qhov zoo ntawm cov cot, yuav kom paub meej tias txhua lub voj voog loj zauv ntawm lub phaj ntawm tus number case no yeej zoo li qub. Yog li, ua hauj lwm li niaj zaus, cov roj hmab yuav tsum tau muab ntxuav kom cov hmoov av thiab cov khoom tsis muaj nyob rau hauv cov yas rubber yuav raug tshem tawm thiab tus cwj pwm yuav kis tau yooj yim. Tib lub sij hawm, kev sib cuag ntawm tus cwj mem number case thiab tus cwj mem xaws thiab cov ntawv xov xwm yuav tsum tau kho. Txwv tsis pub, hloov cwj pwm hloov tsis txav, ua rau muaj xim loj txawv.

5, cov khoom siv tu tsev:

Saib xyuas qhov ua tau zoo ntawm lub tshuab yog ib qho kev ntseeg tau zoo los txhim kho qhov zoo ntawm cov ntawv luam tawm. Yog tias lub tshuab tsis ruaj khov, piv txwv li, qhov siab yog tsis sib haum, kev pub mis tsis ruaj khov, luam ntawv feem ntau pom khoob, ntau zaus. Yuav ua txhua yam los ua kom muaj xim ntawm cov xim xim. Yog li feem ntau peb tau ua ib txoj hauj lwm zoo ntawm cov khoom siv tu, kom ceev nrooj ntawm lub tshuab lubrication, kom tsis txhob coj thiab rhuav hnyav cov khoom hauv lub xeev ruaj khov. Raws li kev tshaj tawm txoj haujlwm los ua haujlwm zoo, "Miyoshi" (kev tswj zoo, kev siv zoo, kev kho), "plaub yuav" (yuav raug siv, yuav tswj xyuas, xyuas, yuav daws teeb meem).

Muaj ntau ntau yam rau kev tsim ntawm cov xim luam, kev tswj cov kev tswj ntau tshaj li qhov, uas yuav tsum tau kom peb los tshawb xyuas cov lag luam luam tawm, kev tsim kho, tsim cov cwj pwm zoo ntawm kev sau ntawv yog qhov tsim kho kom muaj peev xwm pom ntau lub sijhawm Cov phau ntawv ntawm txoj kev xav ntawm luam ntawv, muaj cov theories ua tus txheej txheem, koj tuaj yeem siv ntau yam kev tsis sib haum, qhov zoo ntawm cov khoom luam tawm cov neeg tau txais ntau dua thiab siab dua, rau peb, qhov siab yog ntau tshaj lij, Kuv ntseeg tias ntev li ntev tau tus cwj pwm zoo Qhov ntsej muag lub ntsej muag, koj yuav nyob ntawm txoj kev ua kom muaj kev vam meej thiab ntau dua.