10 Txoj Kev Txhim Kho Gloss ntawm Chocolate Boxes
Mar 01, 2022
Tso lus
10 Txoj Kev Txhim Kho Gloss ntawm Chocolate Boxes
Nyob rau hauv tib lub sijhawm ntawm daim ntawv thiab tus cwj mem, vim muaj teeb meem hauv cov txheej txheem kev ua haujlwm, qhov ci ntawm cov khoom tiav tom qab luam ntawv feem ntau sib txawv. Yog tsis xav txog kev tshaj tawm -xov tshuaj varnishing, cov txheej txheem hauv qab no tuaj yeem siv los txhim kho gloss ntawm Chocolate Boxes:
1. Improve the acid wetting fluid. The acid wetting fluid that has been used for decades in my country is mainly chromic acid and phosphoric acid. Although it has been diluted, the pH value is still between 3.5 and 5.6. The stronger the acidity, the greater the decomposing and corrosive power of the ink binder and the pigment, resulting in a rough surface of the imprinted film and a reduced gloss. There have been breakthroughs in the research and development of wetting fluids in recent years, such as Shanghai's "Lide Wetting Powder", which can be said to be effective. Now my country's offset printing wetting fluids have entered a new stage, but some printing The factory is still using the old recipe.
2. Reduce ink emulsification. The excessive emulsification of ink in offset printing is mostly caused by the large amount of water and ink in the operation. The imprint looks like a thick ink layer, but the ink molecules become oil-in-water state, and the gloss is extremely poor after drying, and a series of other Fault. Water and ink are the most taboo practices in offset printing. To change this situation, in addition to regular quality and technical education for operators, it is recommended to use "Lide Wetting Powder", because this agent has better wetting performance. Even if the moisture content of the layout is small, it is not easy to get dirty. It is not only conducive to operation, but also makes the Chocolate Boxes shiny.
3. Tsim nyog ntxiv cov neeg ua hauj lwm pab rau tus cwj mem. Ntxiv cov neeg sawv cev tsim nyog rau tus cwj mem tuaj yeem kho qhov luam tawm ntawm tus number case rau kev luam ntawv du. Feem ntau adjuvants yuav adversely cuam tshuam lub gloss ntawm cov khoom tiav. Piv txwv li: anti- tus neeg sawv cev nplaum, cov khoom siv tseem ceeb yog rau - cov hmoov nplej. Tom qab ntxiv tus cwj mem, qhov saum npoo ntawm txheej txheej zaj duab xis imprinted ua ntxhib vim los nag lossis daus ntawm pob kws hmoov, thiab gloss ntawm Chocolate Boxes tsis zoo. Lwm qhov piv txwv yog qhov sib ntxiv ntawm No. 6 nyias cov kua roj vanish, uas tsis yog tsuas yog ua kom lub fluidity, tab sis kuj nce permeability ntawm cov imprint ntawm daim ntawv, thiab kuj txo cov dryness, uas tsis zoo rau lub gloss ntawm lub imprint. Yog li ntawd, tus nqi ntawm tus neeg sawv cev pabcuam dav dav ntxiv rau tus number case yuav tsum tsis pub tshaj 5 feem pua. Yog tias cov nyhuv gloss raug txiav txim siab, nws yuav tsum tau siv tsawg dua lossis tsis siv. Txawm li cas los xij, fluorocarbon surfactants txawv. Nws tuaj yeem tiv thaiv qhov tsis xws luag xws li txiv kab ntxwv tev thiab wrinkling hauv txheej number case, thiab tuaj yeem txhim kho qhov ci ntawm cov ntawv luam tawm.
4. Siv cov roj qhuav kom raug. Rau siab-qib ci ntsa iab thiab ceev- kom qhuav tus number case, nyob rau hauv qhov kub thiab txias, nws muaj peev xwm kom qhuav txaus. Cov roj ziab yuav tsum tau ntxiv rau hauv cov xwm txheej hauv qab no: Ua ntej, thaum lub caij ntuj no kub thiab av noo tsawg; thib ob, thaum tus number case yuav tsum tau ntxiv nrog anti-sticking agent, de-sticking agent, nyias cov kua roj vanish, thiab lwm yam, nws yuav tsum tau ntxiv. Cov roj qhuav. Kev siv cov roj kom qhuav hauv cov txheej txheem ua haujlwm yog qhov zoo heev rau kev tsim cov gloss hauv Chocolate Boxes. Qhov no yog vim hais tias nws yuav siv sij hawm ib tug npaum li cas ntawm cov ntawv rau nqus cov binder. Nyob rau hauv cov txheej txheem no, lub binder yog condensed sai li sai tau mus txog rau thaum lub conjunctiva qhuav, uas yog tus yuam sij rau lub zoo gloss ntawm Chocolate Boxes.
5. Ua tib zoo saib xyuas cov plua plav. Zoo li tus number case, cov hmoov txau kuj tseem tuaj yeem ua rau agglomerate, tshwj xeeb tshaj yog nyob rau hauv cov hnab ntim tsis zoo los yog cov thoob. Tom qab cov hmoov txau yog ntub dej, nws yuav agglomerate rau hauv cov khoom loj, uas yuav tsum tau txau rau ntawm cov ntawv ntub dej, ua rau cov xim ntawm cov xim pleev xim rau hauv cov xim sib txawv thiab txo qhov qub luster ploj, yog li koj yuav tsum xyuam xim rau cov dej noo{{1 }} pov thawj thaum txau hmoov. Tsis tas li ntawd, muaj cov cuab yeej cua sov ntawm lub tshuab ntawm cov hmoov txau cov khoom. Thaum siv cov hmoov txau, nws yuav tsum tau kuaj xyuas seb lub tshuab cua sov puas ua tsis tiav.
6. Kho lub tshuab kom raug. Seb lub thickness ntawm cov imprinted number case txheej raws li tus qauv kuj muaj feem xyuam rau lub gloss. Piv txwv li, qhov kev hloov siab tsis zoo, qhov ntsuas qhov loj ntawm qhov siab yog siab, lub thickness ntawm cov number case txheej tsis ua raws li tus qauv, thiab qhov ci ntawm cov khoom tiav yog me ntsis zuj zus. Yog li ntawd, nws yog ib qho tsim nyog yuav tsum tau kho lub siab kom qhov kev nthuav dav ntawm cov dots yog tswj ntawm li 15 feem pua, thiab cov number case txheej ntawm cov khoom luam tawm yog tuab, cov khaubncaws sab nraud povtseg yog stretched, thiab gloss kuj tau.
7. Garvan Lishui (No. 0 roj). Cov roj no muaj kuab heev thiab tuab, thiab tuaj yeem kho tus cwj mem concentration kom thicken tus cwj mem nyias thiab ua rau kom lub ntsej muag ntawm cov khoom luam tawm.
8. Ntxiv gloss paste. Lub gloss paste yog ua tiav los ntawm cov khoom siv raw nrog cov gloss siab, uas tuaj yeem ua kom lub ntsej muag ci ntawm tus number case, tab sis tus nqi yuav tsum tsis txhob loj dhau, txwv tsis pub lub ziab ceev ntawm tus number case yuav raug txo, thiab qhov tshwm sim ntawm kev nplaum thiab kos duab yuav tshwm sim. , uas yuav cuam tshuam rau gloss.
9. Ntxiv ib lub teeb ci. Thaum qee tus cwj mem xim tsaus dhau los ua kom tau raws li qhov yuav tsum tau ua ntawm cov xim xim luam ntawv, nws yuav tsum sib dua, uas tuaj yeem tsis tsuas yog ua kom tus number case sib dua, tab sis kuj txhim kho qhov ci ntawm Chocolate Boxes.
10. Ntxiv 19 resin roj. Thaum lub fluidity thiab hloov kev ua tau zoo ntawm tus number case tsis zoo, 19 resin roj tuaj yeem xa ncaj qha, uas tuaj yeem tsis tsuas yog txhim kho lub ntsej muag ntawm tus number case, tab sis kuj tsis cuam tshuam rau ntau - xim luam ntawv luam ntawv.