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Anti-counterfeiting label printing needs main reasons and influencing factors of color series

by:LG Printing     2021-02-26
Printing color sequence is in the heart of the anti-counterfeit label for the multicolor printing monochrome set priorities for monochrome colorful printing. Four-color printing press or double color printing machine, for example, under the influence of color order. In layman's terms, USES different color sequence arrangement in the printing, the printing effect is different, sometimes the printing color sequence decision a print is beautiful or not. Second, understand the printing sequence of reasonable arrangement of the influencing factors and principles. < br />


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a, the main reason for the printing color sequence: < br />
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want to print program with the reason mainly has the following three aspects: < br />
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1. The influence of overlapping printing ink or ink color of the material itself to borrow;



  2 . The paper quality.



  3 . The human eye color recognition ability. < br />
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the root cause of the printing ink itself is completely transparent, namely the covering power of the ink itself, printing ink to printing ink layer after must split the role of the cover of the print color is always bias after the performance of a kind of color, or before, and after a mixture of colors and color deviation. < br />
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2, factors that affect the printing color sequence: < br />
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1. From the ink transparency to < br />
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ink transparency is associated with the ink pigment of shelter force. Covering power refers to the ink covering layer at the bottom of the ink ink coverage. Cover atv and ink transparency is stronger, the disappearance of the covering power and ink degree of atv. Generally speaking, the cover is poor, namely in order not to make the transparency of the ink in the printing, ink disgrace, before the images of color. The strength of the ink transparency of relationships: m y & gt;> c> bk。



  2 . Consider the brightness of the ink < br />
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the thing with low lightness printing first, after the printing with tall lightness, namely the deep inky is printed first, inky shallow things after printing. Because of high brightness, the higher the reflectivity, reflects the deeper the color, the thinner the better lather, trace overprint also could not marked; Light good color with deep color, then do so. In general, the size of the brightness of the ink relationship is m y c & gt;> bk。



  3 . Consider ink drying speed < br />
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drying speed of big holes seeks in slow ahead of the printing, fast printing. If you want to quickly print first, for the high and low color table, because it is wet, dry, pressure is not conducive to vitrification,. In the case of multi-color machine, not only conducive to ink layer overlapping printing, but also easy to produce; Borrow some development. Order is to make the ink dry faster two times, two times as fast as red, blue, black, big hole seeks to slow.



  4 . From the paper to consider the nature of < br />
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1) And the strength of the paper surface. < br />
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the paper surface strength, is refers to the paper on the surface of the dyeing and dye, dye and rubber, the adhesion strength of the packing. Adhesion strength of hard coating, high surface strength good position as printing paper, flour off and the extent of the determination of wool. In the strength of the surface, that is the combination of the ability to drop, big easy off powder, the wool of paper, we first printing ink viscosity, viscosity large color dieyin printing is also very good.



  2) First, paper, high whiteness, printed after the dark light.



  3) , in the rough, loose paper printing light first, before dark.



  5 . From branch area share consideration < br />
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branch area is small jump, after the branch is a large print. Make this mark image color is rich, reproduce than level also beneficial branch.



  6 . From the perspective of the features of the manuscript itself < br />
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in general, the manuscript can be divided into warm color and cool color to move the original manuscript. Is given priority to with warm tone of the manuscripts, jump in green, black, brown and yellow; Is given priority to with cold tone of original manuscript, print the first letter, after recommend blue print. As more active is the primary color levels.



  7 . From mechanical properties to consider < br />
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~ don't kind of offset printing machine models, so its ways of dieyin effect also has certain gap. Monochrome machine is; Wet dry door, multi-color machine is dieyin form; Wet wet and; Wet pressure dry combination form of edo and dieyin, edo, dieyin effect also face. Usually monochrome machine is the color of the order, the first is yellow, and then, in turn, is the fusion, blue, black.



  

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