Printing principle
According to the plate of image portion and stamped part during the printing process, produce printing principle, can be divided into physical printing ( Physical Printing ) and chemical printing (ChemicalPrinting ) two class.
Physical printing,printing company ink in image portion is a stacking load, no image is low or convex, and the image part of the highly different and not stained with ink, the blank, so the image portion of ink transfer to be printed material, only belongs to physical and mechanical action. General relief printing, intaglio printing, screen printing, dry planographic printing, are physical printing ( printing surface above or below the non-printing surface ).
Chemical printing, plate without image portion (not printed ) is dipped in ink, not by part of the valley, bulge, or blocked, but the result of chemical interaction, make its produce water to ink film. Of course, the image part ( printing ) ink water, no image portion of absorbent to ink, water and oil to backwash, is a physical phenomenon, but in the printing process, must constantly make no image portion of the added water to ink film, so for the chemical printing. Lithographic offset printing machine printing, is such a case.Amart wedding dresses Cover the water solution, need to join? And colloid material, so that the stream of supply of carboxyl group of the mucus layer, in order to maintain the plate for printing surface portion is not grease infection.
Printing color
By printing the color displaying, can be divided into monochrome and multicolor printing two categories.
Monochrome printing, is not limited to black a, where a color display image both. Multicolor printing ( Poly Color Printing ) and color ( Casing Method ) method, chromatography method ( Register Method ) and complex color method (Multi-color Method ) three.
Add method, in monochrome image of dual range, adding another color, increasing its clear bright, for the benefit of reading. In general children's book printing,Man Sang Manufacturer use; register method, a variety of separate, nonoverlapping, nor his color range edge line, in order to set were printed material and winners. The general lines of table, commodity packaging, and terrain of printing, use the.
Multicolor printing, on the basis of the nitikaset hybrid method ( Additive Color Mixing Process ), so that the natural color originals is decomposed into basic colors of color version, subtractive color mixing process ( Subtractive Color Mixing Process ), the primary edition reprints in the same was printed material, due to the many different colors overlap area, and Bishop manuscript natural color print also. All color print, except for the few. Method and chromatography method outside, all complex color print.
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