The composition and function of printing chromatography (Business Opportunities - Other Business Ads)
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The composition and function of printing chromatography | |
In color printing, the color quality of general objects is regular. According to the rules of targeted and usable chromatograms summed up by book printing companies in actual printing production work, they are generally called printing chromatograms. The appearance of printing chromatograms gives The industry personnel of printing production provide reference and reference, which makes printing more convenient, fast and accurate. Therefore, those who need printing should understand the knowledge of special printing chromatography. Do you know the knowledge of special printing chromatography? If you don't know, let's learn about the knowledge of special printing chromatography. (1) The composition of the printed chromatogram. The chromatograms printed by different book printing companies in China include the following four parts: single-color, two-color, three-color, and four-color parts. Due to the differences in the objects of mention and application, there are certain differences in their composition, color block display method and color block quantity. Generally, in the application of chromatographic analysis, it will specifically introduce the production, printing, application materials, required technical parameters, basic data, etc. of the chromatogram. Elucidation of Chromatography. In the explanation of chromatogram, it introduces the basic structure of chromatogram, chromatographic ladder, screen angle, printing paper, ink and other materials, data test and test data, etc. In the monochromatic part of the large part of the color spectrum (four-color part), the yellow cyan is divided into 3%, 5%, 10%, 15%, 20%, 30%, 40%, 50%, 60%, 70%, Thirteen levels of 80%, 90%, and 100%. Black is divided into nine levels: 3%, 5%, 10%, 15%, 20%, 30%, 40%, 50%, and 60%. In this way, various monochromatic colors of shades can be obtained. The two-color part is to combine the three colors of yellow, magenta and cyan. The two primary color ladders are arranged horizontally and vertically. Every two primary colors can form 13×13=169 colors, which can be combined into a total of 169× 3 = 507 secondary colors. The three-color part is that on the basis of the two colors (magenta, cyan), the third primary color (yellow) and black are superimposed to form the third color. There are a total of 6084 colors in the color block. In the four-color area, the four-color inks of yellow, blue, and black are superimposed according to the different dot area ratios of each ladder, and 18,804 colors are superimposed. (2) The role of printing chromatography Chromatography has become a common color representation method in the printing industry due to its intuitiveness and practicability, and it is a color reference tool with instructive significance for multiple processes. Its use is conducive to the standardization, dataization and standardization of the entire printing process. The customer's business personnel can know the color reproduction effect that can be obtained under the existing conditions of the factory from the chromatogram; the photographic color separation personnel can analyze the original according to the chromatogram and make the corresponding mask; the electronic color separation personnel can use the chromatogram to analyze the original. Calibration; Proofing and inking personnel can allocate spot color inks required for various color prints according to the chromatogram; printers can evaluate the quality of color prints according to the color rendering effect of various papers and inks in the chromatogram. | |
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| Target State: All States Target City : All Cities Last Update : Apr 14, 2022 4:43 AM Number of Views: 37 | Item Owner : BookPrintingChina Contact Email: (None) Contact Phone: (None) |
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2023-03-21 (0.405 sec)