12/07/2021

Grey Balance Control Problem

Grey Balance Control Problem        The process of producing visual neutral gray scale from three kinds of printing primary color inks involves the problem of gray balance. In the process of color separation, the gray balance can be confirmed by film and sample. Grey Balance Control Problem      In the process of proofing and printing with reference to the swop density standard, the dot sizes of the three printing primary colors of gray are usually different, and the dot sizes of cyan are usually larger than those of yellow and color. In the process of proofing and printing, the dot expansion must be controlled to keep the relative dot size the same as that of the original film, so as to maintain the gray balance.Grey Balance Control Problem        This parameter specification specifies the total percentage content of cyan, magenta, yellow and black in the black area of the printed image. In theory, the darkest area should be printed with 400% of the maximum total i […]
12/07/2021

Decolorization And Anti Adhesion Of Flexible Packaging Prints

Decolorization And Anti Adhesion Of Flexible Packaging Prints      The decolorization phenomenon mentioned in this paper does not refer to the phenomenon of poor adhesion due to film tension. Decolorization and anti adhesion are generally a phenomenon that occurs only after printing with surface printing ink, and decolorization and anti adhesion have the same factors. Decolorization And Anti Adhesion Of Flexible Packaging Prints       It is precisely the emergence of anti sticking. In a certain environment, sticking the pattern of the printing surface to the film without printing gives people the feeling of decolorization. As a printing enterprise, it should be analyzed in detail.Decolorization And Anti Adhesion Of Flexible Packaging Prints       At present, the plastic surface printing ink produced by China’s ink manufacturers generally uses polyamide resin as binder, and the melting point of this resin is between 105 ℃ – 115 ℃, that is, after printing with […]
12/07/2021

Color Difference Between Left And Right Of Gravure Printing

Color Difference Between Left And Right Of Gravure Printing        In the packaging and printing industry, there are many factors causing the color difference between the left and right of the printed products, such as the uneven pressure of the left and right cots, the left and right scrapers are not leveled, and the uneven pressure between the left and right cots is caused by the non leveled plate loading.Color Difference Between Left And Right Of Gravure Printing.Color Difference Between Left And Right Of Gravure Printing        In the process of plate making, especially when the full plate is on the spot, the electric engraving is easy to change the dot size from left to right. Generally, the left and right normal error is within 0.3 silk. If the deviation is too large, the left and right color difference will occur. The following methods can be used to eliminate the causes of plate making: Color Difference Between Left And Right Of Gravure Printing 1. Put the p […]
12/07/2021

Printing Of Stationery Box

Printing Of Stationery Box        The packaging and printing industry has always been regarded as a traditional processing service industry. When most people mention printing, they first think of books, magazines or packaging products. But today. The printing industry is no longer limited to these traditional areas. In recent years, a large number of popular printed products such as children’s toy books, three-dimensional books and toy paper products abroad have become a new field of printing industry. For example, kokuyo, a Japanese stationery company, has developed a series of stationery boxes for young people in the office. Printing Of Stationery Box       The idea is ingenious. Once launched, it has been popular in the market and once ran out of stock in the Japanese market. This kind of product has a beautiful appearance. And personality. Many products are printed with popular cartoon images. Especially popular. Attracted the attention of office people. Replaced the original […]
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