Label printing is the field of flexographic printing with the highest fineness. Due to the use of UV ink, in the case of relatively low temperature and high ink viscosity, if the surface tension is uneven due to improper treatment of roller surface and screen wall, the phenomenon of "flying ink", commonly known as meteor shower, will appear after the scraper. In addition, the number of lines of the label roller is relatively high, the screen wall is relatively thin, the ordinary engraving technology screen wall is relatively brittle, easy to scratch under the action of scraper, knife screen printing. At the same time, high-precision printing on the anilox roller accurate ink transfer effect put forward high requirements.

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