In gravure printing, the uneven thickness of the ink film occurs from time to time, so what is the reason for this phenomenon? How can protective measures be taken? This article will discuss with you! In the case of gravure printing, the uneven thickness of the ink film occurs from time to time, and there are many reasons for the unevenness of the ink. In the case of gravure ink, the ink is poorly adjusted, or the ink skin is accidentally mixed in when the ink is prepared. At this time, due to the phenomenon of swelling or softening due to the addition of solvent ink, the meshes that should penetrate the ink are blocked, causing the effect of the plate film, which prevents the ink from passing normally. In order to prevent such malfunctions, the prepared gravure ink (especially old ink) should be filtered once with a net before use. When reusing an already used printing plate, the old ink attached to the frame must be completely removed. When storing the printing plate after printing, it should be washed thoroughly (including the squeegee). If done according to the above requirements, the accident of uneven ink will not happen. If the tip of the scraper is damaged, a trace will appear along the direction of the scraper's movement. Especially when printing transparent objects, there will be obvious ink unevenness. Therefore, the front end of the scraper must be well protected so that it will not be damaged. If it is damaged, it must be carefully ground with a grinder. The unevenness of the printing table will also affect the inking uniformity. The ink layer on the convex part is thin and the ink layer on the concave part is thick. This phenomenon is also called uneven gravure ink inking. In addition, if dust adheres to the back of the substrate or the printing table, the above failures will also occur. The canvases we sell are carefully designed by professional designers. They are designed with the highest standards, with rich colors and super senses. In terms of printing: all of them are printed with 100% precision imported by Epson, and printed by imported machines. The picture will be clearer and the picture quality will be more delicate. santa claus diamond painting,santa claus diamond art,santa diamond painting Dongguan Junkai Packaging Products Co., Ltd , https://www.diystoragecase.com
One piece is thick, the other is thin, and the printing ink layer is so "changing"?