In actual production, the improper printing methods caused by improper graphic design often cause the compressive strength of the carton to decrease. Therefore, the graphic design of the carton should pay attention to the following issues during printing.
1, to avoid full version printing: corrugated box full version or around the printing of graphics, because the pressure of the embossing roller on the corrugated board and ink infiltration of the paper will make the carton compressive strength. Therefore, the design of the corrugated box should be as simple as possible, and as far as possible to avoid printing the text on the entire surface of the box, but not full version printing.
2, to avoid banding (ie, the same direction as the corrugated board machine) printing: some cartons have horizontal gradient lines on the pattern, this area of the carton because of stress, so the most likely to break, printing pressure will be pressure Therefore, strip printing should be avoided.
3, ink color should be eye-catching: due to the corrugated board itself is quite dark in color, it should try to use the color saturation, strong coloring ink (such as large red), otherwise the printed color and the desired color will be very large difference.
4. Minimize the number of overprints: The more the number of overprints, the more severe the compressive strength of the carton is, so the number of overprints should be minimized.
5, to avoid the small print text: corrugated boxes from the propaganda effect of goods, should try to avoid the small print word. Such as the size of 2cm below the text, generally at a distance of 5m or more is almost unclear, so it will lose the significance of promoting the promotion of goods.
6. Minimize the printing pressure: In order to ensure the quality of the carton printing and reduce the impact on the compressive strength of the carton, the printing pressure should be as small as possible. The ink used should be as fast as possible. Because the low part of the corrugated cardboard pressed by the press machine can not fully accept the ink, the printing surface and the horizontal indentation line should be kept at a distance of 15mm or more, otherwise the printing effect will be affected.
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