The printing factory often receives some color page printing requirements or direct folding printing requirements. In the actual production process, there are two kinds of folding methods: one is thin paper, which is folded directly with the folding machine, and the other is 157 g matte copper paper, with the previous indentation.
When you print more than 157G of paper, the crease in front of the folding machine can make the folding easier and make the folding printing more flat and beautiful.
Jinan album printing
The image cracks after indentation or folding may be caused by the paper drying, and the higher the paper volume, the more prone to this fault. Therefore, in order to avoid cracks, the paper should be kept appropriate humidity, not too dry.
In addition, folding paper along the direction of the silk line, can also avoid folding fracture. If it is a processing enterprise's Jinan album printing, the direction of the paper should be parallel to the spine of the final product album. Of course, in the plate covered with film can also avoid printing plate hinge cracks.
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