Causes and solutions for uneven trimming or fluffing of book printing

Mayee900905 Aug, 2021Business

1. Influence of die cutter In the processing process, with the increase of die-cutting time and the number of products, the die-cutting knife will gradually become not sharp enough. When the paper is not completely cut, the indentation will pull the paper and tear the paper apart to produce paper wool; When the steel knife is loose, it will also produce paper wool and paper dust on the cutting edge. When selecting a die-cutting knife, try to select a high-quality die-cutting knife, so that the blade is lubricated and easy to cut, reduce the paper wool generated during die-cutting and improve the durability of the knife line.