The adjustment of the paper cutting machine blade is to adjust the cutting amount of the blade to avoid cutting the blade too deeply and damaging the blade due to the height of the newly replaced blade. The blade adjustment steps are: first manually rotate the transmission wheel to determine the blade cutting depth, the knife bed moves to At the lowest point, carefully observe whether the cutting depth is reasonable. Under normal circumstances, the normal cutting is 0.5-1 mm; if the blade edge is in contact with only one end of the blade, you can adjust the eccentric shaft behind the main frame; if the regrinded blade cannot cut the paper The blade can be moved down until the paper can be completely cut, and the top knife cam can be manually rotated to make the blade cut the paper; the adjusted blade can be used for trial cutting with waste products, and then the normal work is performed after the sample is normal.