The paper cutter is one of the necessary equipment for printing plants. Its function is to handle the cutting of paper before and after printing. With the development of science and technology, the functions of paper cutters are more and more, the operation is more and more simple, the labor intensity is reduced, the cutting accuracy is higher and safer. In the process of use, the following problems often occur. The following uses a digital display paper cutter as an example to briefly analyze the reasons that the safety screw of the digital display paper cutter is easily broken:
        1.The edge of the blade is not sharp enough;
        2. The sliders on the left and right sides of the knife holder are worn;
        3. I don't often tighten the safety screws;
        4. The installation direction of the safety screw is wrong;
        5. The two end faces connecting the safety screw are not flat due to deformation.
        6. The blade is too deep into the blade or the grinding of the blade is not straight.

        In addition to the above reasons, there are also electrical and other reasons. Solve the trouble in time to avoid delaying the normal production work.