If the cutter is not properly maintained, problems will often occur, so how to maintain it?
        1. Maintain the hydraulic pressure properly. If the pressure is too high, the sealing ring will burst, and if it is too small, it will be delayed and weak.
        2. First of all, according to the different seasons, choose a suitable hydraulic oil machine, such as using No. 20 engine oil in winter to maintain its fluidity; in summer, use No. 30 engine oil to maintain its certain viscosity.
        3. You have to use talc or paraffin to coat the cutting platform and the blade opening. If you do this, there will be two benefits. 1. Reduce the frictional resistance between the paper and the platform, and save effort. 2. Extend the cutting times of the blade. The cutting edge is smooth and neat .

        4. Add lubricating oil in time, add lubricating oil to the machine oil filling port before work, keep the machine lubricated and clean, keep the machine in a good working state, and maintain the cutter.