1.The current blade can be used on all sides;
2.When the blade is found to be seriously worn, it needs to be adjusted or replaced;
3.Rewind the cutter to the highest point and stop;
4.Pull off the front cover and loosen the hex socket bolt on the clamp plate, you can adjust or replace the blade;
5. The blade should lean to the left, re-tighten the hexagon socket bolts on the clamp plate, and push into the cover.

         The maintenance of the paper cutter is the key to how long it can last. According to surveys, the average life of machines that are often maintained is several years longer than those that are not maintained. Therefore, it is important to maintain the cutter. The following is the daily maintenance method of the paper cutter.
         1. Properly maintain the hydraulic pressure. If the pressure is too high, the seal will burst, and if it is too small, the hysteresis will be weak.
         2. First, according to the different seasons, choose a suitable hydraulic oil machine, such as No. 20 oil in winter to maintain its fluidity; No. 30 oil in summer to maintain its viscosity.
         3It is necessary to use talcum powder or paraffin wax to coat the paper cutting platform and blade mouth. There are two advantages in doing so. 1. Reduce the frictional resistance between the paper and the platform. .
         4. In order to add lubricating oil in a timely manner, it is necessary to add lubricating oil to the mechanical oil filling port before work to keep the machine lubricated and clean, so that the machine is in good working condition.

         Paper cutters can be divided into three categories: manual cutters, electric cutters and hydraulic cutters; manual cutters do not require much explanation, and can also be called cutting knives. The cutting paper is not very large. Suitable for simple text cutting processing; while electric paper cutter is controlled by pure mechanical structure, the cutting of paper is convenient, suitable for batch processing of documents. Another type of hydraulic paper cutting machine, the internal structure contains hydraulic oil, the operation of the hydraulic oil to control the operation of the cutter.
         Electric paper cutters, when cutting some paper called soft paper, may not be cut through, which is not suitable for some industries that need to process a variety of paper materials. The hydraulic paper cutter can cut text from various materials such as rice paper, leather, paper, etc .; the processing speed is fast. Therefore, it is widely used in libraries and print publishing.

        Due to the use of a high-efficiency flat-enveloping toroidal worm reducer, it has no self-locking nature, the main motor stops, and the cutting switch selection switch is pulled to the tool change position. The transmission has lost its brake and the safety device has lost its protection. The bed may slide down in a static state, which may seriously endanger safety. Therefore, in this state, make sure that the knife bed stops reliably, and only operate it under the blade with a wooden pad.
        When changing the cutter, first turn off the main motor, wait for about 2 minutes, and confirm that the transmission belt has completely stopped. Put two wooden knife changers (provided by the manufacturer) under the blade and place the cutting switch on the switch panel. The selector switch is set to the tool change position "". The knife function selector must be in the cutting position. Use a sleeve to rotate the nut on the end face of the pulley, remove all the connecting screws on the blade, and then push the knife-hanging device inward with an Allen wrench. 4MM, disengage the brake of the knife-hanging device, rotate the knife-hanging device to steadily drop the blade on two wooden knife changers, install two knife-change handles, remove the knife, and take care to hold the knife to prevent overturning and hurting people.
        Remember:
        1. Confirm the operation purpose, and don't press or push the button by mistake.
        2.Do not put your arm under the knife bed and paper press
        Mounting cutter:
        First confirm that the start button of the main motor is stopped, and that the belt pulley of the main motor is at rest. Install the sharpened blade on the tool changer, and then push the tool changer and the blade to the front of the paper press to install the blade. Position, set the cutting switch selection switch to the right-end tool change position, rotate the knife-hanging device as described above, raise the blade to the highest position, install the blade connection screw and tighten, and then loosen the 2 on the tool changer Handle, after removing the tool changer, install the remaining blade connection screws and tighten;
        Adjustment of the cutter:
        Every time a new blade is installed or the old blade is sharpened, the height of the knife bed should be manually adjusted to adjust the cutting amount of the blade to avoid accidents caused by the deeper cutting caused by the large height of the new blade. The main motor must be turned off when cutting, and can only be performed after stopping the operation!
The adjustment steps are:
        ① Make sure that the cutter is in the tool change state. First stop the main motor, press the main motor stop button, confirm that the main motor is stationary, and then set the cutting switch selection switch to the middle tool change position.
        ② Determine the cutting depth of the blade: Use a socket wrench to rotate the nut on the end face of the pulley to move the knife to the lowest point, and observe whether the cutting depth of the blade into the blade is reasonable (normally 0.5-1 mm).
        If the knife edge contacts only one end of the blade, it can be solved by adjusting the eccentric shaft on the back of the main frame.
        If the blade is worn and cannot cut the paper, move the blade down in the direction of the long hole until the paper can be cut completely.
        The specific adjustment method is as follows: turn off the main motor and power switch, loosen all the blade connection screws, set the knife to the lowest point manually, and use an Allen wrench to push the knife hanging device about 4MM inward to make the knife hanging device The brake is disengaged and the ejector cam is rotated to cause the blade to cut the paper.

        Regarding the safety of paper cutters, many digital printing practitioners easily ignore this problem. Today, Ruian Maoyuan Machinery Co., Ltd. introduces the following aspects that affect the safe use of paper cutters:
        1.Brake device
        In order to save money, many manufacturers use the principle of circuit braking, which cuts off the power supply of the circuit through the upper and lower limits of the sensor. In the case of power failure, loose sockets, sensor failure, etc., it may cause extreme conditions such as "sliding knife". In order to prevent this from happening, the motor parts of the mechanical brake must be used, so no matter what the circuit is, the motor is locked to avoid accidents.
        2.Two-button operation
        While pressing the buttons at the same time, otherwise the cutter head will not move, which can ensure the absolute safety of a single operation.
        3. In actual use, two people often operate together. In this way, the situation becomes very dangerous, which requires the front and rear safety covers for the paper cutter. When the safety cover is opened, the motor will not function, ensuring safety.
        4. During maintenance and repair, pay attention to replacing the blade to ensure that the blade is closed, which not only guarantees the safety of people, but also ensures that the edges are not damaged. In addition, the removed blade cannot be placed randomly, so as not to hurt people.