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.

        For printers, program-controlled paper cutters are necessary machinery. Program-controlled paper cutters are used to cut paper before and after printing. The program-controlled paper cutter is easy to operate and has no special requirements on the environment. As long as the power is supplied, it can work normally. After using the program-controlled paper cutter for a long time, more or less problems will occur, such as no action of the cutter, abnormal noise, and no action of the pusher. Some users reported to us that the newly installed paper cutter cut a knife, and the blade had a problem of chipping.
        Below, I will give you a brief analysis of the cause of the chipping of the cutter of the program-controlled paper cutter. The selection of the blade sharpening angle, the quality of the sharpening, and the sharpening clearance time of the blade affect the flatness and smoothness of the paper cutting edge. Generally, the angle of the blade is 19 °. If the cut paper is hard, you need To increase the angle of the blade, if you want to improve the sharpening quality of the blade, make sure that the coolant is sufficient during the sharpening to avoid the edge annealing. Before cutting, you can first polish the blade with a fine stone and apply soap and paraffin on the blade. This can not only improve the sharpness and smoothness of the cutting edge, but also extend the service life of the cutting edge, and the quality of the finished product is better.
        The reason for the chipping in actual operation is that the operator shortens the sharpening time, and the coolant is insufficient, which causes the edge to anneal and the width to be narrowed. The nut must be adjusted during installation to make the blade cut into the pad Blades, if the nut is not adjusted properly, and the cut is too deep, it will cause chipping.

         Paper cutter We know that this is a kind of post-processing equipment for paper products, but we don't know much about how the paper cutter is driven. At present, with the development of the paper processing industry, and people's application and demand for paper, the requirements for the cutting speed of the paper cutter are becoming more and more severe. This also reflects the importance of high-speed, wide-width paper cutters to the industry from the side.
         The paper cutter drive system on the market now has two parts, namely the drive reduction ratio and the drive system. These two parts have a great impact on the speed of the equipment. Therefore, when designing, these two parts will be paid special attention, which will improve the performance of the equipment as a whole.
         The transmission of the paper cutting machine is not only related to the working speed, cutting length, reduction ratio, and transmission accuracy. Under normal circumstances, the larger the reduction ratio, the better the cutting accuracy. In addition, in general, the time of the paper cutter working on the minimum cutting length is relatively short, you can make full use of the characteristics of the speed control system to allow the speed to exceed the rated speed to properly select the reduction ratio.

        The paper cutter is exactly what the name suggests. Paper cutting machine is an indispensable mechanical equipment of the printing plant, mainly used to deal with paper cutting needs in the early and late printing.
        The development of paper cutters has evolved from mechanical paper cutters to tape-controlled paper cutters, and to microcomputer program control, color display, full image operation guided visual processing, and computer-aided cutting external programming and editing production data cutting system , Making the paper cutting machine shorter preparation time, higher cutting accuracy, lower labor intensity, and safer operation. The operation of the paper cutter is simple, and the environment is also adaptable.
        Usually work is guaranteed in the workshop with a stable power supply. Generally, the paper cutter has an automatic switch system. As long as the paper is placed and the start button is pressed, the cutter will automatically rotate to cut the paper. There are also some advanced paper cutters that simply press the start button and the cutter will rotate to continue cutting. After the paper is shredded, press the stop button to stop the cutter from rotating and clear the paper scraps on the cutter in time.
        Now most of the paper cutters are equipped with overloaded power-off newspaper devices, that is, the motors of the paper cutters will automatically stop when they are overloaded and run hot. Stop using it for 20 to 30 minutes to allow the motor to cool. At the same time, the amount of input paper should be appropriately reduced when used again.