Precautions for installation of offset printing machine

5.10 Some other problems with machine installation

1. Computer room size

Due to the higher requirements of the printing environment, the larger the room, the more difficult it is to control the temperature and humidity of the environment. From this point of view, the smaller the room, the better. So for color printing equipment, it is better to be a single machine and a single room, especially for multi-color machines. However, the smaller the room, the greater the noise, so it is best to install a silencer in a small room.

2. The location of the cardboard

For printing equipment with a printing plate, the paper is relatively soft, so the requirements for the Yan paper are very high. Therefore, the smelling cardboard is generally placed on the paper feeding part or the operation side of the machine. When the machine is in place, it should be Leave some space for the broken cardboard.

3. Installation of electric box

The electric box is a major issue that should be considered when installing the machine. Its location should be in the safest place, that is, the place with the lowest utilization rate around the machine, so it is generally installed on the transmission surface of the machine (the road junction box is closest Some people put the electric box on the machine's operating table, this design is obviously unreasonable. The wiring between the electric box and the machine should be well protected, in addition to the snake skin tube itself, it should also be Dig a trench in the ground, bury the money in the ground, or cover it with a wooden box. The wires inside the machine should also be well arranged. The clips must be clamped, and the sockets with poor contact must be reinstalled. The connection between the power supply and the electrical box in the workshop should also be protected by the above method. In addition, the ground wire of the machine itself must be installed reliably, otherwise it will cause circuit failure, usually the ground wire should be buried into the ground about 1m. For insurance, you can also connect the ground wire to the base of the machine. When the machine is short-circuited or overloaded, if the protection device of the machine itself fails, it will have a bad impact on the external power supply, so the external power supply It should also be installed to protect the circuit.

4. Gas route

The routing of the gas path should also be considered carefully. From the perspective of the gas path, the shorter the gas path, the better, so the small-capacity air pump can be directly installed near the machine base. For large-capacity air pumps, due to their high noise and increased temperature, they should be placed farther away from the machine. If possible, the pump house can be built separately. This will reduce noise and benefit the protection of the air pump. From the air pump to the machine, use a small damping pipe (such as steel pipe) to supply air. However, the general pump room should be as close as possible to the machine, and it is not recommended that multiple machines share the same pump room.

5. Installation of oil circuit

The oil circuit is an important issue to be considered when installing the machine. Therefore, when installing the machine, the oil circuit should be checked in detail. The oil number must be selected correctly. The amount of oil should meet the specified requirements. It is best to add butter to the place where butter is added. Ensure reliable lubrication of the machine. This should be done even for machines that have not been used for a long time.

6. The safety of the machine

The safety status of the machine should be mentioned on the schedule from the beginning to the end. When there are hidden dangers in the application, it should be excluded. If it cannot be ruled out for a time, the record should be made and excluded before the power is turned on. Because there are always some places that are not fully considered when debugging the machine, such as the paper table lifting exceeds the specified requirements, the result may damage the chain or cause other accidents. Therefore, it is best to follow the instructions step by step when installing the machine, and the installer should be in the best working state.

7. Machine building

The precision of the printing machine is very high, so you should be very careful when moving the machine:

â‘ Do not let the machine collide with other objects during transportation, otherwise the lighter machine cannot be installed on schedule, and the heavy one will cause the whole machine to be scrapped;
â‘¡ When moving the machine, the center of gravity of the machine should be as low as possible, so that it can be kept stable during the process of handling;
â‘¢The base of the machine should be padded with wooden boards. Do not directly contact the base with a crowbar, steel pipe or jack, otherwise the contact surface will be damaged;
â‘£ When the machine is docked or leveled, every step should be carried out carefully, otherwise the joints will collide and the related parts will be damaged, so the handling and installation personnel must have knowledge and ability in this respect.

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