Talking about the daily maintenance and maintenance of the printing machine
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The press is the central equipment of the printing house and one of the most utilized devices in all of the printing plant. In order to ensure the normal operation of the printing press, daily maintenance and maintenance are essential and necessary. The daily maintenance and maintenance of the printing press is an important task in the management of printing equipment. Let's briefly talk about the daily maintenance and maintenance of the machine from the following aspects.
First, the static maintenance of the printing machine
The static maintenance of the press refers to the maintenance of the machine under static conditions.
1. Establish regulations for machine maintenance. The offset machine maintenance should be based on the machine's instructions. Such as regular oil changes, cleaning filters, and regular inspection of machine accuracy.
2. Strengthen the maintenance of important parts. Gears, cams, sprockets, rollers and bearings are the most important components on a press, and their maintenance is different from other components because their accuracy will affect the final print quality. The spring is the most part of the machine used for the force balance mechanism. The quality of the work directly determines the precision of the interaction of the moving parts. The spring must be sensitive and elastic, and the elastic and irreversible plastic deformation work on the spring. Extremely unfavorable. If you find the above problem, you need to replace the spring immediately.
3. Carry out technical reforms and strengthen machine maintenance. Machine maintenance requires that the machine be designed with the convenience of machine maintenance in mind. However, due to the complexity of the printing press, it is obviously impossible to take every factor into account, and the environment changes, the content of machine maintenance will also change. Therefore, it is necessary to improve the structure that is not conducive to machine maintenance without affecting normal work.
Second, the dynamic maintenance of the printing press.
Dynamic maintenance of the press refers to the maintenance of the machine while the press is in a dynamic state. Static maintenance of the machine is the premise of dynamic maintenance of the machine, and the dynamic operation of the machine can in turn detect the level of static maintenance of the machine. The dynamic maintenance of the machine is quite important. The following is a summary of the main content of maintenance under machine dynamics from several aspects.
1. Machine preparation status detection. The state of preparation of the machine can be detected by jogging or turning. If other items such as tools are stuck in the machine; whether the plate is installed properly, if it is not suitable, it may cause damage to the plate or cause difficulty in finding the rules; whether the blanket is installed properly, if not, it is possible Causes printing failure, which can damage the blanket or machine in severe cases.
2. The lubrication state of the machine. First of all, you can observe whether the oil path of the machine is unblocked by the oil mark. If the oil mark is not oily or the oil mark is unclear, you should check the oil circuit for oil leakage. Although the oil leakage of the machine is easy to observe, it is difficult to find the cause. For machines such as plain bearings, low speed is not conducive to lubrication, especially jog or low speed operation has a greater impact on lubrication. Therefore, before performing such operations, it is best to first idling the machine to refuel, which is also a top priority before going to work every day. Some machines' oil pumps are driven by the main engine. Therefore, when the point is reversed, the oil circuit can not only add fuel, but will suck the oil from the oil circuit back to the fuel tank. This is very dangerous, so the reverse point should be avoided. Lubrication of some important parts can also be detected by the temperature of the metal nearby. If the temperature is too high, it indicates that there is a problem with lubrication.
3. Impact during the operation of the machine. The smaller the impact during the operation of the machine, the better the printing, and the longer the life of the machine. Reducing the printing pressure (in a broad sense of pressure) is an important condition to ensure the smooth operation of the machine. Under the premise of ensuring the quality of the printed product, the printing pressure is as small as possible. Reducing the speed of the machine is another important condition for reducing the moment of inertia of the machine. The lower the speed of the machine, the smaller the moment of inertia of the machine, so the machine should not be kept at high speed.
The above aspects are only part of the daily maintenance and maintenance of the printing press. The quality of the daily maintenance and maintenance of the printing press directly affects the service life and product quality of the printing press, so it cannot be taken lightly.