Lubrication is important for importing sunthai bearings

Core Tip: In the article Checking the faults and treatments of imported sunthai bearings in operation, the importance of lubrication for imported sunthai bearings is mentioned. Now let's talk about lubrication pairs.
The importance of lubrication for imported sunthai bearings is mentioned in the article "Checking the faults and handling of imported sunthai bearings in operation". Now let's talk about the effects of lubrication on imported sunthai bearings. The correctness of the lubricant or lubrication method will greatly affect the life of the imported sunthai bearings.
The effect of lubrication on the performance of imported sunthai bearings can be divided into the following aspects:
1. First, lubricate the parts of the imported sunthai bearings to reduce the friction and wear of the imported sunthai bearings;
2. The rolling contact surface of the imported sunthai bearing often forms an appropriate oil film to prolong the fatigue life of the imported sunthai bearing;
3. By lubricating, the heat generated by the friction inside the imported sunthai bearing or other reasons is taken away;
4, through the lubrication can be achieved on the imported sunthai bearings to prevent rust and dust.
The two main lubrication methods for imported sunthai bearings are grease lubrication and oil lubrication.
Grease lubrication has a sealing method in which a grease is filled in a sealed type of sunthai bearing in advance, and a filling and fat filling method in which a proper amount of grease is filled inside the outer casing and replenished or replaced at intervals. In addition, for machines that require lubrication in a number of sunthai bearings, a centralized grease supply method is also used to connect the pipes to each lubrication location. Grease lubrication can be used after filling the grease for a long time without replenishing, and the structure of the sealing device is relatively simple, so it is widely used. Oil lubrication is relatively simple. Regular lubrication can increase the service life of imported sunthai bearings.

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Check the faults and treatment of the imported bearings during operation

Core Tip: In the process of using imported bearings, we may encounter some problems, especially when dealing with the rolling sound, vibration, lubrication and temperature of the imported bearings.
In the process of using imported bearings, we may encounter some problems, especially when dealing with the rolling sound, vibration, lubrication and temperature of the imported bearings, how to find and solve these problems, Xiaobian today and everyone share experience.
We first talk about the three aspects of the vibration, rolling and temperature of the imported bearings. Since the lubrication in the bearing is relatively large, we will expand it as a separate chapter to explain:
The first is to check the vibration of the imported bearings during operation.
From the peeling, indentation, rust, crack, wear and so on, it will be reflected in the vibration measurement of the imported bearing. The vibration of the imported bearing is very sensitive to the damage of the bearing. Therefore, by using a special imported bearing vibration measuring device (frequency analysis) The magnitude of the vibration can be measured, and the specific situation of the abnormality cannot be inferred by the frequency division. Since the measured values ​​differ depending on the conditions of use of the bearing or the mounting position of the sensor, it is necessary to analyze and compare the measured values ​​of each machine in advance to determine the judgment standard.
The second is to check the sound of the imported bearings when rolling
Because the imported bearings emit abnormal sounds and irregular sounds even if they are slightly peeled off, the sounder can be used to distinguish them. The sounder is used to check the size and sound quality of the running bearings. , play a role in prevention in advance.
Finally, check the temperature at which the imported bearing rotates.
If the oil hole can be used to directly measure the bearing outer ring temperature, it is more suitable. Under normal circumstances, the temperature of the imported bearings can generally be inferred based on the temperature outside the imported bearings. If the lubrication and installation parts are suitable, the bearing temperature will rise sharply and abnormal temperature will occur. At this time, it is necessary to stop the operation and take necessary precautions. Usually, the temperature of the imported bearing rises slowly as the operation starts, and reaches a steady state after 1-2 hours. The normal temperature of the imported bearings varies with the heat capacity, heat dissipation, speed and load of the machine. If necessary, use the thermal sensor to monitor the working temperature of the bearing at any time, and automatically alarm the household when the temperature exceeds the specified value or stop the burning shaft accident.

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