What are the methods of combining bolted roller bearings: 1. Wash the bearing with kerosene, press into the bearing seat, fill the rollers of the outer ring of the bearing with Shell No. 3 lithium base grease to two-thirds full, smear evenly with clean hands, and install Put on the ntn bearing gland, and press the bearing gland with the fastening bolts coated with bolt anti-loosening glue. The bearing should be sleeved on the rotating shaft and in place. 2. Install the bearing seat on the casing, and fasten the bearing seat with the fastening bolts coated with bolt anti-loosening glue. 3. The inner and outer eccentric blocks should be installed on the rotating shaft and confirmed in place. If there is a shaft key, the shaft key should be installed in the keyway, then the outer eccentric block should be installed, and the shaft retaining ring should be installed on the rotating shaft. 4. Tighten the fastening bolts of the fixed eccentric block, turn the adjustable eccentric block to make it reach the angular position before removal, and tighten the fastening bolts. After the assembly is completed, the rotating shaft should be moved in a certain axial direction. 5. Put on the protective covers at both ends of the vibration motor and fasten them with screws. The damage of vibration to the bolted roller bearing can be said to be a considerable amount of spalling, indentation, corrosion, cracks, wear, etc., which will be reflected in the vibration measurement of the bolted roller bearing. Therefore, by using a special bearing vibration measuring instrument, the magnitude of the vibration can be measured, and the specific situation of the abnormality can be inferred through the frequency distribution. The measured values ​​are different due to the application conditions of the roller bearing or the installation position of the sensor, so it is necessary to analyze and compare the measured values ​​of each machine in advance to determine the judgment scale. Maintenance of bolted roller bearings: thin oil lubrication: the advantage is that the internal friction coefficient is small, so the friction cost is less, the thin oil has good activity, easy to enter the friction surface of each lubrication point, has a good cooling effect, and can Impurities adhering to the friction surface and metal particles due to grinding are carried away. The disadvantage is that the oil film cannot withstand large unit pressures, and the requirements for sealing are high. High-speed presses are generally lubricated with large-flow thin oil, which can take away the heat generated by each friction pair.
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