1. Eccentric INA bearing maintenance: In order to maintain the original performance of the INA bearing in a good state for as long as possible, maintenance, overhaul, and accident prevention are required to ensure the reliability of operation and improve productivity and economy.
Maintenance is best carried out on a regular basis in accordance with the operating standards for the mechanical operating conditions. The content includes monitoring of operating conditions, replenishment or replacement of lubricants, and periodic disassembly inspections.
As a maintenance item during operation, there are eccentric INA bearing rotation sound, vibration, temperature, lubricant status, and so on.
2. Overhaul of eccentric INA bearing: Cleaning of INA bearing: When disassembling the eccentric INA bearing for inspection, first record the appearance of the eccentric INA bearing, confirm the residual amount of lubricant, and after sampling the lubricant for inspection, wash the eccentric INA bearing. As a cleaning agent, gasoline and kerosene are commonly used.
The eccentric INA bearing removed is cleaned and divided into coarse and fine cleaning. They are placed in the container respectively. The metal mesh bottom is placed first so that the INA bearing does not directly touch the container. During rough cleaning, if the INA bearing is rotated with dirt, it will damage the rolling surface of the INA bearing and should be noted. In the rough cleaning oil, use a brush to remove the grease and the adhesive. After it is almost clean, it is transferred to the fine wash.
Fine washing is to carefully rotate the eccentric INA bearing while rotating in the cleaning oil. In addition, the cleaning oil should always be kept clean.
3. Inspection and judgment of eccentric INA bearing: In order to judge whether the disassembled INA bearing can be used, it should be checked after the INA bearing is cleaned. Check the raceway surface, the rolling surface, the state of the mating surface, the wear of the cage, the increase of the INA bearing clearance, and the damage and abnormality that have a drop in dimensional accuracy. For non-separable small ball INA bearings, use one hand to support the inner ring horizontally and rotate the outer ring to check if it is smooth.
Separate INA bearings such as tapered roller bearings can be inspected separately for the rolling surfaces of the rolling elements and the outer ring.
Large INA bearings cannot be rotated by hand. Pay attention to the appearance of rolling elements, raceways, cages, ribs, etc. The higher the importance of INA bearings, the more careful inspection is required.
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