1. Imported bearings support: In order to maintain the original performance of the imported bearings in good condition for as long as possible, it is necessary to support, repair, and prevent accidents, ensure the reliability of operation, and improve consumption and economy.
The operating specifications that best correspond to the mechanical operating conditions are maintained and stopped periodically. The content includes monitoring of operating conditions, replenishment or replacement of smoothing agents, and periodic disassembly inspections. The maintenance items in operation include the rotating sound of the imported bearings, vibration, temperature, and the state of the smoothing agent.
2. Inspection and repair of the bearing: Cleaning of the bearing: When disassembling the bearing for repair, first record the appearance of the imported bearing, confirm the residual amount of the smoothing agent, and wash the bearing after sampling the smoothing agent. As a cleaning agent, gasoline and kerosene are commonly used.
The cleaning of the removed imported bearings is divided into coarse cleaning and fine cleaning. They are placed in the container respectively, and the metal mesh bottom is placed first so that the bearing does not directly contact the container. In rough cleaning, if the bearing is rotated with dirt, it will damage the rolling surface of the imported bearing and should be noted. In the rough cleaning oil, use a brush to remove the smooth grease and adhesive, and after roughly cleaning, transfer to the fine wash.
Fine washing is to carefully clean the bearing while rotating it in the cleaning oil. In addition, the cleaning oil should always be kept clean.
3. Inspection and discrimination of the bearing: In order to judge whether the removed imported bearing can be used, it is necessary to check after the bearing is cleaned. Check the condition of the raceway surface, the rolling surface, the mating surface, the wear condition of the holding frame, the increase of the bearing clearance, and the damage and abnormality caused by irrelevant dimensional accuracy. For non-detached small ball bearings, use one hand to support the inner ring and rotate the outer ring to confirm whether it is fluent.
For tapered bearings such as tapered roller bearings, the rolling surfaces of the rolling elements and the outer ring can be inspected separately.
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