Maintenance and overhaul of INA bearings

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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IKO bearing maintenance

1. Maintenance, inspection, and abnormal handling of IKO bearings In order to maintain the original performance of IKO bearings in good condition for as long as possible, maintenance, inspection, and accident prevention are required to ensure the reliability of operation and improve productivity. Economic. Maintenance is best carried out on a regular basis in accordance with the operating standards for the mechanical operating conditions. The contents include monitoring of operating conditions, replenishment or replacement of lubricants, and inspections for periodic disassembly.
As a maintenance item during operation, there are rotary sounds, vibration, temperature, and state of lubricant of IKO bearings.
2, IKO bearing damage and countermeasures Generally, if the IKO bearing is used correctly, it can be used until the fatigue life is reached. However, there will be accidents that are prematurely damaged and cannot be used. This early damage, as opposed to fatigue life, limits the quality of what is known as a fault or accident. Many of them are caused by inadvertent installation, use, and lubrication, and foreign objects intruding from the outside are insufficiently studied for the thermal effects of the shaft and the outer casing.
Regarding the damage state of the IKO bearing, for example, the jam of the ferrule rim of the roller IKO bearing can be considered as a cause of insufficient lubricant, unsuitability, defects in the oil supply structure, foreign matter intrusion, IKO bearing installation error, shaft If the deflection is too large, there will be coincidences of these reasons.
Therefore, it is difficult to know the true cause of the damage by investigating only IKO bearing damage. However, if you know the IKO bearing's use of machinery, the conditions of use, the structure around the IKO bearing, and understand the situation before and after the accident, combined with the damage state of IKO bearings and several reasons, it can prevent similar accidents from happening again.

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