How to correctly judge INA high temperature bearing damage fault maintenance problem

Then how to deal with the INA bearing damage? If the 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, is a quality use limit called 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 high-temperature bearings, such as the ferrule of the roller bearing and the framing of the rib, it is considered as a cause of insufficient lubricant, unsuitability, defects in the oil supply structure, intrusion of foreign matter, 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 only investigating the bearing damage. However, if you know the use of imported bearings, the conditions of use, the structure around the bearing, and understand the situation before and after the accident, combined with the damage state of the bearing and several reasons, it can prevent similar accidents from happening again.
 First of all, when we remove the INA bearing, we should first use the method of photography to make a good appearance record. Also, check the amount of remaining lubricant and sample the lubricant before cleaning the high temperature bearing. The cleaning of the bearings is carried out by rough washing and fine washing, and a metal mesh frame can be placed on the bottom of the used container.
    When rough washing, remove grease or adhesive with a brush or the like in the oil. At this time, if the INA bearing is rotated in the oil, be aware that the rolling surface will be damaged by foreign matter or the like. When cleaning, the bearing is slowly rotated in the oil and must be carefully carried out.
    The cleaning agent generally used is a neutral non-aqueous diesel oil or kerosene, and a warm alkali liquid or the like is sometimes used as needed. Regardless of which cleaning agent is used, it is often filtered and kept clean. The proper selection of materials is still a factor that must be considered in bearing failure analysis. The main task of bearing failure analysis is to find out the main factors causing bearing failure based on a large number of background materials, analysis data and failure modes, so as to propose improvement measures in a targeted manner, prolong the service life of high temperature bearings, and avoid the occurrence of INA bearings. Early failure of the hair.
    According to the technical requirements of bearing installation, use, maintenance and maintenance, monitor and check the load, speed, working temperature, vibration, noise and lubrication conditions of the running INA bearing, find out the abnormality and immediately find the cause and adjust it. It returned to normal.

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