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Bearing cage damage is generally divided into several stages

When the bearing is working, more or less will cause a certain degree of damage and wear due to friction, especially the high temperature operation even the bearing cage damage. According to the degree of damage, it is generally divided into different stages. Therefore, the technicians of Luoyang Fuhaihe Precision Machinery Co., Ltd. require that the bearing cages they produce must have good thermal conductivity and small friction factor to reduce the damage rate of the bearings. . Here are the four stages of bearing cage damage that you can share. Let's take a look! The first stage, the germination stage in which the bearing begins to fail, is normal temperature, normal noise, normal vibration speed and normal spectrum, but the total amount of peak energy and spectrum are symptomatic, reflecting the initial stage of bearing failure. At this time, the true bearing failure frequency appears in the ultrasonic section in the range of about 20-60 khz. In the second stage, the temperature is normal, the noise is slightly increased, the total vibration velocity is slightly increased, the vibration spectrum is not changed significantly, but the peak energy is greatly increased, and the spectrum is more prominent. The bearing failure frequency at this time appears in the range of about 500hz-2khz. In the third stage, the temperature rises slightly, the noise can be heard in the ear, and the total vibration speed increases greatly. The frequency of the bearing fault and its harmonics and sidebands are clearly visible on the spectrum of the vibration velocity, and the noise level on the vibration velocity spectrum is obvious. As the rise, the total amount of peak energy becomes larger and the spectrum becomes more prominent than in the second stage. The bearing failure frequency at this time appears in the range of about 0-1khz. It is recommended to replace the bearing at the end of the third stage. At this time, the rolling bearing fault characteristics such as wear that can be seen by the naked eye should have appeared. In the fourth stage, the temperature is obviously increased, the noise intensity is obviously changed, the total vibration speed and the total vibration displacement are obviously increased, and the bearing fault frequency begins to disappear in the vibration speed spectrum, and is replaced by a larger random broadband high-frequency noise level; The total amount of spike energy increases rapidly and some unstable changes may occur. Never let the bearing run in the fourth phase of fault development, otherwise catastrophic damage will occur. The above four stages will cause different degrees of damage to the bearing cage. In fact, there are still many problems that cannot be prevented in our daily work, because it is recommended that the personnel of the relevant personnel be classified into the third stage once the problem of the bearing cage occurs. It is recommended to replace it to avoid more serious failures.