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How to check the fault and disposal of INA bearing at work
Source: China Bearing Network Time: 2017-12-25
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2. Secondly, the oscillation of the bearing in the work to identify the INA bearing oscillation is very sensitive to the damage of the bearing. For example, shedding, indentation, rust, crack, wear, etc. will be reflected in the oscillation measurement of the bearing; Bearing oscillating measuring device (frequency analyzer, etc.) can measure the large oscillation. Deshi 豢 豢 豢 鲆 鲆 鲆 5 5 5 5 5 5 5 5 5 . . . . . . . . . . . . . . . . . . . . . . . Therefore, it is necessary to distinguish the measured values ​​of the measured values ​​of each machine beforehand.
3. Finally, the temperature of the bearing is checked according to the temperature of the bearing; generally it can be inferred from the temperature outside the bearing; it is assumed that the oil hole can directly measure the temperature of the bearing outer ring;
Generally; the temperature of the INA bearing gradually rises with the work; it reaches a stable condition after 1-2 hours. The normal temperature of the bearing is due to the heat capacity of the machine; the heat dissipation; the speed and load are different. Assume smooth, the equipment is suitable; then the bearing temperature It will rise sharply; abnormal temperature will occur; it is necessary to work intermittently; adopt the necessary precautions. According to many test data, because the temperature is affected by smoothness, speed, load and environment; the table value only indicates the approximate temperature scale. The thermal sensor can monitor the working temperature of the bearing at any time; and when the temperature exceeds the standard value, the alarm is activated or the ignition is prevented from happening.
When changing the INA bearing; it should be very smooth without abnormal noise; there should be no impurities. The imported bearing promises a slight working noise during work; if the sound is too loud or there is abnormal noise or impact sound, it indicates that the bearing is faulty. The bearing anti-rust treatment uses a scent-proof rust-proof oil; and the amount is not large. The whole bearing is clean and aromatic.
The bearing has a precise chamfer at the intersection of the horizontal and vertical faces; and has a black edge.
The bearing is in the normal operation process; the bearing part of the bearing device promises a certain temperature; when the tissue shell is touched by hand; it should be normal without feeling tricky.
If the temperature of the bearing application process is too high, it can be considered whether the smooth oil quality can meet the requirements or change; the smooth oil viscosity is too high, or the device is too tightly installed, the bearing is installed too tightly, the bearing cage or the rolling body is broken, etc. .
There are many reasons for the noise of the rolling bearing; one is that the inner and outer rings of the bearing cooperate with the outer surface wear. There are; the INA bearing is lacking in smoothness; the dry conflict is formed; and the bearing is broken and the abnormal movement will occur.
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