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Bearing oscillation and bearing temperature view
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Second, the temperature of the bearing of the bearing; generally the temperature outside the bearing can be estimated; if the oil hole can directly measure the bearing outer ring temperature; it is more suitable.
Generally; the temperature of the bearing gradually rises with the start of the bearing; the steady state is reached 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. If it is smooth, the device is suitable; Will rise sharply; there will be abnormally high temperatures; it is necessary to stop the work; take necessary precautions.
The thermal sensor can be used to monitor the working temperature of the bearing at any time; and when the temperature exceeds the specified value, the alarm is automatically activated or suspended to avoid the ignition of the shaft.
The high temperature often indicates that the bearing is in an abnormal condition. The high temperature is also harmful to the smoothing agent of the bearing. Sometimes the bearing overheating can be attributed to the smoothing agent of the bearing. If the bearing rotates for a long time beyond 125 °C, the bearing life will decrease. The reasons for high temperature bearings include: smooth lack or over-smooth; smoothing agent. Contains impurities; excessive load; bearing loss ring; lack of clearance; and high friction of oil seal attack.
Therefore, it is necessary to continuously monitor the bearing temperature; whether it is measuring the bearing itself or other important parts. If it is in the same working conditions; any temperature change can indicate that the problem has occurred.
The timing measurement of the bearing temperature can be measured by means of a thermometer; for example, skf digital thermometer; the bearing temperature can be accurately measured and displayed according to °C or Fahrenheit temperature.
Importance of the bearing; meaning that when it is damaged; it will form a stop of the equipment; therefore, the most suitable type of such a bearing should be equipped with a temperature detector.
Under normal conditions; the bearing will have a natural temperature rise just after smoothing or smoothing back and continue for one or two days.
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