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Oscillation skills and temperature conditioning of SKF articulated bearings
Source: China Bearing Network Time: 2014-02-11
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Second, the temperature of the bearing of the bearing; generally the temperature of the outdoor surface of the SKF joint bearing can be estimated; if the oil hole can directly measure the outer ring temperature of the SKF joint bearing; it is more suitable.
Generally; the temperature of the SKF joint bearing gradually rises with the beginning of the bearing work; after 1-2 hours, the temperature reaches the stable condition. The normal temperature of the SKF joint bearing is different 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. The bearing temperature will rise sharply; abnormal high temperature will occur; 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 SKF joint bearings include: smooth lack or over-smooth; smoothing agent. Contains impurities; excessive load; SKF joint 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 SKF joint bearing temperature can be measured by means of a thermometer; for example, a digital thermometer; the bearing temperature can be accurately measured and expressed in °C or Fahrenheit temperature. Important bearing; meaning when it is damaged; Stop; therefore, the most suitable type of SKF joint bearing should be equipped with a temperature detector.
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