Date: 2013-08-20

SKF bearing temperature is unusually high for fault handling

Periodic measurement of bearing temperature using a thermometer, such as digital thermometers for precision measuring and SKF bearing temperature degrees centigrade or Fahrenheit units display. The importance of SKF bearings to the effect that, when it is damaged, will cause the device to shut down, so this type of bearings should preferably install temperature scanners. Under normal circumstances, after in the lubrication of the bearing or lubrication will have natural temperatures rise and lasts 1-2 days.
Usually, the working temperature above 150 ° called high temperature bearings using SKF bearings, due to chromium bearing steel in use when the temperature exceeds 150 °, dramatic decline of its hardness, dimensional instability, bearing does not work properly. So for operating temperature 150 ° to 350 ° conditions of bearings, rings and rolling elements still use ordinary high-carbon chromium bearing steel, bearing components must be special tempering process, should generally be higher than the operating temperature tempering under 50 °. Bearing steels after tempering treatment according to these requirements, will work in temperatures under normal use. But due to the decline in hardness after tempering, SKF bearing life has decreased.
Check and record work for SKF bearings in critical condition, the analysis of such information, you can identify problems, in the event of failure before the maintenance. So as to ensure the safety of bearings to use!
First of all is to be identified based on the SKF bearing rolling sound and check
Sound system we can use test, in the operation of SKF bearing rolling sound and sound to be checked. Even with minor injuries such as split because SKF bearings, also is making an abnormal sound and irregular sound, using the acoustic measurement can be distinguished, to advance the role of prevention.
Second SKF bearing vibration at work to identify checks
Vibration damage to the bearings of SKF bearings are very sensitive. Such as indentation, rust, cracks, spalling, wear will be reflected in the SKF bearing vibration measurement, therefore, through the use of special SKF bearing vibration Measurer (frequency Analyzer, etc) can measure the size of the vibration, through frequency cannot be inferred from specific situations of exception. Measured the numerical bearing conditions of use or different sensors such as installation location and therefore require prior to analysis and comparison of measurement values of each machine are determined criteria.

 

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