Date: 2013-08-20

How to use temperature to determine the bearings of SKF bearings damage

SKF bearing vibration damage to the bearing is very sensitive, such as spalling, indentation, rust, cracks, wear will be reflected in the SKF bearing vibration measurement, so by using a special measuring bearing vibration (frequency Analyzer, etc) can measure the size of the vibration, through frequency cannot be inferred from specific situations of exception. Measured value due to conditions of use of SKF bearings or sensor installation locations vary, therefore require prior to analysis and comparison of measurement values of each machine are determined benchmarks.
SKF bearing temperature, General bearing outside of room temperature can be speculated that, if the uses of oil hole can direct measurement of outer ring of SKF bearing temperature is more appropriate.
Generally, SKF bearing temperature as bearing operation began to slowly rise, 1-2 hours later to reach a steady state. SKF bearing normal temperature due to the heat capacity of the machine, heat dissipation, speed and load to another. If lubricated, install appropriate, bearing temperature quick rise, abnormal high temperature occurs, in which case you must stop, take the necessary preventive measures.
Using heat sensors can monitor the SKF bearing operating temperature, and temperature alarm when exceeding a specified value or stop preventing the burning shaft accident.
Frequently expressed is in the high temperature anomalies. High temperatures may also be harmful to SKF bearing lubricant. Sometimes bearing overheating can blame on the bearing lubricant. If SKF bearings in more than 125 ℃ temperature long-term continuous transfers reduce bearing life. Cause of the high temperature SKF bearings includes: lubrication is insufficient or excessive lubrication, lubricant. Contains impurities, excessive load, SKF bearing loss rings, insufficient clearances, and oil have high friction and so on.

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