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When the TIMKEN bearing temperature rise, must first determine whether the wrong action, if the temperature is rising, should do the following treatment immediately:
(1) check the cooling water pressure, flow and pipe system is normal. If low water pressure may be clogged filter, cannot be handled in time, can be shut down, when the confirmation work, and then put into use.
(2) governor oil pressure should be checked, if oil pressure may lead to cooling water hydraulic valve.
(3) check the TIMKEN bearing whether there is abnormal sound, and the detection of TIMKEN swing bearing is abnormal.
(4) the oil sampling observation of oil color is changing, and tests to see if spoilage. If the confirmation deterioration, downtime should be replaced with new oil.
(5) check the oil level gauge oil level is normal, if not normal, check whether the tank vent valve close. If you have secured, should fill oil, if it is a sealant gasket oil leakage, should stop processing.
In short, appear to avoid TIMKEN bearing high temperature phenomenon, increase its service life.
1, SKF bearing vibration
SKF bearing vibration is very sensitive to the bearing damage, such as peeling, indentation, rust, crack, wear will be reflected, in the measurement of bearing vibration so, through the use of special bearing vibration measuring device (frequency analyzer etc) can measure the size of the vibration, the frequency cannot be inferred from abnormal situation. The measured values, and different bearing conditions of use or the sensor installation location, therefore require prior to each machine measurement comparison criteria.
2, SKF bearing temperature
SKF bearing temperature, generally bearing outside of room temperature can be speculated that, if the uses of oil hole can directly measure the temperature of the bearing outer ring, the more appropriate.
Usually, the temperature of the bearing with bearing running slowly rising, reach a steady state after 1-2 hours. The normal temperature of the bearing is due to the heat capacity, the machine heat dissipating capacity, speed and load and different. If the lubrication, install appropriate, bearing temperature will rise rapidly, there will be abnormal high temperature, then we must stop, take the necessary preventive measures.
The use of thermal exchanger can always monitor the bearing temperature, and when the temperature exceeds the specified value alarm or stop to prevent burning shaft accident.
High temperature often bearings in unusual circumstances. High temperatures may also be harmful to the bearing lubricant. Sometimes overheated bearings can be attributed to the bearing lubricant. If the bearing at the temperature higher than 125 DEG C - even move to reduce bearing life. Cause of high temperature bearings causes include: insufficient or excessive lubrication lubrication, lubricant. Contains impurities, heavy load, bearing damage, lack of space, and oil have high friction etc..
Therefore continuity bearing temperature monitoring is necessary, whether measured or other important parts of the bearing itself. If it is in operation under the same conditions, any temperature changes may have trouble.
Regular SKF bearing temperature can be measured with the help of SKF digital thermometer thermometer, for example, can be accurately measured bearing temperature and in C or Fahrenheit temperature display unit.
The importance of the bearing, means when it is damaged, will cause the equipment downtime, so this type of bearing is best equipped with temperature detector.
Under normal circumstances, SKF bearings in the lubrication or relubrication after there will be natural temperature rises and for a day or two.