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Precautions For Fag Bearing In Use
Precautions For Fag Bearing In Use
2022-02-07
Key Steps For Regular Inspection Of Skf Imported Bearings
Key Steps For Regular Inspection Of Skf Imported Bearings
2022-02-07

Inspection Of Vibration And Temperature Of Nsk Bearing

Inspection Of Vibration 

1. Vibration of NSK bearing

NSK bearing vibration is very Of Vibration sensitive to bearing damage, such as peeling, indentation, corrosion, crack, wear, etc., which will be reflected in the bearing vibration measurement. Therefore, the vibration can be measured by using a special bearing vibration meter (frequency analyzer, etc.),

and the specific abnormal situation can not be inferred by frequency division. The measured values are different due to the service conditions of the bearing or the installation position of the sensor. Therefore, it is necessary to analyze and compare the measured values of each machine in advance to determine the judgment standard.

2. Temperature of NSK inlet bearing

Generally, the temperature of NSK bearing can be inferred from the Of Vibration temperature outside the bearing chamber. It is more appropriate if the oil hole can be used to directly measure the temperature of the outer ring of the bearing.

Usually, the temperature of the bearing starts to rise slowly with the operation of the bearing, and reaches a stable state after 1-2 Of Vibration hours. The normal temperature of the bearing varies with the heat capacity, heat dissipation, speed and load of the machine.

If the lubrication and installation parts are appropriate, the bearing temperature will rise sharply and abnormal high temperature will Of Vibration occur. At this time, the operation must be stopped and necessary preventive measures must be taken.

Inspection Of Vibration And Temperature Of Nsk Bearing

The thermal sensor can monitor the working temperature of the bearing at any time,

and automatically alarm or stop when the temperature exceeds the specified value to prevent the Of Vibration occurrence of combustion shaft accident.

High temperature often indicates that the bearing is in an abnormal condition. High temperature is also harmful to the lubricant of the bearing. Sometimes bearing overheating can be attributed to the lubricant of the bearing. If the temperature of the bearing exceeds 125 ℃ for a long time, the service life of the bearing will be reduced.

The causes of high temperature bearings include insufficient or excessive lubrication and lubricant. It contains impurities, excessive load, bearing ring Of Vibration damage, insufficient clearance, high friction caused by oil seal, etc.

Therefore, it is necessary to continuously monitor the bearing temperature, whether it is measuring the bearing itself or other important parts. If the Of Vibration operating conditions remain unchanged, any temperature change can indicate that a fault has occurred.

The periodic measurement of bearing temperature can be aided by thermometer, such as digital thermometer, which can Of Vibration accurately measure the bearing temperature and display it in ℃ or Fahrenheit.

Important bearing means that when it is damaged, it will cause equipment shutdown. Therefore, this kind of bearing should be equipped with temperature detector.

Under normal circumstances, the bearing will have a natural temperature rise after just lubrication or re lubrication and last for one or two days.

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