Detection of Bearing Running Process

Detection of Bearing Running Process

Bearing rolling sound: the use of sound measuring device in the operation of the bearing rolling sound size and sound quality check, even if the bearing is very slight scratches, but also issued abnormal sound and irregular sound, sound measuring device can be a good solution to this problem. If the lubrication and installation part are appropriate, the bearing temperature will rise sharply, and the temperature will rise abnormally. At this time, the operation must stop and necessary preventive measures must be taken. Based on a large number of test data, table 4-1 lists the average temperature of the outer ring of bearings in various machines for reference. Since the temperature is affected by lubrication, rotation speed, load and environment, the median value in the table only indicates the approximate temperature range.

The vibration of the bearing, bearing vibration response to bearing damage or obvious, such as the common problems of indentation, rust, crack, peeling, wear, etc. At the time of testing can clearly feel, so, through the use of special bearing vibration tester (frequency analyzer, etc.) can measure the size of the vibration, through frequency points cannot deduce the abnormal situation. The measured values vary depending on the conditions of use of the bearing or the location of the sensor, so it is necessary to perform certain operations on the measured values of each machine in advance to determine the final data.

Bearing temperature: bearing temperature, some bearing temperature can be measured, if the use of oil hole can directly measure the bearing outer ring temperature, it is more appropriate. Usually, the temperature of the bearing slowly rises as the operation begins and becomes stable after a few hours. The normal temperature of the bearing will be different due to the heat capacity of the machine, heat dissipation, rotation speed and the way of rotation. The use of heat sensors can monitor the operating temperature of the bearing at any time, can be prepared and alert before the accident.