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Date: 2013-08-22

SKF bearing common faults in the solution

Bearings are even subtle damage such as stripping, acoumeter for SKF bearings in operation of large and sound reflection of a rolling sound. May announce its unusual tones and irregular sound using sound system can understand.
Such as indentation cracks, wear, corrosion, spalling, reflected in bearing vibration measurement, vibration are sensitive to the damage of the bearings of SKF bearings. So, after extraordinary bearing vibration Measurer (frequency analysis) measurement of vibration of large and, after a frequency not tell details of the exception. Measured values for bearings using the premise or the sensor installation position and differences, thus needs prior to each measurement values for the mechanical analysis of the match after the judging norms.
Plain bearing outside of room temperature can fathom out, temperature of the bearings. If using oil hole can directly measure the bearing outer ring temperature is more appropriate. Bearing temperature followed the operation gradually beginning to rise, 1-2 hours unchanged form. The normal temperature of the bearings from mechanical heat capacity, heat dissipation, speed and load differences. If installed smooth, fit, the bearing temperature rises dramatically, rendering abnormal high temperature when necessary to suspend operation, accepted the need for precautions. Based on a lot of test data, since the temperature under the influence of smooth, speed, load, and only disclose the approximate temperature of the performance limits of the values in the table. Using heat sensors can monitor the task of SKF bearings temperature and complete the active alarm when the temperature across the rule value or suspended to avoid burning the axis attack.
Without proper lubrication, lubricant on fatigue life of rolling bearings and friction, abrasion, temperature, vibration, has important implications. Bearings will not work. Analysis on cause of bearing damage marked around 40% of damage are associated with poor lubrication of the bearings. Therefore, good lubrication of the bearing is the effective measure to reduce bearing friction and wear.
In order to ensure that the bearing can be a normal, functioning for a long time, require periodic maintenance and repair of the bearing.
Generally, SKF bearings if used incorrectly, you can use up to reach fatigue life. But there are accident prematurely damage cannot be used. This early damage and fatigue life, known as the quality limits of breakdowns or accidents. Result from installation, use, not paying attention on the lubrication from outside intrusion by foreign bodies, shafts, case study on thermal effect of inadequate.
On bearing failures, such as: roller bearing rings of ribs hurt, as a reason to consider, for oil lubricant inadequate, inappropriate, construction defects, intrusion of foreign bodies, bearing misalignment, shaft deflection is too large, there will be these reasons coincide.
Therefore, only investigated damage, it is difficult to know the real causes of injury. However, if you know the bearing condition of used machinery, used, constructed around the SKF bearing, understand the situation before and after the accident, combined with several causes bearing damage and visit, they can prevent similar accidents happening again.  


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