Frictional vibration mainly refers to abnormal vibration of rolling bearings, generally friction vibration is likely to occur in the ball bearing large, with grease lubricated especially lubrication performance grease not HERSHEY′S is more likely to happen. Delik Qingdao bearing company technicians according to the test and observation, friction vibration of FAG cylindrical roller bearings often have a direct relationship with the property of lubricating oil. When the lubricating oil is not good or not clean, then prone to friction vibration, but also with the rolling bearing outer raceway machining quality, if it adopts special processing methods of precision, can effectively control frictional vibration.
The rolling bearing vibration basically is caused by the vibration of bearing rings, and the structure of the bearing, rigidity, precision manufacturing, installation and use of. If the bearing inner race with radial corrugated larger Road, the inner ring to rotate the outer ring of the bearing will produce radial vibration. Corrugated bearing inner ring will not only cause the radial vibration of the outer ring, but also will cause the axial vibration of the bearing outer ring, will make the axial bearings, the relative position change under axial load, so the outer ring rotates FAG cylindrical roller bearings are produced axial vibration export shaker at work, for high speed rotation of the bearing, the vibration frequency ripple caused, be equal to the rotational frequency of vibration exciter shaft, which produce resonance.
1, keep the bearings and the surrounding environment clean
Even the naked eye cannot see tiny dust into the bearing, also will increase the wear of FAG cylindrical roller bearing, vibration and noise. Bearing and its peripheral accessories should be kept clean, especially the dust and dirt, tools and working environment must be kept clean.
2, use the installation carefully
Do not allow powerful punch, do not allow the use of direct percussion hammer, FAG cylindrical roller bearings, are not allowed to pass through the rolling pressure.
Installation tool 3, appropriate use, accurate
As far as possible the use of special tools, to avoid the use of fabric and fiber or something.
4, to prevent the bearing corrosion
The direct use of hands to take bearings, should wash hands sweat, and coated with high quality mineral oil before operation, during the rainy season and summer with particular attention to rust. However, in some special operating conditions, the bearing can have a longer life expectancy in traditional computing, especially in the light load conditions. These special operating conditions, when the rolling surface (track and rolling) is may cause surface damage effectively separated by a lubricant film and limit pollutants. In fact, in ideal conditions, the so-called permanent bearing life is possible.