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Ways To Extend The Service Life Of NSK Bearings

Source:  skf bearing  Time:  2021-05-19

  NSK bearings use water-soluble cutting fluid, and users must pay more attention to machine tool maintenance and management to control the generation of corrosion and even eliminate corrosion. In order to prevent water from corroding the metal surface, the machine tool should be lubricated with sufficient oil frequently, and grease should be applied to the important parts of the machine tool.

  NSK bearings can have a long life under correct use. If damage occurs prematurely, it is likely to be caused by incorrect selection, improper use or poor lubrication.

  Therefore, when installing the bearing, we need to record the machine type, installation location, use conditions and surrounding coordination. Research and summarize the type of bearing damage and the use environment when the problem occurs to avoid similar situations from happening again.


  Accurately control the concentration of the cutting fluid. When the machine is stopped, use the cutting fluid to clean the surface of the machine, and open the machine guard to dissipate the humid air in the working area of ​​the machine. In order to prevent the occurrence of electric corrosion, a layer of waterproof lubricating grease should be applied to the metal surface. Moreover, the machine tool should be grounded strictly. It is not enough to ground the electrical cabinet. In order to avoid the breeding and reproduction of bacteria, the cutting fluid should be cleaned or replaced regularly, the cutting chips should be removed in time, and soft water (purified water with low mineral content) should be used. ) Dilute the cutting concentrate.


  In addition to excellent quality, NSK bearings are also very precise parts. They are high-performance bearings. If they are used improperly, they will not only fail to achieve the expected performance results, but also easily damage the bearings. In terms of lubrication, everyone is sure Attention already.


  1. When using and installing, be careful not to allow strong punching, to knock the bearing with a vertical connection, and not to transmit pressure through the rolling elements.


  2. Use appropriate and accurate installation tools as much as possible to use special tools, and try to avoid the use of cloth and short fibers.


  3. Try to keep the bearing and its surrounding environment clean, even if the invisible smile dust enters the bearing, it will increase the wear, vibration and noise of the bearing.


  4. Prevent the corrosion of the bearing.

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  When picking up the bearing directly by hand, wash away the liquid on your hands and apply high-quality mineral oil before proceeding. Pay special attention to rust prevention during the rainy season and summer. Under certain special operating conditions, NSK bearings can obtain a longer life than traditional calculations, especially under light load conditions. These special operating conditions are when the rolling surfaces (tracks and rolling elements) are effectively separated by a lubricating oil film and limit the surface damage that may be caused by contaminants. In fact, under ideal conditions, the so-called permanent bearing life is possible.


  After the bearing is installed, if the alignment is not carried out carefully, the alignment may cause the bearing to suffer additional load, friction and vibration. These may accelerate fatigue and reduce the service life of the bearing, and may damage the service life of other machine parts. In addition, increased vibration and friction can greatly increase energy consumption and the risk of premature failure.


  During use, it is necessary to frequently monitor the basic external conditions of bearing operation, such as temperature, vibration and noise measurement and so on. These regular inspections will detect potential problems early and prevent unexpected machine stoppages, so that the production plan can be realized, and the productivity and efficiency of the factory will be improved.


  In the process of operation, NSK bearings require correct relubrication to perfect its performance. The method of bearing lubrication is divided into grease lubrication and oil lubrication. In order to make the bearing function well, first of all, it is necessary to choose a lubrication method suitable for the use conditions and purpose. If only lubrication is considered, the lubricity of oil lubrication is dominant. But grease lubrication has the advantage of simplifying the structure around the bearing.


  When the NSK bearing reaches its end of life, it should be replaced. Although the bearing can no longer be used, the correct removal of the original bearing and timely replacement of the new bearing can greatly promote the extension of the service life of the new bearing. First of all, the use of tools for proper unloading methods will help prevent damage to other machine components. Secondly, incorrect unloading techniques may cause harm to the operator.