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NSK bearing corrosion control and elimination skills extended application cycle
Source: China Bearing Network Time: 2018-03-22
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NSK bearings can have a long life under the correct application. If it is a premature damage, it can be because of the wrong selection, improper use or smooth formation.
Therefore; when installing the bearing; we need to record the variety of the machine; the device parts; the operating conditions and the surrounding cooperation. After the study to summarize the type of bearing damage; the use of the environment when the problem occurs; to avoid similar situations.
Accurately control the concentration of cutting fluid; when the machine is shut down; use the cutting fluid to clean the surface of the machine; and open the machine cover; to disperse the humid air in the working area of ​​the machine. To avoid the occurrence of electric corrosion; The upper layer of waterproof and smooth grease should be grounded strictly; the grounding of the electrical cabinet is not acceptable; to avoid the proliferation and reproduction of bacteria; the sanitary fluid should be replaced regularly or replaced; the chips should be removed in time; and soft water should be used. (Pure water with low mineral content) dilute the cutting concentrate.
NSK bearings are not only excellent in quality; they are also classified as very fine parts; they are high-performance bearings; if they are used improperly in the application process; not only can not achieve the expected function; and it is very simple to damage the bearings; in the smooth aspect we must Has been focused on.
First, the use of the device should be careful not to allow strong stamping; it is not allowed to use vertical joints to strike the bearings; it is not allowed to pass the pressure through the rolling body.
Second, use appropriate and precise devices to try to use special things; try to avoid the use of cloth and short fibers and the like.
Third, try to adhere to the bearing and its surrounding environment, even if the invisible shallow dust enters the bearing; it will also add bearing wear; oscillation and noise.
Fourth, to avoid the corrosion of the bearing. When taking the bearing directly by hand; wash the liquid on the hand thoroughly; and apply it with high-quality mineral oil; then pay special attention to rust prevention during the dry season and summer. Under the operating conditions; NSK bearings can obtain better lifespan than traditional accounting; especially under light load conditions. These special operating conditions are; when the rolling surface (track and roll) is effectively separated by a smooth oil film and Conformity of contaminants can cause damage to the exterior. In fact; under ambition; the so-called Eternal bearing life is achievable.
After the bearing unit is installed, if it is not carefully aligned, the alignment can cause the bearing to suffer other loads, conflicts and oscillations. These can speed up the fatigue and reduce the service life of the bearing, and can damage the use of other machine parts. In addition, the added oscillations and conflicts can add significant energy consumption and premature failure risk.
During the application time, the fundamental external conditions of bearing operation, such as temperature, oscillation and noise measurement, etc., are often monitored. These regular views will identify potential problems early and will avoid the appearance of unexpected machine discontinuities; Production planning is completed, progressive plant productivity and power.
In the course of operation, NSK bearing requirements are correct and smooth again; complete its embodiment. The method of smooth bearing; is divided into smooth grease and smooth oil. In order to make the bearing perform well; first; choose the appropriate operating conditions, use A sleek approach to intent. If you only think about smoothness; the smoothness of the oil is dominant. But the grease is smooth and has the expertise to simplify the layout around the bearing.
When the NSK bearing will reach its end of service life, it should be replaced. Although the bearing can no longer be used, the original bearing is properly removed; the new bearing is replaced in time; the extension of the life of the new bearing is extended. It can play a very good role in promoting. First, the use of proper removal means will help prevent damage to other machine components. Second, the skill of improper removal can cause damage to the operator.
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