The reasons for the premature failure of the bearing teach you to improve the life of the bearing from four aspects. The full-roller bearing without outer ring is an important component in modern mechanical equipment, and the amount is amazing. Taking a car as an example, a car usually needs 100 to 150 bearings to ensure normal driving. The main function of the bearing is to support the mechanical torsion body, reduce the friction coefficient during the movement, and ensure its reversal accuracy. During the application process, the problems of premature bearing damage and short service life troubled workers in every industry. The following is a detailed description of the methods and methods for extending the service life of bearings: 1. Poor lubrication According to observation, poor lubrication is a very important cause of premature bearing damage. In the case of premature damage, 50% are due to lubrication The faults are caused by: not adding lubrication products in real time, wrong selection of lubrication products or not filling in place, inaccurate lubrication methods, etc. Recommendation: Before lubricating a full complement of roller bearings without an outer ring, be sure to select an accurate lubrication product and apply an accurate method to fill it. 2. Exhausted damage Exhausted damage is another common damage method for bearings. In the case of premature damage, 34% are motivated by this. The main reasons for bearing fatigue are: long-term overload operation of the bearing, failure of the bearing to be repaired in time or improper repair, aging equipment and so on. Suggestion: select a suitable bearing type, regularly inspect and replace the exhausted bearing in real time. 3. Improper placement The reduction in bearing life due to improper placement accounts for about 16%. Generally speaking, it mainly includes the following two specific reasons: At the beginning, the placement was too hard, for example, some staff would knock with a hammer Strike the bearing, which is very dangerous to the bearing, and it is very easy to cause its deformation. Secondly, there is an error in the process of placement, and it is not installed in the bearing position, which causes the bearing clearance to be too small, or the outer and inner rings are not concentric. Suggestion: choose a proper or professional bearing placement object before placement, and don't forget to use a special instrument for inspection after placement. 4. Pollution Pollution means that impurities such as dust and metal chips enter the bearing, which is also a cause of premature bearing damage that cannot be ignored, accounting for about 14% of all causes. Opening the package too early before application will cause contamination inside, and at the same time, the dirty working environment during the placement process will cause contamination of the bearing. Recommendation: Do not unpack the bearing in advance before application; at the same time, keep the installation environment clean during installation. In addition, the applied bearing should be cleaned regularly to prevent pollution; the sealing assembly of the bearing should be strengthened.
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