Composite bearing is an important component of modern mechanical equipment, and its consumption is amazing. Take a car for example, a car usually needs 100 to 150 composite bearings to ensure normal driving.
The main function of composite bearing is to support the mechanical rotating body, reduce the friction coefficient in the process of motion, and ensure its rotating accuracy. In the process of use, the premature damage and short life of composite bearings have troubled workers in every industry. Today I want to share with you some methods and techniques for prolonging the service life of composite bearings.
1, poor lubrication
According to the investigation, poor lubrication is one of the main reasons for premature damage of composite bearings. 50% of premature damage is caused by poor lubrication. Specifically, it includes: no timely filling of lubrication products, wrong selection of lubrication products or not filling in place, incorrect lubrication methods and so on.
Suggestions are: before lubricating composite bearings, we must choose the right lubricating products and use the right way to add fuel.
2. Fatigue failure
Fatigue damage is another common damage mode of composite bearings, which causes 34% of premature damage. The main causes of fatigue of composite bearings are: long-term overload operation of composite bearings, failure of composite bearings to repair in time or improper maintenance, equipment aging and so on. Suggestions here are: Choose the appropriate type of composite bearings, periodically check and timely replace the fatigue composite bearings.
3. Improper Installation
Due to improper installation, the service life of composite bearings decreases by about 16%. Generally speaking, there are two specific reasons: first, the installation is too hard, for example, some workers will hit composite bearings with hammers, which is very harmful to composite bearings, and it is easy to cause changes. Shape. Secondly, there are deviations in the installation process, and the composite bearing position is not installed, resulting in too small clearance of the composite bearing, or the inner and outer rings are not concentric.
To this end, the suggestion is: before installation, choose appropriate or professional composite bearing installation tools, after installation, do not forget to use special instruments to test.
The meaning of pollution is that impurities such as dust and metal chips enter the internal of composite bearings, which is also an important reason for premature damage of composite bearings, accounting for about 14% of all the reasons. Opening the package prematurely before use will cause internal pollution. At the same time, dirty and disorderly working environment during installation will cause pollution of composite bearings.
In view of this phenomenon, the suggestions are as follows: the composite bearing should not be unpacked beforehand before use; at the same time, the installation environment should be kept clean while installing; in addition, the composite bearing used should be cleaned regularly to prevent pollution; and the sealing device of the composite bearing should be strengthened.