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Research on the working principle and abnormal noise of automobile wheel hub bearing
With the improvement of customers' requirements for automobile comfort, more and more people complain about the abnormal noise of automobiles. How to quickly lock the source of abnormal noise from many noise sources and eliminate abnormal noise has become an important issue in automobile maintenance. Among them, the wheel hub bearing, as a key component for automobile load-bearing and driving, has a certain service life. Once it fails, it will produce annoying abnormal noise. The abnormal noise of the wheel hub bearing is also a common fault in after-sales maintenance. Based on the working principle of wheel hub bearing and its abnormal sound characteristics, this paper provides a method for the rapid diagnosis of abnormal sound fault of wheel hub bearing, which can be used as abnormal sound fault of wheel hub bearing.
2020/04/14
Why should car wheel bearings be lubricated
The lubrication of the bearing is of great significance to the rolling bearing. The lubricant in the bearing can not only reduce the friction force, but also play a role in heat dissipation, reducing contact stress, absorbing vibration, and preventing corrosion. There are two commonly used lubrication methods for bearings: oil lubrication and grease lubrication. In addition, there is also the use of solid lubricants for lubrication.
How to prevent car tire blowout
Since a flat tire can have such serious consequences, how should we prevent the occurrence of a flat tire? Below we list some methods to avoid the occurrence of a flat tire, I believe it can help your car safety. The first thing to remind you of is that flat tires do not only happen in summer. If the tire pressure is too low or too high, excessive tread wear is close to scrap, even in the rumbling winter, the vehicle's tires may burst. Therefore, to avoid tire blowout should be picked up from the daily maintenance. 1. Frequent inspection of tires can play a role in eliminating hidden dangers of tire blowouts. In particular, check whether the tire pressure is within the standard range, not too high or too low
How to install car wheel bearings?
Car wheel bearings used to use single-row tapered roller or ball bearings in pairs. With the development of technology, car hub units have been widely used in cars. The use of hub bearing units and the use of increasing, has now developed to the third generation: the first generation is composed of double row angular contact bearings. The second generation has a flange on the outer raceway for fixing the bearing, which can be simply fixed on the axle with a nut. Make the maintenance of the car easy. The third-generation hub bearing unit uses a bearing unit and an anti-brake system. The hub unit is designed with an inner flange and an outer flange, and the inner flange is bolted
