Detailed analysis of the plastic deformation elements of bearings

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Detailed analysis of the plastic deformation elements of bearings

Source: China Bearing Network Time: 2013-02-25
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1. The process of plastic deformation of the device process can not be directly struck with a steel hammer or the like. The bearing force of the bearing cannot be transmitted through the rolling body, otherwise it will exhibit plastic deformation and damage the bearing. The shape of the parts is changed, so the failure marks under different working conditions are different, and the specific conditions need to be analyzed.
2. When the bearing overload bearing receives a large static load, the rolling body may have plastic deformation of the raceway. From the common knowledge of the load rail analyzed in the foregoing, it can be inferred that the bearing receives a very large axial load and causes plastic deformation.
3. Indentation formed by impurities If the smoothing agent inside the bearing is contaminated by impurities, the contaminated particles form fine indentations on the surface of the rolling body raceway, and then damage the raceway or the surface of the rolling body, which may cause heat or noise. It is assumed that because the hardness of the steel is larger than that of the steel, some small pollution will not affect the impact. In fact, those small pollutants that are soft and soft will still modify the smoothness of the raceway surface, and the damage will be smooth and heat. Figure 15 is a For example, the pollution in this case is a cotton fiber. Because of such pollution and indentation, the bearing temperature is too high and damaged. There is a situation that is special, in fact, the motor plant is more of solid pollution particles. Impurities. Some of these impurities can be directly identified by the naked eye, and some need to be discovered by the microscope. To reduce the damage caused by impurities to the bearing, the need to pay attention to the use of the bearing device. The cleanliness in the middle ensures that the bearing has a reasonable seal and so on.
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