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Thrust-aligning roller bearing rotation itself is the existence of vibration, that is, machinery industry refers to the beating. In general, the more sophisticated thrust spherical roller bearings beating the smaller, relatively speaking, the jitter will be with the thrust of the roller bearing wear and increase.
Thrust spherical roller bearing vibration of the main reasons are:
1. The vibration caused by the deviation in the manufacturing process, the smaller the deviation, the smaller the vibration.
2. The surface of the ball surface roundness, waviness, the impact of surface roughness. This is the thrust of the spherical roller bearing parts of the vibration of the greatest factors.
3. Shape error and surface roughness of inner ring and outer ring channel.
4. Thrust spherical roller bearing cleanliness and lubricant quality and other issues.
5. Operating conditions such as installation conditions, speed, axial load direction, the value and so on.
After seeing the factors that caused the vibration of the roller roller thrust roller bearings, one, improperly installed (about 16%),
1, the installation of the use of brute force, with a hammer directly hit the roller accessories Spherical roller bearings on the spherical roller bearing the greatest damage; is the main cause of deformation.
2, the installation is not in place, the installation of a deviation or not installed to the spherical roller bearing position, resulting in roller accessories Spherical roller bearing clearance is too small. Inner and outer ring is not in the same rotation center, resulting in different heart.
Recommendation: Select the appropriate or professional spherical roller bearing installation tool, the installation is completed with a special instrument to detect.
Second, poor lubrication (about 50%)
According to the survey, poor lubrication is one of the main causes of premature failure of spherical roller bearings. The main reasons include: not timely filling lubricants or lubricants; lubricants or lubricants are not filled in place; improper selection of lubricants or lubricants; lubrication is not correct and so on.
Recommendation: Select the correct lubricant or lubricant, using the correct lubrication filling method.
Third, pollution (about 14%)
Pollution will lead to premature damage to the spherical roller bearings, pollution is dust, metal chips into the inner spherical roller bearings. The main reasons include: the use of too early to open the spherical roller bearing packaging, causing pollution; installation of the working environment is not clean, resulting in pollution; spherical roller bearing working environment is not clean, working media pollution.
Recommendation: Before use, it is best not to open the packaging of spherical roller bearings; installation to keep the installation environment clean, to use the use of self-aligning roller bearings to clean; to enhance the self-aligning roller bearing sealing device.
Fourth, fatigue (about 34%)
Fatigue damage is a common way to damage the roller roller bearings. Common causes of fatigue damage may be: self-aligning roller bearings long-term overload operation; not timely maintenance; improper maintenance; equipment aging.
Recommendation: Select the appropriate type of spherical roller bearings, regular and timely replacement of fatigue spherical roller bearings.
These are the most common causes of early damage caused by self-aligning roller bearings; caused by early damage to the self-aligning roller bearings are many reasons, the above is the main reason to consider, and sometimes may be a comprehensive reason. If the roller roller aligning roller bearings selection correct, the correct installation in place, lubrication and lubricant selection is correct, spherical roller bearings can work very often time.


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