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Shandong Xinkaite Bearing Co.,Ltd.
Unified Social Credit Code: 9137 1525MA3C 5428XP
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Address: Xu Village Industrial Garden, Gan Town, Guan County, Shandong
Tel: +86 635 5638235
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Treatment of spherical roller bearing when there is damage
Clicks:3866 Date:12-20
When the spherical roller bearing is disassembled, the fault of the bearing and the cause of the damage can be judged according to the damage of the high precision spherical roller bearing.
Metal exfoliation on the 1. raceway surface
The bearing rolling body and the inner and outer ring raceways are both subjected to periodic pulsating loads, resulting in periodic variation of contact stress. When the number of stress cycles reaches a certain value, the fatigue exfoliation is produced on the working surface of the rolling body or the inner and outer raceways. If the load of high precision spherical roller bearing is too large, this kind of fatigue will be aggravated. In addition, the bearing of the bearing is not fitted and the shaft is bent, and the raceway can also be spalling.
The fatigue exfoliation of the bearing raceway will reduce the operation precision of the shaft, and make the mechanism vibrate and noise.
2. burn of bearing
High precision spherical roller bearing burn the raceway and rolling body temper. The cause of the burn is usually insufficient lubrication, the quality of the lubricating oil is not conformed to the requirement or deterioration, and the bearing assembly is too tight.
3. plastic deformation
Uneven pits appear on the contact surface of the raceway and roller of high precision spherical roller bearing, indicating that the bearing produces plastic deformation. The reason is that the local stress of the working surface exceeds the yield limit of the material under high static load or impact load under the condition of high accuracy spherical roller bearing. This generally occurs on low speed rotating bearings.
4., the reason for cracks in the bearing seat ring of the bearing seat ring may be the high precision spherical roller bearing, too tight, high precision spherical roller bearing, loose foreign or inner ring, bearing containment deformation, installation of the bearing surface processing is not good.
5. cage fragmentation
The reason is that the lubrication is insufficient, the rolling body is broken, the seat ring is skewed, and so on.
6. the metal of the cage is attached to the rolling body
The possible reason is that the roller is stuck in the cage or is not lubricated.
Serious wear of 7. ring raceway raceway
It is possible to fall into the foreign body in the seat ring, and the lack of lubricating oil or the quality of the lubricating oil is not suitable.
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Shandong Xinkaite Bearing Co.,Ltd.   Phone: +86 6355638235   Fax: +86 635 5638808   Email: xkte@xinkaite.com