Analysis on the Friction Removal of FAG Decoupling Bearings
1 bearing temperature is too high
When the mechanism is in operation, the part of the device bearing is allowed to have a certain temperature. When the body shell is touched by hand, it should be normal to not feel hot, and on the contrary it indicates that the FAG bearing is excessively warm.
Excessive bearing temperature is due to: smooth oil quality is unsatisfactory or distorted, smooth oil and oil is too high; assembly is too tight (leisure is not enough); separation assembly bearing is over-tight; bearing seat is in the shaft Change in or on the shell; load is too large; FAG bearings to maintain the frame or bone broken body.
2. Bearing noise
Gubiao Bearing in the office to allow a small operation sound, assuming that loud or abnormal noise or impact, then bearing fault.
Bone bearing noise germination is more complex than the end, the first is the bearing inner and outer rings suitable surface wear. Because of this kind of wear, the proper relationship between the bearing and the housing, the bearing and the shaft of the separation assembly device is damaged, the accurate position of the axis is formed separately, and abnormal noise is generated when the shaft is moving at a high speed. When the bearing is worn out, the metal on the surface of the bearing is exfoliated, and the radial idleness of the bearing can also increase the abnormal noise. In addition to this, bearing smooth oil is not enough to constitute a dry friction, and the bearing ruptures and the like are all abnormal sounds. After the FAG bearing wears loose, it will be destroyed and damaged, and it will also cause damage to the abnormal noise bearing. When the bearing is broken and the bearing is dismantled, the fault of the bearing and the cause of the damage can be determined based on the damage of the bearing.
1. Metal peeling on the raceway surface
The bearing bone body and the inner and outer ring raceways bear the effect of periodic pulsating load, so the germination cycle changes the contact stress. When the number of return times of the stress wheel reaches a certain number, fatigue peeling occurs on the bone surface of the body or on the inner and outer ring raceways. Assuming that the bearing load is too large, this fatigue will be exacerbated. Rated, disassembled bearing device is not correct, the shaft is bent, it will also sprout raceway peeling scene. The fatigue peeling of the FAG bearing raceway will reduce the fineness of the shaft's operation, causing the mechanism to suffer from oscillation and noise.
2. Bearing roasted
The roasted separation part bearings have a tempered color on their raceways and bones. The roasted ends are generally made of smooth, oily, unsatisfactory, or unsmooth quality of smooth oil, as well as tight bearing assemblies.
3. Paradigm changes
The contact surface between the bearing raceway and the roller surface reveals an even-pitched crater, and a clear analysis of the bearing germination is performed. The end result is that the partial stress of the office surface exceeds the flexural limit of the data under the effect of a very large static load or impact load. This kind of work situation usually occurs on a low-speed torsion bearing.
4. bearing seat crack
The end of the bearing seat's germination cracks can be over-tightened by the bearing, abnormal bearing of the disengaging assembly or loosening of the inner ring, deformation of the containment part of the FAG bearing, and poor surface processing of the bearing of the device.
5. Maintain shelf fragmentation
Its end is not enough for smooth oil, broken bones, tilted seats, etc.
6. Keep the metal of the rack stick on the bones
It is not enough to have the ability to be stuck in a maintenance frame or to have a smooth oil.
7. Severe abrasion of raceway
There are foreign objects that can fall into the seat ring, and the glossy oil is not enough or the trademark is not suitable.
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