Study on Skidding Mechanism for Rollers of Cylindrical Roller Bearings
In order to study the skidding mechanism for rollers of cylindrical roller bearings under different working con-ditions,the finite element model for flexible contact between roller and raceway is built based on ABAQUS/Explicit. Then the flexible multi -body dynamics calculation is analyzed based on the explicit algorithm.The skidding rate of rollers is obtained by extracting the speed change process of center nodes of rollers from the calculation result of bearing dynamics,relative to pure rolling of roller along the raceway.The influence of rotational speed of inner ring,radial load and pressure of interference fit on skidding rate of rollers is studied.The results show that rotational speed of inner ring and radial load have a great influence on skidding rate of rollers.The skidding of rollers can be eliminated to an extent with the increase of radial load and decrease of rotational speed of inner ring.The increasing pressure of interference fit between inner ring and shaft is effective way to reduce the skidding rate for rollers under the same rotational speed of in-ner ring and radial load.
cylindrical roller bearingrollerskidding ratefinite element analysisexplicit dynamics
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NSTL
万方数据
维普
