Graphical Abstract Figure
Abstract
A full circumferential contact mechanical modeling study considering the effect of the contact relationship between the waviness mesoscopic profile and the rolling element on bearing load distribution is carried out. In the model, a sinusoidal function is adopted to simulate the profile of the waviness section. According to the contact tangency condition, a model of the contact deformation relationship between a single rolling element and the raceways is established. On this basis, a full circumferential rolling element contact load distribution model of the bearing is established by introducing the contact deformations between all rolling elements and the raceway surfaces. Focusing on contact deformations between the full circumferential rolling elements and the raceways, this is a more accurate model and reflects the load distribution state inside the bearing more realistically. The correctness of the mechanical analysis model proposed in this article is verified by an average error of 3.06% between the more computationally efficient mechanical analysis model and a full finite element model. Further, based on the model, the influence of the waviness parameters on the load distribution inside the bearing under different types of load conditions is analyzed.
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