Abstract
The article is devoted to the improvement of methods for calculating transverse vibrations in systems with plain bearings. The design of such units provides for the preparation of the most detailed design scheme and the corresponding mathematical model. Simplified models of the interaction between the shaft and the bearing, between which there is a gap, are proposed for discussion. A design diagram has been drawn up that describes the main forces acting on the end of the shaft inside the bearing. The mode of motion of the shaft is described when its contact with the bearing is maintained for some time, i.e. the shaft is pressed against the bearing. A comparison is made of the modes of shaft movement with absolutely rigid and elastic bearings. A mathematical model of the motion of the shaft, in which it does not have contact with the bearing, is proposed. The resulting system of equations is solved numerically. An algorithm for constructing the movement of the shaft with separation from the bearing is described. The case is considered when the shaft is unbalanced, i.e. its center of inertia does not coincide with the center of rotation. The possibility of the occurrence of parametric oscillations and the occurrence of the phenomenon of parametric resonance has been proved.
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Kushner, G.A. (2023). Shaft Movement in Plane Bearing with Clearance. In: Radionov, A.A., Gasiyarov, V.R. (eds) Proceedings of the 8th International Conference on Industrial Engineering. ICIE 2022. Lecture Notes in Mechanical Engineering. Springer, Cham. https://doi.org/10.1007/978-3-031-14125-6_1
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