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Mechanical Model and Load-Bearing Characteristics Analysis for Multi-Stage Tandem Thrust Bearings
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Mechanical Model and Load-Bearing Characteristics Analysis for Multi-Stage Tandem Thrust Bearings
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Journal Article
Mechanical Model and Load-Bearing Characteristics Analysis for Multi-Stage Tandem Thrust Bearings
2025
Overview
Multi-stage tandem thrust bearings have small radial dimensions and high axial load-bearing capacity, which are widely used in shafting structures with large axial load-bearing capacity requirements, such as screw extruders, and their load-bearing characteristics are directly related to the stability and service life of the equipment. In this paper, a mechanical model of multi-stage tandem thrust bearings is established based on the finite element method and verified by combining stiffness and ring strain tests. The load distribution characteristics of each level of thrust bearings and the outer spacer rings are analyzed. The results demonstrate that the mechanical model of multi-stage tandem thrust bearings has high accuracy compared with the experiment and displays superior load-sharing characteristics. The design stiffness deviation of the outer spacer ring thickness can also lead to a certain deviation. Hence, the design of the spacer ring holds a crucial role in the load-sharing characteristics of the multi-stage tandem thrust bearings.
Publisher
IOP Publishing
