Determination of the Carrying Capacity of Metal-Polymer Slide Bearings under Dynamic Loading with the Help of Finite Element Modeling

Using the finite element method, the effect of load on the stress-strain state of reinforced metal-fluoroplastic plain bearings under static and dynamic loading conditions is investigated. Metal-fluoroplastic bearings are considered as three-layer composites, and the stresses and deformations of the main layers, the antifriction and adhesive layers, responsible for the bearing capacity under load, are studied. The difference in the stress-strain state under static and dynamic loading of bearings is shown. It has been established that the load capacity of bearings under dynamic loading depends on the ratio of the applied stresses and deformations to the strength characteristics of the adhesive layer material. The obtained calculation results are compared with experimental data. The satisfactory correlation between the calculated and experimental data allows us to use this method to determine the dynamic load capacity of plain bearings.

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