This thesis presents a mechanical and thermal analysis of the elastic element of a jaw coupling, subjected to cyclic loads arising from the connection with an axial piston pump. As part of the research, a compression test of the material was performed, through which hysteresis was determined and an equation for calculating energy losses was derived. Based on the obtained data, a numerical model was developed in the Abaqus software environment, where both mechanical and thermal analyses were carried out. The thermal analysis was based on the results of the mechanical analysis, which were used to determine the thermal load of the elastic element. The results showed that the highest heating occurs in the interior of the mechanically loaded teeth of the elastic insert, while the temperatures in the contact area with the hub are lower and, under the considered operating conditions, do not reach critical values for the coupling’s performance.
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