Modelling deep groove ball bearing localized defects inducing instantaneous angular speed variations - Archive ouverte HAL
Article Dans Une Revue Tribology International Année : 2016

Modelling deep groove ball bearing localized defects inducing instantaneous angular speed variations

Résumé

Instantaneous angular speed (LAS) analysis has been presented as an advantageous tool for non stationary machinery surveillance. The physical analysis indicates that the instantaneous rotating speed variations are caused by torque perturbations. In a previous work, a method for introducing angular periodic disturbances in rotating systems dynamic models was presented. This analysis was based on the introduction of a parametric perturbation applied to the system as an external torque. The current work introduces an original formulation to induce tangential forces to the shaft due to the bearing components dynamics by means of a Hertzian contact roller bearing model. The methodology takes into account rotational bearing races and rolling elements degrees of freedom, making the model suitable for non stationary conditions. (C) 2016 Elsevier Ltd. All rights reserved.
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Dates et versions

hal-04707861 , version 1 (24-09-2024)

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Citer

Jose L. Gomez, Adeline Bourdon, Hugo André, Didier Rémond. Modelling deep groove ball bearing localized defects inducing instantaneous angular speed variations. Tribology International, 2016, 98, pp.270-281. ⟨10.1016/j.triboint.2016.02.032⟩. ⟨hal-04707861⟩
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