Mechanics & Industry
Volume 18, Number 5, 2017
|Number of page(s)||10|
|Published online||05 December 2017|
Wear experiment and model of rolling balls in sliding-rolling conditions
Department of Mechanical Automation Engineering, Shanghai University,
200072, PR China
* e-mail: e-mail: firstname.lastname@example.org
Accepted: 23 October 2017
When the rolling bearing is working, sliding and rolling always exist in the friction pair simultaneously. The operating condition is complicated and fickle. For these kinds of behaviors, it is necessary to simulate the bearing sliding-rolling ratio (SRR), load, speed and other operating parameters in the wear-testing research between the rolling elements and the inner or outer ring. By the improvement of the transmission, measurement, and control system of an existing pure rolling contact fatigue test rig for bearing ball with three contact points, the simulation of bearing balls would be more realistic and test parameters are close to actual operating conditions. The rolling ball wear experiments were carried out under different SRRs operation conditions. By analyzing test data, the calculation model of wearing rate under the operation condition of sliding-rolling was established based on Archard model.
Key words: Wear test / rolling ball / sliding-rolling ratio / wear performance model
© AFM, EDP Sciences 2017
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