Abstract
Designed and manufactured samples of the interference fit of the bearing rings on the neck of wheelset axle. The hydraulic stand for loading bearing rings has been certified. The stand simulates the pressing fit of rings on the axis. A mathematical model of the method for monitoring mechanical stresses of the bearing ring by the acoustoelastic method for chordal sounding has been created and solved. The model takes into account the change in the angle between the direction of wave propagation and the axis of the main mechanical stresses. Experimentally by loading the bearing rings are determined by the coefficient of customproperty longitudinal waves in steel SHKH15. The bearing ring tension was measured using the acoustoelasticity method on the bearing tension samples.
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