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Development of Device for Evaluating the Performance of Rolling Bearings

  • V. G. Shram
  • A. V. Lysyannikov
  • N. N. Lysyannikova
Conference paper
Part of the Lecture Notes in Mechanical Engineering book series (LNME)

Abstract

In this paper, the problem of estimation of working capacity of rolling bearings is considered. To date, a wide application has been made of devices in which the rings of an adjustable bearing are connected to an electrical circuit in series with a voltage source and a measuring device that determines the parameters of the electric current through the bearing. Herewith, rolling friction parameters are not taken into account. The disadvantage of such devices is a low informative and limited application area. To eliminate these drawbacks, a device for diagnosing rolling bearings has been developed. The device operation consists in determining the rotational speed of the electric motor, at which the rolling elements of the elastohydrodynamic layer forming on the friction surfaces completely separate their surfaces while the current flowing through the surfaces of the rolling bodies is absent. When the motor speed is changed by means of the frequency converter of the motor supply voltage, at different values of the axial and radial loads being applied, as well as their joint action, the amplitude of the current flowing through the test bearing is recorded on the monitor in the form of a diagram using the converter R3 and the computer, on which the influence of friction parameters on the formation of an elastohydrodynamic layer between the surfaces of rolling bodies is determined. The presented developed device will allow increasing the informative value when evaluating the performance of rolling bearings.

Keywords

Rolling bearings Elastohydrodynamic layer Friction Lubricating oil Diagnostic control 

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Copyright information

© Springer Nature Switzerland AG 2019

Authors and Affiliations

  • V. G. Shram
    • 1
  • A. V. Lysyannikov
    • 1
  • N. N. Lysyannikova
    • 1
  1. 1.Siberian Federal UniversityKrasnoyarskRussia

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