Calculation of vibroacoustic characteristics of a four-point ball bearing. Part 2

Abstract

The paper presents the results of the calculation of noisiness of a four-point bearing depending on the accuracy of producing as a part of the product in which it works. The calculation was performed according to the methods and programs developed by the authors. The noisiness of the separator and the balls that exists when the bearing is placed in any kind of an elastic system is calculated. Natural frequencies of bearing elements are defined with a given load on it as applied to the vibration set. It is shown that the errors of bearing production result in parametric excitation of elastic systems and excite oscillations with natural frequencies in them which produce the greater part of noisiness both of the systems and the bearings.

About the authors

M. I. Kurushin

Samara State Aerospace University named after academician S.P. Korolyov (National Research University)

Author for correspondence.
Email: okm@ssau.ru

candidate of technical sciences, associate professor

Russian Federation

A. M. Kurushin

Samara State Aerospace University named after academician S.P. Korolyov (National Research University)

Email: okm@ssau.ru

post-graduate student

Russian Federation

Ye. P. Zhilnikov

Samara State Aerospace University named after academician S.P. Korolyov (National Research University)

Email: okm@ssau.ru

candidate of technical sciences, professor

Russian Federation

V. V. Murashkin

Samara Aerobearing Factory

Email: zap@samzap.ru

engineer, director of design bureau

Russian Federation

References

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