Band Brake Squeal

Author:

Nakai M.1,Yokoi M.2

Affiliation:

1. Department of Precision Engineering, Kyoto University, Kyoto, 606-01 Japan

2. Junior College, Osaka Sangyo University, Osaka, 574 Japan

Abstract

The purpose of this paper is to investigate the squealing mechanism of band brakes in order to develop effective treatments for the reduction or elimination of squeal noise. With increasing rotational drum speed, squeal frequency increases up to a constant frequency. This constant squeal frequency coincides precisely with the frequency of instability obtained by a linear analysis of the motion of a band on an elastic foundation when the frictional force between the lining of the band and the drum is taken into account. Through experiments and analyses, it will be demonstrated that squeals are induced by the coupling between two modes of the band.

Publisher

ASME International

Subject

General Engineering

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1. Friction-induced vibration and stick-slip waves;European Journal of Computational Mechanics;2011-01

2. On the stick-slip waves under unilateral contact and Coulomb friction;Annals of Solid and Structural Mechanics;2010-10-06

3. Methods to reduce non-linear mechanical systems for instability computation;Archives of Computational Methods in Engineering;2004-09

4. Stick-slip-separation waves under frictional and unilateral contact;Revue Européenne des Éléments Finis;2004-01

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