Abstract
Recently, a theoretical analysis of drum brake squeal was presented by N. Millner. This report has been quoted in many papers. We considered an improved analytical model in order to clarify a practical method of eliminating brake squeal. We obtained an equation which represents E, the increase of kinetic energy during 1 cycle. The equation for E often becomes positive under the influence of coupled vibrations between radial and tangential directions in the brake shoe and brake drum. Brake squeal is generated under the condition E>0. The factors having an influence on brake squeal were clarified by considering the above equation for E. In accordance with the above considerations it is shown that adopting a material with a low coefficient of friction, varying the boundary conditions of the brake shoe, and changing the position of the lining are effective in eliminating brake noise.
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Schedule a callMore From: JSME international journal. Ser. 3, Vibration, control engineering, engineering for industry
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