A Study of Reduction for Brake Squeal in Disc In-Plane Mode

Paper #:
  • 2012-01-1825

Published:
  • 2012-09-17
DOI:
  • 10.4271/2012-01-1825
Citation:
Yokoyama, T., Matsushima, T., Matsui, N., and Misumi, R., "A Study of Reduction for Brake Squeal in Disc In-Plane Mode," SAE Technical Paper 2012-01-1825, 2012, https://doi.org/10.4271/2012-01-1825.
Pages:
8
Abstract:
Brake squeal is a phenomenon of self-induced vibration of the brake components during braking. There are many kinds of brake squeal cases whose mechanisms require acting on a various number of potential root causes. Brake squeal phenomena can be generally separated into 2 main mode types related to the direction of disc vibration involved: in-plane mode and out-of-plane mode. For out-of-plane mode, a number of existing countermeasures can be potentially applied after characterization of the squeal occurrence condition by direct experiment or simulation analysis[1,2,3,4]. However, as there are many possible mechanisms and root causes for the in-plane modes[5,6,7,8,9,10,11,12,13], it is generally necessary to perform a detailed analysis of the vibration mechanism before implementing a countermeasure. In this case, this paper reports a particular of in-plane brake squeal case where traditional countermeasure proved ineffective, but which could be solved by changing the disc design based on the comprehensive understanding of the mechanism.
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