Efeitos de parâmetros de projeto na ocorrência do fenômeno brake squeal em freios a disco de motocicleta

Abstract

This paper intends to implement a finite element simulation with sensibility parameters analysis aiming to make an analytical assessment of the brake squeal phenomenon in motorcycle brakes. Brake squeal is a noise rises as a stick-slip phenomenon consequence that occurs at braking time causing an irritating fuss that makes the users to resort the manufacturers and the insurers, generating maintenance and guarantee costs. Thus, it's primordial that the manufacturers be able to offer brake systems with great performance and no brake noises to be competitive on the market. The challenge to the engineers is to create tools to detect this problem still at the project stage. There are some ways to approach this type of problem, like analytical, numeric or experimental. In this article, a modal analysis was run in a motorcycle’s brake system, focusing on the complex eigenvalue analysis that will become a tool to parametric simulations at the brake project stage aiming to avoid squeal.