Mercedes Benz

Due to drivers‘ increased quality consciousness, brake noises are accepted less and less. What causes these, at times unpleasant noises and how can they be counteracted? When braking, vibrations always occur due to dry friction, which, depending on the frequency, are described with a wide variety of terms. In the low frequency range, they are referred to as, e.g., rubbing, buzzing or juddering and in the medium and high frequency range, e.g., as squealing or wire brush. In order to counteract these phenomena, TMD, Europe‘s leading brake pad manufacturer, has been carrying out intensive basic research for many years. At a very early phase of new vehicle development, the results contribute towards comfort optimisation. Consequently, their intrinsic vibration behaviour and noise absorption properties are thoroughly tested when developing new brake pad materials. With the results achieved, the noise behaviour of new vehicles and their components are analysed and infl uen...