Thermal Influence on Friction Material Wearing for City Buses Application

Paper #:
  • 2015-36-0009

Published:
  • 2015-05-13
Citation:
Benincá, E., da Silva, M., Bueno Jr., R., and do Nascimento, V., "Thermal Influence on Friction Material Wearing for City Buses Application," SAE Technical Paper 2015-36-0009, 2015, https://doi.org/10.4271/2015-36-0009.
Pages:
9
Abstract:
One effect which is present in drum and disc brakes is the temperature. This effect significantly changes the vehicle and semi-trailer combinations performance, mainly in drum brakes that is more susceptible to this factor.High temperatures mean loss of efficiency, higher lining wear, brakes and rolling systems components life reduction and could be caused by many factors, which can be mentioned, overload, error in design and choice of brake system, speeding, over adjustment (dragging) and environment heat exchange.The challenge is to comprehend the relation between different brake configuration and how these configurations affects the temperatures generation on brake system, allowing that this factors can be evaluated during the project design.This paper aims to show a case study for a new brake family to be used in city bus application where the fleets are looking for better, safety, performance and low lining wear reduce the to increase the maintenance time.Therefore, the main target on this paper was to understand the factors involved that affect the heat generation, and show that is possible to correlate the severe route and dynamometer test, observing the behavior of the temperature using different available brake configurations.
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