| Mechanical Engineering and Mechanics |
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| Elimination of surface spiral pattern on brake discs |
| Adrián Rodríguez, L. Norberto López de Lacalle, Asier Fernández, Stephan Braun |
| Department of Mechanical Engineering, University of the Basque Country (UPV/EHU), Faculty of Engineering of Bilbao, Alameda de Urquijo s/n. 48013 Bilbao, Spain; Department of Mechanical Engineering, Georg-Simon-Hochschule Nuremberg, Faculty of Engineering, Kesslerplatz 12, D-90489 Nuremberg, Germany |
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Abstract Nowadays, brake disc manufacturers are seeking new finishing techniques to offer economical solutions to their customers and so become more competitive. The elimination of the surface spiral pattern after turning operation is a challenge to avoid braking problems at the early life of the component. This paper presents a practical low-cost solution to finishing this kind of component. Concretely, a detailed study of the brushing process as an alternative solution to the conventional grinding process is performed. The limited literature regarding this topic implies the necessity of a full study of the process prior to any industrial application. The influence of process variables on the final surface was analyzed in this work. In addition, the tool wear and tool life behavior, the influence of the abrasive type used and the originating forces during the process were taking into account. Once the process was established, various prototypes were finished in order to check the feasibility of the process and to pass the required quality control. Results show that brushing is a feasible and economical alternative for brake disc finishing. The surface quality obtained was shown to be equal or better than grinding, with reduced costs and manufacturing time.
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Received: 08 July 2013
Published: 03 January 2014
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