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New Method and Equipment for Machining “S” Profiles of Cam Shafts for Drum Brakes of Bus and Truck Axles
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English
Abstract
One of the main factors of the drum brake performance and quality is the accuracy of “S” profiles of the cam shafts. To reduce cost, most axle and brake manufacturers use cam shafts with forged “S” cams, in some cases decreasing the accuracy of “S” profile, brake performance, and quality as compared to a machined “S” profile option.
Today's highly competitive market, especially the bus market, requires the highest possible brake performance at reduced cost. This paper shows how to meet both requirements for cam shaft manufacturing, high “S” profile accuracy and low machining cost, at the same time.
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Authors
Citation
Kovari, P. and Galambos, T., "New Method and Equipment for Machining “S” Profiles of Cam Shafts for Drum Brakes of Bus and Truck Axles," SAE Technical Paper 952595, 1995, https://doi.org/10.4271/952595.Also In
Bus Design and Developments in Drivetrains, Safety, and Fleet Management
Number: SP-1124; Published: 1995-10-01
Number: SP-1124; Published: 1995-10-01
References
- Kovari, Pal Galambos, Tibor et al. “Apparatus for the Initial and Improvement Machining of Active Surface of Steer Cams, Particularly of Brake Spanners,” 1985
- Galambos, Tibor “Generating Method of Machining Long Arc Involute Surfaces,” University of Miskolc Hungary 1984