MATEC Web Conf.
Volume 108, 20172017 International Conference on Mechanical, Aeronautical and Automotive Engineering (ICMAA 2017)
|Number of page(s)||4|
|Section||Thermal Theory and Application|
|Published online||31 May 2017|
Designing a Quenching System for Grinding Steel Balls - Case Study
University of Johannesburg, Faculty of Engineering and the Built Environment, Auckland Park 2006, P.O Box 524, Johannesburg, South Africa
The availability of grinding balls of superior quality than those produced at a Harare company in Zimbabwe, resulted in loss of business. In order to retain business, a new ball that has a similar chemical composition to that of imported grinding balls was developed. Proper thermo-mechanical treatment has to be done after casting, in order for the ball to be of satisfactory quality. In this research, heat treatment tests were done on the developed ball to determine a suitable quenching medium for the heat treatment cycle. Using the results of the heat treatment tests obtained, a suitable heat treatment cycle which utilises optimum quenching medium and has effective agitation for minimal defects was designed.
© The Authors, published by EDP Sciences, 2017
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