Title: Machining performance of nodular iron with coated cutting tools

Authors: Wit Grzesik, Krzysztof Zak

Addresses: Department of Manufacturing Engineering and Production Automation, Opole University of Technology, P.O. Box 321, 45-271 Opole, Poland. ' Department of Manufacturing Engineering and Production Automation, Opole University of Technology, P.O. Box 321, 45-271 Opole, Poland

Abstract: This paper overviews typical machining characteristics obtained in the turning of the GJS-500-7 nodular iron when using cutting tools coated with single TiAlN and multiple TiC/Ti(C,N) /Al₂O₃/TiN layers and P20 uncoated competitors. The experimental data presented include the cutting forces, the average interface temperature, friction and contact length, as well as extended analysis of surface finish. It is concluded based on many machinability factors that multilayer coated tools outperform the other tools applied.

Keywords: nodular iron; coated tools; cutting characteristics; machinability; machining performance; turning; cutting forces; interface temperature; friction; contact length; surface finish.

DOI: 10.1504/IJMPT.2010.029457

International Journal of Materials and Product Technology, 2010 Vol.37 No.1/2, pp.30 - 45

Published online: 30 Nov 2009 *

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