Title: High pressure jet assisted turning of surface hardened piston rods

Authors: Davorin Kramar, Peter Krajnik, Janez Kopac

Addresses: Faculty of Mechanical Engineering, University of Ljubljana, Askerceva 6, SI-1000 Ljubljana, Slovenia. ' Faculty of Mechanical Engineering, University of Ljubljana, Askerceva 6, SI-1000 Ljubljana, Slovenia. ' Faculty of Mechanical Engineering, University of Ljubljana, Askerceva 6, SI-1000 Ljubljana, Slovenia

Abstract: An experimental study has been performed to investigate the capabilities of dry, conventional and high pressure jet assisted turning of surface hardened piston rods used in high pressure fluid power applications. The capabilities of different hard turning procedures are compared by means of chip breakability, cooling efficiency, tool wear, tool life, cutting forces and process regions of operability, i.e., technological windows. All machining experiments are performed under conventional cutting speeds using coated carbide tools.

Keywords: hard turning; high pressure jet assistance; machinability; tool wear; chip breakability; surface hardening; piston rods; fluid power; cooling efficiency; tool life; cutting forces; process regions; cutting speeds; carbide tools.

DOI: 10.1504/IJMPT.2010.033819

International Journal of Materials and Product Technology, 2010 Vol.38 No.4, pp.399 - 417

Received: 15 Jul 2008
Accepted: 07 Jul 2009
Published online: 02 Jul 2010 *

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