Article: Tool flank wear influence on workpiece heating in dry machining Journal: International Journal of Machining and Machinability of Materials (IJMMM) 2008 Vol.4 No.4 pp.406 - 418 Abstract: Following a lathe turning operation modification in order to work in dry machining condition, it appears that new tools and cutting condition modifications where insufficient to recover surface quality previously obtained with cutting fluid. Indeed, workpiece temperature evolutions produced with a single tool insert have conducted preventive replacements but no law where found for this substitution. Some responses have been found in literature review, especially on cutting zone temperature estimation in orthogonal and dry cutting with a new tool. But no solutions are provided to avoid production drop due to the important temperature raise in the cutting zone. The aim of this paper is to study tool flank wear influence on workpiece temperature distribution during dry cutting operations. The first part stands up a new analytical model, which takes account of tool wear and elastic deformation of the workpiece in heat generation in the cutting zone. The second part shows by an experimental procedure that temperature growth in cutting zone during machining process is dependant on the tool flank wear evolution. Inderscience Publishers - linking academia, business and industry through research

Title: Tool flank wear influence on workpiece heating in dry machining

Authors: Guillaume Cohen, Stephane Segonds, Michel Mousseigne, Pierre Lagarrigue

Addresses: Laboratoire de Genie Mecanique Toulouse, Universite Paul Sabatier, 118 route de Narbonne, Bat 3PN, Toulouse cedex 4 31062, France. ' Laboratoire de Genie Mecanique Toulouse, Universite Paul Sabatier, 118 route de Narbonne, Bat 3PN, Toulouse cedex 4 31062, France. ' Laboratoire de Genie Mecanique Toulouse, Universite Paul Sabatier, 118 route de Narbonne, Bat 3PN, Toulouse cedex 4 31062, France. ' Universite Jean-Francois Champollion, Place Verdun, Albi cedex 9 81012, France

Abstract: Following a lathe turning operation modification in order to work in dry machining condition, it appears that new tools and cutting condition modifications where insufficient to recover surface quality previously obtained with cutting fluid. Indeed, workpiece temperature evolutions produced with a single tool insert have conducted preventive replacements but no law where found for this substitution. Some responses have been found in literature review, especially on cutting zone temperature estimation in orthogonal and dry cutting with a new tool. But no solutions are provided to avoid production drop due to the important temperature raise in the cutting zone. The aim of this paper is to study tool flank wear influence on workpiece temperature distribution during dry cutting operations. The first part stands up a new analytical model, which takes account of tool wear and elastic deformation of the workpiece in heat generation in the cutting zone. The second part shows by an experimental procedure that temperature growth in cutting zone during machining process is dependant on the tool flank wear evolution.

Keywords: tool wear; temperature distribution; dry cutting; friction; orthogonal cutting; dry machining; flank wear; workpiece heating; surface quality; elastic deformation.

DOI: 10.1504/IJMMM.2008.023722

International Journal of Machining and Machinability of Materials, 2008 Vol.4 No.4, pp.406 - 418

Published online: 08 Mar 2009 *

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Title: Tool flank wear influence on workpiece heating in dry machining

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