Chip formation in machining plays an important role in the cutting process optimisation. Chip morphology often reflects the choice of cutting conditions, the tool wear and by consequences the integrity of the machined surface and tool life. In this study, photographs of the chip morphology during high speed machining of a middle hard steel (C20 similar to AISI 1020) are taken by using a ballistic setup. From these recordings, the evolution of the chip morphology is presented and analysed in terms of cutting conditions. A simplified modeling is then proposed by considering the workpiece material as elastic perfectly plastic. The existence of a scaling law governing the chip morphology in high speed machining is demonstrated. The cutting velocity is shown to have a weak effect at high speed machining as opposed to the well known strong influence of the velocity in the range of low cutting speeds.
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e-mail: sutter@lpmm.univ-metz.fr
e-mail: alain.molinari@univ-metz.fr
e-mail: gautier.list@univ-metz.fr
e-mail: xuefeng.bi@gmail.com
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April 2012
Research Papers
Chip Flow and Scaling Laws in High Speed Metal Cutting
Guy Sutter,
Guy Sutter
Laboratoire de Physique et Mécanique des Matériaux,
e-mail: sutter@lpmm.univ-metz.fr
Université Paul Verlaine -Metz Ile du Saulcy
, 57045 Metz Cedex 01, France
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Alain Molinari,
Alain Molinari
Laboratoire de Physique et Mécanique des Matériaux,
e-mail: alain.molinari@univ-metz.fr
Université Paul Verlaine -Metz Ile du Saulcy
, 57045 Metz Cedex 01, France
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Gautier List,
Gautier List
Laboratoire de Physique et Mécanique des Matériaux,
e-mail: gautier.list@univ-metz.fr
Université Paul Verlaine -Metz Ile du Saulcy
, 57045 Metz Cedex 01, France
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Xuefeng Bi
Xuefeng Bi
Shanghai-Hamburg College,
e-mail: xuefeng.bi@gmail.com
University of Shanghai for Science and Technology
, 200093 Shanghai, China
Search for other works by this author on:
Guy Sutter
Laboratoire de Physique et Mécanique des Matériaux,
Université Paul Verlaine -Metz Ile du Saulcy
, 57045 Metz Cedex 01, France
e-mail: sutter@lpmm.univ-metz.fr
Alain Molinari
Laboratoire de Physique et Mécanique des Matériaux,
Université Paul Verlaine -Metz Ile du Saulcy
, 57045 Metz Cedex 01, France
e-mail: alain.molinari@univ-metz.fr
Gautier List
Laboratoire de Physique et Mécanique des Matériaux,
Université Paul Verlaine -Metz Ile du Saulcy
, 57045 Metz Cedex 01, France
e-mail: gautier.list@univ-metz.fr
Xuefeng Bi
Shanghai-Hamburg College,
University of Shanghai for Science and Technology
, 200093 Shanghai, China
e-mail: xuefeng.bi@gmail.com
J. Manuf. Sci. Eng. Apr 2012, 134(2): 021005 (9 pages)
Published Online: April 4, 2012
Article history
Received:
June 17, 2010
Revised:
December 9, 2011
Published:
March 30, 2012
Online:
April 4, 2012
Citation
Sutter, G., Molinari, A., List, G., and Bi, X. (April 4, 2012). "Chip Flow and Scaling Laws in High Speed Metal Cutting." ASME. J. Manuf. Sci. Eng. April 2012; 134(2): 021005. https://doi.org/10.1115/1.4005793
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