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Investigation of CFRP machining with diamond abrasive cutters

Article dans une revue avec comité de lecture
Author
BOUDELIER, Aude
211916 Laboratoire Angevin de Mécanique, Procédés et InnovAtion [LAMPA]
RITOU, Mathieu
473973 Laboratoire des Sciences du Numérique de Nantes [LS2N]
GARNIER, Sébastien
473973 Laboratoire des Sciences du Numérique de Nantes [LS2N]
FURET, Benoit
473973 Laboratoire des Sciences du Numérique de Nantes [LS2N]

URI
http://hdl.handle.net/10985/16557
DOI
10.3166/rcma.23.425-436
Date
2013
Journal
Revue des composites et des matériaux avancés

Abstract

Diamond abrasive cutters are more and more used for industrial applications of CFRP laminate machining, due to their resistance to abrasion and low cost. The objective of the approach is to improve productivity during trimming operations, by choosing adapted tools and cutting parameters. The objective of this article is to determine to what extent feedrate and spindle speed can be increased. To do so, specific cutting energy (Esp) and cutting forces are studied. Designs of Experiments and ANOVA are performed in order to analyze the influence of tool (grit size, level of nickel and diameter) and process (feed per revolution and cutting speed) parameters. It shows that high cutting speed is favourable to the cut due to thermal effects. Conversely, the study of specific cutting energy reveals that the feed increase is limited by diamond grit size and level of nickel due to the saturation of the tool intergrit space.

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