A multi-linear cutting model
by Jean-Yves K'nevez, Olivier Cahuc, Sylvain Laporte, Philippe Darnis
International Journal of Machining and Machinability of Materials (IJMMM), Vol. 5, No. 2/3, 2009

Abstract: This study deals with the development of a new cutting model for pre-pierced drilling and reaming. This model is based on an experimental approach which links the drill geometric parameters to the mechanical actions of the cutting process. Literature proposes many works about this subject in which analytical or numerical models answer the problem using behaviour laws, strain and stress shields, temperature, etc. The presented method consists in correlating geometry and behaviour in an experimental way without modelling the real complexity of the phenomenon. The main purpose of this work consists of the comprehension of the influence of geometric parameters on cutting forces for any part of the cutting edge (to the exclusion of the chisel edge region). The use of an original single variable cutting edge drill prototype allows us to fully quantify forces and torques exerted on any point of the cutting edge.

Online publication date: Fri, 20-Feb-2009

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