Dynamic simulation of chip formation in the process of cutting
by Jüri Olt; Alexander Liyvapuu; Marten Madissoo; Viacheslav Maksarov
International Journal of Materials and Product Technology (IJMPT), Vol. 53, No. 1, 2016

Abstract: This work examines the simulation of chip formation during the process of cutting. An analysis of complex rheological models enabled a set of assumptions to be considered, thereby substantiating a hypothesis relating to the chip formation process. The studies demonstrated that the chip formation process, taking into account the plastic deformation and destruction of metal in the local zone, is most appropriately represented by a rheological model in the form of a series connection of elastic-ductile-plastic relaxing medium of Ishlinskiy (reflecting the process of primary deformation of metal from the cut off layer) and the medium of Voigt with two elastic-dissipative elements (representing the process of deformation and frictions from the convergent shaving). The attained complex rheological model served as the basis for constructing a representative dynamic model for chip formation process.

Online publication date: Thu, 05-May-2016

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