A Finite Element Study of Chip Formation Process in Orthogonal Machining

Amrita Priyadarshini, Surjya K. Pal and Arun K. Samantaray
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Amrita Priyadarshini: Indian Institute of Technology, Kharagpur, India
Surjya K. Pal: Indian Institute of Technology, Kharagpur, India
Arun K. Samantaray: Indian Institute of Technology, Kharagpur, India

International Journal of Manufacturing, Materials, and Mechanical Engineering (IJMMME), 2011, vol. 1, issue 4, 19-45

Abstract: This paper examines the plane strain 2D Finite Element (FE) modeling of segmented, as well as continuous chip formation while machining AISI 4340 with a negative rake carbide tool. The main objective is to simulate both the continuous and segmented chips from the same FE model based on FE code ABAQUS/Explicit. Both the adiabatic and coupled temperature displacement analysis has been performed to simulate the right kind of chip formation. It is observed that adiabatic hypothesis plays a critical role in the simulation of segmented chip formation based on adiabatic shearing. The numerical results dealing with distribution of stress, strain and temperature for segmented and continuous chip formations were compared and found to vary considerably from each other. The simulation results were also compared with other published results; thus validating the developed model.

Date: 2011
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