Molecular dynamics simulation of vibration-assisted cutting: influences of vibration parameters

Jun Shimizu, Libo Zhou and Hiroshi Eda

International Journal of Manufacturing Technology and Management, 2006, vol. 9, issue 1/2, 120-129

Abstract: This study aims to clarify the effectiveness and the mechanism of the application of vibration on the reduction of plastic flow and the improvement of machined surface in the micro/nano cutting for three-dimensionally shaped micro-parts. The molecular dynamics method has been applied to the analysis of extremely small amplitude and high-frequency vibration-assisted cutting processes. In the simulations, the cutting tool and the workpiece are assumed to be rigid diamond and pure aluminium, respectively. In this paper, the effect of the vibration parameters, such as frequency and amplitude on the reduction of plastic flow and cutting forces, was mainly examined and clarified. As a natural result, necessitated vibration parameters for the improvement in the machined surface quality were also obtained.

Keywords: vibration assisted cutting; amplitude; frequency; cutting force; molecular dynamics; simulation; plastic flow; surface quality; micromachining; nanomachining; microcutting; nanocutting; diamond cutting tools; aluminium cutting; vibration parameters. (search for similar items in EconPapers)
Date: 2006
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Persistent link: https://EconPapers.repec.org/RePEc:ids:ijmtma:v:9:y:2006:i:1/2:p:120-129

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