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Acoustic Emission Detection Signals in the Experimental Validation of Nanometric Machining Simulations

Oluwajobi, Akinjide O. and Chen, X. (2012) Acoustic Emission Detection Signals in the Experimental Validation of Nanometric Machining Simulations. In: 13th International Conference on Tools, ICT-2012, 27 – 28 March 2012, Miskolc, Hungary.

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The molecular dynamics simulations of nanomachining processes have provided insight into process parameters, material removal and tool wear mechanisms. Simulation results clearly show the material removal phenomena of rubbing, ploughing and cutting. However, many of the simulation results are not backed up by experimental validations, even though they match intuitive guess. There is an attempt in this study to validate some of these results. In the validations of these molecular dynamics simulation of nanometric machining, experiments were carried out on a Nanoform 250 diamond turning machine tool. The tool-workpiece contact was determined by running preliminary passes and using Acoustic Emission (AE) sensors for the nano touch. The analyses of the acquired AE sensor signals have indicated that they can be useful in the detection of the material removal mechanisms.

Item Type: Conference or Workshop Item (Paper)
Subjects: T Technology > TJ Mechanical engineering and machinery
Schools: School of Computing and Engineering
School of Computing and Engineering > Centre for Precision Technologies > Advanced Machining Technology Group
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Depositing User: Jide Oluwajobi
Date Deposited: 15 May 2012 14:04
Last Modified: 28 Aug 2021 20:52


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