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Title: Experimental studies and multi-response optimisation of duplex turning parameters using grey relational analysis with entropy measurement

Authors: Sunil Kumar; Ravindra Nath Yadav; Raghuvir Kumar

Addresses: Department of Mechanical Engineering, Babu Banarasi Das University, Lucknow, 226028, India ' Department of Mechanical Engineering, BBD National Institute of Technology and Management, Lucknow, 226028, India ' Department of Mechanical Engineering, BN College of Engineering and Technology, Lucknow, 226201, India

Abstract: In present work, the effect of turning parameters like cutting velocity, feed rate, primary depth of cut (DOC) and secondary-DOC on responses like primary cutting force (Fp), secondary cutting force (Fs) and surface roughness (Ra) using duplex turning process are observed. The preliminary experiments and entropy-grey relational analysis (GRA) has been utilised to plan the experiment. Analysis of variance (ANOVA) analyses the influence of each parameter on the responses. It is observed that feed rate has more effect as compared to other parameters. The confirmation experiment at GRA optimal condition shows the improvement in all responses as Fp = 15.34%, Fs = 17.20% and Ra = 10.14% positively.

Keywords: analysis of variance; ANOVA; cutting force; surface roughness; grey relational analysis; GRA; Taguchi; turning; optimisation.

DOI: 10.1504/IJPTECH.2020.109777

International Journal of Precision Technology, 2020 Vol.9 No.1, pp.71 - 90

Received: 30 Jun 2019
Accepted: 29 Feb 2020

Published online: 23 Sep 2020 *

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