IJERT-EMS
IJERT-EMS

Single Objective Optimization of Process Parameters considering Insert Nose Radius in CNC Turning of Aluminium 7075 Alloy for MRR and Surface Roughness


Single Objective Optimization of Process Parameters considering Insert Nose Radius in CNC Turning of Aluminium 7075 Alloy for MRR and Surface Roughness
Authors : Navneet Saini, Vivek Kumar Sharma, Mohd. Muqeem
Publication Date: 27-06-2017

Authors

Author(s):  Navneet Saini, Vivek Kumar Sharma, Mohd. Muqeem

Published in:   International Journal of Engineering Research & Technology

License:  This work is licensed under a Creative Commons Attribution 4.0 International License.

Website: www.ijert.org

Volume/Issue:   Volume. 6 - Issue. 06 , June - 2017

e-ISSN:   2278-0181

 DOI:  http://dx.doi.org/10.17577/IJERTV6IS060467

Abstract

Machining process involves many process parameters. In order to obtain accurate dimensions, good surface quality, and maximized metal removal it is necessary to optimize the process parameters involved in machining operation. The aim of the present paper is to obtain the optimal parameters of turning process (cutting speed, feed rate, depth of cut and nose radius) which results in minimum surface roughness and maximum material removal rate for machining aluminum 7075 alloy in CNC turning by using coated carbide inserts of different nose radius. Surface roughness was measured using the SJ-201 surface roughness tester and material removal rate was calculated using MRR equation. In this study, Taguchi method is used to find the optimal cutting parameters for surface roughness in turning. L-16 orthogonal array, signal-to-noise ratio, and ANOVA are employed to study the performance characteristics in the turning operations of aluminum 7075 alloy. A precise knowledge of these optimum parameters would result in reduction of machining costs and improved product quality.

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