Open Access

ARTICLE

Multiple Response Optimization of Dimensional Accuracy of Nimonic Alloy Miniature Gear Machined on Wire Edm Using Entropy Topsis Andpareto Anova

by Tina Chaudhary^1,*, Arshad Noor Siddiquee², Arindam Kumar Chanda³, Shafi Ahmad², Irfan Anjum Badruddin^4,*, Zahid A. Khan²

1 Department of Mechanical and Automation Engineering, Indira Gandhi Delhi Technical University for Women, Kashmere Gate, 110006, India
2 Department of Mechanical Engineering, Jamia Millia Islamia (A Central University), New Delhi, 110025, India
3 Department of Mechanical and Automation Engineering, G.B. Pant Engineering College, New Delhi, 110020, India
4 Mechanical Engineering Department, College of Engineering, King Khalid University, Abha-61421, Asir, Saudi Arabia

* Corresponding Authors: Tina Chaudhary. Email: ; Irfan Anjum Badruddin. Email:

Computer Modeling in Engineering & Sciences 2021, 126(1), 241-259. https://doi.org/10.32604/cmes.2021.013368

Received 04 August 2020; Accepted 28 September 2020; Issue published 22 December 2020

Abstract

The purpose of this research is to obtain the optimum cutting parameters to achieve the dimensional accuracy of Nimonic alloy miniature gear manufactured using Wire EDM. The cutting parameters investigated in this study are current, pulse on time (PON), pulse off time (POFF), wire tension (WT) and dielectric fluids. Ethylene glycol, nanopowder of alumina and oxygen are mixed to demineralized water to prepare novel dielectric fluids. Deviation in inner diameter, deviation in outer diameter, deviation in land and deviation in tooth width are considered to check the dimensional accuracy. Taguchi L₁₆ is employed for experimental design and multiple response optimization is performed using Entropy TOPSIS and Pareto ANOVA. Results indicate that pulse on time is the most notable parameter for good dimensional accuracy followed by dielectric fluid, current, pulse off time and wire tension. Ethylene glycol mixed demineralized water is preferred for low dimensional deviation. The optimum WEDM parameters are pulse on time at 20 μs, Ethylene glycol mixed demineralized water dielectric fluid, current at 3 A, pulse off time at 4 μs, and wire tension at 18 N.

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Keywords

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