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Paper Details

Paper Title
optimization of EDM process parameters on hard Ti alloys by using Grey Taguchi technique
Abstract
In present industrial world modern machining process performs crucial role for economic development of the country. EDM is one of such unconventional machining process to achieve products with high dimensional accuracy, complicated shape and good quality. EDM is one where electrical sparks are generated by creating voltage difference between the electrode and stationary work piece in dielectric fluid. The material removal takes place due to thermal electric energy of the sparks which melts, evaporates and erodes the work material. EDM is used to machine super hard materials which are not possible to machine in traditional machining processes. The main objective of the present work is to optimize the process parameters to achieve high MRR and low surface roughness. The experiments are conducted on Titanium Alloys Grade-2 and Grade-5 and the tool materials are copper, tungsten copper and graphite of each cross sectional area 10X10mm2 and 70mm of length. Considering process parameters like pulse on time, duty cycle and discharge current. The output process parameters like MRR and SR are determined for every experimental runs. Taguchi L27 orthogonal array design is used to experimental design by Minitab17 software. Finally the multi-objective optimization problem is solved by using Taguchi Grey Relational Analysis.
Keyword
EDM, Ti Alloys Grade-2 and Greade-5, Tungsten copper, Orthogonal Array, Taguchi Grey Relational Analysis, MRR and SR.
Others Details
Paper Id : 66917
Author Name : J.Ashok Babu
Co-Author Name(s) : Y. Rameswara Reddy
Volume/Issue No : Volume 04 Issue 11
Page No : 246-259
DOI Number : DOI:10.21090/IJAERD.66917
License : This work is licensed under a Creative Commons Attribution 4.0 International License.
website : http://www.ijaerd.com/index.php
Impact Factor : 5.71, SJIF-2017
ISSN Details : eISSN: 2348-4470, pISSN:2348-6406