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Paper Title
Optimisation of process parameters of WEDM by Grey Relational method

In modern technology, every manufacturers try to ascertain control factors to improve the machining quality based on their operational experiences, manuals or failed attempts. Keeping in view my Experimental research has been carried out to investigate and optimize the process parameters of Wire EDM. For this, D2 steel work piece has been selected. D2 Die steel is an air hardening, high carbon, and High chromium tool steel. In this study, all experiment is tested using EZECUT PLUS WIRE EDM (RRAPT), available at IDTR Jamshedpur. Input process parameters that are taken into consideration are Wire feed rate, Pulse on time, Pulse off time, Peak current, and Servo voltage. Output parameters are Material removal rate, Kerf width, Surface roughness. We used Taguchi methodology of L18 orthogonal array for design of experiment. Here we selected Grey relational analysis for optimization. From the experiment, it can be conclude that Pulse on time is the greatest effect on MRR and surface roughness compare to other parameters. Servo voltage has little effect on SR and kerf width but it has more effect over MRR. The study demonstrates that the WEDM process parameters can be optimised so as to achieve higher MRR with better surface finish and kerf width.

Keywords- Wire EDM, ANOVA, Taguchi, MRR, Surface roughness, kerf width, grey relational analysis, MINITAB
Publication Details
Unique Identification Number - IJEDR1702216
Page Number(s) - 1384-1395
Pubished in - Volume 5 | Issue 2 | May 2017
DOI (Digital Object Identifier) -   
Publisher - IJEDR (ISSN - 2321-9939)
Cite this Article
  BARUN KUMAR,  SOURABH SUMAN,  RAKESH,   "Optimisation of process parameters of WEDM by Grey Relational method", International Journal of Engineering Development and Research (IJEDR), ISSN:2321-9939, Volume.5, Issue 2, pp.1384-1395, May 2017, Available at :http://www.ijedr.org/papers/IJEDR1702216.pdf
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