Optimization of Process Parameters in Wire EDM Taper Cutting Process

International Journal of Mechanical Engineering

© 2021 by SSRG - IJME Journal

Volume 8 Issue 9

Year of Publication : 2021

Authors : K.L. Uday Kiran, G. Chandra Mohan Reddy, A.M.K. Prasad

10.14445/23488360/IJME-V8I9P102

How to Cite?

K.L. Uday Kiran, G. Chandra Mohan Reddy, A.M.K. Prasad, "Optimization of Process Parameters in Wire EDM Taper Cutting Process," SSRG International Journal of Mechanical Engineering, vol. 8,  no. 9, pp. 11-16, 2021. Crossref, https://doi.org/10.14445/23488360/IJME-V8I9P102

Abstract:

Wire EDM taper cutting process is used to achieve curved surfaces for dies and moulds which is difficult by traditional machining and straight cutting. The present research deals with the parametric optimization of taper cutting process using wire EDM on AISI D2 steel. Taper angle, servo voltage and part thickness are the process parameters considered in this study along with angular error, cutting speed and surface roughness as responses. Response surface methodology with central composite design was employed to design the experiments. Relation between input parameters and responses is determined by developing regression mathematical models and analysis of variance is implemented to test the competence of the above analysis. Optimal combination of process parameters for minimum angular error and surface roughness with maximum cutting speed were identified by using desirability approach. Results show that the optimal set of process parameters are taper angle 6°, part thickness 30 mm and servo voltage 22 V respectively achieving desirability value of 0.749 with response values as angular error 0.078°, cutting speed 0.423 mm/min and surface roughness 1.511 μm.

Keywords:

Surface Finish, Wire EDM, Taper Angle, Cutting Speed, Angular Error, Response Surface Methodology, Analysis of Variance.

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