Abstract

In today’s world manufactured product not only requires high precision and quality but also the same should be achieved in minimum time. EDM is recognised as most popular non-conventional machining process. EDM is used to machine tough materials which can’t be machined using simple conventional machining process. Inconel alloys are one of those materials which are used now-a-days in lots of different places like thermal reactor, exhaust systems of petrol engine, fabricated combustion chambers etc. In this paper we will investigate the effect on material removal rate (MRR) and surface roughness (SR, Ra) with different input variables which are gap voltage (Vg), peak current (Ip) and pulse on time (Ton) during EDM of Inconel 601 using electrolytic copper. Experimental work is carried out using Box-Behnken Design (BBD) along with different combination of process parameters. Response Surface Methodology and ANOVA are used for correlating the process parameters with the responses and to analyse the significant of the derived model.

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