Multi-Parametric Optimization of EDM Parameters for Hexagonal Profile CU Electrode to Measure form Tolerance on NI-based Super Alloy
Journal Title: International Journal of Mechanical and Production Engineering Research and Development (IJMPERD ) - Year 2018, Vol 8, Issue 2
Abstract
This research aims to examine the form tolerances, namely angularity and flatness to improve the productivity and Material Removal Rate (MRR) with a high surface finish of Ni-based super alloy. EDM is a spark erosion process, in which, the removal of material takes place due to erosion caused by electric sparks. This process is utilized for machining of conductive and difficult-to machine material, irrespective of hardness. In this experimental work, the multi-parametric optimization has been utilized for the EDM of Inconel-718 using hexagonal profile tool electrode made up of Copper. The peak current, pulse on Time (Ton) and pulse of time (Toff) were selected as process constraints to conduct experimental trials. The MRR, EWR, machining time and form tolerances were considered as output responses. The experimental outcomes were optimized by multi-parametric method Gray relational analysis coupled with Taguchi method. The optimized parameters by multi-parametric optimization method showed the considerable improvement in the process and will facilitate the EDM industries to improve the productivity with close tolerance
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- EP ID EP347652
- DOI 10.24247/ijmperdapr2018107
- Views 43
- Downloads 0
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