OPTIMIZATION OF EDM PARAMETERS USING TAGUCHI METHOD AND GREY RELATIONAL ANALYSIS FOR AISI 01 DIE STEEL
Journal Title: International Journal of Engineering Sciences & Research Technology - Year 30, Vol 4, Issue 6
Abstract
Optimization is the best method used in industrial area for increasing quality of product by lowering the cost of product. In this paper, the experimental investigation of material removal rate, electrode wear rate, surface roughness, radial overcut and half taper angle during machining on OHNS Die steel by using Copper elec trode on EDM machine is done. The input parameters used for experimental work are Peak Current (I p ), Pulse - On Time (T on ), Gap Voltage (V g ) and Sensitivity (Sen).Based on the experiments conducted on L9 Orthogonal array , optimization has been carried out b y using Taguchi method (Single optimization) as well as Grey Relational Analysis (Multi - response optimization).Firstly single optimization has been carried out and then Multi - response optimization has been carried out. For that Grey relational generation a nd coefficient are find out and then Grey relational grade is carried out. Then the confirmation experiments are carried out. And thus according to this machining parameters are carried out to be optimized for combined objectives of higher MRR, lower EWR, lower SR, lower ROC and lower T. The results obtained from this optimization shows that Grey Relational Analysis is very effective optimization technique than Taguchi method.
Authors and Affiliations
Trupti Raut , Prof. M. Y. Shinde
Keywords
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