Bi-objective Optimization of Process Parameters in Electric Discharge Machining of SS630 Using Grey Relation Analysis

Table 6

Grey relation generation values for output response parameters obtained using DS-EDM of SS630 with Cu-W electrode.

Ideal seq.	MRR (mm^3/min)	SR (μm)
	Larger the better	Smaller the better
1	0	0.932
2	0.41639	0.68
3	0.118871	0.6
4	0.234198	0.468
5	0.47434	0.424
6	0.540519	0.2
7	0.138644	1
8	0.291348	0.564
9	0.278889	0.124
10	0.404618	0.28
11	0.775403	0.36
12	0.885701	0.824
13	0.314665	0.524
14	0.290319	0.712
15	1	0.032
16	0.907532	0