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

Table 5

Obtained experimental values of MRR, and SR for the input process variables.

Experiment no.	(A)	(μs)	(MPa)	(μs)	E-MRR (mm^3/min)	SR (μm)
1	6	15	2	20	1.372	3.29
2	10	15	4	50	5.015	3.92
3	14	15	6	70	2.412	4.12
4	18	15	8	90	3.421	4.45
5	14	25	4	20	5.522	4.56
6	18	25	2	50	6.101	5.12
7	6	25	8	70	2.585	3.12
8	10	25	6	90	3.921	4.21
9	18	35	6	20	3.812	5.31
10	14	35	8	50	4.912	4.92
11	10	35	2	70	8.156	4.72
12	6	35	4	90	9.121	3.56
13	10	45	8	20	4.125	4.31
14	6	45	6	50	3.912	3.84
15	18	45	4	70	10.121	5.54
16	14	45	2	90	9.312	5.62