Material Removal Rate, Electrode Wear Rate, and Surface Roughness Evaluation in Die Sinking EDM with Hollow Tool through Response Surface Methodology

Table 9

Confirmatory experiments.

Serial number				MRR		EWR		SR
				Actual	Error %	Actual	Error %	Actual	Error %
1	100	25.37	45.00	18.83	6.98	6.81	5.90	4.86	7.48
2	100.94	25.58	45.00	18.64	5.66	6.68	2.14	4.65	2.87