e-Modeling and Evolution of Nanolubricant Coupled Machining Parameters Using Statistical Tool

Table 13

Response table for grey relational grade (GRG).

Level	Spindle speed (rpm)	Feed rate (mm/min)	Drill diameter (mm)
1	0.6029	0.4959	0.4776
2	0.5122	0.5125	0.5301
3	0.5184	0.6252	0.6259
Delta	0.0907	0.1294	0.1482
Rank	3	2	1