A Machine Learning Approach to Optimize, Model, and Predict the Machining Factors in Dry Drilling of Nimonic C263

Table 5

Response table for Ra.

Level	Cutting speed	Feed rate	Point angle
Response (a) for S/N ratio: Ra
1	4.450	4.447	4.861
2	4.102	4.556	4.360
3	4.677	4.226	4.008
Delta	0.574	0.330	0.854
Rank	2	3	1
Response (b) for means: Ra
1	0.5994	0.5999	0.5717
2	0.6256	0.5934	0.6063
3	0.5847	0.6163	0.6317
Delta	0.0409	0.0229	0.600
Rank	2	3	1