High Speed Grinding of EN31 Steel with Alumina Nanofluid Coolant

Table 2

DOE: factors and amp—levels.

Factors	Level 1	Level 2	Level 3	Level 4
Feed (mm/sec)	100	120	150	175
Depth of cut (μm)	10	20	30	40
Machining environment	No coolant (dry)	Cutting fluid	Nanofluid	-