Prediction of Crack for Drilling Process on Alumina Using Neural Network and Taguchi Method

Table 1

Experimental levels and factors.

Factor	Levels
	1	2	3
, spindle speed (rev/min)	30000	25000	20000
, feed rate (mm/min)	10	20	30
, depth of cut (mm)	0.02	0.04	0.06
, abrasive grain size (#)	100	140	180