Prediction of Surface Roughness When End Milling Ti6Al4V Alloy Using Adaptive Neurofuzzy Inference System

Table 1

Cutting conditions and their levels.

Level	Level code	Cutting speed (m/min)	Feed rate (mm/tooth)	Depth of cut (mm)
Low	−1	50	0.1	1.0
Medium	0	77.5	0.15	1.5
High	+1	105	0.2	2.0