Prediction of Surface Roughness considering Cutting Parameters and Humidity Condition in End Milling of Polyamide Materials

Table 1

Cutting conditions.

Cutting factor	Unit	Data levels
Feed rate, [f]	mm/min.	100 - 125 - 150 -175
Depth of cut, []	mm	1 - 1.5 - 2 - 2.5
Cutting speed, []	m/min.	100 - 120 - 140 - 160
Tool diameter, [C]	mm	10 - 14 - 18
Tool type, [T]	-	HSS and Carbide
Humidity, [H]	-	Dry and Wet