Surface Roughness Optimization of Polyamide-6/Nanoclay Nanocomposites Using Artificial Neural Network: Genetic Algorithm Approach

Table 1

Independent parameters and their levels.

Independent variables	Level 1	Level 2	Level 3
NC content (phr)	0	2	6
Spindle speed (rpm)	630	1250	2500
Feed rate (mm/tooth)	0.03	0.07	0.11