Optimization of Process Parameters for Laser Cutting Process of Stainless Steel 304: A Comparative Analysis and Estimation with Taguchi Method and Response Surface Methodology

Table 8

Comparison of predicted optimal conditions of RSM and Taguchi method.

Control factor	Unit	RSM optimal set	Taguchi optimal set
(A) Power	Watt	1900	1950
(B) Nitrogen pressure	MPa	25	15
(C) Frequency	Hz	19253	19500
(D) Cutting speed	m/min	2.5	3.25
Results of validation experiments Yopt (mm)		0.01	0.03