Optimization of Mechanical Crimping in the Terminal Crimping Process Using a Response Surface Methodology

Table 3

Analysis of variance.

Source	DF	Adj SS	Adj MS	F value	value
Model	9	1766.97	196.33	1397.77	≤0.001
Linear	3	2.33	0.78	5.53	≤0.001
Crimp height (X)	1	1.94	1.94	13.84	≤0.001
Crimp depth (Y)	1	0.06	0.06	0.43	0.514
Crimp width (Z)	1	0.33	0.33	2.33	0.129
Square	3	1762.85	587.62	4183.53	≤0.001
Crimp height (X) crimp height (X)	1	1258.10	1258.10	8957.07	≤0.001
Crimp depth (Y) crimp depth (Y)	1	339.47	339.47	2416.84	≤0.001
Crimp width (Z) crimp width (Z)	1	460.68	460.68	3279.84	≤0.001
Two-way interaction	3	1.79	0.60	4.24	≤0.001
Crimp height (X) crimp depth (Y)	1	0.73	0.73	5.18	0.024
Crimp height (X) crimp width (Z)	1	0.44	0.44	3.13	0.078
Crimp depth (Y) crimp width (Z)	1	0.62	0.62	4.42	0.037
Error	190	26.69	0.14
Lack-of-fit	5	19.31	3.86	96.87	0.531
Pure error	185	7.38	0.04
Total	199	1793.66