Optimizing Cutting Conditions for Minimum Surface Roughness in Face Milling of High Strength Steel Using Carbide Inserts

Table 5

ANOVA for .

Source	DF	Adj. SS	Adj. MS	-value	value	% contribution
Regression	10	23.6589	2.3659	56.45	0
	1	0.0003	0.0003	0.01	0.928	0.0
	1	4.7025	4.7025	112.21	0	16.5
	1	14.9689	14.9689	357.19	0	52.4
	1	0.9405	0.9405	22.44	0	3.3
	1	0.8653	0.8653	20.65	0	3.0
	1	1.0068	1.0068	24.02	0	3.5
	1	0.0193	0.0193	0.46	0.499	0.1
	1	0.1679	0.1679	4.01	0.048	0.6
	1	0.2752	0.2752	6.57	0.012	1.0
	1	0.7122	0.7122	16.99	0
Error	117	4.9032	0.0419
Lack-of-fit	53	4.9031	0.0925	37711.35	0
Pure error	64	0.0002	0
Total	127	28.5622
Model summary
: 0.204714; -sq.: 82.83%; -sq. (adj.): 81.37%; -sq. (pred.): 79.01%