Modeling and Optimizing the Effects of Insert Angles on Hard Turning Performance

Table 3

Analysis of variance for CF (F).

Source	DF	Seq SS	Contribution (%)	Adj SS	Adj MS	F value	value
Model	9	762.048	95.52	762.048	84.672	23.70	<0.0001
Linear	3	393.520	49.33	393.520	131.173	36.72	<0.0001
κr	1	80.132	10.04	80.132	80.132	22.43	0.001
γo	1	113.801	14.26	113.801	113.801	31.86	<0.0001
λs	1	199.587	25.02	199.587	199.587	55.87	<0.0001
Square	3	291.768	36.57	291.768	97.256	27.22	<0.0001
κr^∗ κr	1	81.986	10.28	66.961	66.961	18.74	0.001
γo^∗γo	1	26.617	3.34	15.262	15.262	4.27	0.066
λs^∗λs	1	183.165	22.96	183.165	183.165	51.27	<0.0001
2-way interaction	3	76.761	9.62	76.761	25.587	7.16	0.007
κr^∗γo	1	33.120	4.15	33.120	33.120	9.27	0.012
κr^∗λs	1	20.408	2.56	20.408	20.408	5.71	0.038
γo^∗λs	1	23.232	2.91	23.232	23.232	6.50	0.029
Error	10	35.723	4.48	35.723	3.572
Lack-of-fit	5	32.703	4.10	32.703	6.541	10.83	0.010
Pure error	5	3.021	0.38	3.021	0.604
Total	19	797.772	100.00