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

Table 4

Analysis of variance for thrust CF (Fy).

Source	DF	Seq SS	Contribution	Adj SS	Adj MS	F value	value
Model	9	656.899	93.19	656.899	72.989	15.22	<0.0001
Linear	3	322.450	45.75	322.450	107.483	22.41	<0.0001
κr	1	41.849	5.94	41.849	41.849	8.72	0.014
γo	1	120.399	17.08	120.399	120.399	25.10	0.001
λs	1	160.202	22.73	160.202	160.202	33.40	<0.0001
Square	3	257.098	36.47	257.098	85.699	17.86	<0.0001
κr^∗ κr	1	20.015	2.84	8.759	8.759	1.83	0.206
γo^∗γo	1	0.989	0.14	5.703	5.703	1.19	0.301
λs^∗λs	1	236.093	33.49	236.093	236.093	49.22	<0.0001
2-way interaction	3	77.352	10.97	77.352	25.784	5.37	0.018
κr^∗γo	1	29.807	4.23	29.807	29.807	6.21	0.032
κr^∗λs	1	18.733	2.66	18.733	18.733	3.91	0.076
γo^∗λs	1	28.812	4.09	28.812	28.812	6.01	0.034
Error	10	47.971	6.81	47.971	4.797
Lack-of-fit	5	45.163	6.41	45.163	9.033	16.08	0.004
Pure error	5	2.809	0.40	2.809	0.562
Total	19	704.871	100.00