Mechanical Characterization and Machinability Behavior of Annealed AISI D6 Cold Working Steel

Table 7

Estimated effects and coefficients for main cutting force (coded units).

Term	Effect	Coef.	SE coef.
Constant		384.25	15.78	24.35	0.000
	−6.50	−3.25	15.78	−0.21	0.845
	223.50	111.75	15.78	7.08	0.001
	367.00	183.50	15.78	11.63	0.000
	5.00	2.50	15.78	0.16	0.880
	−7.50	−3.75	15.78	−0.24	0.822
	15.50	7.75	15.78	0.49	0.644
	−41.00	−20.50	15.78	−1.30	0.251
	118.00	59.00	15.78	3.74	0.013
	−4.50	−2.25	15.78	−0.14	0.892
	103.00	51.50	15.78	3.26	0.022

= 63.1189; PRESS = 203981.
-Sq = 97.70%, -Sq (pred.) = 76.42%, and -Sq (adj.) = 93.09%.