Coping with Complexity When Predicting Surface Roughness in Milling Processes: Hybrid Incremental Model with Optimal Parametrization

Table 1

Factors and factor levels used in the DoE in experiment.

D; (mm)	fz; (mm/tooth)	ae; (mm)	HB; (Brinell)	Geom; (mm)	rpm; (rev/min)	Machining time; (s)
8	0.075	3	94	0	22500	1038 (island); 1212 (pocket)
10	0.050	2	92	+0.021	18000	1150 (island); 479 (pocket)
	0.100	4	145	−0.021		658 (island); 476 (pocket)
12	0.025	1	67	+0.042	18000	1754 (island); 734 (pocket)
	0.075	3	94	0		675 (island); 253 (pocket)
	0.130	5	152	−0.042		445 (island); 152 (pocket)
16	0.050	2	92	+0.021	18000	685 (island); 258 (pocket)
	0.100	4	145	−0.021		666 (island); 141 (pocket)
20	0.075	3	94	0	15000	507 (island); 127 (pocket)