Study of Complex Helical Drill with a “S” Type Chisel Edge Tip Orient to Carbon Fiber Reinforced Plastics

Table 3

The parameter of the orthogonal array.

	1	2	3	4	5	6	7	8	9	10	11	12	13	14	15	16
n (r/min)	500	800	1250	2000	500	800	1250	2000	500	800	1250	2000	500	800	1250	2000
F (mm/r)	0.04	0.04	0.04	0.04	0.06	0.06	0.06	0.06	0.1	0.1	0.1	0.1	0.13	0.13	0.13	0.13