Investigation on Effect of Material Hardness in High Speed CNC End Milling Process

Table 6

Results for comparison.

Optimum parameter values
Hardness	Speed	Feed rate	Depth of cut
Brass (20)	11853	1268	2.34
Gunmetal (60)	11582	2176	2.85
Phosphor bronze (160)	10968	1869	2.78
CI415	9258	1569	2.98
Aluminium (90)	11620	2690	2.96
Stainless steel (196)	10580	2169	0.852
Alloy steel (280)	9864	1985	0.742