Surface Roughness Models and Their Experimental Validation in Micro Milling of 6061-T6 Al Alloy by Response Surface Methodology

Table 7

Results of verification tests.

Number	[r/min]	[m/r]	[m]	Surface roughness [m]
				Predicted value	Experimental value
1	10000	2.0	50	1.395	1.359
2	12000	1.2	40	1.417	1.400
3	14000	1.6	10	1.209	1.248
4	16000	2.0	30	1.233	1.195
5	18000	1.6	30	1.149	1.186