Table 2.

Experimental results for surface roughness with different tools.

Run No.	Spindle Speed (rpm)	Feed Rate (mm/min)	Depth of Cut (µm)	Surface Roughness for T1 (µm)	Surface Roughness for T2 (µm)
1	15,000	100	10	0.270	0.371
2	15,000	100	10	0.203	0.369
3	20,000	150	5	0.225	0.340
4	20,000	50	5	0.169	0.388
5	15,000	100	5	0.231	0.319
6	15,000	100	10	0.253	0.371
7	15,000	150	10	0.221	0.320
8	20,000	50	15	0.251	0.359
9	15000	100	15	0.199	0.370
10	10,000	150	5	0.233	0.333
11	20,000	150	15	0.241	0.309
12	15,000	100	10	0.232	0.364
13	10,000	150	15	0.182	0.368
14	15,000	100	10	0.274	0.389
15	20,000	100	10	0.230	0.355
16	10,000	50	5	0.229	0.350
17	15,000	100	10	0.233	0.320
18	10,000	50	15	0.210	0.367
19	15,000	50	10	0.226	0.341
20	10,000	100	10	0.241	0.351