Table 3 Design of experiment for width-to-thickness (w/t) ratio of a discontinuous chip and its results.
S. no. | Spindle speed (rpm) | Depth of cut (mm) | Feed rate (mm/min) | Width-to-thickness (w/t) ratio of a discontinuous chip | ||
|---|---|---|---|---|---|---|
Uncoated carbide (UCC) tool | TiAlN coated carbide tool | PCD tool | ||||
1 | 3000 | 0.5 | 100 | 2.568 | 82.829 | 9.454 |
2 | 3000 | 1 | 200 | 1.959 | 17.44 | 10.246 |
3 | 3000 | 1.5 | 300 | 8.396 | 7.726 | 34.869 |
4 | 4000 | 0.5 | 100 | 11.139 | 18.514 | 10.014 |
5 | 4000 | 1 | 200 | 1.005 | 19.437 | 6.033 |
6 | 4000 | 1.5 | 300 | 6.378 | 19.279 | 10.615 |
7 | 5000 | 0.5 | 100 | 8.222 | 9.184 | 19.494 |
8 | 5000 | 1 | 200 | 6.323 | 11.486 | 25.008 |
9 | 5000 | 1.5 | 300 | 14 | 9.623 | 39.109 |