Research Article
Turning SKD 11 Hardened Steel: An Experimental Study of Surface Roughness and Material Removal Rate Using Taguchi Method
Table 5
The results of the experiments with S/N ratio values.
| | Test no. | Cutting speed (m/min) | Feed rate (mm/rev) | Depth of cut (mm) | Ra (μm) | MRR (cm3/min) | S/N ratios Ra | S/N ratios MRR |
| | 1 | 119 | 0.11 | 0.2 | 0.541 | 2.5821 | 5.33605 | 8.2395 | | 2 | 119 | 0.17 | 0.4 | 1.157 | 7.9812 | −1.26667 | 18.0414 | | 3 | 119 | 0.20 | 0.5 | 1.516 | 11.7370 | −3.61398 | 21.3911 | | 4 | 151 | 0.11 | 0.4 | 0.691 | 6.5578 | 3.21044 | 16.3352 | | 5 | 151 | 0.17 | 0.5 | 1.428 | 12.6684 | −3.09456 | 22.0544 | | 6 | 151 | 0.20 | 0.2 | 1.415 | 5.9616 | −3.01513 | 15.5073 | | 7 | 189 | 0.11 | 0.5 | 1.043 | 10.2465 | −0.36569 | 20.2115 | | 8 | 189 | 0.17 | 0.2 | 1.223 | 6.3342 | −1.74853 | 16.0338 | | 9 | 189 | 0.20 | 0.4 | 1.527 | 14.9040 | −3.67678 | 23.4661 |
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