Research Article
Examination of Machining Parameters and Prediction of Cutting Velocity and Surface Roughness Using RSM and ANN Using WEDM of Altemp HX
Table 6
Prediction of cutting velocity and surface roughness by RSM and ANN.
| Sl. no | Experimental value | RSM prediction | Error (%) | ANN prediction | Error (%) |
| CV (mm/min) | 1 | 1.293 | 1.24 | 4.28 | 1.28 | 0.94 | 2 | 1.287 | 1.26 | 2.15 | 1.30 | 1.34 | 3 | 1.164 | 1.14 | 1.99 | 1.15 | 1.39 | 4 | 0.835 | 0.88 | 4.76 | 0.87 | 4.08 | 5 | 0.504 | 0.47 | 8.15 | 0.50 | 0.17 | 6 | 1.57 | 1.63 | 3.43 | 1.62 | 3.31 | 7 | 1.477 | 1.56 | 5.36 | 1.48 | 0.08 | 8 | 1.281 | 1.35 | 5.07 | 1.28 | 0.08 | 9 | 0.949 | 0.99 | 4.35 | 0.94 | 0.43 | 10 | 1.609 | 1.68 | 4.01 | 1.64 | 1.82 | 11 | 1.921 | 1.97 | 2.61 | 1.92 | 0.03 | 12 | 2.068 | 1.81 | 13.95 | 1.99 | 3.77 | 13 | 1.42 | 1.51 | 6.02 | 1.46 | 2.78 | 14 | 1.891 | 1.80 | 4.82 | 1.89 | 0.07 | 15 | 1.775 | 1.66 | 7.17 | 1.82 | 2.32 | 16 | 2.2 | 2.27 | 3.20 | 2.20 | 0.02 | 17 | 2.201 | 2.02 | 8.83 | 2.21 | 0.42 | 18 | 1.693 | 1.92 | 12.04 | 1.72 | 1.67 | 19 | 1.79 | 1.83 | 2.20 | 1.77 | 0.91 | 20 | 1.651 | 1.59 | 3.86 | 1.64 | 0.48 | 21 | 2.455 | 2.53 | 2.84 | 2.45 | 0.15 | 22 | 2.155 | 2.04 | 5.74 | 2.17 | 0.93 | 23 | 2.04 | 2.00 | 2.16 | 1.99 | 2.23 | 24 | 1.789 | 1.81 | 1.15 | 1.81 | 1.38 | 25 | 1.409 | 1.48 | 4.58 | 1.41 | 0.24 |
| SR (µm) | 1 | 2.34 | 2.23 | 4.84 | 2.45 | 4.70 | 2 | 1.99 | 2.07 | 3.90 | 1.99 | 0.06 | 3 | 2.00 | 1.85 | 7.38 | 2.11 | 5.50 | 4 | 1.59 | 1.58 | 0.58 | 1.61 | 1.26 | 5 | 1.33 | 1.25 | 5.83 | 1.35 | 1.50 | 6 | 2.62 | 2.64 | 0.71 | 2.68 | 2.29 | 7 | 2.35 | 2.50 | 6.29 | 2.44 | 3.83 | 8 | 2.1 | 2.30 | 9.55 | 2.20 | 4.76 | 9 | 1.94 | 2.05 | 5.52 | 1.96 | 1.03 | 10 | 2.32 | 2.58 | 11.09 | 2.36 | 1.72 | 11 | 2.86 | 3.03 | 5.83 | 2.90 | 1.40 | 12 | 3.16 | 2.90 | 8.09 | 3.19 | 0.95 | 13 | 2.72 | 2.73 | 0.19 | 2.78 | 2.10 | 14 | 3.44 | 3.08 | 10.42 | 3.45 | 0.29 | 15 | 3.02 | 2.84 | 6.00 | 3.11 | 2.98 | 16 | 3.53 | 3.39 | 3.92 | 3.60 | 1.98 | 17 | 3.35 | 3.29 | 1.88 | 3.40 | 1.49 | 18 | 3.26 | 3.47 | 6.42 | 3.28 | 0.61 | 19 | 3.19 | 3.30 | 3.49 | 3.17 | 0.63 | 20 | 3.1 | 3.08 | 0.75 | 3.11 | 0.32 | 21 | 3.66 | 3.73 | 1.99 | 3.72 | 1.64 | 22 | 3.76 | 3.74 | 0.52 | 3.76 | 0.00 | 23 | 3.74 | 3.65 | 2.48 | 3.71 | 0.80 | 24 | 3.5 | 3.56 | 1.71 | 3.49 | 0.29 | 25 | 3.22 | 3.29 | 2.21 | 3.22 | 0.07 |
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