Research Article
Optimizing Cutting Conditions and Prediction of Surface Roughness in Face Milling of AZ61 Using Regression Analysis and Artificial Neural Network
| Sample ID | Group | Spindle speed (rpm) | Depth of cut (mm) | Table feed (mm/min) | Surface Ra (μm) | Material removal rate (MRR) mm3/min |
| 1 | 1 | 500 | 0.5 | 50 | 0.185 | 1000 | 2 | 500 | 0.5 | 100 | 0.226 | 2000 | 3 | 500 | 0.5 | 150 | 0.332 | 3000 | 4 | 500 | 0.5 | 200 | 0.403 | 4000 |
| 5 | 2 | 500 | 1 | 50 | 0.21 | 2000 | 6 | 500 | 1 | 100 | 0.225 | 4000 | 7 | 500 | 1 | 150 | 0.327 | 6000 | 8 | 500 | 1 | 200 | 0.37 | 8000 |
| 9 | 3 | 500 | 1.5 | 50 | 0.177 | 3000 | 10 | 500 | 1.5 | 100 | 0.217 | 6000 | 11 | 500 | 1.5 | 150 | 0.259 | 9000 | 12 | 500 | 1.5 | 200 | 0.313 | 12000 |
| 13 | 4 | 500 | 2 | 50 | 0.164 | 4000 | 14 | 500 | 2 | 100 | 0.174 | 8000 | 15 | 500 | 2 | 150 | 0.22 | 12000 | 16 | 500 | 2 | 200 | 0.248 | 16000 |
| 17 | 5 | 1000 | 0.5 | 50 | 0.133 | 1000 | 18 | 1000 | 0.5 | 100 | 0.184 | 2000 | 19 | 1000 | 0.5 | 150 | 0.197 | 3000 | 20 | 1000 | 0.5 | 200 | 0.245 | 4000 |
| 21 | 6 | 1000 | 1 | 50 | 0.14 | 2000 | 22 | 1000 | 1 | 100 | 0.189 | 4000 | 23 | 1000 | 1 | 150 | 0.207 | 6000 | 24 | 1000 | 1 | 200 | 0.228 | 8000 |
| 25 | 7 | 1000 | 1.5 | 50 | 0.154 | 3000 | 26 | 1000 | 1.5 | 100 | 0.19 | 6000 | 27 | 1000 | 1.5 | 150 | 0.202 | 9000 | 28 | 1000 | 1.5 | 200 | 0.258 | 12000 |
| 29 | 8 | 1000 | 2 | 50 | 0.135 | 4000 | 30 | 1000 | 2 | 100 | 0.2 | 8000 | 31 | 1000 | 2 | 150 | 0.238 | 12000 | 32 | 1000 | 2 | 200 | 0.274 | 16000 |
| 33 | 9 | 1500 | 0.5 | 50 | 0.115 | 1000 | 34 | 1500 | 0.5 | 100 | 0.185 | 2000 | 35 | 1500 | 0.5 | 150 | 0.215 | 3000 | 36 | 1500 | 0.5 | 200 | 0.242 | 4000 |
| 37 | 10 | 1500 | 1 | 50 | 0.156 | 2000 | 38 | 1500 | 1 | 100 | 0.181 | 4000 | 39 | 1500 | 1 | 150 | 0.185 | 6000 | 40 | 1500 | 1 | 200 | 0.224 | 8000 |
| 41 | 11 | 1500 | 1.5 | 50 | 0.137 | 3000 | 42 | 1500 | 1.5 | 100 | 0.149 | 6000 | 43 | 1500 | 1.5 | 150 | 0.217 | 9000 | 44 | 1500 | 1.5 | 200 | 0.24 | 12000 |
| 45 | 12 | 1500 | 2 | 50 | 0.12 | 4000 | 46 | 1500 | 2 | 100 | 0.149 | 8000 | 47 | 1500 | 2 | 150 | 0.191 | 12000 | 48 | 1500 | 2 | 200 | 0.235 | 16000 |
| 49 | 13 | 2000 | 0.5 | 50 | 0.136 | 1000 | 50 | 2000 | 0.5 | 100 | 0.153 | 2000 | 51 | 2000 | 0.5 | 150 | 0.187 | 3000 | 52 | 2000 | 0.5 | 200 | 0.228 | 4000 |
| 53 | 14 | 2000 | 1 | 50 | 0.153 | 2000 | 54 | 2000 | 1 | 100 | 0.163 | 4000 | 55 | 2000 | 1 | 150 | 0.213 | 6000 | 56 | 2000 | 1 | 200 | 0.22 | 8000 |
| 57 | 15 | 2000 | 1.5 | 50 | 0.14 | 3000 | 58 | 2000 | 1.5 | 100 | 0.155 | 6000 | 59 | 2000 | 1.5 | 150 | 0.217 | 9000 | 60 | 2000 | 1.5 | 200 | 0.228 | 12000 |
| 61 | 16 | 2000 | 2 | 50 | 0.18 | 4000 | 62 | 2000 | 2 | 100 | 0.225 | 8000 | 63 | 2000 | 2 | 150 | 0.255 | 12000 | 64 | 2000 | 2 | 200 | 0.268 | 16000 |
|
|