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Confirmation experiments.
| Initial Cutting Conditions | Optimal Cutting Conditions | ||
|---|---|---|---|
| Predicted Results | Experimental Results | ||
| Levels | 3-1-3-Q3 | 1-1-3-Q5 | 1-1-3-Q5 |
| Surface roughness (µm) | 0.31 | 0.29 | |
| Temperature (°C) | 85 | 81 | |
| Normal force (N) | 17 | 16 | |
| GRG | 0.9106 | 0.9242 | 0.9396 |
| Improvement in GRG = 0.029; the % improvement in GRG = 3.18 | |||
