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Table 8
The goals set and the limits used for the optimization.
| Parameter & response | Goal | Lower limit | Upper limit | Lower weight | Upper weight | Importance |
|---|---|---|---|---|---|---|
| N (rev/min) | is in range | 1000 | 1500 | 1 | 1 | 3 |
| f (mm/rev) | is in range | 0.05 | 0.125 | 1 | 1 | 3 |
| Coolant Pressure (Pa) | is in range | 250 × 103 | 750 × 103 | 1 | 1 | 3 |
| Weight percentage of Nano Particle (g) | is in range | 0.5 | 1.5 | |||
| Fz (N) | Minimize | 465 | 590 | 1 | 1 | 3 |
| Temperature at drill cutting edge (°C) | 224 | 346 | ||||
| Ra (μm) | Minimize | 0.366 | 1.185 | 1 | 1 | 3 |
| VB (μm) | Minimize | 0.0427 | 0.078 | 1 | 1 | 3 |
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