Table 3.
Factors and levels for testing Rene 65 drilling tests.
| Factor | Level 1 | Level 2 | Level 3 |
|---|---|---|---|
| Cutting Speed (m/min) | 20 | 30 | 40 |
| Feed Rate (mm/rev) | 0.03 | 0.05 | 0.07 |
| Hardness (HRC) | 41 | 46 | 52 |
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