Open Access
Table 1
Turning factors and their levels.
| Factor | Symbol | Unit | Level 1 | Level 2 | Level 3 |
|---|---|---|---|---|---|
| Cutting speed | V | m/min | 80 | 190 | 250 |
| Feed rate | S | mm/rev | 0.055 | 0.096 | 0.159 |
| DOC | ap | mm | 0.25 | 0.50 | 0.75 |
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