Control factors along with their values and levels
| Factor . | Name . | Units . | Type . | Levels . | |||
|---|---|---|---|---|---|---|---|
| Level 1 . | Level 2 . | Level 3 . | Level 4 . | ||||
| A | Environment | Categorical | MQL | HPC | – | – | |
| B | Cutting speed, v | m/min | Numerical | 210 | 320 | 400 | – |
| C | Depth of cut, a | mm | Numerical | 1.5 | 2 | 2.5 | – |
| D | Feed rate, f | mm/rev | Numerical | 0.224 | 0.28 | 0.355 | 0.4 |
| Factor . | Name . | Units . | Type . | Levels . | |||
|---|---|---|---|---|---|---|---|
| Level 1 . | Level 2 . | Level 3 . | Level 4 . | ||||
| A | Environment | Categorical | MQL | HPC | – | – | |
| B | Cutting speed, v | m/min | Numerical | 210 | 320 | 400 | – |
| C | Depth of cut, a | mm | Numerical | 1.5 | 2 | 2.5 | – |
| D | Feed rate, f | mm/rev | Numerical | 0.224 | 0.28 | 0.355 | 0.4 |