| Levels | Controlling factors | |||||
| Surface roughness (Ra) | Flank wear (VBmax) | |||||
| Vc | ap | f | Vc | ap | f | |
| Level 1 | 3.3422 | 9.4022 | 6.2499 | 0.8645 | −0.2807 | −0.9073 |
| Level 2 | 7.2473 | −0.7156 | 4.5274 | −1.4603 | 2.4045 | −2.2881 |
| Level 3 | −1.2417 | 0.6612 | −1.4295 | 0.8356 | −1.8840 | 3.4353 |
| Delta | 0.5573 | 0.5770 | 0.6090 | 2.3248 | 4.2886 | 5.7234 |