Table 2.
Experimental plan and simulation results.
| Factor Level Coding | Evaluation Index | |||||
|---|---|---|---|---|---|---|
| Serial Number | X1 | X2 | X3 | Straightness | Residual Stress | Martensite Content |
| mm | MPa | % | ||||
| 1 | −1 | 0 | 1 | 10.11 | 419 | 0.6219 |
| 2 | −1 | 0 | −1 | 12.5 | 411 | 0.5936 |
| 3 | −1 | 1 | 0 | 10.96 | 406 | 0.5861 |
| 4 | 0 | 1 | −1 | 10.28 | 426 | 0.6642 |
| 5 | 0 | 0 | 0 | 9.83 | 462 | 0.7623 |
| 6 | 0 | −1 | −1 | 10.84 | 421 | 0.6378 |
| 7 | 1 | 1 | 0 | 6.15 | 486 | 0.8321 |
| 8 | 1 | 0 | 1 | 4.27 | 512 | 0.8795 |
| 9 | 0 | −1 | 1 | 9.21 | 439 | 0.6923 |
| 10 | 0 | 0 | 0 | 9.83 | 462 | 0.7623 |
| 11 | 0 | 0 | 0 | 9.83 | 462 | 0.7623 |
| 12 | 0 | 0 | 0 | 9.83 | 462 | 0.7623 |
| 13 | 0 | 1 | 1 | 8.42 | 454 | 0.7235 |
| 14 | 1 | 0 | −1 | 7.26 | 493 | 0.8031 |
| 15 | 0 | 0 | 0 | 9.83 | 462 | 0.7623 |
| 16 | 1 | −1 | 0 | 6.63 | 482 | 0.8264 |
| 17 | −1 | −1 | 0 | 11.25 | 401 | 0.5752 |