Table 3
Taguchi L27 experimental plan and results.
| No. | Actual parameters | Coded parameters | Output parameters | |||||||
|---|---|---|---|---|---|---|---|---|---|---|
| G | V (m/s) | s (m/min) | Hd | G | V | s | Hd | Ra (μm) | ΔHRC (HRC) | |
| 1 | 80 | 16 | 2.08 | Level 1 | 1 | 1 | 1 | 1 | 0.66 | 0.61 |
| 2 | 80 | 16 | 3.12 | Level 2 | 1 | 1 | 2 | 2 | 0.75 | 0.92 |
| 3 | 80 | 16 | 4.16 | Level 3 | 1 | 1 | 3 | 3 | 0.79 | 1.31 |
| 4 | 80 | 20 | 2.08 | Level 2 | 1 | 2 | 1 | 2 | 0.41 | 1.17 |
| 5 | 80 | 20 | 3.12 | Level 3 | 1 | 2 | 2 | 3 | 0.62 | 1.44 |
| 6 | 80 | 20 | 4.16 | Level 1 | 1 | 2 | 3 | 1 | 0.68 | 1.58 |
| 7 | 80 | 24 | 2.08 | Level 3 | 1 | 3 | 1 | 3 | 0.31 | 1.79 |
| 8 | 80 | 24 | 3.12 | Level 1 | 1 | 3 | 2 | 1 | 0.28 | 1.64 |
| 9 | 80 | 24 | 4.16 | Level 2 | 1 | 3 | 3 | 2 | 0.58 | 1.77 |
| 10 | 100 | 16 | 2.08 | Level 2 | 2 | 1 | 1 | 2 | 0.57 | 1.23 |
| 11 | 100 | 16 | 3.12 | Level 3 | 2 | 1 | 2 | 3 | 0.67 | 1.51 |
| 12 | 100 | 16 | 4.16 | Level 1 | 2 | 1 | 3 | 1 | 0.7 | 1.52 |
| 13 | 100 | 20 | 2.08 | Level 3 | 2 | 2 | 1 | 3 | 0.32 | 1.61 |
| 14 | 100 | 20 | 3.12 | Level 1 | 2 | 2 | 2 | 1 | 0.29 | 1.59 |
| 15 | 100 | 20 | 4.16 | Level 2 | 2 | 2 | 3 | 2 | 0.6 | 1.55 |
| 16 | 100 | 24 | 2.08 | Level 1 | 2 | 3 | 1 | 1 | 0.22 | 1.47 |
| 17 | 100 | 24 | 3.12 | Level 2 | 2 | 3 | 2 | 2 | 0.26 | 1.73 |
| 18 | 100 | 24 | 4.16 | Level 3 | 2 | 3 | 3 | 3 | 0.34 | 1.59 |
| 19 | 120 | 16 | 2.08 | Level 3 | 3 | 1 | 1 | 3 | 0.33 | 1.89 |
| 20 | 120 | 16 | 3.12 | Level 1 | 3 | 1 | 2 | 1 | 0.3 | 1.21 |
| 21 | 120 | 16 | 4.16 | Level 2 | 3 | 1 | 3 | 2 | 0.61 | 1.75 |
| 22 | 120 | 20 | 2.08 | Level 1 | 3 | 2 | 1 | 1 | 0.23 | 1.19 |
| 23 | 120 | 20 | 3.12 | Level 2 | 3 | 2 | 2 | 2 | 0.27 | 1.25 |
| 24 | 120 | 20 | 4.16 | Level 3 | 3 | 2 | 3 | 3 | 0.35 | 1.68 |
| 25 | 120 | 24 | 2.08 | Level 2 | 3 | 3 | 1 | 2 | 0.21 | 1.74 |
| 26 | 120 | 24 | 3.12 | Level 3 | 3 | 3 | 2 | 3 | 0.25 | 1.89 |
| 27 | 120 | 24 | 4.16 | Level 1 | 3 | 3 | 3 | 1 | 0.24 | 1.67 |
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