Research Article
One-Time Roll-Forming Technology for High-Strength Steel Profiles with “日” Section
Table 4
Range analysis of orthogonal experimental results.
| | Flange height (h) | Sheet thickness (t) | Forming speed () |
| k1 | 3.14 × 10−4 | 2.17 × 10−4 | 4.27 × 10−4 | k2 | 4.37 × 10−4 | 3.57 × 10−4 | 3.50 × 10−4 | k3 | 4.00 × 10−4 | 5.60 × 10−4 | 3.67 × 10−4 | Range R | 1.23 × 10−4 | 3.43 × 10−4 | 0.77 × 10−4 |
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