Research Article
Optimization of Rolling Schedule for Single-Stand Reversible Cold Rolling Mill Based on Multiobjective Artificial Fish Swarm Algorithm
Table 3
Comparison of optimized schedule (Opt.) and empirical schedule (Emp.) for No.1 SPEC.
| Pass | Method | Outlet thickness [] | Reduction rate | Rolling force [] | Power [] | Rolling speed [] | Rolling time [] |
| 1 | Opt. | 1.73 | 0.37091 | 8242 | 4449 | 500 | 2.932 | Emp. | 1.92 | 0.30 | 6550 | 3184 | 500 | 2.67 |
| 2 | Opt. | 1.07 | 0.38150 | 8521 | 4618 | 600 | 3.909 | Emp. | 1.16 | 0.395 | 8967 | 5169 | 600 | 3.632 |
| 3 | Opt. | 0.65 | 0.39252 | 8636 | 4609 | 700 | 5.433 | Emp. | 0.70 | 0.395 | 8807 | 4870 | 700 | 5.073 |
| 4 | Opt. | 0.390 | 0.40 | 8749 | 4566 | 800 | 7.799 | Emp. | 0.42 | 0.40 | 8717 | 4650 | 800 | 7.274 |
| 5 | Opt. | 0.235 | 0.39744 | 8396 | 4713 | 1000 | 10.32 | Emp. | 0.255 | 0.39 | 8177 | 4631 | 1000 | 9.554 |
| 6 | Opt. | 0.16 | 0.31915 | 8717 | 5150 | 1200 | 12.617 | Emp. | 0.16 | 0.37 | 9342 | 5856 | 1200 | 12.615 |
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