| 摘要 |
PURPOSE: A rolling mill finishing section is provided in which at least some of the rolling units are shiftable onto and off of their respective pass line segments, and switch mechanisms are operable in concert with the selective positioning of the shiftable rolling units to accommodate the rolling of a broad range of finished product sizes from a single feed stock. CONSTITUTION: The single stand hot rolling mill finishing section comprises multi-stand pre-finishing rolling units(10,12) arranged along a first pass line segment (P1); transfer means for selectively shifting the prefinishing rolling units onto and off of the first pass line segment; a multi-stand finishing rolling unit(16) and a multi-stand post finishing rolling unit(18) arranged sequentially along a second pass line segment (P2); and switch means operable in concert with the transfer means to accommodate rolling of products in any one of at least the following rolling unit sequences: the post finishing rolling unit(18); the pre-finishing rolling units(10), post finishing rolling unit(18); the pre-finishing rolling units(10), pre-finishing rolling units(12), post finishing rolling unit(18); the pre-finishing rolling units(10), pre-finishing rolling units(12), finishing rolling unit(16), post finishing rolling unit(18).
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