| 摘要 |
PURPOSE:To secure the roll-welding of sheet bar in the early stage of a finishing mill by heating the butted part between the sheet bars on the inlet side of the finishing mill in a completely continuous hot rolling. CONSTITUTION:The sheet bar rolled by a rough mill 6 to a prescribed dimension is cut by a shear 2 at the tip and the rear end, the cut parts at the tip and the rear end are hearted by a mobile heating device 8, the tip part of the following sheet bar 6 is clamped by a mobile guide 3, pressed to the rear end of the finishing-rolled sheet bar 7 to positioned and the sheet bar is roll-welded by rolling the abutling part in the early stage of the finishing mill. |
