| 摘要 |
PURPOSE:To make possible the breadth of slab to be greatly changed, by carrying out two or more passes of reversing broadside rolling while holding the slab in the same posture, and then, by carrying out the finish rolling following to the rough and intermediate rollings. CONSTITUTION:The line is constituted of the broadside rolling line 13 consisting of heating furnace 12 and one or more broadside rolling mills, the rough rolling line 14 consisting of one or more roughing mills, the edging mill and descaling apparatus, and the auxilliary line 15 installed when it is necessary, consisting of crop shear, descaling apparatus and edging mill, and the finish rolling line 16 consisting of one or more finishing mills. Depending on this constitution, at least two or more passes for every reversing broadside rolling are carried out at the same posture by at least one broadside rolling mill 13. According to this method, the broadside rolling can be carried out at extremely high efficiency using minimum number of broadside rolling mills. |
