| 摘要 |
PROBLEM TO BE SOLVED: To provide a roll for vertically-striped steel plates capable of preventing the occurrence of edge wave and body wave of the vertically-striped steel plate and the damage by rolling fatigue at caliber ends. SOLUTION: This roll for vertically-striped plates has a main caliber region 10 where projecting parts 8 of the roll radius r0 and recessed parts 9 of a roll radius r1 (r1<r0) are alternately arranged in the middle part in the axial direction of the roll, assistant caliber regions 11 of a roll radius r2 extending both outsides of the main caliber region, where, 0.98<=r0/r2<=1.02 and flat regions 12 extending both outsides of the assistant caliber regions of the roll radius r0.
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