METHOD FOR CONTROLLING SHAPE OF STEEL STRIP IN TEMPER ROLLING
PURPOSE:To easily and securely control a temper rolling process without changing crown ratios of the inlet side and the outlet side in a steel strip. CONSTITUTION:In a roll bending force setting device 5, a correction value preset according to the amount of crown and a plate width on the inlet side...
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Zusammenfassung: | PURPOSE:To easily and securely control a temper rolling process without changing crown ratios of the inlet side and the outlet side in a steel strip. CONSTITUTION:In a roll bending force setting device 5, a correction value preset according to the amount of crown and a plate width on the inlet side of a steel strip 2 is added to a reference value of a roll bending force set by the plate thickness of the steel strip 2, the draft, and the rolling pressure. The value is outputted to a drive 6 as a bending set value. The drive 6 is connected with the increase bender 13 and the decrease bender 14 of a roll tempering machine 1 and each bender is operated according to the roll bending set value. |
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