ROLLER LEVELER AND METHOD FOR OPERATING SAME
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United States of America Patent
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Issued Date -
Aug 27, 2020
app pub date -
Mar 13, 2018
filing date -
Mar 13, 2017
priority date (Note) -
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Abstract
The invention relates to a roller leveler (1) having a set of upper and lower flattening rollers (2), wherein each flattening roller (2) is provided with a rotary drive (3) actuated by leveler control (4) for rotating the flattening roller (2) to advance a to-be-flattened metallic flat material in a forward direction (F) and, thereby, flatten the flat, metallic material. To achieve an improved and optimal flattening result, the invention proposes that each flattening roller (2) has a first rotary drive (L1, L2 . . . Ln) for driving one axial end of the flattening roller (2), and a second rotary drive (R1, R2 . . . Rn) for driving one axial end of the flattening roller (2) and a second rotary drive (R1, R2 . . . Rn) for driving the other end of the flattening roller, wherein the leveler controller (4) is designed to apply a parameter determining the direction of rotation of the flattening roller (2) to the first and second rotary drives (L1, L2 . . . Ln, R1, R2 . . . Rn) individually based on a pre-set value. The invention also relates to a method of operating a roller leveler of this kind.
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