公开(公告)号：US20200269300A1

公开(公告)日：2020-08-27

申请号：US16493925

申请日：2018-03-13

Applicant: SMS Group GmbH

Inventor： Olaf HAUSMANN ,  Helmut JAX ,  Bernd BOHNENKAMP ,  Roman DEHMEL

IPC: B21D1/02 ,  B21D1/05

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.

公开(公告)号：US20200230677A1

公开(公告)日：2020-07-23

申请号：US16489965

申请日：2018-03-12

Applicant: SMS GROUP GMBH

Inventor： Olaf HAUSMANN ,  Helmut JAX ,  Roman DEHMEL ,  Olexand SHMAGUN

IPC: B21D1/02

Abstract: A method for operating a roll straightening machine having a number of forming tools, the forming tools including at least one set of upper and lower straightening rollers, a flat metal material to be straightened being conveyed between the upper and lower straightening rollers in a conveying direction. In order to achieve high straightening quality even as wear occurs, the method includes the following steps: a) determining the wear state of at least one of the forming tools; b) determining a correction value and/or a compensation value for the operation of the forming tool on the basis of the determined wear state of said forming tool; c) adapting an operating parameter, in particular an adjustment parameter or setting value, for the forming tool on the basis of the determined correction value and/or compensation value.