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1. (WO2018167034) ROLLER STRAIGHTENING MACHINE AND METHOD FOR OPERATING SAME

Pub. No.:    WO/2018/167034    International Application No.:    PCT/EP2018/056191
Publication Date: Fri Sep 21 01:59:59 CEST 2018 International Filing Date: Wed Mar 14 00:59:59 CET 2018
IPC: B21D 1/02
Applicants: SMS GROUP GMBH
Inventors: HAUSMANN, Olaf
JAX, Helmut
BERND BOHNENKAMP, Bernd
DEHMEL, Roman
Title: ROLLER STRAIGHTENING MACHINE AND METHOD FOR OPERATING SAME
Abstract:
The invention relates to a roller straightening machine (1) with a set of upper and lower straightening rolls (2), wherein each straightening roll (2) is provided with a rotary drive (3) to perform a rotation, initiated by the machine controller (4), of the straightening roll (2) and thus to convey a flat metal material to be straightened in a conveying direction (F) and to thereby straighten said flat metal material. To achieve an improved and optimised straightening result, the invention proposes that each straightening roll (2) has a first rotary drive (L1, L2,..., Ln) that can rotate one axial end of the straightening roll (2), and a second rotary drive (R1, R2,..., Rn) that can rotate the other axial end of the straightening roll (2), wherein the machine controller (4) is designed to apply a parameter determining the direction of rotation of the straightening roll (2) to the first and second rotary drives (L1, L2,..., Ln, R1, R2,..., Rn) individually based on a specified value. The invention also relates to a method for operating a roller straightening machine of this kind.