Community Research and Development Information Service - CORDIS


The majority of hot-rolled structural sections are straightened by means of a roller-straightening machine (RSM). This machine imposes a series of bends of diminishing size to plastically modify the section and leads to a product that is straight within predetermined tolerances. Technological advances in data acquisition and control logic are only now beginning to be applied to the steel industry. The ultimate aim of this project was to provide a technique to automatically control penetration settings of a production RSM as a result of measuring the straightness of a straightened beam. The whole process essentially works as a feedback loop. Eventually it is hoped to extend this to a feed forward technique, where the condition of the incoming bar is taken into account.

Additional information

Authors: McGORDON A, CORUS UK Limited, Rotherham (GB);WOESTE W, BFI, Düsseldorf (DE);FELDMEYER B, BFI, Düsseldorf (DE);MELLITZER K, Böhler Edelstahl GmbH, Kapfenberg (AT)
Bibliographic Reference: EUR 20892 EN (2003), 89pp. Euro: 15
Availability: EUR-OP reference: KI-NA-20892-EN-S Available from EUR-OP sales agents URL:
ISBN: ISBN: 92-894-6221-3
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