Application Of A Modern Mill Control System

by Burkhard Kaas

Publisher - GEVA automation, Aachen, Germany

Category - Engineering & IT

Cost consciousness is the driving force in the present market scenario. Any kind of investment at present is either an investment in critical, outdated equipment to minimize risk (e.g. unavailability of spare parts) or related to a short term return on investment where the ROI (below 2 years, preferably below 1 year) is calculated on cost savings rather than increasing production capacity. GEVA automation is a medium sized German company, focusing since 1992 on process automation of long product rolling mills. Out of the focus on Section, Bar and Wire Rod Mills GEVA automation has developed advanced features in Mill Control delivering significant improvements in performance (KPIs) of Rolling Mill Operation. This paper describes the key requirements on features of a modern Mill Control system for long product rolling mills, which can be  implemented as part of upgrading outdated existing Mill Control systems, providing additional benefit on top of reducing obsolescence risk,  installed as add-on packages to existing Mill Control systems. Advances in PLC and drive technology have enabled the development and application of advanced features in Mill Control. These features are described and compared with prior state of the art.

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