Product category:
Rolling mills and equipment
News Release from: Industrial Automation Services | Subject: Rolling mill automation and quality control
Edited by the Manufacturingtalk Editorial
Team on 31 October 2003
Mill upgrades feature advanced shape
control
Advanced shape control systems feature in two rolling mill upgrades recently carried out in US steel and aluminium plants.
In September 2003, IAS achieved acceptance for the shape control technology upgrade for the No 7 Tandem Cold Mill at Weirton Steel Corporation, Weirton, West Virginia, USA
This article was originally published on Manufacturingtalk on 15 Jul 2003 at 8.00am (UK)
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Shape control uses air bearing measurement roll
The commissioning of new shape control technology for a continuous tandem cold mill includes a new air bearing shape measuring roll, segmented coolant spray bars and strip width measurement.
The shape control technology incorporated software and hardware to control strip flatness, a new air bearing shape measuring roll, segmented coolant spray bars and work roll bending servo control.
The scope also included mechanical modifications to the exit of the mill to accommodate the new equipment as well as modifications to the existing work roll and backup roll chocks, plus a new entry guide box for the last mill stand.
The integrated solution from IAS incorporated equipment from Tippins, Shape Technology, United States Controls and Airtek.
IAS process expertise also assisted Weirton to optimize roll profiles to improve the shape performance.
In August 2003, IAS successfully completed the automation system upgrade for the 3-stand tandem hot mill at Ormet Aluminum in Hannibal, Ohio USA.
The automation system, as designed and installed by IAS, incorporates new hydraulic gap control and dynamic thickness controls as well as interstand tension control.
The system replaces the existing Mannesmann MARAS system with Windows 2000 based graphical programming/maintenance software and VME and Intel based real-time hardware.
Installation and commissioning time was minimized by maintaining all VME based I/O and utilizing maintenance outages for pre-commissioning checks.
IAS is currently supplying automation technology for 9 mills in Australia, China and the USA.
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