Siemens to Modernize Hot Strip Mill for voestalpine Stahl
07/06/2011 - Siemens has won an order from voestalpine Stahl GmbH to modernize the main drives on the hot strip mill at the company's plant in Linz. Modernization work—due to be completed in spring 2013—will take place during short maintenance shutdowns.
Siemens has won an order from Austrian company voestalpine Stahl GmbH to modernize the main drives on the hot strip mill at the company's plant in Linz. The drive control system will be integrated into the existing automation environment. Modernization work—due to be completed in spring 2013—will take place during short maintenance shutdowns.
Following conversion, voestalpine Stahl's hot strip mill will produce 4.8 million tonnes of hot-rolled strip per annum in thicknesses ranging from 1.5 to 20 mm and widths of between 700 and 1750 mm. The plant has a roughing stand with an edger, and a finishing mill with seven four-high stands. All eight stands are equipped with Siemens double-motor drives.
The 16 synchronous drives, equipped with cycloconverters and Simadyn D controllers, will be fitted with new Sinamics control components. The existing power units of the converters will be retained, enabling the rolling mill drives to be modernized without having to replace the whole converters. Siemens will also be responsible for configuration, detail engineering, installation, and commissioning.
This order was preceded by successful piloting of the modernization concept on one drive in the finishing mill in December 2010.
The Siemens Industry Sector (Erlangen, Germany) is a leading international supplier of environmentally friendly production, transportation, building and lighting technologies. The Sector comprises six divisions: Building Technologies, Drive Technologies, Industry Automation, Industry Solutions, Mobility and Osram. With around 204,000 employees worldwide (September 30), Siemens Industry achieved total sales of approximately €34.9 billion in fiscal year 2010.
The Siemens Industry Solutions Division (Erlangen, Germany) is one of the world's leading solution and service providers for industrial and infrastructure facilities comprising the business activities of Siemens VAI Metals Technologies, Water Technologies and Industrial Technologies. Activities include engineering and installation, operation and service for the entire life cycle. With around 29,000 employees worldwide (September 30), Siemens Industry Solutions posted sales of €6.0 billion in fiscal year 2010.
