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AMAG Modernizes Continuous Heat Treatment Line

Primetals Technologies successfully commissions continuous heat treatment line no. 2 for AMAG rolling© by Primetals Technologies

AMAG rolling GmbH completed the modernization of continuous heat treatment line no. 2 at its Ranshofen plant in Austria. The goals of the modernization were to use standardized solutions to simplify maintenance, increase availability, and install safety equipment complying with the requirements of the machine safety ordinance. In addition, the project would enable the furnace to support the company in meeting the demands of the aviation industry.

Continuous heat treatment line no. 2 was originally constructed by Primetals Technologies at the end of the 1990s. As part of a facility that produces special aluminum alloy sheet products for aviation customers, the line needs to heat the sheet to precisely the defined target temperature within a maximum tolerance of three degrees. The main components of the continuous heat treatment line include a coil preparation system, a strip infeed with uncoiler, a stitcher and strip looper, a strip flotation furnace, the strip outfeed with strip looper, an inspection section and a coiler. Since the furnace was over 20 years old, a number of the components had become obsolete, which made optimal maintenance more difficult in respect of availability and the procurement of spare parts.

Carried out by Primetals, who acted as an all-round provider of parts, software solutions, and services, the modernization project covered renewal of the electrical installations, automation, and many mechanical components, such as the spool stacks and scrap handling. The work included the replacement of the outmoded open- and closed-loop controls for the strip transport and furnace, switchgear, cables and sensor technology, and also added control containers and hydraulic components. In addition, protective fences and doors with access control were installed to increase personal and operational safety.

The entire modification and commissioning were completed in less than one month. The very first coil produced on the modernized line fulfilled the required quality criteria for aviation products.

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