Upgrading of the Existing Bar Mill in Chonburi for SBQ Production by Retrofitting a High-Performance Abrasive Cut-Off Machine

by Arun Kumar Chowdhary, Vitit Akarasanon, Pornchai T., Gerhard Richter, Christian Lieberknecht, Roman Hemetsberger

Publisher - TATA Steel Thailand / NTS Steel Group Public Co., BRAUN Maschinenfabrik GmbH

Category - General Novel

Abrasive cutting is the ideal cutting technology for upgrading existing rolling mills, especially for long products. An increased flexibility, a high degree of automation and in particular an improved quality of the cut products are substantial advantages of abrasive cut-off machines. For the production of value-added products, such as SBQ, the utilization of perfectly tuned, state-of-the-art abrasive cut-off machines is essential to achieve the required product quality. As one important part of the modernization and upgrading plan for their existing bar mill in Chonburi, Thailand, NTS-TATA therefore decided to install a high-performance abrasive cut-off machine from BRAUN in addition to the existing cold shear. By this means, NTS-TATA does have perfect flexibility for rolling both SBQ products and deformed bars. The paper describes how the various challenges of this project were successfully managed and the operational results achieved.

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