TPT September 2007

T ube M ills: R olling & F orming M ethods

to all types of stretch reducing mills. The Tumicon system consists of software tools for setups, roll management and visualization, and real-time hardware components for speed control of the main drives and an intelligent remote control for the adjustment of the stands. All systems are connected to an Oracle database and interact with each other. Technological functions such as heavy end control (HEC) and automatic wall thickness control (AWC) are especially developed for the new Kocks SRB with individual roll and stand drives by means of new methods. The Tumicon remote control with intelligent visualizations gives easy access to the adjustable stands inside the block. If the new ‘free-size’ rolling pass design is used, different outer diameters (and wall thicknesses) can be rolled without changing stands by adjustment only. Most of the components of the Tumicon system can be applied to each type of stretch reducing mill, thus significantly increasing both the output and quality of the rolled tubes.

Mill management and control tool for advanced stretch reducing mills

Friedrich Kocks GmbH & Co KG, Germany, have launched the Kocks Stretch Reducing Block (SRB), a highly flexible tool for finish rolling of tubes. This new technology features individually driven stands (and even rolls), quick roll changing, adjustable stands and remote control, that enables the user to handle production in a more advanced way. A range of technological features can increase the mill output. These include short stand spacing to minimize the heavy end losses, dynamic drives that allow individual speed control for each stand

(eg for wall thickness control), and ‘free- size’ rolling that enables rolling of different dimensions without roll or stand change. Even though previous Stretch Reducing Mills (SRM) were equipped with technological functions such as heavy end control (HEC) and automatic wall thickness control (AWC), their effect was limited due to the characteristics of the group drives. In order to handle all the new features, Kocks developed an integrated management and control system – branded Tumicon – which is generally applicable

Friedrich Kocks GmbH & Co KG – Germany Fax : +49 2103 54 028 Email : v.d.Heiden@kocks.de Website : www.kocks.de

Tube mills for a size range of ½" to 8"

Thai Rolling Machinery (TRM) is a major supplier of tube mills for the production of round, square, rectangular, and special profiles in a size range of ½" to 8". TRM’s dedicated team of engineers and technicians undertake constant R&D in order to provide high-quality, durable and reliable machines. Related high-quality products are also supplied such as TRM rollers and slitter knives. Roll planning and CAD system design is also available to accurately customize submitted designs. TRM products are produced on CNC machines with performance tools and precision measuring equipment by skilled staff to ensure a very fine quality finish.

Thai Rolling Machinery – Thailand Fax : +662 463 1616 Email : contact@thairolling.com Website : www.thairolling.com

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S eptember /O ctober 2007