TPT January 2010

I ndustry N ews

SMK gets ready for the future Handling line for hot-rolling

SUMITOMO METALS KOKURA (SMK) is to replace the existing three-roll finishing block of its specialty bar mill in Kokura/ Japan by a three-roll block of the latest generation of Friedrich Kocks GmbH & Co KG, Germany. After completing modernisation the mill will consist of the roughing mill, the intermediate mill and the finishing mill, all three of them in a two- high design and the three-roll reducing and sizing block in heavy duty-design [RSB++] as three-roll finishing mill. More than 20 years ago, SMK implemented a combined Kocks three- roll finishing block into its existing rolling mill prior to all other speciality steel bar manufacturers worldwide. Back then and today the decision for the three-roll technology has not been made only on the basis of the quality of the finished products regarding to roundness and tolerance but also because of the reliability and the excellent results of this technology. The fundamental reasons for this investment are the improvement of quality as well as the production capacity

for special steel bar, which are both strategically very important for SMK. The monthly production of the bar mill will be increased by 10% to 90,000t/m. An SMK forecast indicates that the total demand for special steel bar will increase and customers’ requests for higher quality steel grades will accelerate in the long run. The heavy duty design of the new reducing and sizing block allows rolling with higher rolling forces as well as – even combined with temperature controlled rolling – a better product quality. Considering the decrease of rolling efficiency for the production of high quality steel grades, the RSB will increase the efficiency of the whole rolling mill and at the same time will assure competitiveness on the market by saving energy consumption. Friedrich Kocks GmbH & Co KG – Germany Fax: +49 2103 54028 Email: v.d.heiden@kocks.de Website: www.kocks.de

PRESTAR has delivered a new automation line to Interpipe, its client in Ukraine. The line is designed for transport and handling hot-rolled tubes within the range of outside diameters 168mm to 340mm and length up to 15m. The automated line provides the transport between individual technological operations at the non-destructive testing of tubes. The control system on the basis of tubes quality evaluation (surface quality, wall thickness and inherent defects) evaluates the further transport of tubes. The tubes designed for surface defects repair are sent to independent storage points and rotation steadies the tubes to repair the surface. The operator in the semi- automatic regime controls the supply of individual tubes to the position of abrasion, tubes rotation and a displacement of tubes after abrasion. Prestar SRO – Czech Republic Fax: +420 5537 59721

Email: prestar@prestar.cz Website: www.prestar.cz

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