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Five percent productivity increase thanks to endless rolling
Sep 16, 2010
At the Hmisho Trading Group, Syria, SMS Meer, Germany, has modernized the existing rebar mill with an EBROS system for end-less rolling of sections, leading to a significant increase in the plant capacity.
The overall annual production has been increased by 5 percent as a result of this modernization.
A further benefit: The metal yield is improved by 1.5 percent through a reduction in the crop-end losses and the number of short bars. Added to this are the significant savings in labor, thanks to the reduction of cobbles and the transport of non-conformant products.
The EBROS system was developed under license from Steel Plantech, Japan, and is based on the welding technology employed in the construction of tracks for high-speed trains. The technology has now been transferred to steelworks construction. The billet welding system is used to weld together the hot billets (1,100 °C) as they come out of the furnace. This process makes “endless rolling” possible, offering a considerable increase in productivity, material yield and plant utilization factor and guaranteeing a consistently high product quality. At Hmisho, square billets of 130 mm x 130 mm and 12 m in length are welded, based on a yield of 60 t per hour.
The complete rebar mill with high-speed delivery system at Hmisho was supplied in 2007 by SMS Meer. The annual capacity is 350,000 t.
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Five percent productivity increase thanks to endless rolling
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