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Ammerling W.J.,Friedrich Kocks GmbH and Co. KG | Filippini S.A.,Kocks Pittsburgh Company | Connell P.E.,Kocks Pittsburgh Company
Proceedings of the 10th International Conference on Steel Rolling | Year: 2010

The special bar quality (SBQ) market which focuses on the automotive, agricultural and construction industries has become more and more demanding in terms of dimensional tolerances and mechanical properties of the hot rolled product. Elimination of downstream heat-treatment and descaling steps are forcing hot rolling operations to re-evaluate rolling practices and processes. Along with these demands come a constantly increasing variety of different sizes and material grades to be rolled with remarkably varying lot sizes. The market requirement today is for a bar mill that produces perfect dimensional tolerances at a relatively low temperature with a flexibility to adapt to the rigorous operating environment. Known by top quality producers of "SBQ" products, the 3-roll technology offered with the RSB has become synonymous with best dimensional tolerance and most homogeneous controlled grain size. This has allowed the installation of more than 70 fully-operational Reducing & Sizing Blocks. However, new developments in the technology, now allow today's modern mills to perform at greatly enhanced production levels while still economically producing top quality. Advances like the BAMICON operating system, the CAPAS stand and guide adjusting station and heavy-duty stands all allow today's modern mill to insure constantly repeatable quality. True free-size rolling and rapid stand change allow metals producers to increase production and profitability. Developments in process capability allow the interaction required to develop true low temperature rolling programs.

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