The paper presents the characteristics and possibilities of a mill line based on a Duo D-300 mill located at the Institute of Metal Forming and Safety Engineering at the Czestochowa University of Technology. In 2012 year has been started new laboratory semi-industrial rolling mill. Through the years, basic 2-hi rolling mill with independent drives of each roll has been successive expanded of the innovative elements and equipment as fully mechanized and automated roller tables with regulation of the position or active heat shields of the rolled feed. In parallel, measurement and control system integrating all elements has been developed, based on programmable logic controllers. A full technical characteristic and research ability of this rolling mill system have been presented in this paper. With using it a lot of advanced experimental works and scientific researches in area of plastic working processes of metals has been conducted. The characteristic of a few most interesting works were described e.g. asymmetrical rolling of the plates, rolling with heat treatment of special steel grade for pipeline installations, rolling of preliminary explosively welded bimetals, including light weighted bimetal and tri-metals based on magnesium and aluminum.Keywords: Rolling mill system, plastic working processes, asymmetrical rolling, bimetals
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