Mathematical simulation of roughing electric drives of 450 bar and shape mill mounted at arch-furnace plant of Magnitogorsk iron and steel works, OJSC

Mathematical simulation for the electromechanical system of the bar and shape mill roughing stands forms the basis for the investigation of force interaction between electric drives through a rolled strip under varying rolling process conditions. The paper focuses on operation of roughing stands without control of the inter-stand tensions and with two different systems of indirect tension control, where the rolling motor torque value specifies tension of rolled metal. Tension control accuracy for systems under study is estimated.