Modelling of the hydraulic work roll bending control system of the plate rolling mill

For modern hot rolling mills the typical hydraulic circuit was designed to control the roll bending force during rolling process. The most common operating modes of the roll bending system were studied: rolling, start and stop. The bending roll control system was designed in the form of functional blocks, connecting the actuators, sensors and sided subsystems of the rolling control. A functional diagram of the work bending, including of reference and actual values generation. A force regulator was made on the basis of signals from the pressure sensors and the actual effort. A simulation of the regulator were displayed for the main operation modes of the bending system.