Abstract: A screening machine including at least one screen surface, feeding means that feed material to be screened towards the screen surface and onto the screen surface where the material is separated into a first fraction remaining on the screen surface and into a second fraction passed through the screen surface while the material is moving along the screen surface. In a method for controlling the screening machine, the amount of material on the screen surface is determined by automatic measurement, and the speed of the feeding means is controlled on the basis of the measurement by automatic control.

Abstract: User interface of a mineral processing equipment governs a mineral processing line having several units (crushers, screens) connected in series. The user interface comprises a display screen (14) and control buttons or keys and is connected through a data transmission link to sensors and actuators of the mineral processing equipment for receiving measurement data and sending control commands. The user interface is arranged to show within the display screen (14), by choice of the user status of the mineral processing equipment in diagrammatic representation, or a live camera view (21) of at least one point of the equipment. The diagrammatic representations can be in form of a traffic lights (20) indicating the feeding speeds of the units.

Abstract: The invention relates to a method for controlling a screening machine comprising at least one screen surface, feeding means that feed material to be screened towards the screen surface and onto the screen surface (6a) where the material is separated into a first fraction remaining on the screen surface and into a second fraction passed through the screen surface while the material is moving along the screen surface (6a). In the method, the amount of material on the screen surface is determined by automatic measurement, and the speed of the feeding means (5) is controlled on the basis of die measurement by automatic control (C).