Control system for a sag adjustment roll for use in paper or card machines comprises a remote control unit that sends electrical control signals to valves on a hydraulic fluid supply channel in the roll shaft

摘要

Control system for a sag adjustment roll for use in paper or card machines, where the roll comprises hydraulic support elements (5) that are pressed against the roll shell (2) by supplying hydraulic fluid through control valves (8) on a supply channel (10) in the roll shaft (1), comprises a remote control unit (9) that sends electrical control signals to the valves.