Abstract: The problem of designing a set of rolls exerting a uniform pressure on material passing between them has elicited many different solutions, none quite satisfactory. A new solution, presented ...

Abstract: Various types of directional-control valves have been systematically analyzed to determine the logic output functions obtained for different input-signal combinations. It was found that a surprisingly ...

Abstract: The negative-inertia mechanism consists of a double-worm drive with a small flywheel attached to the output shaft. By connecting the drive in parallel with the servo load, very high deceleration ...

Abstract: Up to the present, it has always been accepted as a proven and well-established fact that worm gears or screw threads that are self-locking are bound to have an efficiency of less than 50 ...