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A hydraulic smart cylinder can control both position and the amount of force that it provides. A smart cylinder is a specially constructed linear positioning device that has a feedback device, a servo or proportional valve, closed-loop electronics, and optionally a force feedback device such as pressure transducers or a load cell.
Smart cylinders are typically a 2” or larger cylinder with a gun drilled rod and feedback device mounted on the cap end. Depending on the performance requirements the valve can be mounted on the cylinder and can also have accumulators nearby on the pressure and return lines. Positioning accuracies depend upon the natural frequency of the complete system that the cylinder is attached to.
Electronic synchronization between two or more axis can be achieved using smart cylinders to eliminate mechanical flow dividers for greater accuracy with varying loads between the cylinders.