Abstract: The present invention relates to devices for feeding an auxiliary tool into the working zone of a press and can be used most efficiently in hydraulic free-forging presses. The device comprises a body in the form of a horizontally-movable platform located close to a supporting element and mounting a number of tool rods which are set with a provision for being moved relative to the platform by a discrete feed mechanism and for turning in a vertical plane around the supporting element. This layout of the device broadens considerably the technological capabilities of the press and reduces the manual labor and the time spent for feeding the tool.

Abstract: The present invention relates to devices for mounting a tool on the movable crossbeam of a press. The device includes a tool holder carrying tool grippers mounted for relative motion toward and from a tool under the action of fluid-actuated power cylinders accommodated in the crossbeam. The device reduces the amount of labor required for tool replacement and eliminates manual labor.

Abstract: The present invention relates to hydraulic crosshead control systems and may be most advantageously used in free forging hydraulic presses. The system comprises a valve-type hydraulic distributor and a mechanical feedback system which includes two rotatable members mounted on a drive shaft, one member being mounted for progressive movement relative to the shaft by the amount directly proportional to the angle of rotation thereof, and the other member is rigidly secured to the shaft.The hydraulic distributor drive has a member picking-up a feedback signal which is incorporated in the drive in such a manner as to prevent the signal from being transmitted to the manual control handle. The system according to the invention is simple in structure and reliable in operation.