Abstract: The basic invention relates, in particular, to a forging hammer, comprising an electric linear drive, having a linear rotor and a ram that is coupled to the latter for the purpose of executing forging motions, wherein the linear rotor and the ram are connected to each other through an interposed flexurally elastic decoupling structure that acts between the linear rotor and the ram, and the decoupling structure is realized and arranged to decouple the linear rotor, at least partly, from relative motions of the ram relative to the linear rotor that occur during a forging motion.

Abstract: A forming device, (e.g., a spindle press), can include a processing head, having a processing tool that is guided along a movement axis for the forming processing of a workpiece, and a processing region, located opposite the processing head, a processing station configured for the forming processing of the workpiece, and a rotary table having an axis of rotation parallel to the direction of movement and workpiece receptacles that are arranged, with respect to the axis of rotation, in an offset manner with respect to one another in the circumferential direction. The rotary table is configured such that each of the workpiece receptacles is transferable into at least one first working position located within the processing region and into at least one, second working position at least partially laterally outside a cross-sectional area of the processing head in axial projection with respect to the axis of movement.

Abstract: The present invention relates, in particular, to a forging hammer comprising a striker and a hydraulic linear drive that is coupled to the striker and is designed to drive the striker, which drive comprises a hydraulic circuit having a servo-motor hydro pump, a hydraulic cylinder, in particular a differential cylinder, which is fluidically connected downstream of the hydro pump via a directional valve module, and a servo-motor hydro generator, which is fluidically connected downstream of the hydraulic cylinder via the directional valve module, and comprising in addition a control unit configured at least for the simultaneous control of the hydro pump, the hydro generator and the directional valve module.

Abstract: The underlying invention relates in particular to a forming machine, having an electromagnetic linear motor with a linear mover and multiple coil units each with a predetermined coil pole pitch (S) which is measured in the direction of the movement axis. The linear mover includes, in an alternating arrangement along the longitudinal axis (L) thereof, first permanent magnets which are magnetized transversely to the longitudinal axis with a predetermined first magnetic pitch (T1) and second permanent magnets which are magnetized in the direction of the longitudinal axis (L) with a predetermined second magnetic pitch (T2), wherein a ratio of coil width (S) to first magnetic pitch (T1) is 3:1, and wherein a ratio of first magnetic pitch (T1) to second magnetic pitch (T2) is 2:1.

Abstract: A press for pressing workpieces can have a) at least two pressing tools and at least one slide that performs working movements with an associated working stroke, b) at least one hydraulic slide drive unit for the slide, which separates a first sub-chamber and a second sub-chamber of a working chamber, and c) at least one slide position measurement device. Additionally, the press can include d) at least one medium reservoir, e) at least one first hydraulic delivery device connected to the first sub-chamber and to the medium reservoir, and f) at least one second hydraulic delivery device. The press can further include g) at least one controllable hydraulic valve, and h) a control device that checks the volumetric flows, pressures, and flow direction of hydraulic medium as a function of the measured slide position and stored or desired movement profiles of the slide and/or of input information from users.

Abstract: A forming machine for forging metal workpieces which have been heated and/or are in a flowable condition including at least two forming tools (4A, 4B), at least one driving device for driving at least one of the forming tools in an approach motion (R) of the forming tools toward one another or in a return motion of the forming tools away from one another, and wherein the driving device comprises at least one eccentric element (22A, 22B) and at least one hydraulic drive element (11A, 11B), wherein the at least one hydraulic drive element (11A, 11B) is coupled hydraulically directly or indirectly to the eccentric element (22A, 22B) in such a way that an eccentric motion of the eccentric element produces a working motion of the hydraulic drive element by way of a hydraulic medium.

Abstract: The invention relates in particular to a machine bed for hydraulic presses. The machine bed has a bed body and at least one pretensioning unit. The pretensioning unit is realized in such a manner and cooperates with the bed body in such a manner that said bed body is acted upon by lateral pretensioning.

Abstract: The invention relates in particular to a machine bed for hydraulic presses. The machine bed has a bed body and at least one pretensioning unit. The pretensioning unit is realized in such a manner and cooperates with the bed body in such a manner that said bed body is acted upon by lateral pretensioning.

Abstract: A device for handling a workpiece during a shaping process includes at least one gripping mechanism having at least two gripping elements that can move relative to one another for grasping the workpiece; at least one conveying device for conveying the gripping mechanism or at least one support apparatus to which the gripping mechanism is or may be attached; and at least one rotary drive for rotating the gripping mechanism about a rotational axis that extends through the gripping mechanism, and/or for rotating at least one of the gripping elements about a rotational axis that extends through the gripping element. The conveying device and the gripping mechanism can be connected to one another in a flexible manner in a flexible state while being positioned relative to one another in a rigid manner at least in one three-dimensional direction.

Abstract: The invention relates to a method for operating a shaping machine (1) having a tool (2), in particular a shaping machine having a shaping tool, in which the workpiece is handled by means of a handling device (3) during the manufacturing process. To improve the production process, the invention provides that before machining of workpieces on the shaping machine (1), the position and/or orientation of the tool (2) is/are determined by approaching at least one reference surface (5, 6, 7, 8, 9, 10) on the tool (2) with a handling device (3) equipped with at least one sensor (4, 4?), transmitting the determined positions of the reference surfaces (5, 6, 7, 8, 9, 10) to an evaluating means (11), and determining in the evaluating means (11) the position and orientation of the tool (2). The invention further relates to a shaping machine.

Abstract: Implementations of the present invention relate to a method and a corresponding device for shaping a workpiece, in which the lifting of the workpiece from the tool after a shaping process is automated. One implementation of the method relates to (a) placing the workpiece in a shaping position on a first tool of the shaping machine, (b) moving the tools of the shaping machine toward one another, (c) shaping the workpiece between the tools, (d) subsequently moving the tools away from one another, (e) identifying a triggering time when the relative motion of the tools has reached a reference position.,(f) determining a lifting time, which may be a function of the triggering time, and (g) initiating a lifting motion of the workpiece from the first tool by at least one handling device at lifting time.

Abstract: In the transverse wedge rolling machine as claimed in the invention the drive motor is a permanent magnet motor, especially a torque motor. Furthermore the rotational speed of the rollers is controlled depending on their rotary position.

Abstract: Aspects of the present invention relate to an automated handling device for handling a forged piece during a forging press. A method in accordance with an implementation of the present invention involves positioning the workpiece between two tools in a predetermined shaping position in at least one working region of a shaping machine (positioning step), particularly one that operates percussively, moving the tools of the shaping machine relative to one another and shaping the workpiece between the tools during at least one shaping step, holding the workpiece in its shaping position by at least two handling devices during each shaping step, and thus also when the tool(s) strike the workpiece, and automatically controlling or regulating by mutual coordination the motions and positions of at least two handling devices by use of at least one control device.

Abstract: Aspects of the invention relate to a method and a device for transferring workpieces. In the method, at least one first handling device positions and/or securely holds at least one workpiece in a working region of a shaping machine, and, in at least one shaping process in the shaping machine, the at least one first handling device subsequently transfers the workpiece to at least one second handling device. The at least one workpiece is then aligned in a predetermined (or predeterminable) position when it is received by the at least one second handling device with the assistance of the at least one positioning means and a positioning aid.

Abstract: In the transverse wedge rolling machine as claimed in the invention the drive motor is a permanent magnet motor, especially a torque motor. Furthermore the rotational speed of the rollers is controlled depending on their rotary position.

Abstract: The invention relates to an apparatus (2) for holding at least one roll (10) which rotates or can rotate about a rotational axis (A) and at least one second roll (20) of a rolling machine which rotates or can rotate about a rotational axis (B), having a) two first holding devices (11, 12) for the first roll (10) and two second holding devices (21, 22) for the second roll (20), b) at least one or at least two first coupling devices (13, 14) for the first roll (10) and at least one, preferably at least two second coupling devices (23, 24) for the second roll (20), c) each coupling device (13, 14; 23, 24) having at least two corresponding coupling parts (13a, 13b; 14a, 14b; 23a, 23b; 24a, 24b), d) the in each case corresponding coupling parts (13a, 13b; 14a, 14b; 23a, 23b; 24a, 24b) being connected in a form-fitting and/or force-transmitting manner to one another in the coupled state of the coupling devices (13; 14; 23; 24), for the generation of a torque-transmitting connection of each holding device (11,

Abstract: In the transverse wedge rolling machine as claimed in the invention the drive motor is a permanent magnet motor, especially a torque motor. Furthermore the rotational speed of the rollers is controlled depending on their rotary position.

Abstract: A device for holding at least one roller of a rolling machine that can rotate about a rotational axis includes two holding arrangements that can be arranged on opposite faces of the roller viewed in the direction of the rotational axis. The device further includes at least two coupling parts each configured for a coupled mode and an uncoupled mode. A first of the two coupling parts has at least one, preferably essentially straight first groove, and has a second groove that does not run parallel to the first groove. A second of the two coupling parts includes a first coupling element and a second coupling element, wherein the first coupling element projects further outward from the second coupling part than the second coupling element. In at least one implementation, the roller can be detached or removed from the holding arrangements when the holding arrangements are in uncoupled mode.

Abstract: A cold-extrusion press wherein a platen (4) carries a die part (31) and is capable of being moved towards and away from a stationary table (2) by piston/cylinder devices (5, 6), working piston/cylinder device (7) acts upon extrusion mandrel (11) to exert a deforming pressure, control means (41) activates an adjustable main valve (12, 28) adjustable for different values of travel and speed of the extrusion mandrel (11), platen (4) entrains the extrusion mandrel (11) by spaced stops (22, 23) to an initial position before the extruding stroke, the working piston/cylinder device (7) is subdivided into two working units (8, 9) arranged in tandem and acting upon the same piston rod (10), and only part of the pressure fluid supplied by the working piston/cylinder device (7) is delivered through the main valve (12) to the one working unit (8), whereas the other part of the pressure fluid is delivered to the other working unit (9) without a controlled main valve.