Abstract: A production cell for automated processing of workpieces has a protective fence and, arranged therein, at least one production device, for example a bending press, and at least one handling device. A workpiece transfer device for part carriers or workpieces is arranged in the production cell which workpiece transfer device forms a supply position and a delivery position. Here, a delivery device of the workpiece transfer device forms a first delivery path and a second delivery path which extends parallel to the former, wherein, furthermore, a conveyor for optional transfer of a part carrier between the delivery paths is provided on an actuating device.

Abstract: The invention describes a bending press, in particular a press brake, with a stationary bottom press beam or press table and a top press beam which can be displaced relative to the bottom press beam or press table by means of a displacement drive. The bottom press beam or press table or a machine table or machine frame supporting the bottom press beam has at least one recess affording foot room for an operator on a control side of the bending press.

Abstract: The invention describes a switching device which can be variably positioned (45), in particular a foot switch (47), which is connected, preferably wirelessly, to a control device (46) optionally co-operating with a production unit (1), in particular a press brake (2), for transmitting signals and/or data. A positioning system (50) is provided as a means of changing the position when necessary, which comprises at least a detection unit (51) and a drive system (52) in the form of a bogie provided with a drive mechanism and at least one drive member.

Abstract: The invention describes an automatic stop device (1), that can be positioned by means of a control and regulating device of a bending press, in particular an edging press, for positioning a workpiece (6) to be shaped by bending deformation between bending tools (4, 5) arranged opposite one another in a table bar (2) and a bending bar (3) adjustable in relation to the latter. It comprises a stop support slide (13) and a stop support (14) on the latter projecting substantially in perpendicular direction to a bending plane (8) formed by the bending tools (4, 5) and a stop element (15) which forms a finger section and is adjustable in a guiding arrangement (16) running perpendicular to the bending plane (8) relative to the stop support (14) between a position of rest facing the bending plane (8) and a stop position spaced apart from the latter against the effect of a spring arrangement (21).

Abstract: The invention relates to a production device (1) and to a method of operating said device, comprising a bending press (2) for producing workpieces shaped by bending between bending tools (13) of a stationary bench beam (8) and a press beam (9) that is adjustable in relation thereto. The production device (1) further comprises a tool magazine (4) and a handling device (3) with a gripping device (17) for the bending tools (13) and a stop device (23) which has at least one adjustable stop finger (28), and also a control and monitoring device (24). The stop device (23) is connected to a comparator circuit of the control and monitoring device (24) and has a measuring sensor system and at least one measuring means for determining reference position data of the bending tool (13).

Abstract: The invention relates to a control and regulating device for a drive arrangement of a displaceable press beam of a bending press in particular a press brake, comprising a protective housing having an access orifice for a foot of an operator, and comprising a pedal-type actuating element disposed in the protective housing At least one detection means connected so as to communicate with a control and monitoring system of the bending press is assigned to the actuating element and is provided in the form of a motion profile detection means.

Abstract: The invention relates to a machine controller comprising a sensor module (4), an evaluation module (9) and a control module (5), and the sensor module (4) has a convertor which converts a mechanical variable acting on the sensor module (4) into a proportional electric characteristic variable, and the evaluation module (9) is connected via a first signal connection (8) to the sensor module (4) and via a second signal connection (11) to the control module (5). The evaluation module (9) generates a signal profile from the detected electric signal by means of an analysis of potential and/or change, which is compared with at least one reference signal profile stored in a memory means of the evaluation module (9) by means of a comparison module of the evaluation module (9), from which the control signal is generated. Furthermore, at least one of the two signal connections (8, 11) is based on a wireless design.

Abstract: The invention relates to a production cell (5) for automated processing of workpieces (9) having a protective fence (4) and, arranged therein, at least one production device (1), for example a bending press (8), and at least one handling device (2). A workpiece transfer device (12) for part carriers (20) or workpieces (9) is arranged in the production cell (5), which workpiece transfer device (12) forms a supply position (10) and a delivery position (11). Here, a delivery device (16) of the workpiece transfer device (12) forms a first delivery path (13) and a second delivery path (14) which extends parallel to the former, wherein, furthermore, a conveyor (33) for optional transfer of a part carrier (20) between the delivery paths (13, 14) is provided on an actuating device (17).

Abstract: The invention relates to a bending press (1), in particular a press brake (2), for producing workpieces (3) by bending between a bench beam (11) equipped with at least one bending tool (4) disposed in a stationary arrangement on a machine frame (5) and a pressing beam (14) equipped with at least one bending tool (4) which can be displaced relative to the bench beam (11) in linear guides (13) of the machine frame (5) by means of at least one drive means (19) secured to a support bearing device (25). The support bearing device (25) is provided in the form of at least one mounting plate for at least one drive means (19). The latter constitutes a mounting ring for the drive means (19), some regions of which are provided with orifices or peripheral recesses surrounding the mounting ring and weakened zones (38) are provided in the pressing beam (14).

Abstract: The invention relates to a tool magazine (1) for a manipulator (4) comprising a plurality of tool holding fixtures (2) which are distributed in a preparation area (7), especially in a substantially vertical preparation plane (11). The tool magazine (1), on one side (9) of the preparation area (7), comprises a first access opening (10) facing the manipulator (4) and, on the other side (15) of the preparation area (7), a second access opening (16) facing an operator (13) and the first access opening (10) is associated with a first protective device (17) and the second access opening (16) is associated with a second protective device (18).

Abstract: The invention describes a bending press and a production device and describes a method of operating such a press, including a workpiece handling device and including a central control device and a workpiece positioning device with a first arresting device and with at least one further arresting device with arresting fingers which are adjustable in an X axial direction extending perpendicular to a bending plane for positioning a workpiece on a first bending tool for a bending operation between the first bending tool and a second bending tool that is adjustable relative thereto. The arresting device has a carriage module and a finger carrier with the arresting finger, and at least one drive means for the adjustment of the arresting finger is formed by a servomotor activated by means of a measuring and controlling circuit of the control device.

Abstract: The invention describes a manufacturing device (1) and a method for bending blanks (4) or workpieces (5), having a bending press (2) and having a manipulator (3), which can be displaced in a raceway parallel to a longitudinal extent of a table and bending beam (10, 14), for workpiece transfer between a feeding or removal apparatus for the blanks (4) or the workpieces (5) and a forming region between bending tools (21). The manipulator (3) has an articulated-arm arrangement (33) having preferably three arms (34, 35, 36) which can be pivoted via pivoting bearing arrangements (37) about pivot axes (39) which are oriented parallel to the raceway, and said manipulator has a rotary unit (41), having a rotational axis (42) which extends perpendicularly with respect to the pivot axes (39), at one distal end of the articulated-arm arrangement (33).

Abstract: Bending machine, in particular a folding press, including a machine frame, a press table supporting a lower die and connected to the machine frame, a press beam supporting an upper die and adjustable along a guide on the machine frame in the direction of the press table as well as at least one adjusting member for adjusting the press beam in the direction of the press table with two relatively adjustable adjusting elements, wherein a first adjusting element of the adjusting member is drive-connected by a first connecting element to the adjustable press beam. In this case a second adjusting element of the adjusting member is drive-connected by a second connecting element in or below a horizontal reference plane running through a press table bearing surface to the machine frame or the press table.

Abstract: The invention relates to a drive device (1) for a bending press, in particular a folding press (2), comprising a press frame (3), a press table (9) and a press beam (11) that can be adjusted relative to the press table (9) via a hydraulic system (18) comprising a hydraulic pump (47), controlled drive motor (45), switch and control means and pressure lines and at least one pressure cylinder (12) which can be supplied with at least one pressure medium. The hydraulic system (18) forms a closed system together with a ring line (44) comprising the hydraulic pump (47), control valves (39, 41, 58, 84, 86, 87, 88, 89) and a pressure store (57). The ring line comprises a first line section (51) between a pressure chamber (23) of the pressure cylinder (12) and the hydraulic pump (47) and a second line section (53) between an additional pressure chamber (22) of the pressure cylinder (12) and the hydraulic pump (47).

Abstract: The invention relates to a production system (1) for free-form bending. It comprises a bending press (3) with bending tools (4) which are interchangeably held in tool holders (19, 20), a manipulator (28) with gripping tongs (30) having gripping fingers (31, 32), and a recess (35, 36) disposed in the bending tool (4) with stop regions (49, 50) disposed at a distance apart from one another for manipulating the bending tool (4). Additional contact surfaces (40) are provided on ends (38, 39) of the gripping fingers (31, 32) on sides of the gripping fingers (31, 32) facing away from one another. The ends (38, 39) of the gripping fingers (31, 32) are inserted in the recess (35, 36) in order to hold the bending tool (4). The contact surfaces (40) are pressed against the stop regions (49, 50) in the direction opposite the clamping force for holding the workpiece (2) to be produced.

Abstract: The invention relates to a drive device (1) for a bending press (3), in particular a press brake, with a press frame (10) comprising a stationary press beam (2) and having a press beam (4) which can be displaced relative to the press beam (2) by means of a beam adjusting device (6) formed by a closed hydraulic system (5) comprising a hydraulic pump (46) with a controllable drive motor (47), at least one control valve (48) and at least one hydraulic linear actuator (7). The linear actuator (7) comprises a first piston arrangement (25) with a first piston (27) dividing a cylinder chamber (34) into a first pressure chamber (35) and a second pressure chamber (37) and, in another cylinder chamber (39), a second piston arrangement (26) with another piston (28) and at least one other pressure chamber (40). The first piston arrangement (25) and the second piston arrangement (26) are coupled with one another.

Abstract: The invention relates to a method for guiding and distributing high-energy radiation (18), in particular laser radiation, in the tool base body (7) of a bending die (3), in particular a V-shaped die (13), comprising a bending recess (11) in the tool base body (7) and a beam exit opening (17) arranged therein for locally heating a workpiece (2) bearing against a contact surface (10) of the bending die (3) by introducing high-energy radiation (18) from a radiation source (20) arranged outside the tool base body (7) into the tool base body (7) through a beam entry opening (22) and high-energy radiation (18) is discharged to the bending recess (11) through the beam exit opening (17).

Abstract: The invention relates to a bending die (3), particularly a V-shaped die (13), comprising a tool base body (7) with a contact surface (10) for contacting the workpiece (2) to be bent by a bending punch (5), a groove-shaped bending recess (11) in the contact surface (10) and at least one beam exit opening (17) in the bending recess (11) and extending along thereof, which is configured to discharge high-energy radiation (18) onto a workpiece (2) bearing against the contact surface (10) in order to heat the deformation zone of the workpiece (2). An arrangement of diode laser bars (20) is fixed in the interior of the tool base body (7) for producing the radiation (18). Said diode laser bars (20) are arranged at least approximately uniformly along the longitudinal direction (27) of the bending recess (11) behind the beam exit opening (17) in the tool base body (7).

Abstract: The invention relates to a method for bending a flat workpiece (2), comprising the discharge of high-energy radiation (19) in the form of at least one planar fanned beam (24) from a bending recess (12) of a die arrangement (3) having a bending die (7) onto a workpiece (2) bearing against a contact surface (11) of the bending die (7) for the local heating thereof before and/or during a bending process. The one or more planar fanned beams (24; 24a. 24b, . . . ) are produced by a number of optionally activatable radiation sources (22a, 22b, . . . ) which are arranged within the die arrangement (3) along the bending recess (12) or are caused by the distribution of a concentrated radiation beam (40) that is introduced from a radiation source (39) outside the bending dies (7a, 7b, . . . ) via a number of beam affecting arrangements (23a, 23b, . . . ) within the bending dies (7a, 7b, . . .

Abstract: The invention relates to a manipulation device (3) for manipulating a workpiece (4) on a bending press (2), comprising multiple successive moving elements (17), in particular articulated arms (18), connected to one another via articulated joints (19), wherein one moving element (22) has a rotary head (23) which is rotatable about a rotational axis (24) which at least approximately coincides with a center axis (25) of the moving element (22), and comprising a gripping device (27) connected thereto having a gripping zone (34), formed by one or more gripping elements (32), by means of which the workpiece (4) may be held.