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 folding device (1) for a bending press, in particular an edging press for a 180°-folding brace on a workpiece (2) with a forming die (3) comprising a V-groove and a forming stamp (4) adjustable thereto and comprising a wedge extension (26) and with a folding die (5) arranged adjacent to the forming die (3) and forming a support surface (33) in a plane (23) extending perpendicular to an adjustment direction of the forming stamp (4). A tool mount (7) with the forming die (3) and the folding die (5) is arranged adjustably on an upper side (18) of a table beam (9), in a direction perpendicular to a bending plane (22), forming a gap (27) for mounting the wedge extension (26) for the folding procedure.

Abstract: The invention describes a bending press (1), in particular a press brake (2), with a stationary bottom press beam (12) or press table (73) and a top press beam (10) which can be displaced relative to the bottom press beam (12) or press table (73) by means of a displacement drive (11). The bottom press beam (12) or press table (73) or a machine table or machine frame (13) supporting the bottom press beam (12) has at least one recess (5) affording foot room (6)) for an operator on a control side (3) of the bending press (1).

Abstract: Bending machine, in particular a folding press (1), comprising a machine frame (2), a press table (3) supporting a lower die (5) and connected to the machine frame (2), a press beam (7) supporting an upper die (8) and adjustable along a guide (11) on the machine frame (2) in the direction (12) of the press table (3) as well as at least one adjusting member (13) for adjusting the press beam (7) in the direction (12) of the press table (3) with two relatively adjustable adjusting elements (15, 17), wherein a first adjusting element (15) of the adjusting member (13) is drive-connected by means of a first connecting element (24) to the adjustable press beam (7). In this case a second adjusting element (17) of the adjusting member (13) is drive-connected by means of a second connecting element (25) in or below a horizontal reference plane (27) running through a press table bearing surface (4) to the machine frame (2) or the press table (3).

Abstract: A gripping device for a manipulation system, particularly a robot, for receiving workpieces and feeding them from a readied stack of the workpieces to a manufacturing plant such as a metal sheet folding machine, punching press, welding plant, etc. The device has a gripper head fitted with gripping means such as suction cups, magnets, tongs, etc., and a detection system for detecting characteristics of the workpiece gripped by the gripping means. A pulse emitter excites vibrations in the workpiece and the vibration spectrum of the workpiece is compared to reference vibration data to determine characteristics of the gripped workpiece, such as whether two or more workpieces are stuck together, or whether the workpiece is the correct workpiece.

Abstract: The invention describes a safety system (22) for a production unit (1) for bending a sheet metal part (3), in particular for a bending press (2), with a stationary bench beam (13) and a bending tool (4, 5) for a displaceable press beam (13), and with a light beam transmitter and receiver system (23) monitoring an operating region to prevent trapping of a foreign body. The bending tool (5) disposed in the press beam (13) is provided in the form of a slat pack (34) comprising at least one reference slat (35) and at least one tool slat (33) which can be displaced relative to it, which are provided with recesses (60) traversing them in the direction of a thickness (32). When oriented in alignment, these form a beam passage (65) for a light beam (9), in particular a laser light beam, extending parallel with an end face (8) of the press beam (13). An embodiment of the bending tool is possible in the form of a skeleton tool.

Abstract: The invention relates to a separating device (1) with a manipulating device (5) and with at least one carrier support (2) with at least one stacking shaft (3) for workpieces (4) disposed on it, in particular metal plates made ready for a bending operation on a bending press, and with a gripping mechanism (14) for removing the workpiece (4) from the stacking shaft (3) and transporting the workpiece (4) from a pick-up position into a transfer position. The manipulating device (5) and the carrier support (2) are positioned relative to one another by means of positioning means (65), and at least one fixed positioning space (27) for the carrier support (2) is provided in a reference position of the stacking shaft (3) with respect to the manipulating device (5).

Abstract: The invention relates to production unit (1), in particular a bending press (2), for forming workpieces (3) of sheet metal, having two press beams (15, 16) which are displaceable relative to one another by means of a drive mechanism (53) and can be used to obtain a required tool length (42) by fitting a variable number of bending tools (36, 37). To enable them to be identified and/or their positions detected on an at least partially automated basis, the inserted bending tools (35, 37) have unmistakable codes in the form of electronically detectable information carriers (43).

Abstract: The invention relates to a safety device (45), in particular a beam-emitting and beam-receiving device, for a manufacturing machine (1), e.g. an edging press, with at least one retaining mechanism (51) for the safety device (45) designed as an adjusting mechanism (52) on a press beam (15,16) fitted with bending tools (36, 37) in a tool mounting device (35). By means of the retaining mechanism (51) designed as an adjusting mechanism (52) the beam emitter (47) and/or beam receiver (48) can be adjusted in a direction perpendicular to the standing surface (9) between at least one working position (55) and a park position (54), whereby in the park position (54) automatic locking takes place.

Abstract: The invention relates to a production unit (1), in particular a bending press, and a method of operating the latter in order to shape workpieces of sheet metal between two press beams (15, 16) equipped with bending tools (36, 37) and displaceable relative to one another by means of a drive system (27), and having a control unit (47). The control unit (47) incorporates a detection system and has at least one detection means which is connected so as to communicate with the detection system in order to transmit data and/or signals.

Abstract: A bending machine (1) is provided wherein components of the existing abutment system, namely a drive part or a carriage (7), which can be directly or indirectly detachably coupled to the lower tool, are used instead of an additionally integrated device (axle) for displacing lower tools (2) transversely in relation to their length. In this way, the existing axle of the abutment system can also be used to adjust the tool.

Abstract: A metal sheet folding device, particularly a folding press, comprising a table beam stationarily arranged on a machine frame, and a press beam arranged on the machine frame in guide arrangements with a driving device. The press beam is adjustable in relation to the table beam. Furthermore, provision is made for a sheet depositing/positioning device for at least one metal sheet plate or at least one workpiece for intermediately positioning the latter for carrying out a gripping operation with the gripping device of a handling system. The device is supported on the machine frame preferably on the table beam and adjustable in a linear guide arrangement in the direction of the longitudinal expanse of the table beam over at least part of the length.

Abstract: A metal sheet-receiving system for receiving parts and feeding a metal sheet-folding machine, particularly a folding press comprising at least one manipulator for seizing and moving metal sheet parts with a gripper head fitted with gripping means; an electronic controlling device for controlling the movements of the manipulator; as well as a measuring system for determining the position of the metal sheet parts. The measuring system is formed by an optoelectronic measuring device, particularly an image acquisition means, and a transillumination platform.

Abstract: A manufacturing system for folding sheet bars, particularly sheet metal bars, comprising a folding press with two press beams, which are adjustable in relation to each other and provided with folding dies, whereby the folding press is fed by means of an automated manipulating system. The manipulating system has three hinged arms connected via pivoting devices to form an arrangement of hinged arms. A first hinged arm is swivel-mounted on a swivel axle extending in a swivel device parallel to a guide track of a linearly displaceable chassis. A second and a third swivel axles supporting the hinged arms are arranged extending parallel to the swivel axle of the swivel device. A gripping system and a seizing device for picking up the sheet bars are arranged in another end area of the hinged-arm arrangement. A positioning device assures that the sheet bar is correctly positioned for the folding process.

Abstract: A method of operating a bending press, in particular an edging press, and a bending press for carrying out this method. For each drive of a drive arrangement, the actual pressing force is detected for the displaceable press beam during a bending process for the workpiece and a relative position of the pressing tool or tools by reference to the longitudinal extension of the press beams is determined on the basis of a force ratio. Different displacement paths of the drives and the displaceable press beam at the respective force-application point of the drive are then determined in an evaluation and/or computer unit, which is provided with a data memory for production and machine data, and corresponding control signals for the drive system are generated in the control unit and actuator elements of the drives are displaced by the displacement paths determined for each drive.

Abstract: The invention describes a safety device (45), in particular a beam-emitting and beam-receiving system for a production machine (1), e.g. an edging press, with a retaining mechanism (51) for the safety device (45) on a press beam (16) to which bending and/or pressing tools can be attached. The retaining mechanism (51) has at least one retaining means (52) designed to be received in a tool holder device (35). A detection system (66) wired to the machine control system of the production machine (1) is provided between the tool holding device (35) and the retaining means (52).

Abstract: A tool-clamping device for a forming tool, in particular a bending punch or bending die, on a compression beam, in particular an edging press, comprising a tool adapter attached to the compression beam and designed to releasably hold the forming tool. At least one resiliently elastic return means is provided between a receiving region of the tool adapter and a connecting region of the tool adapter or between the beam and the tool adapter to counteract a relative displacement between the tool adapter and forming tool and the compression beam in the longitudinal direction of the beam.

Abstract: The invention describes a safety device (45), in particular a beam-emitting and beam-receiving system for a production machine (1), e.g. an edging press, with a retaining mechanism (51) for the safety device (45) on a press beam (16) to which bending and/or pressing tools can be attached. The retaining mechanism (51) has at least one retaining means (52) designed to be received in a tool holder device (35). A detection system (66) wired to the machine control system of the production machine (1) is provided between the tool holding device (35) and the retaining means (52).

Abstract: A method of operating a bending press, in particular an edging press, and a bending press for carrying out this method. For each drive of a drive arrangement, the actual pressing force is detected for the displaceable press beam during a bending process for the workpiece and a relative position of the pressing tool or tools by reference to the longitudinal extension of the press beams is determined on the basis of a force ratio. Different displacement paths of the drives and the displaceable press beam at the respective force-application point of the drive are then determined in an evaluation and/or computer unit, which is provided with a data memory for production and machine data, and corresponding control signals for the drive system are generated in the control unit and actuator elements of the drives are displaced by the displacement paths determined for each drive.

Abstract: A tool-clamping device for a forming tool, in particular a bending punch or bending die, on a compression beam, in particular an edging press, comprising a tool adapter attached to the compression beam and designed to releasably hold the forming tool. At least one resiliently elastic return means is provided between a receiving region of the tool adapter and a connecting region of the tool adapter or between the beam and the tool adapter to counteract a relative displacement between the tool adapter and forming tool and the compression beam in the longitudinal direction of the beam.