Abstract: A handling device is provided. The handling device has a holding unit which has at least one holding element with which the part to be bent which is to be received and is arranged on a loading surface can be gripped on one of its flat sides by forces acting in a pulling manner on one side of the flat side at a plurality of successive locations in the longitudinal direction, that the holding unit for its part can be pivoted relative to a pivoting carrier unit about a first pivot axis parallel to the longitudinal direction, that the pivoting carrier unit can be pivoted relative to a pivoting carrier base about a second pivot axis which extends parallel to the first pivot axis, that the pivoting carrier base can be moved by means of a carrier base moving unit in a direction transverse to the second pivot axis.

Abstract: A handling device is provided. The handling device has a holding unit which has at least one holding element with which the part to be bent which is to be received and is arranged on a loading surface can be gripped on one of its flat sides by forces acting in a pulling manner on one side of the flat side at a plurality of successive locations in the longitudinal direction, that the holding unit for its part can be pivoted relative to a pivoting carrier unit about a first pivot axis parallel to the longitudinal direction, that the pivoting carrier unit can be pivoted relative to a pivoting carrier base about a second pivot axis which extends parallel to the first pivot axis, that the pivoting carrier base can be moved by means of a carrier base moving unit in a direction transverse to the second pivot axis.

Abstract: In order to improve a material-working machine for flat material parts, comprising a machine frame, processing tools held on the machine frame, a supporting unit, on which the flat material part can be placed for feeding to the processing tools in at least one main feed direction, and a controller for controlling a processing sequence using the processing tools, in such a way that it can be operated in an ergonomically favorable manner, it is proposed that the supporting unit extends in the main feed direction from a region toward the tool to a region remote from the tool and that the extent between the region toward the tool and the region remote from the tool is variably adjustable.

Abstract: To improve a bending apparatus for flat material parts, comprising a bending device at which the flat material part is positioned in an insertion plane prior to bending and remains in the insertion plane during bending, and a handling device having handling axes for picking up the flat material part from a feed position, inserting it into the bending device for bending, taking it out of the bending device and placing it in a deposit position, so that the bending apparatus requires as little constructional expenditure as possible, it is proposed that the handling device comprise a positioning axis, that the positioning axis have a greater positioning accuracy than the handling axes, that, when positioning the flat material part in at least one bending position relative to a bending line of the bending device, the positioning axis be aligned parallel to the insertion plane and parallel to a direction extending transversely to the bending line, and that, with handling axes rigidly secured, the flat material part

Abstract: The invention concerns a bending machine comprising a machine frame, and upper bar and a lower bar mounted on the frame and mutually mobile, a bending bar mounted on the frame, a bending bar mounted on the frame and mobile relative to the frame, to the upper bar and to the lower bar, said bending bar being provided with a support and a bending tool pressing on said support via a bending device actuated by a control unit. The invention aims at making the bending adjustment faster and more accurate. Therefor, said bending device is equipped with an adjusting device capable of being used during a bending operation; the adjusting device, which is actuated by the control unit, can be controlled during a bending operation; at least one sensor associated with the control unit enables detection, through the adjusting device of an adjustment performed by the control unit.

Abstract: The invention concerns a bending machine comprising a machine frame, and upper bar and a lower bar mounted on the frame and mutually mobile, a bending bar mounted on the frame, a bending bar mounted on the frame and mobile relative to the frame, to the upper bar and to the lower bar, said bending bar being provided with a support and a bending tool pressing on said support via a bending device actuated by a control unit. The invention aims at making the bending adjustment faster and more accurate. Therefor, said bending device is equipped with an adjusting device capable of being used during a bending operation; the adjusting device, which is actuated by the control unit, can be controlled during a bending operation; at least one sensor associated with the control unit enables detection, through the adjusting device of an adjustment performed by the control unit.

Abstract: The invention concerns a bending machine comprising a machine frame, an upper bar equipped with a tool and a lower bar likewise equipped with a tool, the upper bar and the lower bar being mounted mutually mobile on the frame. The machine comprises at least one drive means for moving the tools of the lower and upper bars towards each other, so as to shape a plate-shaped part to be machined located between said tools. The invention aims at providing that the force exerted by the tools of the lower and upper bars should be the highest possible, at the least possible cost.

Abstract: In order to improve a sheet metal forming machine comprising a machine frame, a first roller tool mounted on the machine frame for rotation about a first roller axis, a second roller tool which is rotatable about a second roller axis, interacts with the first roller tool and is mounted for rotation in a feed bearing which, for its part, can be moved and fixed in position in relation to the machine frame transversely to the first roller axis by means of a feed drive so that a feed position of the second roller tool relative to the first roller tool can be adjusted and a roller drive for at least one of the roller axes, in such a manner that this can be operated as simply as possible it is suggested that the feed drive be designed as a feed drive which can be controlled as to its position by a control and by means of which the second roller tool can be moved into feed positions predeterminable in a defined manner, that the roller drive be designed as a controllable roller drive and that roller axis positions of

Abstract: In order to improve a bending machine for flat material, comprising a machine frame with lower and upper clamping tools arranged on the machine frame, with which the flat material can be fixed in a clamping plane, a bending tool moving device, with which a bending tool carrier with a bending tool for bending the flat material about a bending edge relative to the clamping plane can be moved into a plurality of bending positions, in such a manner that with a space-saving construction of the bending machine the movements of the bending tool can be realized technically with simple means it is suggested that the machine frame be designed to be laterally open at at least one of its transverse sides for the insertion of flat material in longitudinal direction of the bending edge and between the upper beam and the lower beam, that the bending tool be movable transversely to the clamping plane for passing through the bending positions and that the bending tool carrier remain exclusively on the side of the clamping pla

Abstract: A bending machine for flat material, comprising a lower beam and an upper beam, with which the flat material can be fixed, a lower as well as an upper bending tool moving device, with which the bending tool not used for an operation on the flat material can be brought into a rest position, in which a bending space free from machine elements of the bending machine exists between the clamping plane and the bending tool located in the rest position and its bending tool carrier, this space extending over an angular area of at least 100° around the respectively operative bending edge.

Abstract: In order to improve a bending machine for flat material, comprising a machine frame, a lower beam arranged on the machine frame and an upper beam arranged on the machine frame, with which the flat material can be fixed in position, a bending tool moving device, with which a bending tool can be moved, in such a manner that the movements of the bending tool can be realized technically with simple means and precise bending movements of the bending tool can be carried out it is suggested that the bending tool have a bending nose with a curved pressure surface for acting upon one side of the flat material and that the bending tool be movable by the bending tool moving device between a starting bending position and an end bending position on a path about the respective bending edge which is predetermined in a defined manner such that the curved pressure surface and the side of the flat material acted upon move relative to one another in the form of an essentially slide-free rolling on one another.

Abstract: In order to improve a folding machine for joining the edges of two sheet-metal parts forming an angle between them by means of a folding procedure, comprising a machine frame, a folding carriage movable on the machine frame by a drive in a guide means extending along a folding direction, this carriage having at least one pair of folding rollers for folding the edges of the sheet-metal parts, and holding devices arranged on the machine frame for fixing the sheet-metal parts in position during the folding procedure, such that large, in particular, long sheet-metal parts can be handled in a simple manner on this machine and are easy to insert into it, it is suggested that the guide means be movable in an essentially vertical direction, and that the folding machine have support surfaces arranged on a supporting plane extending at right angles to the folding direction, the sheet-metal parts being placeable on these support surfaces with edges which extend transversely to the edges resulting in the fold.

Abstract: In order to improve a processing machine for workpieces consisting of flat material, in particular, sheet-metal parts, comprising a work station which is designed as a bending station, in which the workpiece aligned parallel to a bending plane can be clamped by means of a lower beam and an upper beam for carrying out a bending operation and bent along a bending edge by means of a bending beam, as well as a manipulator device with a gripping means for holding the workpiece and a positioning device for the gripping means, with which this can be moved in the bending plane in a first direction transversely to the bending edge and rotated about an axis at right angles to the bending plane, such that other machining operations are possible with it in addition to one type of bending operation in order to finish a sheet-metal part at least with respect to its shaping it is suggested that the gripping means be movable with the positioning device in a second direction parallel to the bending plane and in a vertical dir

Abstract: In order to optimize a process for the machining of sheet-metal parts in a bending unit of a bending center, in which the sheet-metal parts are transported one after the other from a feed area to the bending unit for the purpose of bending and are thereby taken over by a first manipulator of a manipulator arrangement in a takeover position and then placed against a bending edge for carrying out at least one bending operation, it is suggested that after the last bending operation each finished sheet-metal part be moved away from a bending end position, that during the bending operation of each one of the sheet-metal parts the next respective sheet-metal part be supplied, proceeding from the feed area, to a takeover position arranged so as to be non-overlapping in relation to the bending end position and in this be positioned for gripping by the first manipulator and that the first manipulator begin to take over the next sheet-metal part in the takeover position during the period of time, during which the finis

Abstract: In order to improve a bending center comprising a bending unit, a loading device with a feed table for receiving a sheet-metal part to be inserted, and a manipulator arrangement, with which the sheet-metal part can be gripped, moved as well as rotated, in such a manner that handling of the sheet-metal part is as error-free as possible with loading times which are as short as possible it is suggested that the loading device have a sensor, with which the position of the sheet-metal part relative to a defined insertion position into the bending unit can be determined, and that the loading device have a control which controls the manipulator arrangement handling the sheet-metal part with respect to the movement in the first and second directions as well as the rotation about the axis of rotation on the basis of the position of the sheet-metal part determined by the sensor in such a manner that the manipulator arrangement inserts the sheet-metal part into the bending unit in the exactly defined insertion position.

Abstract: In order to improve a bending machine comprising a lower beam with a lower beam tool, an upper beam with an upper beam tool, wherein the upper beam tool and the lower beam tool are movable relative to one another for clamping a workpiece, as well as a bending beam pivotable about a pivot axis and having bending beam tool segments arranged on it, each of which has a pressure surface segment, wherein a bending beam pressure surface acting on the workpiece during bending can be made up of the pressure surface segments, such that it is possible to vary a width of the bending beam pressure surface in a simple manner it is suggested that at least one bending beam tool segment be designed to be adjustable and that the pressure surface segment of the adjustable bending beam tool segment be movable from an active position, in which it contributes to the pressure surface of the bending beam tool, into an inactive position, in which it is without effect during a bending operation.

Abstract: In order to improve a bending machine comprising a bending beam, a first and a second clamping beam for clamping a workpiece, one of which has clamping tool segments arranged so as to be interchangeable, wherein at least one clamping tool segment with a movable base has a base part mounted on an upper part and movable relative thereto from a clamping position into an insertion position and vice versa, in such a manner that such a clamping tool segment with a movable base can be handled more easily it is suggested that a drive means free from supply lines for the movement of the base part be arranged in the upper part of the clamping tool segment with a movable base, that the drive means have an energy-receiving element for supplying drive energy to an activating device arranged on the bending machine during contact with an energy input element.

Abstract: In order to improve a workpiece stop device for a machine tool, in particular, a sheet metal working machine, comprising a support frame, an adjustment carriage displaceable on the support frame in a stop direction and a stop element movable by the adjustment carriage, such that this is, from a constructional point of view, of as simple a design as possible and offers the possibility of making use of as large a stop area as possible it is suggested that the stop element have a stop arm which is provided with at least two stop surfaces arranged at a distance from one another in a stop direction, and that the stop element can be brought into a first position, in which a first stop surface arranged closest to the machine tool is in the active position, and can be brought into a second active position, in which a second stop surface is in the active position while the stop surfaces located on the machine tool side thereof are in the inactive position.

Abstract: A sheet metal bending device comprising a machine frame, a lower cheek, an upper cheek adjustable relative to the lower cheek, and a bending cheek which is pivotable about a pivot axis fixed on the machine frame and whose distance from the pivot axis is adjustable, comprises the following features: an eccentric member for adjusting the distance of the bending cheek from its pivot axis, and an immobilizing mechanism for immobilizing the eccentric member in a predetermined angular position, the distance of the bending cheek from its pivot axis being adjustable by pivoting the bending cheek while the eccentric member is immobilized.

Abstract: A swivel bending machine (10) for a metal sheet (4) in which a first driving unit (12) is adapted to move upper (2) and lower (1) jaws relative to each other to clamp the metal sheet (4) therebetween with a section (5) of the metal sheet protruding beyond the first and second jaws and in which a bending jaw (3) having two endfaces is mounted on the machine frame for rotation around a stationary swivel axis (S) is driven by a second driving unit to engage the protruding section (5) of the metal sheet (4) to bend the section (5) upon rotation of the metal sheet and wherein at each of the two endfaces of the bending jaw (3) a first supporting element in the form of a swing arm (14) for the bending jaw (3) is provided between said bending jaw (3) and the machine frame (11), said swing arm (14) being adapted to be swivelled about said swivel axis (S) of the bending jaw (3) by said second driving unit (13), a second supporting element (16) for the bending jaw (3) is mounted movably on said swing arm (14) and being