Abstract: A method produces straight or bent shaped parts from insulated flat material, and a wire processing machine suitable for carrying out the method has a stripping device for stripping portions of the insulated flat material.

Abstract: A device that feeds an elongated workpiece to a forming machine includes a reeling unit with a frame and a reel carried by the frame and accommodates a workpiece supply formed as a coil of workpiece material. The reel is mounted rotatably about a reel axis relative to the frame. The device has a weight-distribution sensing device set up to sense a lateral distribution of a reel weight with respect to the reel axis, the reel weight representing a weight of the reel with or without an accommodated coil.

Abstract: The invention relates to a bending device (2) for bending a rod-like or tubular workpiece (4), comprising a bending machine (6), which has a bending head (8), which is designed for bending the workpiece (4) in a forming process, and a control means (24), which controls the operation of the bending machine (6), a robot (10), which comprises a multi-joint arm (11) which can be adjusted by motors, having a gripper end (12), which is designed for gripping and holding the workpiece (4), and a control unit (22), which is designed to control the operation of the robot (10), wherein the control means (24) is designed to control the bending machine (6) and the robot (10) during the bending process.

Abstract: A bending machine for elongated workpieces, comprising a bending tool with a bending head having a bending disc with a bending groove and two slide rails, each having a molding groove and which can be placed laterally against opposing sides of the workpiece. Each slide rail is secured to a support part and laterally supports the workpiece from where the workpiece is fed into the bending groove to a point in front of the bending groove when the slide rail is resting against the workpiece. Each support part is adjustable between a starting position, in which the slide rail does not rest against the workpiece, and a final position, in which the slide rail contacts the workpiece. Upon contacting the workpiece, the other slide rail assumes its starting position. The support parts are attached to a two-arm lever, and a slide piece rests against the workpiece in each lever position.

Abstract: A method produces a bent part from an elongate workpiece, in particular from a wire or a tube from round, flat, or profiled material, by a bending machine, the workpiece is fed to a bending unit of the bending machine, wherein the bending unit has a bending head which by a Z-drive is displaceable in a manner parallel with a bending head axis and has a bending tool which by a bending drive is rotatable about a bending axis. A fed portion of the workpiece by operating movements of the bending head is formed to a two-dimensionally or three-dimensionally bent part.

Abstract: The invention relates to a bending device (2) for bending a rod-like or tubular workpiece (4), comprising a bending machine (6), which has a bending head (8), which is designed for bending the workpiece (4) in a forming process, and a control means (24), which controls the operation of the bending machine (6), a robot (10), which comprises a multi-joint arm (11) which can be adjusted by motors, having a gripper end (12), which is designed for gripping and holding the workpiece (4), and a control unit (22), which is designed to control the operation of the robot (10), wherein the control means (24) is designed to control the bending machine (6) and the robot (10) during the bending process.

Abstract: An apparatus for feeding wire to wire-processing machines, in which the wire is drawn off from a pay-off reel holding a wire coil and rotatable about a spindle and fed to a wire feeder upstream of the wire-processing machine, wherein at least one wire-deflecting device, via which the wire drawn off from the pay-off reel is guided and released towards the wire feeder, is connected downstream of the pay-off reel in the wire draw-off direction, and wherein a wire-storage device is provided upstream of the wire feeder, this apparatus presents a guide path, forming a closed circuit, on which the wire runs and the diameter of which can be altered between a smaller value corresponding to an inner radial position of the guide path and a larger value corresponding to an outer radial position of the guide path, wherein the guide path is spring-pretensioned towards the outer radial position.

Abstract: In a bending head for bending rod-shaped and tubular workpieces, with a retainer that can be rotated about a rotational axis and that carries a bending mandrel at one axial end, and with at least two further tools, which each comprise a retaining body with, at its axial end facing the bending mandrel, a bending pin and which can each be rotated—in each case independently of the other tools—the retaining bodies of the tools are arranged concentrically to the retainer of the bending mandrel and pivotable about its rotational axis.

Abstract: A bending device for rod-shaped workpieces having a bending head with a mandrel rotatable about a rotation axis, a cutting device for cutting the respective workpiece in a cutting plane, and a feed and straightening device for feeding the workpieces to the bending head, the cutting device capable of being moved along a travel path in the feed direction of the workpieces, with the bending head capable of being shifted between an operating position in which it is moved towards the workpiece and an inactive end position remote therefrom, the bending head, in order to assume its operating position, can be moved into the travel path of the cutting device, whereas, when assuming its inactive end position, it is positioned outside the travel path of the cutting device, and, when the bending head is situated in its inactive end position, the cutting device can be moved downstream on its travel path at least partly over the area of the operating position of the bending head.

Abstract: A device for producing a loop at the end of a coil spring has a gripping unit with gripper jaws for retaining the spring in a processing position. The gripping unit is movable to and from the processing position and at least one section of an end turn of the spring protrudes over the gripper jaws. A first slewing gear unit has an output shaft and a coupling section for detachable coupling of a tool for the forming of a loop on the spring through upward bending of the end turn section protruding over the gripper jaws. A counter block attached laterally to the travel direction of the gripping unit is movable over the section of the end turn of the spring protruding over the gripper jaws and has a bending edge as a bending form for producing a loop with the tool.

Abstract: A wire processing machine having a cutting system, including a knife holder which carries a knife cooperating during a cut with a stationary counter-blade tool and is connected for performing a reciprocating motion by connection to an eccentric pin or a cam disk of a crankshaft driven by an electric motor, the knife holder sliding in a guide during its reciprocating movement, the guide arranged in a stationary manner or pivoting freely about an axis parallel to the rotational axis of the crankshaft in the case of a rigid connection, the crankshaft being driven directly by an asynchronous motor to which a gyrating mass is connected whose kinetic energy is released as a cutting force upon impingement of the knife on the wire, with the asynchronous motor performing precisely one rotation per cutting cycle and being accelerated up to the start of the cut and braked after the cut.

Abstract: In a bending head for bending rod-shaped and tubular workpieces, with a retainer that can be rotated about a rotational axis and that carries a bending mandrel at one axial end, and with at least two further tools, which each comprise a retaining body with, at its axial end facing the bending mandrel, a bending pin and which can each be rotated—in each case independently of the other tools—the retaining bodies of the tools are arranged concentrically to the retainer of the bending mandrel and pivotable about its rotational axis.

Abstract: In a bending apparatus for rod-shaped workpieces, comprising a machine frame to which a bending head with bending tools is attached, which bending head is movable relative to the frame, further a feed device upstream of the bending head for feeding the workpieces to the same, and a cutting device which can be displaced in the direction of feed of the workpieces and can be applied between bending head and feed device to the respective workpiece for cutting the same, the feed device can also be displaced in the direction of feed of the workpiece in addition to the cutting device, which occurs independent of the displacement of the cutting device.

Abstract: An apparatus for feeding wire to wire-processing machines, in which the wire is drawn off from a pay-off reel holding a wire coil and rotatable about a spindle and fed to a wire feeder upstream of the wire-processing machine, wherein at least one wire-deflecting device, via which the wire drawn off from the pay-off reel is guided and released towards the wire feeder, is connected downstream of the pay-off reel in the wire draw-off direction, and wherein a wire-storage device is provided upstream of the wire feeder, this apparatus presents a guide path, forming a closed circuit, on which the wire runs and the diameter of which can be altered between a smaller value corresponding to an inner radial position of the guide path and a larger value corresponding to an outer radial position of the guide path, wherein the guide path is spring-pretensioned towards the outer radial position.

Abstract: A linear guide comprising at least two stationarily supported guide bars, on which a guide block is mounted and which is longitudinally displaceable relative to the guide bars. The guide block is provided with a driving unit to generate a relative movement with respect to the guide bars, the driving unit comprising a pinion which meshes with the teeth of a toothed rack extending in parallel with the guide bars. The toothed rack is mounted only at its front and rear ends and is suspended in-between. A guiding element assigned to the pinion is mounted to the guide block so as to be displaceable in the longitudinal direction of the toothed rack on which it is supported in a form-locking manner. The guiding element engages over the toothed rack at the region opposite the mesh between the pinion and the teeth.

Abstract: A rotary-draw bending die with eccentric clamping for bending elongate workpieces such as pipes, wires, profile strands, etc. The die having a twistable bending mandrel, and an associated clamp die. The clamp die can be moved relative to the bending mandrel and brought from an opened position remote from the bending mandrel. A workpiece to be bent can be inserted between the bending mandrel and clamp die to a clamping position on the bending mandrel or vice-versa and is freely twistable about a swivel axis which is offset eccentrically in relation to the rotational axis of the bending mandrel. The swivel axis is disposed on a rotary plate which is rotatable relative to the bending mandrel. The clamp die is freely twistable about the swivel axis and can be moved between its clamping position and its opened position by twisting the rotary plate relative to the bending mandrel.

Abstract: With a device for controlling the drive of a reel, with a wire supply in the form of a coil of said wire supply, from which the wire, through interposition of a tensioning device, which is spring-pretensioned in one deflection direction and effective up to a maximum deflection, for approximated stabilization of the wire tension of a feed installation of the wire infeed of a downstream positioned wire processing machine, the velocity curve of the feed rate of the wire infeed in accordance with a preset velocity-time profile is controlled by a control unit of the wire processing machine, and whereby the curve of the rotation speed of the reel in accordance with a preset rotation speed-time profile is controlled by the drive control of the reel, whereby the drive control of the reel sets the rotation speed-time profile of the reel, with regard to the velocity-time profile of the feed rate, forward by a preset time interval.

Abstract: A support jaw arrangement for sliding lateral support of rod-shaped and tubular workpieces prior to their entrance into a forming groove of a bending head of a bending machine. The support jaw arrangement includes two support jaws, one on each side of the workpiece. Each support jaw is fastened on a holder to a support bracket which, guided in a longitudinally displaceable manner on a guide block, is displaceable by a drive device from an initial position retracted against the direction of transport of the workpiece parallel to the same, to an end position extended in the direction of transport of the workpiece. One support jaw supports the workpiece in a laterally sliding manner in a region from its tangential entrance into the forming groove, up to a point at a predetermined distance in front of the same while the other support jaw assumes a retracted initial position.

Abstract: A bending device for rod-shaped workpieces having a bending head with a mandrel rotatable about a rotation axis, a cutting device for cutting the respective workpiece in a cutting plane, and a feed and straightening device for feeding the workpieces to the bending head, the cutting device capable of being moved along a travel path in the feed direction of the workpieces, with the bending head capable of being shifted between an operating position in which it is moved towards the workpiece and an inactive end position remote therefrom, the bending head, in order to assume its operating position, can be moved into the travel path of the cutting device, whereas, when assuming its inactive end position, it is positioned outside the travel path of the cutting device, and, when the bending head is situated in its inactive end position, the cutting device can be moved downstream on its travel path at least partly over the area of the operating position of the bending head.

Abstract: In an arrangement for bending tubular workpieces, in which a workpiece is supplied to a bending head for bending and is supported from the inside during the bending process in the bending region by means of a mandrel introduced into the workpiece, with the mandrel comprising a mandrel element and a traveler, sitting movably in the workpiece and the traveler being longitudinally displaceable in the workpiece by means of a feed device (14), the traveler is produced from a magnetizable material and the feed device comprises a magnetic device which is applied to a position corresponding to the position of the traveler outside of the workpiece, with a positive magnetic engagement being formed between the magnetic device and the traveler, with the traveler being displaceable in the workpiece via the magnetic device.