Abstract: A method of bending a conduit is disclosed. An engagement member is displaced via contact with the conduit and engages a switch. A signal is sent to a microprocessor indicative of a characteristic of the conduit to be bent, in response to engagement of the switch. The microprocessor provides a motor control signal to the motor to control a rotation of the shoe, wherein rotation of the shoe bends the conduit.

Abstract: Benders are disclosed relating to the convenient, accurate, and precise bending of tubing. Example benders include features such as a mandrel, adjustable mechanical stops, and scales having relatively high resolution along with significant distance from a central axis of the mandrel. Certain benders may include separate fine and course adjustments to bend angles and support mechanisms for controlling the bend plane angle.

Abstract: Devices and methods for bending or cutting implants are disclosed herein. In some embodiments, an instrument can convert a rotational input force (e.g., supplied by a powered driver tool) into movement of a first rod holder with respect to a second rod holder. Such movement can form a bend in a rod or other implant held by the first and second rod holders. Various mechanisms for converting this movement are disclosed, such as a worm drive mechanism and a conical gear mechanism, as are various types of rod holders, including orbiting rollers, lid-type rod holders, fixed and pivoting half-pipe rod holders, and full-pipe rod holders. In some embodiments, the instrument can also be used for cutting, for example by rotating a cutting wheel with respect to a cutting plate to cut a rod or other implant inserted through openings formed in the cutting wheel and the cutting plate.

Abstract: Tube processing systems for bending and notching a tube fed from a feed position. The tube processing system includes a notching system and a bending system. The notching system is configured to cut a notch in the tube. The bending system is disposed between the notching system and the feed position and is configured to bend the tube. The notching system includes a cutting head and a positioning system. The cutting head is configured to cut a notch in the tube. The positioning system movably supports the cutting head and is configured to move the cutting head relative to the tube to a selected cutting position. The bending system includes a bending die and a clamp. The bending die is rotationally driven to bend the tube. The clamp is configured to secure the tube to the bending die.

Abstract: Tube bending machines configured to bend a tube at a target bend location. The tube bending machines include a frame, a bending die assembly, and an alignment stem. The bending die assembly is supported on the frame and configured to bend the tube. The bending die assembly includes a bending die, a wheel frame, and a clamp. The wheel frame is coaxially mounted to the bending die. The clamp is configured to secure the tube to the wheel frame. The bending die, the wheel frame, and the clamp cooperate to define an actual bend location where the tube will be bent by the bending die assembly. The alignment system is operatively supported on the frame and configured to align the target bend location with the actual bend location.

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 portable, self-contained conduit bender having a housing configured to house a reductive gear set, thereby improving safety and extending the life of the conduit bender by limiting exposure of the reductive gear set to dust and debris. The conduit bender includes a motor configured to drive a driven shaft at a first rotational output, a reductive gear set operably coupling the driven shaft to an output shaft, the reductive gear set configured to reduce the first rotational output of the driven shaft to a second rotational output of the output shaft, a housing defining an interior cavity configured to house the reductive gear set, such that only a portion of the output shaft emerges from the interior cavity, and a bender shoe coupleable to the output shaft, the bender shoe defining an arcuate channel configured to receive conduit during bending operations.

Abstract: A control method for a winding wire manufacturing device that includes a base, a clamp, a bending top and a controller, includes a first process of detecting a bending torque applied to the bending top at the time of edgewise bending, a second process of determining whether or not a maximum value obtained by removing a torque value in starting the bending top from the bending torque is equal to or smaller than a predetermined value set in advance, and a third process of reducing a clamp load applied to a rectangular wire by the clamp when the maximum value of the bending torque is larger than the predetermined value.

Abstract: A method for bending a pipe by, while sandwiching one portion of the pipe by a gripping device, sandwiching the other portion of the pipe between a pair of bending rolls and by causing the other bending roll to relatively revolve about one bending roll out of the pair of bending rolls, wherein the bending rolls are held by a common movable frame body, the relative revolution is realized by synchronous movement in which rotating movement for rotating the frame body and lateral movement for moving the frame body in a direction (Y-axis direction) perpendicular to a longitudinal direction (X-axis direction) of the pipe are synchronized with each other, and the movement in the Y-axis direction of the frame body is performed such that a position in the Y-axis direction of a center axis of the one bending roll is held and a position in the X-axis direction of a rotating center point of the rotating movement remains same.

Abstract: Disclosed is a tube-propelling apparatus for a tube bending machine. The apparatus comprises a main tube-propelling base mounted on a slide rail mechanism of a tube bending machine tool, wherein a penetrating hole though which both a fixing sleeve and a core rod pass is provided on the main tube-propelling base, the rear end of the fixing sleeve is fixed in the penetrating hole, and the front end of the fixing sleeve is provided with a tube clamping apparatus. The propelling apparatus further comprises a surplus material auxiliary propelling base mounted on the slide rail mechanism of the tube bending machine tool, wherein the surplus material auxiliary propelling base is provided with a through-hole coaxial with the penetrating hole of the main tube-propelling base. An auxiliary pushing sleeve is mounted in the through-hole, and the core rod passes through the auxiliary pushing sleeve.

Abstract: A system for rod bending for use in robotic spinal surgery, enabling the correct bending of a fusion rod to match the shape required to accurately pass through the heads of the pedicle screws. The system uses data generated by information provided to the robot by the surgeon's preoperative plan, optionally augmented by feedback from the robot control system of deviations encountered intraoperatively. Such deviations could occur, for example, when the surgeon decides intraoperatively on a different trajectory or even to skip screws on one vertebra, in which case, the robot will be commanded to perform the alternative procedure, with commensurate instructions relayed to the control system of the rod-bending machine. The system is also able to thin down the rod at predetermined locations along its length, adapted to be at selected intervertebral locations, for maintaining limited flexibility between vertebrae, instead of fixating them.

Abstract: A portable, self-contained conduit bender having a housing configured to house a reductive gear set, thereby improving safety and extending the life of the conduit bender by limiting exposure of the reductive gear set to dust and debris. The conduit bender includes a motor configured to drive a driven shaft at a first rotational output, a reductive gear set operably coupling the driven shaft to an output shaft, the reductive gear set configured to reduce the first rotational output of the driven shaft to a second rotational output of the output shaft, a housing defining an interior cavity configured to house the reductive gear set, such that only a portion of the output shaft emerges from the interior cavity, and a bender shoe coupleable to the output shaft, the bender shoe defining an arcuate channel configured to receive conduit during bending operations.

Abstract: System and method for automatically bending a surgical rod are provided. The system includes a linear movement device configured to axially feed the surgical rod, a rotational movement device configured to rotate the surgical rod as it is axially fed, and a bending device including a roller to impose bending forces against the rod. The rod is free from contact with the bending device after it is axially fed past the roller.

Abstract: A power bender may be provided. The power bender may comprise a cart, a bender mechanism, and a scissor mechanism. The cart may have a zero turn radius. The bender mechanism may be configured to bend conduit. The scissor mechanism may be disposed between the cart and the bender mechanism. The scissor mechanism may be configured adjust a working height of the bender mechanism above the cart. The bender mechanism may be configured to rotate about a pivot point.

Abstract: A compact heat exchanger suitable for use in a forced air furnace for a recreational vehicle includes a multi-turn coil having linear segments interposed between bends. The coil is formed from a monolithic tube with portion of the tube being expanded to vary the diameter.

Abstract: A bender shoe may comprise a first bender shoe plate, a second bender shoe plate, and a third bender shoe plate. A first side of the first bender shoe plate may be adjacent to a first side of the second bender shoe plate and the third bender shoe plate may be adjacent to a second side of the second bender shoe plate. The bender shoe may further comprise a ratcheting gear in a ratcheting gear opening in a second side of the first bender shoe plate. The bender shoe may comprise a first channel and a second channel. The first channel may be formed by a first surface on the first bender shoe plate and a second surface on the second bender shoe plate. The second channel may be formed by a third surface on the second bender shoe plate and a fourth surface on the third bender shoe plate.

Abstract: The machine includes: a bending head movable with at least two degrees of freedom in a transverse vertical plane; a first drive is arranged to move the bending head in the plane and to move a tool of the bending head between an open position, in which it defines with a die of the bending head a free space adapted to receive a tube to be bent, and a closed position, in which it clamps the tube against the die. A tube-carrying structure is rotatable about an axis of rotation perpendicular to the plane; a second drive is arranged to cause the tube-carrying structure to rotate about its own axis of rotation; and an electronic control unit is arranged to control the first and second drives so as to move the bending head and the tube-carrying structure in a position such that the tube is received with a desired orientation in the free space between the die and the tool.

Abstract: An automated bender and its method of operation according to some embodiments of the disclosure is provided. The automated bender includes a carousel which has all of the necessary components for bending a variety of conduit sizes provided thereon. The carousel can be rotated to a desired bending position to bend a particular type of conduit. A straight workpiece is fed into the automated bender and a bent workpiece, which may have multiple bends therein, is output from the automated bender. This bending process is performed without manual intervention. Software for achieving same is provided.

Abstract: A pipe bender, including: a base; a frame including a position switching mechanism, a first position switching assembly, and a bending stand including a second position switching assembly; a calibration device; a feeding device; a cutting device; a feeding path arranged transversely; a bending device; a receiving device arranged longitudinally; and a controller. The calibration device includes two calibration mechanisms including separate processing paths to calibrate two kinds of pipes having different diameters. The feeding device includes two feeding channels for transporting the two kinds of pipes, and the first position switching assembly is used for aligning the two feeding channels with the feeding path in turn. The bending device includes two bending channels for bending the two kinds of pipes, and the second position switching assembly is used for aligning the two bending channels with the feeding path in turn.

Abstract: An apparatus for bending a hypodermic needle includes a bending die, a needle gripper configured to grasp the hypodermic needle, a servo-actuated slide operatively coupled to the needle gripper, and a servo- or pneumatically-actuated bending pin. The servo-actuated slide is configured to translate the needle gripper along a linear path adjacent to the bending die for positioning the hypodermic needle at a predetermined bending position with respect to the bending die. The bending pin is rotatable about a bending axis passing through the linear path. The bending pin is configured to press a portion of the hypodermic needle against the bending die as the bending pin rotates to form a bend in the hypodermic needle.

Abstract: A tube bending machine for bending a length of a tubular workpiece and an associated tube feeder assembly are disclosed. The tube feeder assembly has a carriage assembly slidably mounted along a rail. A clamp assembly is reversibly mounted to and carried by the carriage assembly. The clamp assembly is adapted to be releasably secured to the workpiece. The clamp assembly and carriage assembly are configurable to align the workpiece central axis along the rail, whereby sliding of the carriage assembly with the workpiece mounted in the clamp assembly carries the workpiece along the rail.

Abstract: A tube bender is provided. The rotatable member is pivoted to a pivot portion of a base and defines an inner space, and the rotatable member has a gear portion, a first arched groove and a holding portion. The gear portion archedly extends around the pivot portion. The first arched groove archedly extends around the pivot portion on an outer circumferential surface of the rotatable member, and the holding portion has a holding recess. The abutting assembly includes an abutting chunk assembled to the base and an arm member connected with the abutting chunk. A gear assembly includes a driving portion pivoted to the arm member and a gear connected and synchronously-movable with the driving portion. The gear engaged with the gear portion in the inner space.

Abstract: The machine for cambering, shaping, bending or curving a bar along a bending axis includes an arm, a bending shank supported by the arm, a bending head including a bending lug that is rotatable relative to the bending axis, and a feeding station for moving the bar along an axis of travel and across the bending shank. The bending head also includes: a first connecting rod supporting the bending lug and having a head, a second connecting rod having a head, the heads being coupled so as to rotate relative to a hinge axis perpendicular to the axis of travel, a first driver for translating a leg of the first connecting rod along an axis parallel to the axis of travel, and a second driver for translating a leg the second connecting rod along an axis parallel to the axis of travel.

Abstract: An object of the invention is to provide a compact and inexpensive pipe bending processing apparatus.

Abstract: A bending device includes a bending mechanism for holding an elongated workpiece between a bending die and a clamping die revolvable around the bending die, and revolving the clamping die, to thereby bend the workpiece. The bending device includes a fixing base on which the bending mechanism is mounted, and an articulated robot on which a chuck mechanism for holding the workpiece is mounted and which moves the chuck mechanism.

Abstract: The invention relates to a bending machine for the production of bent profile sections, in particular for exchanger tubes, including a frame on which an articulated arm is mounted consisting of a rotatably fixed arm capable moving along a transverse axis of movement, and a rotary arm supported by a rotary shaft and having a means for attaching a clamping jaw, a means for mounting either a freely rotating roller or a clamping shape rotatably secured about said rotary shaft on the rotary shaft of the articulated arm, driving rollers distributed in two series and positioned on either side of a bending axis, and a means for actuating said driving rollers for synchronously rotating the latter.

Abstract: Provided are a pipe bender which is capable of spiral pipe bending and a method for spiral pipe bending with radii of bend using the pipe bender. The pipe bender includes an XY sliding mechanism), which has a Y-axis movement means travelling back and forth and an X-axis movement means travelling from side to side; a turning table device for rotating a turning table provided on top thereof, the turning table device being placed on the XY sliding mechanism; a bender with a cylindrical shaft rotatably supported, the cylindrical shaft placed on the turning table and secured to a worm wheel; a center shaft passing through the hole of the cylindrical shaft and having a lower end secured to a bottom; and a bending roller provided on top of the cylindrical shaft rotatable about the center of a support roller and which is disposed adjacent to the support roller.

Abstract: The invention relates to a machine for bending a profile in two bending directions, that comprises a bending tool including at least two clamping forms (19) centered on the profile bending axis and having the shape of disks having planar junction surfaces (19a) extending in planes perpendicular to said bending axis, in which are formed two rectilinear grooves (20b, 21b) and a peripheral rebate (22b) extending between said grooves and profiled as a continuation thereof, the grooves and the rebate being adapted so that, in the joined position of the junction surfaces (19a) of two clamping foams, the joined grooves define two clamping ducts of a profile and the joined rebates define a profile-winding bearing surface extending between said clamping ducts.

Abstract: A pipe bending machine has a stiff-back which is driven by a pivoting wedge. A linkage applies force from the actuator to the wedge in a direction parallel to a longitudinal axis of the stiff-back. The stiff-back pivots on a first fulcrum and the wedge slides on a bed which pivots on a second fulcrum. The actuator drives the wedge between the stiff-back and the bed to rotate the stiff-back at the first fulcrum and bend the pipe seated in the stiff-back against the pipe bending face of a die. The conversion of the longitudinal force applied to the wedge into a transverse force applied to the stiff-back provides a significant mechanical advantage which varies directionally as the stiff-back rotates about its fulcrum to maintain a constant force on the stiff-back.

Abstract: A bending apparatus (1) is for bending a workpiece (object to be worked), using a bending die (2) formed in accordance with a bent form of the workpiece, and a linear die (3) linearly extended, and includes a table (10) having a work face (11a) where the bending die (2) and the linear die (3) are placed; and a pair of rollers (40, 50) configured to move along the work face (11a), wherein each of the rollers (40, 50) is configured to move from one end side of the bending die (2) and the linear die (3) to the other end side thereof in a state of pinching the bending die (2) and the linear die (3) in a die closing direction. According to this configuration, it is possible to configure the bending apparatus (1), to make a work space small, and to improve the work efficiency of the bending.

Abstract: A bending device that bends a workpiece is provided with a bending mechanism that bends the workpiece, a fixing table on which a chuck mechanism that grips the workpiece is mounted, an articulated robot to which the bending mechanism is attached, and a control unit that controls operations of the bending mechanism, the chuck mechanism, and the articulated robot. The control unit includes a first control unit that twists the bending mechanism around a longitudinal axis of the workpiece, and a second control unit that controls the articulated robot to twist the bending mechanism holding the workpiece around the longitudinal axis of the workpiece within a twisting angle range and then causes the first control unit to perform the twisting.

Abstract: A chuck mechanism that grips a workpiece is configured to be able to twist and rotate the gripped workpiece around a longitudinal axis of the workpiece. A control unit is provided with a first control unit and a second control unit. The first control unit drives an articulated robot to which a bending mechanism for bending the workpiece is attached, and twists the workpiece clamped by the bending mechanism around the longitudinal axis of the workpiece within a preset twisting angle range. When the angle of twisting by the first control unit exceeds the twisting angle range, the second control unit controls the chuck mechanism to twist the workpiece around the longitudinal axis of the workpiece.

Abstract: A method is provided for setting up a tube bender having a bend die, a clamp die, a pressure die and a wiper die. The method includes providing a test-piece having an outer surface defined by a length and a substantially round cross-section. The method also includes arranging the pressure die, the clamp die, and the wiper die relative to each other in the tube bender, and arranging the test-piece relative to the pressure die, the clamp die, and the wiper die. The method further includes applying a force by the tube bender to clamp the test-piece, and determining whether the applied force is within a predetermined range of forces. Additionally, the method includes adjusting the arrangement of at least one of the pressure die, the clamp die, and the wiper die to apply a force to the test-piece that is within the predetermined range of forces.

Abstract: A pipe bending machine has a stiff-back which is driven by a pivoting wedge. A linkage applies force from the actuator to the wedge in a direction parallel to a longitudinal axis of the stiff-back. The stiff-back pivots on a first fulcrum and the wedge slides on a bed which pivots on a second fulcrum. The actuator drives the wedge between the stiff-back and the bed to rotate the stiff-back at the first fulcrum and bend the pipe seated in the stiff-back against the pipe bending face of a die. The conversion of the longitudinal force applied to the wedge into a transverse force applied to the stiff-back provides a significant mechanical advantage which varies directionally as the stiff-back rotates about its fulcrum to maintain a constant force on the stiff-back.

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: The present invention provides a pressing device for bending, in which a pipe is held between a bending die having a shape corresponding to a shape of bending and a clamping die revolvable around the bending die, and, when the pipe is bent by revolving the clamping die around the bending die, an axial compression force is applied to the pipe. The pressing device for bending includes a movable table arranged movable in an axial direction of the pipe, a first cylinder provided to the movable table and able to press a rear end of the pipe, and a second cylinder provided to the movable table and able to press a fixed side in a direction opposite to a direction in which the first cylinder presses the pipe.

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: 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.

Abstract: A bending device includes a bending mechanism for holding an elongated workpiece between a bending die and a clamping die revolvable around the bending die, and revolving the clamping die, to thereby bend the workpiece. The bending device includes a fixing base on which the bending mechanism is mounted, and an articulated robot on which a chuck mechanism for holding the workpiece is mounted and which moves the chuck mechanism.

Abstract: The invention concerns a machine for cambering, forming, folding or bending a bar, a wire or an extruded shape. The invention includes a bending form provided with a clamping system, a device for orienting the tube, and a bending jaw (8). The bending jaw is prismatic and machined to the tube radius on at least one of its surfaces. The kinematics of the displacement of the bending jaw in a peripheral area at the bending form is provided by any combination of at least two, rectilinear or rotating, movements. The bending jaw is steerable in rotation about a median axis perpendicular to the bending plane. The bending jaw is mobile in the vertical direction to provide multiple bending operations.

Abstract: A manual and two pneumatic powered versions of bending apparatus with added indicator apparatus for indicating the bending arm angle, apparatus for rotating and locking the indicator apparatus at the rotated angle and stop means for stopping the bending arm at the rotated angle are provided. After a metal element is bent the bending force is removed, and the bend angle measured to determine if the required bend angle after spring back was obtained.

Abstract: This invention is a manually operated tube bending machine with a power drive mechanism that is adjustably set to a desired bend speed. The bending machine includes a bending die, a counter die and a rotating hook die to form a desired bend into a tube or pipe. The tube bender includes a drive wheel with ratchet teeth around its perimeter. A drive pin grips one of the ratchet teeth. The drive pin is secured to a lever and torque bar. During each bending stroke, the lever and torque bar incrementally rotate the drive wheel a desired amount. The rotation of the drive wheel and hook die draw the tube through the bending and counter dies to bend the tube. An anti-spring back mechanism holds the position of the drive wheel while the power drive mechanism is advanced to grip the next ratchet tooth of the drive wheel.

Abstract: A bending device has a bending mechanism for bending an elongate object to be processed by holding the object by both a bending die and a clamping die and revolving the clamping die which is able to revolve around the bending die. The bending device includes a fixing base on which the bending mechanism is mounted. A chuck mechanism for holding the object is provided in the bending device, and the bending device is provided with an articulated robot for moving the chuck mechanism.

Abstract: A pipe bending machine has a stiff-back which is driven by a pivoting wedge. A linkage applies force from the actuator to the wedge in a direction parallel to a longitudinal axis of the stiff-back. The stiff-back pivots on a first fulcrum and the wedge slides on a bed which pivots on a second fulcrum. The actuator drives the wedge between the stiff-back and the bed to rotate the stiff-back at the first fulcrum and bend the pipe seated in the stiff-back against the pipe bending face of a die. The conversion of the longitudinal force applied to the wedge into a transverse force applied to the stiff-back provides a significant mechanical advantage which varies directionally as the stiff-back rotates about its fulcrum to maintain a constant force on the stiff-back.

Abstract: A method is provided for setting up a tube bender having a bend die, a clamp die, a pressure die and a wiper die. The method includes providing a test-piece having an outer surface defined by a length and a substantially round cross-section. The method also includes arranging the pressure die, the clamp die, and the wiper die relative to each other in the tube bender, and arranging the test-piece relative to the pressure die, the clamp die, and the wiper die. The method further includes applying a force by the tube bender to clamp the test-piece, and determining whether the applied force is within a predetermined range of forces. Additionally, the method includes adjusting the arrangement of at least one of the pressure die, the clamp die, and the wiper die to apply a force to the test-piece that is within the predetermined range of forces.

Abstract: A bending device for a tubular member includes a bending tool which is rotatable about an axis. The bending tool includes a circumferential recess and is split transversely to the axis to form a first tool member and a second tool member. Extending tangentially to the recess and partly embracing the tubular member is a plate-shaped wiper die which has a receiving channel. A non-rotatable disc-shaped support tab is securely fixed to the wiper die and projects between the first and second tool members. The support tab has a circumferential cradle which is configured to match a contour of the tubular member and to merge into the receiving channel of the wiper die in a tangential and smooth manner. An outer clamping jaw is jointly pivotable with the bending tool, and a trough-shaped resistance member is placed in opposition to the wiper die and movable longitudinally along the receiving channel.

Abstract: A bending apparatus for long workpieces, especially tubes, to form a curved section extending between two bend end points (A, B) on the tube wherein the curved section is located about a center bend point X, distanced from a reference position (P) by a predetermined distance (L) extending along a tube, wherein the bending apparatus includes a bending segment rotatable about a pivotal axis so that the tube is positioned on a semicircular scale with a starting zero point of 0° to mark the start of the curved section at one of the bend end points (A, B), which point is designated as a bending-start point, characterized, in that the apparatus has a bend length-selector having at least one measurement edge the measurement edge aligning with the center bend point (X) to automatically place the tube at the bending-start point and at the 0° mark of the bending segment upon the placement of the tube in the bending apparatus.

Abstract: In order to achieve a bending operation which provides a U-shaped metal piece of increased depth and to provide a bending operation safe to an operator involved in the bending operation, the invention is a lower die for press bending which includes: a block body which includes a groove on an upper surface thereof, the groove extending in a right and left direction, and the block body being fixed to a bending machine; and a rotating block which is received by the groove of the block body and is capable of oscillating about an axis of the groove, wherein a process groove is formed on an upper surface of the rotating block to receive a blade edge of an upper die. The block body includes a front shoulder and a rear shoulder at the front and rear sides of the groove. A level difference is defined between these shoulders such that the front shoulder is smaller in height than the rear shoulder.

Abstract: The invention relates to a machine for bending a profile in two bending directions, that comprises a bending tool including at least two clamping forms (19) centred on the profile bending axis and having the shape of disks having planar junction surfaces (19a) extending in planes perpendicular to said bending axis, in which are formed two rectilinear grooves (20b, 21b) and a peripheral rebate (22b) extending between said grooves and profiled as a continuation thereof, the grooves and the rebate being adapted so that, in the joined position of the junction surfaces (19a) of two clamping foams, the joined grooves define two clamping ducts of a profile and the joined rebates define a profile-winding bearing surface extending between said clamping ducts.

Abstract: A disclosed device and method are useful for monitoring a tube bending process. An example sensor detects a force associated with moving a mandrel in tubing during at least a portion of a tube bending process. The detected force is used to determine a quality of the tube bending process. For example, a detected pulling force provides an indication of whether a bent portion of a tube is within an acceptable range of a desired configuration. The detected pulling force is also useful to provide an indication of whether a condition of a mandrel or a machine used during the process is as expected.