Abstract: A pipe enlarging device includes a base, an operation unit and a clamping unit. The clamping unit is received in the base, and includes movable front and rear clamps and a front threaded rod. The front and rear clamps are resiliently movable when the front threaded rod is rotated so as to form an adjustable clamping area between the front and rear clamps. The clamping area is used to clamp pipes of different sizes. The operation unit includes a top threaded rod with a cone-shaped member which is used to enlarge the inner diameter of the pipes.

Abstract: A machine tool provided with a tool spindle and a work table for supporting a workpiece for plastic forming on a workpiece with a tool attached to the tool spindle. The partially curved tool is has a moving mechanism to move the tool spindle relative to the workpiece, a spindle rotating motor to turn the tool spindle relative to the workpiece, a movement control unit to control the moving mechanism to move the tool along the workpiece while pressing a curved portion on the surface to be machined, and a turn control unit to control the spindle rotating motor to orient a normal line of the curved portion toward the surface of the workpiece at a reference position taken as a reference.

Abstract: The current invention provides a tube-grasping body for grasping an insert tube in a heat exchanger, and heat exchanger production methods and apparatuses utilizing the tube-grasping body, wherein the tube-grasping body enables to enlarge and connect an insert tube to a heat radiating fin for producing a heat exchanger, still keeping the total length of insert tubes at an almost same level even after the enlargement; and the tube-grasping body is connected at its exterior to the guide-pipe.

Abstract: Provided is a swaging apparatus for smoothly swaging a can of a rechargeable battery by absorbing excessive load above a predetermined level between a rod of a driving part and a collet of a driven part. A swaging apparatus according to an exemplary embodiment includes a collet housing for swaging a can including an electrode assembly, a collet for swaging an opening of the can inserted in the collet housing, a shock-absorbing part disposed in the collet housing and connected to the collet, and a rod connected to the shock-absorbing part to transmit a swaging load to the collet through the shock-absorbing part.

Abstract: A lead pin correction device includes a holding unit holding an electronic device having lead pins; a pressing unit pressing the electronic device held by the holding unit in an extending direction of the lead pins; and a correction fixture including holes having a shape corresponding to a shape of the lead pins after correction. Further, the shape of the lead pins is corrected so as to fit the shape of the holes by inserting the lead pins into the holes by pressing the electronic device with the pressing unit while distal ends of the lead pins are inserted into the holes, the electronic device being held by the holding unit.

Abstract: A compression tool for compressing and flattening one or both ends of a length of corrugated tubing commonly used for making solar installations. A threaded force-transmitting driver is located within a threaded bore of a force-transmission cylinder. A clamp is disposed in surrounding engagement with the corrugated tubing. Tube retaining lips of the clamp are received between an adjacent pair of corrugatings to hold one end of the corrugated tubing in stationary axial alignment with the force-transmitting driver. A rotational force applied to the threaded force-transmitting driver causes the driver to rotate and move through the threaded bore of the force-transmission cylinder. A compression head at the front of the driver is correspondingly moved towards and into contact with the end of the tubing to compress and flatten the end to prevent a nut from sliding off the tubing.

Abstract: Tubing reaming apparatus comprises a housing adapted to be mounted to tubing to be reamed. The housing provides mounting for a reamer shaft adapted to mount a cutter within the tubing. The housing also provides mounting for a drive arrangement. A gear arrangement is provided between the drive arrangement and the reamer shaft. The housing may comprise a clamping arrangement adapted to reduce residual bend and ovality of the tubing.

Abstract: A method of incrementally forming a workpiece. The method includes determining a desired workpiece geometry, generating a tool path in which a feature is formed outwardly from a point that is disposed a maximum distance from a reference position, and incrementally forming the workpiece.

Abstract: A closing machine (1) for closing an open end of a work piece (9) by pressing a die (4) against the work piece (9) rotating about an axial center comprises a chuck spindle (20) that drives the work piece (9) to rotate, a chuck sliding support mechanism (62) that supports the work piece (9) so that the work piece (9) can move in a rotary axis direction relative to the chuck spindle (20), and a thrust stopper (6) that causes an end portion of the work piece (9), which is moved by a load applied from the die (4), to abut against the thrust stopper (6) such that the work piece (9) is supported in a predetermined closing position.

Abstract: A process and apparatus to make an edge or a collar featuring a complex structure on extruded, deep-drawn and deep-drawn/wire-drawn metal rough pieces with which bottles for the beverage and food sector or for technical use are particularly obtained, suitable for the application of a closing cap and fit to use on a tapering machine. The process includes a starting operating stage to deform an upper end portion of a metal holder by turning it outwardly so as to obtain an edge or a collar with a basically circular section, one or more intermediate operating stages to deform the edge or collar by squeezing in the radial direction and stretching towards the bottom of the metal holder, a final operating deformation stage to obtain an edge or collar with a complex ovoidal profile for the application of at least two caps of different types.

Abstract: The invention relates to a device for correcting a profile bevel error, in particular the tooth alignment error of the gear (V) of a workpiece (W), wherein said device (1) comprises a clamping device (3) for the workpiece (W), a tool (4) and at least one advancing device (7, 7?) generating the relative movement between the workpiece (W) and the tool (4). The inventive device is characterized in that it comprises a guide device (10, 10?) for the tool (4) and/or for the clamping device (3) which enables to carry out the rotating movement of the tool (4) and/or clamping device around the workpiece (W) axis (X) extending in an advance direction, wherein said rotating movement acts as a compensating movement.

Abstract: An apparatus for applying labels to products includes a label application station at which the labels are applied to a product and an application head movably mounted relative to a base for movement between a first operative loading position spaced from the label application station and a second operative application position at which the application head applies at least one label to a product positioned at the label application station. An electrically actuated solenoid is operatively connected to the application head to move the application head between the first and second operative positions.

Abstract: The invention relates to a method and a forming machine suitable for manufacturing a product having various diameters from a workpiece, such as a metal cylinder or plate, in which the workpiece is clamped down in a clamping device, the workpiece and a first tool are rotated about an axis of rotation relative to each other, the workpiece is deformed by means of said first tool by placing the tool into contact with the workpiece and moving the workpiece and/or the tool in a direction along the axis of rotation. At least a second tool is placed into contact with the workpiece at a position behind the first tool, seen in the working direction, and the workpiece is also deformed by means of said second tool. Thus, parts of the workpiece that have been deformed by the first tool are deformed by one or more subsequent tools practically immediately.

Abstract: A press-molding device (80) press molds a bottom portion of a work piece (9) having a closed-end shape between an, inner die (521) inserted into the work piece (9) and an outer die (551) disposed on an outside of the work piece (9). A chuck position switching mechanism (501) grips the work piece (9) so that the work piece (9) can move in an axial direction. An inner die moving mechanism (522) inserts the inner die (521) into the inside end of the work piece (9). A stopper mechanism (531) supports the inner die (521) in a processing position by restricting movement of the inner die (521). An outer die moving mechanism (552) press-molds the bottom portion of the work piece (9) between the outer die (551) and the inner die (521), thereby press-molding the workpiece (9) smoothly without damaging an inner peripheral surface of the workpiece (9).

Abstract: A system is configured for forming a flange at an end of a tube. The system includes a collar configured to receive the tube. A first roller engages the collar and a second roller is configured to cooperate with the first roller to rotate the collar and the tube. A rotatable cam is disposed about the second roller and includes a cam surface configured to bend the end of the tube to thereby form the flange. The collar may be configured to restrict axial movement of the tube relative to the collar. Additionally or alternatively, the collar may be configured to restrict rotational movement of the tube relative to the collar.

Abstract: An apparatus for forming a workpiece to a desired, non-planar configuration are provided. At least one friction stir forming tool, having a shoulder and a pin, is used to urge the workpiece to the desired configuration and friction stir form the workpiece. The forming tool can urge the workpiece against a contour surface of a die or a shoulder that is opposite the structural member from the tool. Thus, the forming tool plasticizes a portion of the workpiece and urges the workpiece to the desired configuration. In addition, the material properties of the workpiece can be improved by the friction stir processing.

Abstract: A plurality of intermediate cross sections and center points thereof are provided for a plurality of target processed portions from an unprocessed portion of a workpiece up to a final target processed portion. By adjusting a relative position between each intermediate cross section of the workpiece W and rollers 11, 12 revolving around the workpiece between neighboring intermediate cross sections, adjusting a revolution diameter of the roller and an angle of its revolution plane, mating the center point, diameter and inclined angle of the revolution plane inside of a revolving locus of the roller, with the center point, diameter and inclined angle of each intermediate cross section of the workpiece, and driving the roller and workpiece relatively to each other, with a part of outer peripheral surface of the roller being always in contact with an outer peripheral surface of the workpiece, a spinning process is performed to change the diameter of the portion to be processed of the workpiece.

Abstract: A method and device are disclosed for producing tubes that are at least partially profiled on their interior and preferably on their exterior from a hollow cylindrical blank (3), using a mechanical cold forming method, wherein the end of the blank (3) that is not to be machined (3?) is fed to a clamping device (10). The blank (3) is then secured in the clamping device (10) and a mandrel (2) is subsequently inserted into the end of region (3) of the blank (3) that is to be machined. A lance (8) is guided in the mandrel so that it can be coaxially displaced in a longitudinal direction and the free end of the lance (8?) can be introduced into the clamping device (10). The tip (8?) of the lance (8) is then brought into a positive fit with the clamping device (10) in the axial direction of the blank (3) and the mandrel (2), together with the clamping device (10) and the blank (3) is guided axially through a fixed machining point (6).

Abstract: In a closing machine (1), an inner diameter chuck (8) that grips an inner peripheral surface of a work piece (9), a work piece (9) introducing device that moves the inner diameter chuck (8) in a Y axis direction of the work piece (9), and an introduction stopper (12) that projects onto an introduction path of the work piece (9) are used in such a manner that the inner diameter chuck (8) grips the inner peripheral surface of the work piece (9) while the work piece (9) abuts against the introduction stopper (12), the introduction stopper (12) is removed from the introduction path of the work piece (9), and the work piece (9) is introduced into an outer diameter chuck (7) by moving the inner diameter chuck (8) in the Y axis direction of the work piece (9).

Abstract: A method for configuration of an outwardly curled portion formed on an opening portion of a metal can, in which both inner and outer faces of a metal sheet forming at least around the opening portion are covered with a resin film, in which the curled portion formed above an inclined face by curling an upper end of a trim end portion so as to confine it inside of the curled portion, as being squeezed in the can radius direction so as to contact a lower end thereof with the inclined face, and in which the metal sheet layers are folded in the can radius direction via the resin films except around both upper and lower ends of the curled portion. Accordingly, the trim end portion of in the curled portion can be prevented from getting rusty, and deterioration in the appearance of the curled portion can be avoided. Moreover, the strength of the curled portion is enhanced so that the resistance against the deformation is improved.

Abstract: A method of manufacturing a one-piece flexible tube connector includes obtaining a tube blank having an initial length, an initial outer diameter, and an initial wall thickness. The tube blank is secured in a fixture and fed longitudinally into a forming tool. During the forming process, one of the tube blank and the forming tool is spun increasing an initial wall thickness of a portion of the tube blank to a second wall thickness, while the initial outer diameter of the tube blank is controlled. The thickened portion of the tube blank extends along a second length of the tube blank that is less than the initial length. After the spinning process, an attachment feature, such as a barbed feature, is formed or machined into the thickened portion of the tube blank to produce the one-piece flexible tube connector.

Abstract: A device (10) for selective and progressive locking of metal containers (18) to be submitted to mechanical deformations along an extended part of side surface and provided at the bottom by a notch (20), the device having: a circular plan support (12) with an end forming a housing mouthpiece (14) of a containing body (16); a shaped and mobile ring (22) eventually cooperating with an annular seal or membrane (24) placed at the mouthpiece wherein the containers (18) are inserted starting from their respective bottom.

Abstract: A method and apparatus to cold form rings or a lead battery terminal with undercuts or overhangs to improve the sealing properties of the rings. The apparatus can be one of a segmented die device and a die device wherein one die member moves relative to the other die member. In either apparatus at least one ring on the battery terminal is transferred from having a first shape into a second different shape with an overhang.

Abstract: A method of spinning multiple parts comprising attaching two blanks to an intermediate mandrel, loading the intermediate mandrel and blanks into the spinning machine by clamping the intermediate mandrel and the blanks between the spinning machine tailstock and the headstock, moving rollers simultaneously radially inward and outward to execute metal forming on each blank to form a part from each blank, ejecting the intermediate mandrel, and ejecting each part substantially simultaneously from the intermediate mandrel.

Abstract: A method and apparatus for imprinting text on items such as tools. The imprinting process involving employing a roll forging assembly including a large-sized roller plate and a multi-angle vise.

Abstract: A method and a device for straightening out irregularities in a flange by pressing a roller against a first side of the flange while supporting an opposite side thereof to preserve the angle between the flange and the part when undergoing compression loading by way of the roller.

Abstract: A method of manufacturing a one-piece flexible tube connector includes obtaining a tube blank having an initial length, an initial outer diameter, and an initial wall thickness. The tube blank is secured in a fixture and fed longitudinally into a forming tool. During the forming process, one of the tube blank and the forming tool is spun increasing an initial wall thickness of a portion of the tube blank to a second wall thickness, while the initial outer diameter of the tube blank is controlled. The thickened portion of the tube blank extends along a second length of the tube blank that is less than the initial length. After the spinning process, an attachment feature, such as a barbed feature, is formed or machined into the thickened portion of the tube blank to produce the one-piece flexible tube connector.

Abstract: A method is described for producing a gearwheel from a powder-metal blank which is pressed and sintered with an allowance in the toothing region, with the powder metal blank supported on a mandrel being densified in the region of the allowance by pressing on counter-toothing of a circular pusher tool engaging in the toothing of the powder metal blank under plastic deformation by the allowance. In order to ensure precise production it is proposed that during its densification the powder metal blank is radially clamped on both face sides over the circumference.

Abstract: The present invention provides method of fabricating components having internal teeth and rolling machine thereof, enabling large deformation at main rolling step omitting broaching step and step using gear shaper. A container having toughness against internal pressure as high as that of cold forging is provided instead of gripping mechanism of a cylindrical material. A cylindrical material is inserted into the rotatably driven container in aligned manner. A rotatably driving rolling tool is acted on the inner side to press the cylindrical material and distance between tool rotational shaft and container rotational axis is sequentially changed to successively grow tooth profile. A component having internal teeth filling the container is obtained by enlarging outer diameter by spreading. It is desirable to provide in advance the same number of concave grooves as that of internal teeth to be formed, at equal intervals on an inner circumferential face of the cylindrical material.

Abstract: Apparatus for both forming and coping the end of a tube. The tube is gripped such that it is aligned with a movable first tool assembly that is positioned, in a first operation, adjacent said tube end. The tool assembly is then controlled in a manner such that the tube end is formed. Thereafter, the first tool assembly is removed and replaced with a second tool assembly which is controlled in a manner such that the formed tube end is then coped. The movable tool assembly is rotatable about its axis to a predetermined plane.

Abstract: A spiral pipe has an integrated radial flange. A machine for forming such a flange comprises a rotor which rotates and a flange roller mechanism connected to the rotor via slides. As the rotor rotates, the flange roller mechanism moves radially via the slides to form an integrated flange on an end portion of the spiral pipe.

Abstract: The invention relates to a method and a forming apparatus for deforming a hollow workpiece having at least one open end, wherein the workpiece is clamped down in a clamping device, a first forming tool is placed into contact with the outer surface of the workpiece, said workpiece and said tool are rotated about an axis of rotation relative to each other and said workpiece is deformed by means of said first tool. A second forming tool is placed into the cavity defined by the workpiece and into contact with the inner surface of the hollow workpiece, after which the workpiece is deformed by means of said second tool.

Abstract: An aspect of the present invention relates to a method and a forming machine for working a workpiece, for example by deforming it or fixing it in another workpiece, in which the workpiece is fitted over a mandrel, at least a part of the mandrel is expanded so as to fix the workpiece, the workpiece and at least one tool, such as a forming roller, are rotated about an axis relative to each other and the workpiece is worked by means of said tool. The mandrel includes a stop adapted to engage the workpiece to obtain a desired axial position on the mandrel.

Abstract: The present invention pertains to a combined machining equipment for steel tubes, and a machining method is of a small size, can easily be moved, and is capable of not only flaring a steel tube, but also grinding a flared surface, forming a groove, and peeling off a lining. A main shaft (121) is rotatably mounted on a slide frame (141) slidable with respect to a common mount (103), and a second machining head (124) is mounted on a flange on the distal end of the main shaft (121). An auxiliary shaft (131) is slidably disposed in the main shaft (121) for rotation therewith. A first machining head (134) is mounted on a mount base (132) on the distal end of the auxiliary shaft (131).

Abstract: In the production of an internal contour with an internal arbor acting on the inner wall of a cup-shaped or annular rotationally symmetrical workpiece, expansion and length change of the workpiece are avoided during cold forming. Thus, gear components with internal teeth are produced that have greater symmetry and higher accuracy. A workpiece provided with a press fit on the outside or a prefabricated workpiece is inserted into the die, and during the cold forming is pressed tightly by friction and rotationally fixed with the rotationally driven internal arbor against the inner wall of the die. After completion of the rolling process of the profile, the workpiece is ejected with an axial ram. The internal arbor is provided with outside profiling and is cantilever-mounted and is fed axially and radially during the rolling.

Abstract: Apparatus for and a method of expanding tubulars, and particularly tubulars or a string of tubulars that have one or more per orated portions and one or more non-perforated portions. In one embodiment, the apparatus (150) includes an inflatable element (e.g. a packer 152) that has a shaft (156) rotatably coupled thereto so that the shaft (156) can rotate relative to the inflatable element (152). An expansion cone (158) is threadedly engaged with a threaded portion (156t) of the shaft (156) so that it moves along the threaded portion (156t) upon rotation of the shaft (156) relative to the cone (158).

Abstract: The invention relates to a forming machine at least provided with a clamping device for clamping a hollow workpiece having at least one open end and a first forming tool which can be placed into contact with the outer surface of the workpiece and with which the workpiece can be deformed. The clamping device can be rotated about a first axis and moved with respect to this first axis. Thus, the forming machine can be of relatively straightforward design and operate at high rotational speeds, even when a tool head equipped with a relatively large number of rollers is being used. The invention further pertains to a method wherein the clamping device can be moved with respect to the said first axis.

Abstract: A method for producing a bung for a metal cask that does not require a conventional collar and seal, and that simplifies the operations for forming the bung. The method disclosed in the present application includes the following steps. First, a prestamping operation creates a preforming dome in the wall of the cask such that a cuvett is formed. Second, an approximately cylindrical shaft is formed by stamping and thus puncturing the wall of the cask at the location of the bung. Third, the protruding edge of the shaft is folded down the to form an external rolled edge. Fourth, encircling the shaft with a rigid ring constituted by at least two annular sections such that the metal does not tear during the formation of the threads. Finally, the method of the present invention includes the step of implementing a roller threading head to form internal threads in the shaft.

Abstract: A method and apparatus for cold forming a battery terminal having a base and an insert. The insert includes a first portion encapsulated within the base and a second portion that extends beyond a first side of the base.

Abstract: A pre-beading apparatus for fashioning a cylindrical includes a housing have a work surface and an aperture formed in the work surface, where the aperture is capable of accommodating the cylindrical workpiece. A rotatable head assembly is concentrically aligned with the aperture, and includes a bead wheel and a cut wheel disposed on opposing distal ends of the rotatable head assembly. A gripper assembly is disposed within the housing and includes a securing means that extends into the cylindrical workpiece and permits selective movement of the cylindrical workpiece in an axial direction.

Abstract: The invention relates to a method and a forming machine for working a workpiece, for example by deforming it or fixing it in another workpiece, in which the workpiece is fitted over a mandrel, at least a part of the mandrel is expanded so as to fix the workpiece, the workpiece and at least one tool, such as a forming roller, are rotated about an axis relative to each other and the workpiece is worked by means of said tool. Less than half of the expanded or expandable part of the mandrel engages portions of the workpiece that are being worked with the tool.

Abstract: While a material pipe and a roller are revolved relative to each other with a predetermined radius, the material pipe and the roller are moved relative to each other in the direction of progress of forming by eccentrically moving the center axis of the material pipe and the revolution axis of the roller relative to each other and simultaneously moving the material pipe and the roller relative to each other in the directions of the axis. During movement in the direction of progress of the forming, an end portion of the material pipe is deflected by controlling the axis-direction moving portion so that the roller is moved relative to the material pipe in the direction of the axis when the circumferential position of the roller, with respect to a circumference of the material pipe, changes from an inner side of the direction of deflection toward an outer side of the direction of deflection.

Abstract: A method and apparatus for spin forming a portion of a workpiece includes at least two rollers rotatable about a spin axis. Each one of the rollers is axially and radially offset from the others. An axial drive mechanism reciprocates the rollers or workpiece to causes the first roller and then the second roller to sequentially engage the workpiece. A higher reduction ratio is achieved which enables improved efficiency. The present invention reduces floor space requirements as the forming operation may be completed on a single machine.

Abstract: A method and apparatus for expanding a free end of a tube by use of a fluted spinning tool. The fluted spinning tool of the present invention, when rotated at a predetermined speed into the free end of the tube, produces a combination of force, rotation, and heat which results in uniform expansion of the free end of the tube. Further, the fluted spinning tool of the present invention allows for the rapid and efficient production of expanded tube parts, such parts being evenly formed with minimal bias on the expanded free ends of the tubes.

Abstract: A method and apparatus utilizing a radial rolling process to cold form rings on a lead battery terminal with undercuts or overhangs to improve the sealing properties of the rings. The apparatus includes a fixture configured to securely position the battery terminal beneath a rolling station. The rolling station includes a radial rolling spindle having a plurality of cam shaped rollers configured to transform at least one ring on the battery terminal from having an initial rectangular cross-sectional shape into a desired arrowhead cross-sectional shape when the terminal and cold metal forming member are rotated relative to each other. A drive assembly is configured to rotate the battery terminal and radial rolling head relative to each other.

Abstract: A method and apparatus for spin forming a portion of a workpiece where the formed portion has a formed axis that is non-coaxial with the non-processed axis of the workpiece includes at least two rollers rotatable about a spin axis. Each one of the rollers is axially and radially offset from the others. An axial drive mechanism reciprocates the rollers or workpiece to causes the first roller and then the second roller to sequentially engage the workpiece. A pivoting mechanism rotates the rollers or workpiece about a pivot point from a first angular position to a second angular position during a forming operation to create a formed portion that is oblique to the non-processed portion or is substantially curved. A higher reduction ratio is achieved which enables improved efficiency. The present invention reduces floor space requirements as the forming operation may be completed on a single machine.

Abstract: An apparatus and method for forming grooves in a pipe for receiving mechanical pipe clamps are disclosed. The apparatus includes a holding fixture for securing the pipe and a carriage rotatably mounted on the holding fixture. Two arms are pivotably mounted on the carriage and extend on opposite sides of the pipe. Each arm has a grooving roller rotatably mounted thereon. An actuator connects the arms and forces the grooving rollers into engagement with the pipe. The carriage, arms, actuator and grooving rollers are rotated about the pipe in an orbit to form the circumferential groove. The method steps include forcing the grooving roller into the surface of the pipe at a fixed rate per revolution of the grooving rollers about the pipe in the orbit.

Abstract: A line-up clamp unit is powered by a diesel engine which drives a hydraulic pump for operating hydraulic equipment in the unit. The unit includes a line-up clamp which has front shoes, rear shoes and expanding copper back-up tiles. Drive wheels are deployed by a hydraulic cylinder and operated by a hydraulic drive motor. A group of aligning assemblies are electrically operated and fiction to extend L-shaped members to beyond the diameter of the pipe being welded so that the unit can be automatically positioned at the end of a pipe section. A control box includes a radio receiver for receiving control signals and producing corresponding electric control commands for operating the line-tip unit. A remote control radio transmitter has operating, mechanisms, including push buttons and toggle switches, for operating the line-up unit, including the engine, drive motor, brakes, line-up clamp and aligners.

Abstract: A forming apparatus forming part of or the entire circumference of a cylindrical work piece into a circular or deformed circular shape, such as an ellipse, etc. A spindle mechanism has a processing tool R mounted at the tip of the spindle, and a holding mechanism holds the cylindrical work piece W disposed in a way to face the spindle mechanism. An axial shifting means for shifts the spindle mechanism and the holding mechanism relatively in the axial direction of the spindle. A shifting motion means enabling the holding mechanism to make prescribed shifting motion, and a control mechanism drives the axial shifting means and shifting motion means in linkage with each other.

Abstract: The present invention intends to provide the partially reinforcing method and apparatus for reinforcing the required part of the metal material having good forming property and relatively low strength (hardness and yield stress) by the press processing.