Abstract: The present disclosure relates to an apparatus for forming flange of circular duct, and the apparatus for forming flange of circular duct according to the present disclosure includes a forming jig that is disposed to surround an outer circumference of a lower end portion of a duct, and that has a forming groove on a surface facing the duct; a support that supports a lower end of the duct below the forming jig; a height adjustor that adjusts height of the support; and a forming unit that hits an inner circumference of the lower end portion of the duct to form a flange having a shape corresponding to the forming groove of the forming jig on the lower end portion of the duct, wherein the forming groove includes a first forming surface formed on the surface facing the duct, and a second forming surface additionally extended from a distal end portion of the first forming surface, and the height adjustor is configured to adjust a relative position of the support with respect to the forming jig such that the flange

Abstract: A spinning method includes supporting a supported portion of a cylindrical work by a work supporting portion; pressing a first roller of a spinning head against a processed portion of the work while revolving the first roller; and performing a forming process that points a tube axis of the processed portion of the work in a given direction by pressing the first roller and a second roller in which a plane of revolution thereof is provided in a different position, in a rotational axis direction of a spindle of the spinning head, than a plane of revolution of the first roller, while revolving the first roller and the second roller, and moving the work supporting portion relative to the spinning head or moving the spinning head relative to the work supporting portion, while the first roller and the second roller work in cooperation with each other to retain the work.

Abstract: A spinning method includes supporting a supported portion of a cylindrical work by a work supporting portion. The method includes pressing a roller of a spinning head against an outer peripheral surface of a processed portion of the work while revolving the roller. The method also includes performing a forming process that points a tube axis of the processed portion of the work in a given direction by moving the processed portion relative to the work supporting portion or moving the work supporting portion relative to the processed portion, while making a core bar inserted into the processed portion of the work contact an inner peripheral surface of the processed portion.

Abstract: A device and method for roller swaging a tube and a fitting using a tapered mandrel acting on forming rollers and having a rack body that supports lead screws that are rotated by a rack motor where the lead screws are used to move the rack drive head and the axial position of the mandrel. The mandrel is supported by a roller bearing having roller elements that are parallel to the rotational axis of the mandrel. A position sensor is attached between the rack body and the rack drive head to indirectly measure the position of the mandrel and/or a position sensor can be used to directly measure the position of the mandrel. The drive motor drives a primary drive shaft through a torque sensor to a secondary drive shaft to a roller swaging assembly and to the mandrel. The swage rollers in the roller swaging assembly are forced outward by the tapered mandrel to swage the tube and fitting.

Abstract: The invention refers to a device (11) for flanging the end (13) of a metal tube (13) to achieve a circumferential surface extending outward at right angles from the tube (13), comprising a flanging tool (17) adapted to be attached to the end of the tube (13), the flanging tool (17) having a guiding arrangement (31) drivable by a shaft (33, 48) of the guiding arrangement (31) and a pressure element (27) attached to the guiding arrangement (31), the guiding arrangement (31) comprising shifting means (35) driven by the rotating (89) shaft (33, 48) for shifting the pressure element (27) in an outward radial direction (37) with respect to the tube (13).

Abstract: Provided is a spinning method of reducing a diameter of a work piece pipe body with processing rollers disposed on an outer surface of the work piece pipe body, the processing rollers being configured to be relatively revolved around the work piece pipe body, wherein, when the processing rollers are axially reciprocated while being moved in a radius direction of the work piece pipe body, wherein the diameter reducing process with the processing rollers is performed under a state in which a wound body formed of an elastic sheet-like material is inserted as a core body into the inside of a portion of the work piece pipe body to be subjected to the diameter reducing processing.

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: 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 pipe chamfering device for chamfering an opening of a metal pipe has a secured member, a sliding member mounted on the secured member, and a chamfer cutting tool apron mounted on the sliding member. The secured member is secured onto a rotating plate, and a dovetail block is formed on a front side of the secured member. The sliding member has a dovetail slot on a rear side mounted correspondingly with and sliding along the dovetail block of the secured member. The sliding member has an axial aperture, and an axial rod is disposed in the axial aperture. A front end of the axial rod extends from a front side of the sliding member and is connected to a roller. The chamfer cutting tool apron has a chamfer cutting tool, and the chamfer cutting tool apron is mounted on the strip slot of the sliding member. The chamfer cutting tool is able to be driven by the rotating plate and is capable of forming a weld root with an even thickness at an opening of a non-circular pipe.

Abstract: An automatic extrusion device includes a main body, a driving unit, a first transmission unit, a second transmission unit and an extrusion unit. The second transmission unit has a clutch slip function for the automatic extrusion device to extrude the front of the pipe to be in the form of a bell for a fast connection of pipes. Through the slip function of the second transmission unit, it not only prevents the extrusion unit from over extrusion but also makes the front end of the pipe round so as to beautify the interface of the pipe.

Abstract: An automatic extrusion device includes a main body, a driving unit, a first transmission unit, a second transmission unit and an extrusion unit. The second transmission unit has a clutch slip function for the automatic extrusion device to extrude the front of the pipe to be in the form of a bell for a fast connection of pipes. Through the slip function of the second transmission unit, it not only prevents the extrusion unit from over extrusion but also makes the front end of the pipe round so as to beautify the interface of the pipe.

Abstract: A metallic container end closure is provided which includes a channel or groove in a predetermined location in at least one of an inner panel wall, outer panel wall, or chuckwall, and which is formed by a shaping tool. An apparatus and method for spin-forming the end closure with the improved geometry is also provided herein.

Abstract: An apparatus for forming microscopic recesses on a circumferential surface that defines a cylindrical bore in a workpiece, the apparatus including a form roller, a form roller drive driving the form roller to rotate about a rotation axis in an axially offset position in which the rotation axis is offset from a central axis of the cylindrical bore, an axial drive causing a relative axial movement of the workpiece and the form roller drive along the central axis of the cylindrical bore, and a rotary drive driving at least one of the workpiece and the form roller drive to rotate about the central axis of the cylindrical bore while keeping an outer peripheral surface of the form roller pressing against the circumferential surface that defines a cylindrical bore.

Abstract: The present invention generally relates to apparatus and methods for expanding a tubular. In one embodiment, an expander tool includes a body having at least one recess therein. An expansion assembly disposable in the at least one recess includes a piston that outwardly extends from the body in response to a radially outward force. The expansion assembly includes one or more rollers disposed on a shaft such that the rollers rotate at different speeds. In order to improve a rolling ratio, the shaft is arranged on the piston at an outward angle relative to a longitudinal axis of the tool. The expansion assembly is disposed along the tool at a skew to provide tractoring and reduce slippage due to axial movement. A bearing adjacent the roller and rotationally secured to the roller reduces roller heating and wear. In another aspect, methods for expanding a tubular within a wellbore are provided.

Abstract: A reforming assembly for simultaneously reforming and reprofiling a bottom portion of a metallic container is provided. The reforming assembly generally includes a roller block having a pair of reform rollers and two pairs of outside reprofile rollers. A biasing means is operably interconnected to the reform rollers, such that the reform rollers extend to contact the inner surface of the bottom portion of the container when contacted by the bottom portion of the container. The outside reprofile rollers engage with an outer surface of the bottom portion of the container. The container reforming assembly is rotated, while maintaining the container body in a static non-rotating position, to create an internal can profile on the inner surface by the pair of reform rollers, and an external can profile on the outer surface by the outside reprofile rollers.

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: The holder member 4 is rotatably supported at the tip portion 2a of the sliding member 2 placed on the guide face 1a of the guide member 1 arranged fixedly inside the cylinder C. The holder member 4 is inclined when the tip portion 3a of the profiling member 3 is inserted between the holder member 4 and the sliding member 2. Then the tapered end of the processing roller 6 is pushed into the inner peripheral surface of the cylinder where the sliding member 2 and the profiling member 3 move together in the axial direction of the cylinder, thereby to form a linear groove on the inner peripheral surface of the cylinder C.

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: An apparatus comprises a rotating member having one or more rollers. The one or more rollers have a plurality of protuberances. The rollers may be advanced toward a surface during rotation of the rotating member, such as toward a bore surface. The protuberances are configured to make a pattern of discrete indentations in the surface upon engagement of the protuberances with the surface. The apparatus is particularly suited for creating oil-retention pockets in the surface of an engine cylinder and other uses. The apparatus may be used to create a pattern of oil-retention pockets or other pockets in a cylinder with varying pocket density in a single pass.

Abstract: A device (1) for socket-deforming an end of a tube, for example a tube of a heat exchanger, and for cutting that tube to a desired length, the cutting taking place at the end to be deformed. The The device (1) comprises a deformation and cutting member (5) to be inserted into the tube to be worked, the member (5) comprising deforming means (15) arranged to at least locally modify the inner diameter of the deformation and cutting member (5) by varying its perimetral dimensions, said deforming means (15) being arranged to cooperate, for effecting said dimensional variation, with actuator means (40) with a movable support (12), the deforming elements carrying cutting elements (31) for separating an end tube portion by acting from the inside of the tube without chip removal, in order to obtain a deformed tube of the required length.

Abstract: A reforming assembly for simultaneously reforming and reprofiling a bottom portion of a metallic container is provided. The reforming assembly generally includes a roller block having a pair of reform rollers and two pairs of outside reprofile rollers. A biasing means is operably interconnected to the reform rollers, such that the reform rollers extend to contact the inner surface of the bottom portion of the container when contacted by the bottom portion of the container. The outside reprofile rollers engage with an outer surface of the bottom portion of the container. The container reforming assembly is rotated, while maintaining the container body in a static non-rotating position, to create an internal can profile on the inner surface by the pair of reform rollers, and an external can profile on the outer surface by the outside reprofile rollers.

Abstract: A forming tool movement unit, particularly for manifold closing machines, comprising a rotating head supporting forming tools slidable in mutually opposite radial directions with coordinated movements, a supporting frame on which a supporting element is slidable in axial direction with a stroke controlled electronically, the body of a first double-acting actuator being coupled to the supporting element for rotation and movement in an axial direction, the actuator being connected to a motor, and the body of the first actuator supporting coaxially and at the front the head into which its stem extends movable with a stroke controlled electronically and with the head connected to the forming tools.

Abstract: A tool for preparing pipes for coupling using mechanical couplings is disclosed. The tool has a movable roller pivotally attached to a body, a tapered roller rotatably attached to the body and a plurality of tool rollers rotatably mounted on a carriage slidable within the body. Each tool roller has a chamfering flange, a grooving flange and a textured, surface for chamfering the pipe end, forming a groove in the pipe end and marking the pipe end. The carriage is movable to position a tool roller at a predetermined distance from the pipe centerline. The tapered roller and the movable roller support the pipe end at an equiangular spacing from the tool roller. The movable roller is actuated by a jackscrew to forcibly engage the tool roller with the pipe end as the tool is rotated about the pipe end circumference to form the chamfer, the groove and an insertion depth mark.

Abstract: The invention relates to a method and a forming apparatus for deforming a hollow tubular workpiece, 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, the tool is rotated about an axis of rotation relative to the workpiece and one end of the workpiece is deformed by means of said first tool. A second forming tool is placed into contact with the outer surface of the workpiece and is rotated relative to the workpiece about an axis of rotation. The other end of the workpiece is deformed by means of said second tool and at least one of said tools is moved relative to the workpiece during said deformation and/or between deforming steps (On the same workpiece), wherein the axis of rotation of said tool is translated and/or pivoted about an axis with respect to said workpiece.

Abstract: A reforming assembly for simultaneously reforming and reprofiling a bottom portion of a metallic container is provided. The reforming assembly generally includes a roller block having a pair of reform rollers and two pairs of outside reprofile rollers. A biasing means is operably interconnected to the reform rollers, such that the reform rollers extend to contact the inner surface of the bottom portion of the container when contacted by the bottom portion of the container. The outside reprofile rollers engage with an outer surface of the bottom portion of the container. The container reforming assembly is rotated, while maintaining the container body in a static non-rotating position, to create an internal can profile on the inner surface by the pair of reform rollers, and an external can profile on the outer surface by the outside reprofile rollers.

Abstract: The present invention is a method for forming sheet material into contoured parts. The invention method includes these steps: A die is fashioned having an outside surface corresponding to the inside surface of the desired part. A plastically deformable sheet of material is clamped to the die so that the material is tangent to the die at a tangent area. A forming path is defined that follows the part's outside surface definition beginning at a point adjacent to the tangent area and tracing around the tangent area in circuits that incrementally offset away from the tangent area until all of the outside surface of the part is traced. A forming tool is then moved along the forming path so that the end of the forming tool presses the sheet material against the die thereby gradually forming the sheet material against the die to produce a finished formed part.

Abstract: An apparatus and method for forming cylindrical magnetic assemblies for rotating electrical machines. The apparatus and method pre-bends and finally bends a flange of the supporting shell to lock the permanent magnets in place. This is done in a single station and in two steps by way of an apparatus that permits handling of cylindrical bodies of considerably different diameters and lengths.

Abstract: At the time of spinning a tip reduced portion 3, an angle of inclination of the outer periphery of the tip reduced portion 3 with respect to an axis of a tube stock 2 is increased on a center side of the tube stock 2 and reduced on an end edge side thereof. By this, a generating line of an outer peripheral surface of the tip reduced portion 3 is made into a form like a center recessed curved surface.

Abstract: In a method of reshaping a tube, an apparatus is used which has a roller nip for rotating the tube, and a shaping roller assembly for altering the cross-section of the tube, for instance from round to oval.

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: A rolling machine for processing a metal container which has a longitudinal seam and is made from a flat metal plate to form a cylindrical body having adjacent or overlapping butt edges securely joined to one another by folding or welding, whereupon a disk-shaped lower bottom and, optionally, a respective upper bottom, is welded or folded to the cylindrical body to form a closed container, or an open-topped container, respectively, is configured as a continuous rolling machine and includes an upper carrier frame; an upper rolling drum rotatably supported in the upper carrier frame; a lower drum stand; and a driven lower rolling drum rotatably mounted in the lower drum stand.

Abstract: At the time of spinning a tip reduced portion 3, an angle of inclination of the outer periphery of the tip reduced portion 3 with respect to an axis of a tube stock 2 is increased on a center side of the tube stock 2 and reduced on an end edge side thereof. By this, a generating line of an outer peripheral surface of the tip reduced portion 3 is made into a form like a center recessed curved surface.

Abstract: A method of manufacturing a gearwheel (10) by clutch gear tooth forming with an axial undercut and a roof-shaped entry geometry consists in causing the gearwheel blank to perform a rotating movement and to cause profiled shaping tools in the form of rolls with external toothing, toothed racks or hollow rolls with internal toothing to perform a motion in rolling contact for engagement in the material, and in initiating the corresponding shaping operation by a radial or axial feeding motion, respectively.

Abstract: A method and apparatus for processing a portion of a workpiece. At least one roller is supported on a rotatable member rotatable about a main axis to be radially moved to and from the main axis. The workpiece is supported to position a central axis of the portion to be processed at least one of offset from and oblique to a forming target axis overlapping the main axis. Then, at least one of the workpiece and the roller is driven to be rotated relative to each other about the forming target axis, while the roller is moved radially toward the forming target axis, with the roller being in substantial contact with a surface of the portion to be processed. As a result, the portion to be processed is formed into a changed diameter portion having the forming target axis.

Abstract: The present invention is directed to a method and apparatus for forming an end portion of a cylindrical member or cylinder. A main shaft is positioned on a plane including the central axis of the cylinder, in parallel therewith. At least one roller is supported on the main shaft to be radially moved to and from the main shaft. The cylinder is held to position the central axis thereof in parallel with the main shaft. Then, at least one of the cylinder and the roller is moved relative to each other, with the central axis of the cylinder held in parallel with the main shaft, while the roller is moved radially toward an eccentric axis offset from the central axis of the cylinder, with the roller being in substantial contact with the outer surface of the one end portion of the cylinder. And, at least one of the cylinder and the roller is driven to be rotated relative to each other about the eccentric axis of the cylinder.

Abstract: Deep drawn, deep drawn and stretched, or extruded cylindrical aluminium containers are varnished internally and externally, provided with a twostage neck by drawing in and onto the neck is rolled a thread, followed by cutting to length. The drawing-in of the neck, thread rolling and cutting to size are performed with the same container setting. To improve the flexibility, adhesiveness and sliding characteristics, the varnish used is mixed with catalysts, plasticizers and/or lubricants. When the thread is rolled, the container neck is supported from the inside with a quasi-stationary screw-pitch gauge, while from the outside a thread roll is rolled over the neck surface and presses the thread inwards into the neck. The screw-pitch gauge and the thread roll are forcibly guided in such a way that a slip occurs between them and the neck material. As a result the varnish also remains intact in the vicinity of the thread.

Abstract: The present invention is a tool for repairing damaged pneumatic lines. The tool is small and compact, and is capable of being moved to the line to be repaired. The device has multiple rollers which may be adjusted to various line interior diameters and to various angles desired for the flange. When the tool is rotated, the rollers reform the flange in the subject line.

Abstract: Tensile residual stress in an annular welded joint part joining the ends of unit pipes is mechanically removed by applying repeated hammering strokes against the inner surface of the pipes over the entire joint part, thereby to cause such part to undergo local plastic deformation. The repeated hammering strokes, which have a peening effect, are applied by several automatically operating hammering devices mounted radially on a rotary head secured to and unitarily moving with a shaft which is driveable in rotation about its axis and in translation in its axial direction.

Abstract: A crawler shoe for a mining shovel or the like includes a portion in which a cylindrical hole is provided for receiving a steel pin which pivotally connects the crawler shoe to an adjacent shoe. The portion in which the hole is provided is fabricated of a work-hardenable steel alloy, such as Hadfield-Manganese Alloy, and the wall of the hole is work-hardened by a tool which expands the diameter of the hole slightly and at the same time compresses and hardens the steel defining and adjacent the hole to a predetermined depth and to a predetermined degree of hardness. The tool comprises a plurality of radially arranged, slightly skewed, rotatable rollers which are mounted on a rotatable body insertable into the hole and which are movable radially outwardly to roll and exert pressure on the wall surface defining the hole.

Abstract: A flange forming drill means for drilling a hole through the side of a pipe or the like and forming a hole encircling flange includes a drill rod mountable on a rotating power source with a drill bit at the lower end and associated retractable flange forming members which are extendable down below the edges of a drilled hole by turning an adjustment cone mounted on the drill rod. The adjustment cone is enclosed and keyed to an externally smooth, protective shield selectively securable to a locking ring on the drill at a plurality of relative angular positions around the drilling axis.

Abstract: The invention relates to a device for forming a collar around a hole in the wall of a pipe. The device comprises a rotary body (8) which in a plane perpendicular to the rotary shaft is elliptical in cross-section and in the plane of the rotary shaft substantially circular in cross-section. The body is provided with curved support surfaces (12) located in the plane of the rotary shaft, collaring means (14) being movable along said surfaces from an inserting position adjacent to the rotary shaft to a collaring position in a point on the body with the biggest elliptical cross-section.

Abstract: A method of manufacturing a cup-shaped coil assembly is described which employs a coil bobbin of a special design. The bobbin comprises a cylindrical member, a disc connected with one end of the cylindrical member to close it, a cap member detachably fitted into an opening in the other end of the cylindrical member, and a shaft disposed in alignment with the axis of the cylindrical member and having its one end attached to the disc and its other end slidably extending through the cap member. The method comprises the steps of assembling a coil bobbin in the manner mentioned above, and forming a coil around the bobbin by a skewed winding of wire, pressing the cap member into the cylindrical member, diametrically enlarging an opening formed at one end of the coil, and removing the cap member from the coil formed.

Abstract: Improved mechanism to convert rotary motion to transverse motion comprises a disc journalled to rotate about its axis and provided eccentrically with a journal, a trunnion provided with a journal, a trunnionway supporting the trunnion for transverse movement of the trunnion within the trunnion-way in opposite directions normal to such axis, and a shaft journalled to rotate within the journal provided in the disc. One end of the shaft is provided eccentrically with an axially extending pin journalled to rotate within the journal provided in the trunnion. Thereby, the pin is displaced transversely as the disc is rotated about its axis.

Abstract: The invention provides a tool for forming threads or grooves on the internal surface of a pipe.