Abstract: A spin forming process and apparatus is disclosed. A workpiece (e.g. sheet metal) is rotated with respect to a forming roller which bears against one of the outer and inner surfaces of the workpiece to deform the workpiece towards a required shape. First and second support rollers bears against the opposite surface of the workpiece. Computer control of the positions of the forming roller and the first and second support rollers allow non-axisymmetric shapes to be manufactured by spin-forming.

Abstract: A spinning machine includes: a main shaft which includes a chuck holding a cylindrical material having a bottom and a regulation member; a mandrel which is inserted inside from an opening side end portion of the material; and a press roller which presses the opening side end portion of the material. The spinning machine molds a circumferential groove portion on the opening side end portion so that an inner diameter of the opening side end portion of the material is smaller than an inner diameter of a body of the material by pushing a press roller while rotating the material around the axial center of the main shaft, and at least a portion of the inserted mandrel is formed so that a gap is provided between the portion and an inner circumferential surface after the opening side end portion of the material is plastically deformed.

Abstract: An apparatus for transporting a fabric having first and second transport faces for gripping a fabric therebetween and to displace the fabric along its length, in which at least one of the transport faces has an irregular surface.

Abstract: A method is for producing a circular cylindrical body (10) comprising a workable mass, having at least one helical internal cavity extending in the interior of the body. The body (10) is initially produced with a straight internal recess, for example by means of extrusion. Afterwards the body is cut to a defined length. The body (10) that has been cut to length is then subjected to a rolling process by means of a friction surface arrangement (23) while being supported over the entire length thereof on a support means (16). The rolling process takes place in multiple steps, wherein a rolling movement using a first axis of rotation (25) is performed in a first step, and a rolling movement using a second axis of rotation (26) that is different from the first axis of rotation is used in a second step. There is also an apparatus for performing the method.

Abstract: [Problem] The purpose of the present invention is to provide a form-rolling die and form-rolling method for a compound screw that use a cylindrical material to be threaded, enable the high-precision mass production of compound screws having a right-hand thread portion and a left-hand thread portion on the same region, do not cause rolling defects such as slips, and in which blockages do not occur even in the unlikely event of shavings being generated. [Solution] A form-rolling die structure is provided with die members which are pressed against a material to be threaded and which have rigid surfaces that are relatively displaced. The die members are equipped with a plurality of independent concave portions which form a substantially parallelogram shape when viewed from the normal of a virtual surface obtained by connecting the outermost portions of each of the rigid surfaces, and which are recessed from the virtual surface.

Abstract: The invention relates to a method for producing a circular cylindrical body (10) comprising a workable mass, having at least one helical internal cavity extending in the interior of the body. The body (10) is initially produced with a straight internal recess, for example by means of extrusion. Afterwards the body is cut to a defined length. The body (10) that has been cut to length is then subjected to a rolling process by means of a friction surface arrangement (23) while being supported over the entire length thereof on a support means (16). The rolling process takes place in multiple steps, wherein a rolling movement using a first axis of rotation (25) is performed in a first step, and a rolling movement using a second axis of rotation (26) that is different from the first axis of rotation is used in a second step. The invention also relates to an apparatus for performing the method.

Abstract: A catalytic device and method for forming a catalytic device are described. The devices and methods described can be used for emissions systems in heavy duty diesel engines. In particular, a method of spin forming a catalytic device generally includes disposing a mat about an outer surface of a catalyst substrate and inserting the catalyst substrate and mat inside a shell. The mat is between the shell and the catalyst substrate. The shell, catalyst substrate, and mat can be spin formed into at least a generally elliptical shape but generally other than a circle shape.

Abstract: The invention concerns a process for roll straightening crankshafts (8, 8?) using crankshaft deep rolling tools (1 to 7), in particular work rollers (18,19) which, while the crankshaft (8, 8?) is rotated about its axis of rotation (21), are pressed into the recesses (14 to 17) or radii that delimit the bearing pins (Hi, Pi) on either side with a roll straightening force (27, 30) that constantly fluctuates around the circumference of a bearing pin (H1 to H5, P1 to P4). Roll straightening is carried out by determining the individual vector (34) of the runout by size and direction (35) at each main bearing (Hi) of the crankshaft (8, 8?).

Abstract: A system that incorporates teachings of the present disclosure may include, for example, a server having a controller to wirelessly download media content to a media device of a vehicle from a point in the media content where a gateway previously stopped downloading the media content to the vehicle media device, where the server is in a reconfigurable master-slave relationship with the gateway, where the server and the gateway are remote from each other and remote from the vehicle, and where the gateway is associated with the vehicle. Other embodiments are disclosed.

Abstract: A forming device for cup-shaped hollow bodies (56) with a machine frame (2), a drive mechanism (6), a workpiece turntable (3) to support hollow bodies (56) and a tool carrier (4) to support machining tools (58), wherein the workpiece turntable (3) and tool carrier (4) oppose one another and can be rotated in relation to one another around an axis of rotation (5) and can be linearly displaced in relation to one another along the axis of rotation (5) and wherein the drive mechanism (6) is designed to provide a rotational stepping motion and a cyclical linear motion between the workpiece turntable (3) and the tool carrier (4), in order to allow the forming of the hollowing bodies (56) by means of the machining tools (58) in a plurality of sequential machining steps, as well as a stationary supporting tube (33) assigned to the machine frame (2), the central axis of which extends along the axis of rotation (5) and supports the tool carrier (4) and/or the workpiece turntable (3).

Abstract: A method of manufacturing a metal shell assembly for a spark plug including a cylindrical metal shell that extends in a direction of a central axis and which has a screw portion formed in an outer peripheral surface thereof, and a bar-shaped ground electrode that extends from a front end portion of the metal shell, the method including: disposing an intermediate assembly, having the ground electrode provided in a metal shell intermediate body, between a plurality of rolling dies having process surfaces facing each other; forming the screw portion by performing a rolling process on the intermediate assembly by the plurality of rolling dies while the intermediate assembly is interposed between the plurality of rolling dies; and positioning the ground electrode in a circumferential direction about a central axis of the intermediate assembly between the disposing and forming steps.

Abstract: The invention relates to a method for producing a circular cylindrical body (10) comprising a workable mass, having at least one helical internal cavity extending in the interior of the body. The body (10) is initially produced with a straight internal recess, for example by means of extrusion. Afterwards the body is cut to a defined length. The body (10) that has been cut to length is then subjected to a rolling process by means of a friction surface arrangement (23) while being supported over the entire length thereof on a support means (16). The rolling process takes place in multiple steps, wherein a rolling movement using a first axis of rotation (25) is performed in a first step, and a rolling movement using a second axis of rotation (26) that is different from the first axis of rotation is used in a second step. The invention also relates to an apparatus for performing the method.

Abstract: A roll-forming process for producing longitudinally toothed profiled bodies in a pot-shaped cylindrical workpiece in which, during a first rolling process (A), the pot-shaped cylindrical workpiece (1) is moved through a first rolling stage with a bottom (3) of the workpiece being rolled first. During at least one further rolling process (B, C), the workpiece (1) passes through at least one further rolling stage with an open end of the workpiece being rolled first.

Abstract: A closing machine (1) for closing a work piece (9) by pressing a rotating die (4) against the rotating work piece (9) comprises a die support shaft (41) that supports the die (4), which is disposed coaxially with the work piece (9), rotatably, a power transmission mechanism (401) which transmits the torque of a motor 46 to the die support shaft (41) and a one-way clutch (410) which blocks torque that is input into the power transmission mechanism (401) from the die support shaft (41). During a closing operation, the die (4) is pressed against the work piece (9) so as to contact the work piece (9) slidingly such that the die (4) rotates in accordance with the work piece (9), which rotates at a higher speed than the die (4).

Abstract: A device and method for fixing or repairing a wheel or rim of an automobile, truck, motorcycle or other vehicle is provided. The device has an adjustable shaft having a first side and a second side. The first side may act as a brace secured against the interior of a rim of, for example, an automobile. The second side may be the work end of the device which may be formed to fit the interior wall(s) of the rim. When the rim is heated and the shaft is extended, the device may allow a user to fix a dented rim. A bracing bar may be extended perpendicularly from the shaft and may act to secure the device in place while the work is performed.

Abstract: The present invention in one embodiment is a device and method for flattening bottle caps from beverage containers. In a preferred embodiment of the invention, the bottle cap flattener includes a bottle cap positioner, a bottle cap holder, a bottle cap flattening tool, a motor and a positioning jig. The bottle cap positioner precisely locates a bottle cap so that the bottle cap flattening tool can interact with the bottle cap to flatten the bottle cap. The bottle cap positioner preferably includes a rotatable disk that is rotated by the motor. The bottle cap flattening tool applies pressure to a bottle cap through a tip to force the outer portion of the bottle cap into a flattened configuration along with the central portion of the bottle cap. The bottle cap holder applies force to a bottle cap located on the bottle cap positioner to hold the bottle cap in a precise relationship with the bottle cap positioner.

Abstract: A machine arrangement including a vacuum transfer turret assembly configured to releasably hold one or more containers and to rotate the one or more containers about the turret assembly when the one or more containers are held by the turret assembly. The turret assembly includes a shaft assembly, a starwheel assembly, and a vacuum assembly. The starwheel assembly is releasably secured to the shaft assembly. The turret assembly is adapted to, when the starwheel assembly is secured to the shaft assembly, rotate the shaft assembly to rotate the starwheel assembly relative to the vacuum assembly and when the starwheel assembly is rotatably released from the shaft assembly, enable movement of the starwheel assembly and the vacuum manifold along the shaft assembly towards and away from the vacuum assembly.

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: The present invention relates to a device and a method for surface rolling crankshafts at the transition radii of bearing journals. The method for surface rolling the transition radii of crankshafts comprises the following steps: providing at least one roller element for applying at least one force to the workpiece; providing at least one support element for supporting the workpiece against a force applied by a roller element; displacing the at least one roller element and/or the at least one support element such that the at least one support element, and the at least one roller element, perform a displacement relative to each other, the displacement having a linear component. The present invention further provides a roller element for surface rolling the transition radii of crankshafts having a substantially linear contact surface for introducing at least one surface rolling force into a crankshaft, and a corresponding device.

Abstract: Microsurgical probes having a distal tip with a flat outer surface and a flat inner surface, and methods of forming such probes, are disclosed.

Abstract: A method and an apparatus for a metal spinning operation capable of spinning a product having a non-circular cross section normal to an axis of rotation such as a polygonal/elliptic one. The actuators of a forming roller (5) are driven with feedback signals from a force sensor (8) fitted to the forming roller (5) to control the pushing force of the forming roller (5) so as to form a work (1) following the cross section shape of a mandrel (3), so that the product having the non-circular cross section normal to the axis of rotation can also be formed. The motion of the forming roller (5) in the forming operation is stored, the shape of the mandrel (3) near the point of the forming roller (5) contacting with the work (1) is estimated based on the motion of the forming roller (5) from a time point before one rotation of the mandrel (3), and according to the estimation, the rotational speed of a motor for rotating the mandrel (3) is controlled for the forming operation.

Abstract: A method and tool for producing a flow formed part are disclosed, wherein the tool has an annular array of spline forming recesses for producing a flow formed part having splines and machining and production costs are minimized and efficiency is maximized.

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: An apparatus to expand a diameter of a can or other article comprises a forming turret that includes a stop plate and a forming tooling. The stop plate is configured to be adjacent a dome-end of a can to restrict motion of the can; the stop plate is axially movable relative to a turret axis of rotation. The forming tooling includes a plate and an expansion tool axially movable relative to the turret axis of rotation. The plate includes an opening through which the tool passes. The expansion tool is configured to move into an open end of the can to expand the diameter of the can.

Abstract: An apparatus for processing a drive shaft (11) for a vehicle, the drive shaft (11) having a longitudinal axis and first and second ends. There is provided a drive arrangement for coupling to the first end of the drive shaft and applying a rotatory force to the drive shaft (11). A second end support arrangement rotationally supports the drive shaft (11) at its second end. Also, a transaxial drive (35) for applying a transverse force in a direction transverse to the longitudinal axis of the drive shaft (11). The transaxial drive includes a transaxially displaceable roller arrangement for communicating with an outer surface of the drive shaft (11) in a region thereof intermediate of the drive arrangement and the support arrangement, via which the transverse force is applied. The transverse force has a magnitude sufficient to cause bending of the drive shaft (11) in the direction transverse to the longitudinal axis thereof as the drive shaft is rotated.

Abstract: A jewelry chain section and a method of forming the same having a spiral, twisted appearance, involves the winding of a wire on a support and the controlled manipulation of such wound wire during or after removal from the support. The wound wire comprises individual spirals that are twisted relative to each other, such that the individual spirals appear in a staggered formation, with the appearance of a chain section being varied by the number of spirals that are twisted at a particular time and the extent or angular dimension of the rotation imparted to such spirals.

Abstract: The invention relates to a method for producing a torsional vibration damper housing, especially the housing for a viscosity torsional vibration damper, whereby the damper housing is manufactured from an existing plate circular blank and the shaping of the damper housing occurs in an impact extrusion machine during a non-cutting impact extrusion shaping method. In successive impact extrusion shaping steps, all parts of the damper housing protruding from the plane of the plate circular blank, which forms the housing rear wall, are impact extruded while reducing the wall thickness of said parts to form a one-piece damper housing. Said damper housing is structured such that the area of the fastening flange has the largest thickness.

Abstract: The invention comprises a method of forming a sheet metal cup without using a mandrel. A cup shaped blank is first produced having a relief on a rim or outer circumference. The blank is clamped in the spinning machine. The relief controls and facilitates the bending process, creating a uniform curve at a predetermined bending point. During the rolling process, a forming roller is engaged with rim, and is moved progressively parallel with an axis of rotation. As the forming roller moves, the rim is progressively bent from an orientation normal to an axis of rotation to a position parallel to the axis of rotation. The fully formed rim can then be punched to accommodate a bearing or shaft. This allows a small radius pulley to be formed without use of a mandrel.

Abstract: A method of fabricating a circular-shaped metal structure, includes the steps of (a) rotating a pipe around an axis thereof, the pipe being composed of a plastic-workable metal, and (b) applying drawing to an outer wall of the pipe with the pipe being kept rotated, to reduce a wall thickness of the pipe and lengthen a wall of the pipe. A resultant circular-shaped metal structure fabricated by the method could have a thickness equal to or smaller than 0.09 mm.

Abstract: In order to simplify the production of a nigh-resistance bobbin body made of an aluminum alloy, the following process steps are performed: (a) extruding or flow extruding an essentially cylindrical bobbin blank; (b) cutting the bobbin blank to a length including the desired bobbin body length plus an overlength sufficient to form end flanges on the bobbin body; (c) shaping end flanges at both ends of the bobbin body from the overlength portion; hardening the bobbin body; and age-hardening (aging) the bobbin body. Various process parameters are described.

Abstract: A machine for determining dynamically a residual unbalance in a workpiece having a conical surface is provided with a plurality of support elements, such as roller elements, that communicate with the workpiece at the conical surface thereof. The roller elements are arranged circumferentially equidistant about the workpiece and may have cylindrical or conical configurations. Further support elements, such as roller elements, can be applied against an annular surface of the workpiece, such as on a flange portion thereof. At least one of the support rollers that communicates with the conical surface is arranged to rotate about an adjustable axis of rotation that can be oriented with respect to the workpiece to achieve good rotative communication therebetween.

Abstract: A method for improving the capability of a body to withstand stress during rotation of the body by inducing at a selected location in the body a residual compressive stress which opposes the steady tensile stress produced by rotation. The method comprises rotating the body at a succession of increasing peak speeds in excess of the design speed to induce tolerable yielding and residual compressive stress at each location experiencing higher steady tensile stress than the selected location. The succession proceeds from the location experiencing the highest steady tensile stress above that at the selected location to the location experiencing the lowest steady tensile stress above that at the selected location. Then the body is rotated to a still higher peak speed to induce tolerable yielding and residual compressive stress at the selected location.

Abstract: A roller milling tool unit is compact enough for insertion into a tool magazine of a machine tool and constructed to operate by a fluid circulating circuit of the machine tool. The unit has a tool section including a milling roller element and a fluid pressurizing section for generating the required hydraulic roller milling pressure. Both sections form a structural unit. The pressurizing section includes a pump connected to the fluid circulating circuit such as the cooling or lubricating circuit of the machine tool when the unit is in a working position on the tool carrier of the machine tool. The pump may be driven either by a hydraulic motor forming part of the tool unit or by a drive available in the machine tool. The hydraulic motor may be driven by the cooling or lubricating circulating circuit of the machine tool.

Abstract: A method and apparatus for making a pressure hose socket with at least one inwardly projecting crown having at least one tooth therein which points toward an end of the socket. The socket is pressed on its outer surface to form the inwardly projecting crown. The crown is then engaged by a coaxially extending stamp to form the tooth on the crown.

Abstract: A new and improved surge tank for the refrigeration circuit of an automobile air-conditioning system is fabricated from tube stock and comprises a unitary main cylindrical body having a sidewall and end walls. The end walls are formed by friction spinning.

Abstract: A conveyor roller wherein a hollow cylindrical shaft 1 with perpendicular end walls 2 carries axle shafts 3 for mounting the bearings. The end walls 2 and axle shafts 3 are made integral with the hollow cylindrical shell 1, the end walls 2 being of a variable thickness which grows into the cylindrical shell 1 in the direction from its periphery to the geometrical axis.A method of manufacture of the conveyor roller wherein the ends of the rotating tubular billet heated to a forging temperature are rolled consecutively until truncated cones are obtained, the smaller base of each cone being somewhat larger than the diameter of the roller axle shaft 3, then, continuing the rolling of each end, the axle shaft 3 and the end wall 2 of the roller are simultaneously formed in the direction from the smaller base of the truncated cone to its larger base, the end wall of the roller being of a variable thickness which grows radially into the cylindrical shell 1 from the periphery to its geometrical axis.

Abstract: A machine for finishing substantially cup-shaped blanks that are to comprise the bodies of saucepans or the like has a table on which the blanks slide horizontally, bottom wall down. They are advanced along the table from station to station by a shuttle conveyor comprising opposite horizontal clamping plates that converge edgewise to engage opposite side wall portions of blanks, move forwardly while converged, then diverge and move rearward to an idle position. At one station there is a hole in the table, and each blank is delivered concentrically onto a freely rotatable tail stock which is in a lowered position in said hole with its top surface level with the table surface. The tail stock rises to clamp the bottom wall of the blank against a concentric continuously rotating driver head spaced above the table.

Abstract: An apparatus for the machining of cylindrical surfaces on machine tools comprising headstock and tailstock centers to support the work placed therebetween, a tool head, and a head with deforming rollers spaced equidistantly apart in a circumferential direction. The heads are consecutively arranged in a housing fitted to the carriage of a machine tool. A portion of the tailstock center that, in operation, is face to face with the work serves as the guide for the deforming rollers and has a diameter virtually equal to the diameter at which the deforming rollers are set. Its end next to the work is adapted to accommodate the point of the tool in a position preparatory to machining.

Abstract: A balancing device and method for balancing a rotating body during operation. The device and method detects the phase and amount of unbalance and provides signals in synchronism with the unbalance. Local heating of the rotating body is provided to counteract the unbalance by thermal deformation of the axis of the body without removing material. The phase and amount of the local heating are controlled in relation to unbalance detected.

Abstract: The specification discloses apparatus and a process for forming the female or bell end of welded wire reinforcing cages, particularly cages of the type used to reinforce concrete pipe. A cylindrical wire cage assembly is automatically centered and positioned within the apparatus and the bell end is formed by elongating one or more of the circumferential wires at one end of the cage. A force is applied between two points on the circumferential wires to simultaneously expand the wires and rotate the cage. A heat source is applied to a localized zone between the two points on the wire. The heat source and wire are moved relative to each other such that the heat zone moves along the wire as the force is applied. The wire is stretched under the force being applied to thereby continuously reduce the diameter of the wire and elongate the wire as it is moved relative to the heat source.

Abstract: A spin lathe embodying novel means to deliver pressurized fluid to means controlling operation of the work holding chuck, and a manually adjustable hydraulically actuated switch element for limiting travel of the work piece forging tool for "necking" operations. Also embodied in the structure is a novel turntable mounting for the forging tool and the method and means to blow out the hole in the partially closed end of the work piece prior to final closing of said end.