Abstract: A handling arrangement for handling a wind turbine rotor blade includes a frame assembly realized to fit about the airfoil of the rotor blade; a number of add-on covers arranged to fit between the frame assembly and the airfoil surface, wherein an add-on cover is shaped to fit around a number of add-ons; and a load-bearing material for filling the add-on cover when the add-on cover is pressed against the rotor blade. A method of handling a wind turbine rotor blade is also provided.

Abstract: A system for positioning vehicle components relative to each other on a floor to prepare an assembly. A plurality of carriers receive a vehicle component. A plurality of positioning tables have a lower portions which can be fixed to the floor and a upper portions which receive a carrier. A location device having at least one base and mobile units moveable relative to the base. At some of the positioning tables moves the respective upper portion along at least two movement axes relative to the respective lower portion to position a carrier located thereon. A transport device guides the carriers from an external position to a positioning table and to place them on the upper portion. The location device determines the positions of the respective mobile units relative to the at least one base. A position control unit controls a movement of the upper portions to a predetermined target position.

Abstract: A semiconductor substrate processing apparatus includes: a metastructure layer divided into a plurality of microstructures by grooves, a light-transmitting dielectric substrate that supports the plurality of microstructures and is configured to allow an electromagnetic wave to be transmitted therethrough, and a frame including an exhaust hole configured to receive gas introduced from the grooves such as to provide suction force to the semiconductor substrate, wherein each of the plurality of microstructures has a smaller width than a wavelength of the electromagnetic wave, and each of the grooves has a smaller width than the wavelength of the electromagnetic wave.

Abstract: Various embodiments of the present application are directed toward an adjustable wafer chuck. The adjustable wafer chuck is configured to hold a wafer. The adjustable wafer chuck comprises a base portion and a pad portion. The base portion comprises a plurality of adjustable base structures. The pad portion is disposed on a first side of the base portion. The pad portion comprises a plurality of contact pads disposed on the plurality of adjustable base structures. Each of the adjustable base structures are configured to move along a plane in a first direction and configured to move along the plane in a second direction that is opposite the first direction.

Abstract: A method of assembling a structure in aircraft or spacecraft production wherein two components to be joined together at a joint are provided, each component comprising a joining region. Sealant is applied to one of the component joining regions. An arrangement is formed by positioning the components relative to each other, whereby an uncured layer of the sealant is formed between associated joining regions. The associated joining regions are clamped against each other using a clamping device, and a clamped state is maintained until the layer of sealant has cured to a pre-defined degree, the clamping device being installable on and transportable along with the arrangement. After the layer of sealant has cured to the pre-defined degree, drilling at a plurality of fastening positions is performed to obtain a hole of final dimension at each fastening position, and installation of a final fastener at each fastening position is performed.

Abstract: A parts table may comprise a structure including a first surface, a base including a platform affixed to the structure, and kinematic couplers secured to the base and configured to dock with complementary kinematic couplers of an alignment structure, the alignment structure being secured to a floor of an assembly cell, the first surface including a parts interface configured to hold a plurality of parts for assembly in the assembly cell, such that each part of the plurality of parts can be picked up by a robot of the assembly cell when the parts table is docked with the alignment structure, and the parts table is movable to a new location when the kinematic couplers are undocked from the alignment structure.

Abstract: One embodiment includes a rib structure to be used, for example, in any number of aerospace applications, the rib structure, comprising a first piece having a first curvature in a first plane; and a second piece having a second curvature in a second plane that is different from the first plane. The first piece and the second piece are bonded together to form the rib structure. In certain embodiments, the first piece further comprises a plurality of discontinuous flanges to interface with a plurality of skin surfaces. In other examples, the first piece includes an aft spar interface for bonding to a surface. In some implementations, the first piece includes a forward spar interface for bonding to a surface. Manufacturing of the airframe/aircraft parts, panels, and rib components can include any suitable composites, alloys, titanium, aluminum, artificial materials, sheet metal, etc.

Abstract: A constant torque tool provided, including: a driver body, including a handle and a working rod connected with the handle, at least one of the handle and the working rod being integrally formed with a first blocking structure; a sleeve member, being rotatably disposed around the driver body and integrally formed with a second blocking structure, the second blocking structure being releasably stuck with the first blocking structure in a rotation direction of the sleeve member; wherein when there is a relative torque greater than a predetermined torque between the sleeve member and the driver body, at least one of the second blocking structure and the first blocking structure deforms and the second blocking structure is slidable over the first blocking structure in the rotation direction.

Abstract: A turbofan gas turbine engine includes, among other things, a fan section, a core engine, a bypass passage, and a bypass ratio defined as the volume of air passing into the bypass passage compared to the volume of air passing into the core engine, the bypass ratio being greater than or equal to 10. A gear arrangement drives the fan section. A compressor section includes a low pressure compressor section and a high pressure compressor section. A turbine section drives the gear arrangement. An overall pressure ratio is provided by the combination of a pressure ratio across the low pressure compressor section and a pressure ratio across the high pressure compressor section, and greater than 40. The pressure ratio across the high pressure compressor section is between 7 and 15, and the pressure ratio across the low pressure compressor section is between 4 and 8.

Abstract: A finger protection device for bridging a gap of a door or window that has a winding shaft with a first end face and a second end face and a roller blind web that can be wound via the winding shaft. The roller blind web is arranged with a first end on the winding shaft and on the winding shaft side can be attached, together with the winding shaft, to a first part of the opening. The roller blind web can be attached with a second free end to a part of the opening. The finger protection device has a first and a second holder, wherein the first holder arranged on the first end face of the winding shaft and the second holder is arranged on the second end face of the winding shaft.

Abstract: A passenger seat is described which reduces neck deflection in a 16G loading event. The passenger seat includes one or more seatback surfaces which translate to shield a surface, such as a latch mechanism, during the crash event. By shielding the latch mechanism, a smooth surface is created, thereby reducing a likelihood of a passenger's head becoming trapped on the latch mechanism. The seatback surfaces actuated include one or more of a shroud surrounding the latch mechanism, a pocket defined by the shroud, or a hinged surface.

Abstract: Systems and methods are provided for assembly line processing of aircraft wing panels. The method includes inputting wing panels into an assembly line, the assembly line having a number of work stations, the wing panels oriented such that leading edges are all on a first side of the work stations, and trailing edges are all on a second side of the work stations, and advancing the wing panels in a process direction through the number of work stations, at least a first portion of the work stations dedicated to wing panel leading edge processing, and a second portion of the work stations dedicated to wing panel trailing edge processing.

Abstract: A method for automatically producing LED lamp cap, including: leading a heat sink base out to an outlet of a first feeding device; leading a reflection bowl to an outlet of a lead-out rail of a second feeding device; feeding, by a third feeding device, a LED lamp bead to a clamping block; feeding a bottom cover into a feeding pipe of a fourth feeding device; feeding a lamb tube to a lamp tube feeding pipe; dispensing a glue in a mounting groove of the heat sink base; pushing the LED lamp wick into the mounting groove; feeding the reflection bowl to a mounting surface of the heat sink base; and allowing the bottom cover to abut against an end of the heat sink base and allowing a lead wire to be clamped in a notch of the heat sink base and an opening of the bottom cover.

Abstract: A device for automatically installing a lamp tube of an intelligent LED lamp cap, including a first feeding device for feeding a heat sink base and a second feeding device for feeding a LED lamp bead out to an outlet of the first feeding device and assembling the LED lamp bead with the heat sink base. A third feeding device is arranged on a side of the first feeding device for feeding a lamp tube. A positioning-mounting mechanism is arranged on a side of the third feeding device and is configured to assemble the heat sink base with a lamp tube. A lead wire threading device is arranged on a side of the positioning-mounting mechanism and is configured to guide a lead wire of the LED lamp bead to pass through a mounting hole on the heat sink base.

Abstract: A device for installing a rear cover of an intelligent lamp cap, including a first feeding device for feeding a heat sink base and a second feeding device for feeding a LED lamp bead out to an outlet of the first feeding device and assembling the LED lamp bead with the heat sink base. A lead wire threading device is arranged on a side of a positioning-mounting mechanism, and is configured to guide a lead wire of the LED lamp bead to pass through a mounting hole of the heat sink base. A third feeding device is arranged on a side of the outlet of the first feeding device to mount a bottom cover on the heat sink base.

Abstract: A substrate processing method is provided. The method includes a) causing a substrate to be attracted to an electrostatic chuck, and b) processing the substrate. The method includes c) determining a charge removal temperature based on information preliminarily stored in a storage, thereby adjusting a surface temperature of the electrostatic chuck to be greater than or equal to the determined charge removal temperature, the information indicating a relationship between a maximum surface temperature of the electrostatic chuck, during substrate processing, and a residual charge amount for the processed substrate. The method includes d) removing a charge from the processed substrate.

Abstract: The invention is directed at a method of positioning a carrier on a flat surface using an positioning member, wherein the carrier comprises an upper part and a base which are connected to each other such as to be arranged remote from each other, wherein the positioning member is arranged between the base and the upper part such that the base is located at an opposite side of the positioning member with respect to the upper part of the carrier, the upper part resting on the positioning member prior to placing of the carrier onto the flat surface, wherein the upper part comprises three engagement elements, and wherein the positioning member comprises a support surface for receiving the three engagement elements of the upper part, said support surface including a plurality of sockets forming a kinematic mount for said three engagement elements, wherein the base comprises three landing elements, each landing element being associated with a respective one of the three engagement elements, and the method comprising

Abstract: An ascent-detecting air supply port (33), a descent-detecting air supply port (43), and an air discharge port (44) are provided to a housing (2). The ascent-detecting air supply port (33) is communicatively connected to an air outlet (38) by an ascent-detecting air passage (39). The descent-detecting air supply port (43) is communicatively connected to the air discharge port (44) by a descent-detecting air passage (45). The descent-detecting air passage (45) is closed by a valve mechanism (49) including: a valve surface (50) provided on a piston portion (15); and a valve seat (51) provided on an inner surface of the housing (2), when an advance piston (14) is retracted to a lowered position.

Abstract: A suspending tool includes a suspending tool main body that extends to be parallel with an axial direction above a rotor main body, a pair of bearing supporting portions that are disposed at an interval in the axial direction and are detachable from the bearing portions, a pair of seal supporting portions that are disposed inside the pair of bearing supporting portions in the axial direction at an interval in the axial direction and are detachable from the seal portions, and a plurality of diaphragm supporting portions that are disposed inside the pair of seal supporting portions in the axial direction such that the diaphragm supporting portions are disposed at intervals in the axial direction and are detachable from the diaphragms.

Abstract: It is provided an apparatus for supporting the erection of a plastics profile during the start-up process of an extrusion line for the extrusion of plastics profiles. An initially bulky profile strand of the plastics profile, which is withdrawn through a calibration unit, can be enclosed by a profile guiding trim of a profile guiding device in front of a caterpillar take-off, wherein the profile guiding trim and/or the profile guiding device can be spatially fixed against a displacement in the extrusion direction in front of an inlet region into the caterpillar take-off and can be shifted and fixed with regard to the vertical and/or lateral position and/or can be rotated about the extrusion direction and be fixed.

Abstract: The disclosure provides a removable support interface for an annular turbomachine casing, the removable interface having a coupling part configured for being mounted on the casing, and at least one attachment element for suspending the casing, orifices arranged in the coupling part the interface having means for locking the coupling part to the casing.

Abstract: The present disclosure discloses an internal and external clamping method and device of a thin-wall tubular part during rotary processing. A plurality of support blocks of this device are spaced to form an annular structure around the flange bush; the middle portion of each support block is provided with a through hole; a support claw is provided between every two support blocks, and the side surface of the support claw is provided with the through hole; a rotary shaft penetrates through the through holes in the support claws and the support blocks; and the plurality of support claws are spaced to form a support claw ring having the annular structure.

Abstract: A machine for filling and packaging containers including but not limited to bottles, cartridges, and syringes includes a wall that delimits an operating chamber in which at least one handling arm is arranged and which is facing at least one station placed externally to the operating chamber for the treatment of one or more of the containers. An intermediate element includes at least one coupling member configured to be alternatively operatively associable to the station and to the handling arm, with the intermediate element further including a coupling assembly integral to the intermediate element itself and different than coupling member. The coupling assembly is configured to removably hold one or more of the containers to be treated.

Abstract: A processing apparatus includes a chuck table mechanism including a chuck table configured to hold the wafer and a table base configured to support the chuck table in a detachable manner. The chuck table includes a porous plate having a suction surface that sucks the wafer, a frame body surrounding surfaces of the porous plate other than the suction surface of the porous plate, a wafer suction hole formed in the frame body and configured to transmit a suction force to the suction surface of the porous plate, and a bolt hole formed in the frame body and configured to fix the frame body to the table base.

Abstract: The invention discloses a synchronous self-locking pneumatic adaptive fixture used for the machining of annular thin-walled parts, belonging to the technical field of mechanical machining. The synchronous self-locking pneumatic adaptive fixture includes a zero point positioning system, a base body, a plurality of pressure plate mechanism assemblies, a plurality of columns, a plurality of support mechanism assemblies and a plurality of adaptive support body assemblies. Among them, the pressure plate mechanism assemblies complete the axial compression of the workpiece through the lever force increasing mechanisms and the orthogonal self-locking mechanisms. And the support mechanism assemblies complete the radial support of the workpiece through the rod slider mechanisms and the orthogonal self-locking mechanisms. The invention not only has high clamping efficiency and good stability, but also can ensure the reliable clamping and safe machining of the workpiece when the air source is disconnected.

Abstract: A die attach system is provided. The die attach system includes: a support structure for supporting a substrate; a die supply source including a plurality of die for attaching to the substrate; and a bond head for bonding a die from the die supply source to the substrate, the bond head including a bond tool having a contact portion for contacting the die during a transfer from the die supply source to the substrate, the bond head including a spring portion engaged with the bond tool such that the spring portion is configured to compress during pressing of the die against the substrate using the contact portion of the bond tool.

Abstract: A blade mould and a method for manufacturing a blade shell part of a wind turbine blade is disclosed. The blade mould comprises a first mould frame; a mould shell supported by the first mould frame and provided with a moulding surface that defines an outer shape of the blade shell part, wherein the mould shell has a longitudinal direction and comprises a root end mould part at a first end thereof; and a first deformation device for deforming the root end mould part of the mould shell. The method comprises arranging reinforcement material on the moulding surface of the root end mould part; deforming the root end mould part to a receiving configuration; inserting the root end insert in the root end mould part; and bringing the root end mould part to a moulding configuration.

Abstract: A workpiece holder device for workpieces to be machined on multiple sides, wherein the workpiece can be held axially and radially relative to the first axis between a first workpiece holder, operatively connected to at least one support spindle of the workpiece holder device and rotatable about the first axis, and at least one second workpiece holder, operatively connected to at least one drive spindle of the workpiece holder device and rotatable about the first axis, by force locking by means of a clamping force which can be built up in the manner of a vice between the first workpiece holder and the second workpiece holder in the axial direction of the first axis and acting on the opposite sides of the workpiece.

Abstract: A platform for actuation of at least one industrial field device in an industrial installation having control software includes: an execution environment, in which the control software is runnable; and an external interface for communicating between the control software and the at least one industrial field device. The execution environment has virtual hardware which, from a point of view of the control software, behaves in a manner of the at least one industrial field device. A switching unit is connected between the virtual hardware and the external interface. The switching unit bidirectionally translates data, interchanged between the control software and the virtual hardware, for communication with the at least one industrial field device via the external interface.

Abstract: Automated lumber handling systems include one or more lumber-scanning sensors that travel independently of a board-carrying trolley to reduce board retrieval times and increase scanning accuracy and resolution. In some examples, the lumber handling systems retrieve various size boards from a series of spaced-apart stations, and deliver chosen boards in a certain sequence to a saw. The saw then cuts the boards to sizes suitable for making prefabricated roof trusses and/or wall frames.

Abstract: A tool for use in flaring a handgun magazine well includes a housing and an insert. The housing defines at least one contoured peripheral surface. The insert is engaged with the housing and defines at least one magazine release notch. The contoured peripheral surface is configured to shape a corresponding inner surface of the magazine well. The magazine release notch is configured to engage a magazine release mechanism within the magazine well.

Abstract: A rise prevention device for a vehicle body and a vehicle assembly system including the same are provided. The a rise prevention device for a vehicle body includes an elevation device that is configured to move up and down and a power base that is configured to move up and down on the elevation device. In addition, a pressing device is configured to move up and down, is supported by the power base and is configured to press against the vehicle body to prevent the vehicle body from rising.

Abstract: Disclosed is a rotary actuated axial clamp that includes a primary fixture, having a rotatable primary clamp, having primary clamp fingers that engage secondary clamp fingers on a stationary secondary clamp. The primary fixture is attached to a positioner, while the secondary fixture is attached to the work piece. Different secondary fixtures can be utilized to fit the shape and size of the work piece, while maintaining a secondary clamp that is able to engage the primary clamp of the primary fixture. The primary fixture can consequently be utilized with numerous different work pieces having different shapes and sizes by simply modifying a secondary fixture to adapt to the size and shape of the work piece. Roller engagement of the primary clamp and secondary clamp reduces the force required to clamp and unclamp the primary and secondary fixtures. This reduces problems associated with attaching a work piece to a positioner.

Abstract: A device for holding and rotating a plate shaped article comprises a group of fixed pins and a group of pivot pins arranged along the circumference of the movable base in a manner that each pivot pin opposites a fixed pin, and also comprises magnetic bodies positioned within and outside two opposing sides of the pivot pins. Each of the pivot pins can be driven to rotate around its pivot back and forth under the magnetic repulsive force between two adjacent magnetic bodies, so as to release or clamp the plate shaped article. The present invention has advantages of simple structure, convenient and reliable action control, controllable clamping force and good compatibility with various processing chambers.

Abstract: A device for handling drill string components in respect of a drill rig. A gripper is configured to grip a first drill string component to be threaded on to or off from a second drill string component being partly drilled into a rock formation. A support is configured to fasten the device onto the drill rig. A handling unit is movably connected to the support. The handling unit includes the gripper and is movable between a drill string position and a loading position. The handling unit includes an auxiliary engagement unit configured to engage the second drill string component in the drill string position and an angle variation unit configured to vary an angle of the gripper and thereby the gripped first drill string component in order to allow the alignment in the drill string position. Also a method and a drill rig.

Abstract: Disclosed is a rotary actuated axial clamp that includes a primary fixture, having a rotatable primary clamp, having primary clamp fingers that engage secondary clamp fingers on a stationary secondary clamp. The primary fixture is attached to a positioner, while the secondary fixture is attached to the work piece. Different secondary fixtures can be utilized to fit the shape and size of the work piece, while maintaining a secondary clamp that is able to engage the primary clamp of the primary fixture. The primary fixture can consequently be utilized with numerous different work pieces having different shapes and sizes by simply modifying a secondary fixture to adapt to the size and shape of the work piece. Roller engagement of the primary clamp and secondary clamp reduces the force required to clamp and unclamp the primary and secondary fixtures. This reduces problems associated with attaching a work piece to a positioner.

Abstract: A sample micromotion mechanism adapted to minimize an influence of a disturbance and adjust a sample drift rapidly and with high accuracy, and designed so as to be a compact, easy-to-place sample micromotion mechanism of a side-entry type that suppresses the occurrence of the sample drift and generates/displays high-resolution monitoring images and precisely drawn patterns. A charged particle device employing the sample micromotion mechanism operates followed by deformation which causes a strain. A strain measuring unit measures such strain. The sample micromotion mechanism imparts micromotion so as to reduce the strain in accordance with the measured strain value, thereby reducing deformation of the sample micromotion mechanism.

Abstract: The invention relates to an apparatus and method for cutting a material web in a papermaking machine. The apparatus includes a cutting device, an upper holding device and an upper positioning device, the cutting device being fixed above the upper positioning device on the upper holding device such that it can be moved in the cross-machine direction. The apparatus additionally includes an air guide box that is fixed above the material web, likewise on the upper holding device.

Abstract: An assembly jig for pins includes a jig body in which pin insertion recesses, into which respective pairs of pins and interpieces are inserted, are aligned at predetermined intervals, and urging devices that urge lower end portions of both the pins and the interpieces, which are fitted in the pin insertion recesses, in the direction perpendicular to the axial direction of the pins and the interpieces. In the jig body, urging device installation recesses are formed so as to be contiguous with the consecutive pin insertion recesses. Each urging device is arranged in the corresponding urging device installation recess, and includes a helical compression spring of which the urging direction is the radially outward direction, and a pressing member urged by the helical compression spring. The pressing member has a first pressing face that contacts the pin, and a second pressing face that contacts the interpiece.

Abstract: A specialty tool for holding a pipe wrench stable when assembling or disassembling piping systems. While working in the field, plumbers normally have to balance one pipe wrench on its spine, holding it either between their knees or under one foot, while using another wrench for assembling/disassembling pipes, valves and fittings. Anyone who's attempted to perform this kind of task has experienced the aggravation, frustration and time loss associated with holding and balancing wrenches in this manner which this device serves to solve.

Abstract: A method of processing. The method includes attaching a plurality of studs to a blank comprising a material having a first size approximating a second size of a part to be machined from the blank. The method also includes attaching a number of the plurality of studs to a tool tab. The method also includes attaching the tool tab to a tooling fixture. The method also includes removing material from the blank to form a finished part, wherein the plurality of studs remain attached to the blank during removing. The method also includes detaching the plurality of studs from the finished part.

Abstract: An object fastening device which can prevent foreign matter from ending up damaging an object when confirming the object is properly seated, which object fastening device is provided with a receiving part, a pushing part which pushes the object against the receiving part, a first drive part which makes the pushing part generate a first force, a second drive part which is provided separate from the first drive part and makes the pushing part generate a second force which is smaller than the first force, and a foreign matter detecting part which detects foreign matter which is interposed between the object and receiving part while the second drive part is being used to cause the pushing part to push the object against the receiving part.

Abstract: A device for holding disk-shaped articles and a method thereof are provided. The device comprises a rotatable chuck body and at least two groups of clamping elements arranged at the edge of the chuck body. Each of the clamping elements is mounted to a pivot with the chuck body respectively by means of the rotation of the clamping element with respect to the chuck body. A radial compression spring is connected between the bottom of the clamping element and the chuck body to provide a clamping force for the clamping element. The clamping elements in the same group are provided with magnets with the same polarity, while the clamping elements in different groups are provided with magnets with the opposite polarity. Two sets of electromagnets are arranged on the chuck body and spaced apart evenly.

Abstract: The present invention concerns a wheel-clamping device for wheels on wheel-service-machines with only one drive unit and further a method for clamping wheels on a wheel-clamping device of wheel-service-machines with only one drive unit. The innovative wheel-clamping device for a wheel-service-machine according to the present invention comprises a frame 20 having a through-opening 22, and a spindle 30 being rotatably supported in the through-opening 22. Further, the spindle 30 has a through-hole 32 with a mounting-side end 30b and a driving-side end 30a, which is connectable to a drive means which is provided for a rotary movement for the spindle 30, wherein the spindle 30 has an external thread 34 on an external circumferential portion. Moreover, the wheel-clamping device comprises a sleeve 50 with a turntable 58 for the wheel to be clamped, wherein the sleeve 50 has an internal thread portion 52 which is in threaded engagement with the external thread-portion 34 of the spindle 30.

Abstract: A method of adsorbing a target object on a mounting table is provided. The mounting table is provided within a processing vessel that partitions a depressurizable space in a processing apparatus which processes a processing target object within the space. Further, the processing apparatus serves as a plasma processing apparatus. The method includes mounting the target object on an electrostatic chuck of the mounting table; and applying three AC voltages having different phases to three electrodes of the electrostatic chuck, respectively.

Abstract: Disclosed herein is a clamping apparatus that includes a first clamping rail and a second clamping rail. The second clamping rail is curved prior to clamping. The second clamping rail is straightened during clamping such that at least one of a substantially equal and an equal clamping pressure is exerted against at least one object to be clamped across a length of the first and second clamping rails. A method of clamping is further disclosed which includes straightening the second clamping rail and clamping the at least one object between the first clamping rail and the straightened second clamping rail. The method includes providing at least one of a substantially equal and equal pressure across a length of the at least one object with the straightened second clamping rail.

Abstract: Disclosed herein is a sensing device for use in providing positive feedback of the position of a vehicle body securing device used to selectively secure a vehicle body to a vehicle body support movable along a path of travel. A vehicle body securing device is selectively movable between a locked position and an unlocked position. An indicator is connected to the securing device and is reciprocally movable to and from a target area when the securing device is in one of the locked position and the unlocked position. A sensor has a field of view selectively alignable with the target area. The sensor is operable to detect when the indicator is positioned at the target area to provide a positive indication of the position of the securing device.

Abstract: A welding spinner has a base; a wheel with a mounting face for an implement to be welded; and a cam arm laterally connecting the wheel to the base and mounted to rotate between the base and the wheel to adjust the height of the wheel relative to the base. A method of using the welding spinner includes rotating the cam arm relative to the base to adjust the height of the wheel relative to the base. A counterweight device and a removable chuck are disclosed and may be used with a welding spinner.

Abstract: A method of supporting a workpiece on a fixture, the workpiece having a first surface and an opposite second surface, and an aperture positioned at a centre of the first surface and extending from the first surface to the second surface the fixture having a first end, an opposite second end, and a centre portion, the centre portion comprising a supporting surface, the second end being adapted to be mounted in a lathe, the supporting surface comprising an annular recess, the annular recess accommodating a supporting medium, the second surface of the workpiece being in intimate contact with the supporting medium, the method comprising the steps of: (i) mounting the fixture in the lathe; (ii) locating the aperture on the first end of the fixture; and (iii) securing the workpiece on the fixture, with the second surface of the workpiece being coplanar with the supporting surface of the fixture.

Abstract: A method and apparatus for a positioning system for electromagnetic riveting. The apparatus comprises a plate and a biasing system physically associated with the plate. The plate is configured to be positioned relative to a first workpiece, and is further configured to electromagnetically engage an electromagnetic tool. The biasing system is configured to physically engage a second workpiece. The biasing system is further configured to hold the plate in a desired position relative to the first workpiece during a number of operations performed by the electromagnetic tool while the plate is electromagnetically engaged with the first workpiece.