Abstract: A spot-joining apparatus comprises a motor, a punch for driving a fastener or performing a clinching or friction stir spot welding operation, a first transmission, a second transmission and a transmission control apparatus. The first transmission is configured to transfer rotary motion of the motor to the punch when engaged. The second transmission is configured to convert rotary motion of the motor to linear motion of the punch, and thereby drive the punch towards a workpiece, when engaged. The transmission control apparatus is arranged to selectively adjust the degree of engagement of at least one of the first and second transmissions. Further apparatus for spot joining, and methods of spot-joining, are also disclosed.

Abstract: A riveting system is operable to join two or more workplaces with a rivet. In another aspect of the present invention, a self-piercing rivet is employed. Still another aspect of the present invention employs an electronic control unit and one or more sensors to determine a riveting characteristic and/or an actuator characteristic.

Abstract: A machine and method for punching an aperture through a hangtag and securing a two-piece eyelet to the same is disclosed. The machine has a frame, a table, a platform, a plurality of hangtag holders, a loading station, a punching station, an eyeleting station, and an unloading station.

Abstract: A rivet setting machine is provided. In another aspect, a linear displacement sensor directly senses and detects a position of a rivet-setting punch relative to a nosepiece of a rivet setting machine. A further aspect provides a control system and software instructions for sensing the relative position of a punch and nosepiece used by a programmable controller to determine and monitor a rivet setting position without use of a force sensor, motor current/voltage sensor, or a rotation sensor.

Abstract: A guide and setting device for elements, in particular fastener elements comprising a hollow guide piece, a plunger axially displaceably arranged within the guide piece and holding members which are displaceably guided perpendicular to the plunger and biased in the direction towards the longitudinal axis of the plunger and/or of the guide piece. In a retracted loading position of the plunger one element can be inserted between the holding members and the free end of the plunger. The holding members can be opened as a result of the axial advanced movement of the plunger and the respective element moved in the axial direction past the holding members. Further holding members following the first named holding members are provided which hold the element during a setting stroke.

Abstract: A self-piercing rivet setting machine comprises a C-shaped arm and a receiver section disposed at one end of the C-shaped arm to receive a self-piercing rivet fed from a feeder. The receiver section has a rivet-reach detection sensor to detect the presence or absence of a self-piercing rivet in a driving chamber therein. If the rivet-reach detection sensor detects the absence of any self-piercing rivet in the driving chamber, the sensor outputs a signal to prevent a punch from being driven.

Abstract: A system and method for rivet setting comprising a micro-adjustable bucking bar coupled to a control system that measures the rivet head during the rivet setting process and stops the rivet gun when the rivet head achieves a desired head height above the work surface. In preferred embodiments, the control system also communicates the stage of the rivet driving cycle to the operators to expedite the rivet driving process.

Abstract: A riveting system is operable to join two or more workplaces with a rivet. In another aspect of the present invention, a self-piercing rivet is employed. Still another aspect of the present invention employs an electronic control unit and one or more sensors to determine a riveting characteristic and/or an actuator characteristic.

Abstract: A press for attaching nuts to pipes has an upper base, a lower base, a movable support having a base end supported at a rear end of the lower base and a front end extending to the front end side of the lower base, a nut receiving recess provided in a piston of a hydraulic cylinder at the front end of the movable support and disposed at the upper end of a lower pattern, a lifter for the movable support, a stopper for the middle position of the movable support, a crimping die as an upper pattern mounted on the upper pattern support and movably disposed vertically on a same axial line as the lower pattern, and a hydraulic cylinder for pressing an upper pattern disposed on the upper base, and pressing the crimping die downward.

Abstract: A stitching method and a wire stitcher having a stitching head for stitching sheet-like materials using annular-eyelet staples, includes a staple support with a supporting body in the stitching head. The staple support supports a region of the annular eyelet during a driving-in operation and is moved out of the annular eyelet only when legs of the staple passing through the sheet-like material, have been largely bent over.

Abstract: A rivet is inserted into a workpiece by an apparatus that includes an internal roller screw linear actuator in which rotational movement of an internally threaded cylinder is converted into linear movement of a fastener insertion actuator assembly. The cylinder is driven in rotation by a servo-controlled motor. The angular velocity of the cylinder required to deliver the required energy to effect fastener insertion is calculated and the motor is first controlled to accelerate the cylinder up to the calculated angular velocity, the actuator assembly simultaneously being moved by the cylinder towards the workpiece. The motor is then controlled to maintain the angular velocity of the cylinder at not less than the calculated magnitude at least until insertion of the fastener. The cylinder stores kinetic energy by virtue of its inertia. Using this inertia to insert fasteners eliminates the need for position or force feedback control. The process allows for a rapid cycle time and the apparatus is compact.

Abstract: A riveting system is operable to join two or more workplaces with a rivet. In another aspect of the present invention, a self-piercing rivet is employed. Still another aspect of the present invention employs an electronic control unit and one or more sensors to determine a riveting characteristic and/or an actuator characteristic.

Abstract: A riveting system is operable to join two or more workplaces with a rivet. In another aspect of the present invention, a self-piercing rivet is employed. Still another aspect of the present invention employs an electronic control unit and one or more sensors to determine a riveting characteristic and/or an actuator characteristic.

Abstract: A composite laminated structure is reinforced by inserting pins into a device for manufacturing a composite laminated structure. The device has a bottom guide on a composite laminated structure in a pre- or post-cured state. The device has first vertical pins that are inserted into the composite laminated structure. A top guide, on the bottom guide, has guide pins that are movable in a vertical direction at positions corresponding to the first pins.

Abstract: The invention concerns an industrial robot (4) comprising a machining tool (2) attached to one hand (3) of the robot, designed to perform a hydraulic-driven movement relative to the hand (3) and connected therefor to a hydraulic unit (10). The hydraulic unit (10) is placed directly on a mobile part of the robot, in particular directly on the robot hand (3). Therefore there is no more need for hydraulic supply lines along the arm of the robot. Further, when the robot hand (3) changes tool, no separation of hydraulic lines is required. The machining tool (2) is in particular a device for placing blind rivets, thereby enabling an entirely automated process for placing blind rivets.

Abstract: A rivet is inserted into a workpiece by an apparatus that includes an internal roller screw linear actuator in which rotational movement of an internally threaded cylinder is converted into linear movement of a fastener insertion actuator assembly. The cylinder is driven in rotation by a servo-controlled motor. The angular velocity of the cylinder required to deliver the required energy to effect fastener insertion is calculated and the motor is first controlled to accelerate the cylinder up to the calculated angular velocity, the actuator assembly simultaneously being moved by the cylinder towards the workpiece. The motor is then controlled to maintain the angular velocity of the cylinder at not less than the calculated magnitude at least until insertion of the fastener. The cylinder stores kinetic energy by virtue of its inertia. Using this inertia to insert fasteners eliminates the need for position or force feedback control. The process allows for a rapid cycle time and the apparatus is compact.

Abstract: A system useful for riveting sheets of metal together. The system having a fastening element having a head on one side and a self-piercing surface on an opposite end, a die having an elastically moveable annular stop and a ring boost, and a ram assembly operably punching the piercing surface into a sheet. The fastening element may be a self-piercing rivet.

Abstract: A system for automatically stretching and stapling a foundation cover to a spring unit for a foundation, including a support table for supporting the foundation and cover, and a series of stretching/stapling assemblies or units positioned along the support table. The stretching/stapling assemblies include a series of tension applicators that engage and pull the cover taut against the sides of the spring unit of the foundation, while staplers are lowered into engagement with the cover and foundation frame, automatically stapling the cover to the sides of the foundation frame.

Abstract: A press for attaching nuts to pipes has a lower holder (6) fitting in and holding a pipe (60). A basal portion of this holder supported on the rear part of a lower base (2) moves up and down, and its forward portion extends to the front part of a lower base. Lifters (30) bear against and support the forward portion so as to keep it lifted a slight distance. Stoppers (31) bear against and support an intermediate region of the holder to be lifted a slight distance, and also bear against an end of the pipe (60) and retaining it at a prescribed position. A nut feed passage (10) extends in an outer surface of the lower holder from its basal to forward portion, and a nut pusher (14) is disposed in the forward portion. A cam rod (21) inserted in the lower holder (6) has a frontal oblique cam surface (22) for driving the pusher (14) to a nut releasing position (12), and a cam actuating means (25) is for the rod.

Abstract: A riveting system is operable to join two or more workplaces with a rivet. In another aspect of the present invention, a self-piercing rivet is employed. Still another aspect of the present invention employs an electronic control unit and one or more sensors to determine a riveting characteristic and/or an actuator characteristic.

Abstract: A system and method for self-piercing riveting including an alignment mechanism comprising laser diodes and sensors for facilitating alignment of a rivet gun and a back-up located on opposite sides of sheet metal parts to be joined, and an oscillation piercing technique for reducing force loads on structures, particularly robotic structures, carrying the rivet gun and the back-up.

Abstract: A riveting system is operable to join two or more workplaces with a rivet. In another aspect of the present invention, a self-piercing rivet is employed. Still another aspect of the present invention employs an electronic control unit and one or more sensors to determine a riveting characteristic and/or an actuator characteristic.

Abstract: Disclosed is an apparatus for separating culls coupled to a lead frame when a semiconductor chip is molded. The apparatus includes a lower plate, on which culls coupled to a lead frame are placed, an upper plate pressing culls placed on the lower plate in order to separate culls from the lead frame, a pilot pin installed in the upper plate by passing through the upper plate in order to press culls together with the upper plate when the upper plate presses the culls, and a sensor unit installed adjacent to the movement path of the pilot pin so as to detect a movement of the pilot pin. When culls are separated, faults of articles caused by a molding material insufficiently filled in a mold are checked through detecting a movement of the pilot pin.

Abstract: A method of manufacturing, using a riveting system, is operable to join two or more workpieces with a rivet. In another aspect of the present invention, a self-piercing rivet is employed. Still another aspect of the present invention employs an electronic control unit and one or more sensors to determine a riveting characteristic and/or an actuator characteristic.

Abstract: A broken trim die tool detection sensor. The lands of the tie bar die connect with the leads of the unit to form switches. The states of these switches indicate broken die lands or other malfunctions.

Abstract: A button indexing device used in a button attaching machine for attaching a button to be indexed in a specific orientation on a fabric of garments or the like, including lower mold provided at a button attaching position of the attaching machine, a driving section for turning the lower mold around a vertical axis, a laser beam source for irradiating a laser beam onto a point of a specified circular track of the button to be held in the lower mold around the vertical axis, an optical sensor for detecting light reflected from or scattered by the button, and a stop section for stopping said lower mold in a rotation position capable of obtaining the right orientation when said optical sensor detects the minimum or maximum amplitude.

Abstract: A fastening element (1), in particular for blind riveting, has a setting head (4), a deformation segment (2) and a shank end (3). The deformation segment (2) is arranged between the setting head (4) and the shank end (3). The fastening element (1) is hollow, optionally having a mandrel (7) inside the fastening element (1). The mandrel includes a head (23) and a foot (24) at least tension-resistantly connected to the shank end (3). The shank end (3) includes a punching edge (6) extending substantially along the outermost periphery of the shank end (3). Also identified are a process for setting the fastening element (1), a riveted connection to the fastening element (1), a device for setting the fastening element (1), an employment of the riveted connection obtained, and a die suitable for setting the fastening element (1).

Abstract: The preferred embodiment of a fastening system includes a self-piercing fastener having a thread-like pattern. In another aspect of the present invention, a fastener insertion machine employs an electromagnetic actuator without fluid actuation. A further aspect of the present invention uses a rotary-to-linear transmission within the machine to advance the fastener. In still another aspect of the present invention a self-piercing fastener is a clinch nut or a clinch stud.

Abstract: Computer software for controlling a riveting system is operable to join two or more workpieces with a rivet. In another aspect of the present invention, a self-piercing rivet is employed. Still another aspect of the present invention employs an electronic control unit and one or more sensors to determine a riveting characteristic and/or an actuator characteristic.

Abstract: The machine includes a movable carriage (5) carrying an application gun (8) filled with pins for application, which is movable above a work station composed of a table (1) carrying an endless belt (2). The machine is provided with a rack (10) for storing a plurality of guns (8) pre-filled with pins, which rack can be accessed by a gripping holder (7) carried by the carriage (5). A detector mounted on the gun can ascertain the absence of a pin in the frame at the application location and instruct the movement of the holder towards the rack.

Abstract: The disclosed fastener installation apparatus includes a plurality of spaced parallel feed passages each communicating with a plunger passage in a moveable member and the fixed member includes a plunger assembly having a plurality of spaced parallel legs which reciprocate through the plunger passages to simultaneously install a plurality of fasteners in a panel opposite the plunger passage. In one embodiment, the plunger assembly includes a body portion fixed to the fixed member and a plurality of integral parallel legs and a second embodiment having a plurality of separate spaced parallel plungers. Each plunger passage includes a proximity probe having an end adjacent to, but spaced from the plunger passage eliminating wear or damage to the proximity probes during use.

Abstract: A tag apparatus and method includes a nail gun with a tag positioning device. The tag positioning device is connected to a nail gun safety probe. Flexible tags are held in a tag magazine. Upon depression of the safety probe, a tag is rotated from its storage position within the tag magazine into position in front of the nail gun. According to one embodiment a scanning device is connected to the tag apparatus for obtaining data from tags after they are attached to an object.

Abstract: In order to detect setting defects of a self-piercing rivet in a self-piercing rivet setting machine, on a graph having X-Y coordinates representing a rivet driven stroke and a rivet driving load, a normal upper limit curve 37 defining the upper limit of a normal setting range and a normal lower limit curve 38 defining the lower limit of the normal setting range are plotted to detect a conventionally detectable setting defects. Further, a defect upper limit curve 39 and a defect lower limit curve 41 which are obtained from an additional setting defect different from the conventionally detectable setting defects are plotted between the normal upper limit curve and the normal lower limit curve, so that the additional setting defect is detected when a plotted curve 45 of actual-measurement data of a rivet under a rivet driving operation lies between the defect upper and lower limit curves.

Abstract: A rivet is inserted into a workpiece by apparatus that includes an internal roller screw linear actuator in which rotational movement of an internally threaded cylinder is converted into linear movement of a fastener insertion actuator assembly. The cylinder is driven in rotation by a servo-controlled motor. The angular velocity of the cylinder required to deliver the required energy to effect fastener insertion is calculated and the motor is first controlled to accelerate the cylinder up to the calculated angular velocity, the actuator assembly simultaneously being moved by the cylinder towards the workpiece. The motor is then controlled to maintain the angular velocity of the cylinder at not less than the calculated magnitude at least until insertion of the fastener. The cylinder stores kinetic energy by virtue of its inertia. Using this inertia to insert fasteners eliminates the need for position or force feedback control. The process allows for a rapid cycle time and the apparatus is compact.

Abstract: A self-piercing rivet setting machine 1 comprises a C-shaped frame 3, a punch 9 disposed at one end of the C-shaped frame 3, and a die 10 disposed at the other end of the C-shaped frame 3. The punch is attached to the edge of a receiver unit 14 and it is pressed against the die by a punch-driving unit 11. A plurality of workpieces are placed between the punch and the die to be connected with each other by driving a self-piercing rivet in the workpieces to cause the self-piercing rivet to pierce the workpieces. The receiver unit 14 includes a hollow shaft 17 having one end connected with a feeding tube 13 extending from a feeding device. The hollow shaft 17 is supported by a support tube 15 of the C-shaped frame 3. The receiver unit 14 further includes a receiver head 18 having an edge to which the punch is attached. The receiver head 18 is formed to receive the self-piercing rivet fed from the other end of the hollow shaft 17 and to allow the received self-piercing rivet to be held by the punch one by one.

Abstract: A method of fastening at least two large-surface components together by hole-punching rivets, in which the rivets are driven through the components by rivet drivers and against dollies, and fastening the components together. The components rest on supports, and the dollies are a part of these supports; each of the rivet drivers as well as the dollies are guided unfocused to a correct position where a hole-punching rivet is to be placed.

Abstract: A splicing device for connecting component belts via metal splicing two jaws that can be pressed together. At least two centering pins are located in one of the jaws. The centering pins are spaced at single or multiple intervals of holes of transport perforation provided in the component belts. The centering pins enter into corresponding holes in the other jaw when the two jaws are closed together. The jaws are also provided with a cutting device with knives by way of which the component belts can be cut to length.

Abstract: A device supplies a connecting element to a processing unit, in particular supplies punch nuts or rivet nuts to a punching head of a press, by a conveyer belt. The device contains a feed element, which has a flap that can be displaced in the conveyer belt and has a feed surface. The flap is retained in the conveyer belt by a passive force. The flap can be withdrawn or displaced from the conveyer belt by a connecting element that has been supplied to the belt and causes sensor actuation.

Abstract: A riveting system is operable to join two or more workpieces with a rivet. In another aspect of the present invention, a self-piercing rivet is employed. Still another aspect of the present invention employs an electronic control unit and one or more sensors to determine a riveting characteristic and/or an actuator characteristic.

Abstract: Jigs (52 to 57) are respectively set on upper and lower holders (21, 31) of a button attaching apparatus instead of upper and lower dies; relative position of the upper and the lower holders (21, 31) is adjusted while upper and lower springs (211, 317) are disabled; while the upper spring (211) is kept disabled, the lower spring (317) having stronger biasing force is enabled to adjust the lower spring; and the upper spring (211) is enabled to adjust the upper spring.

Abstract: A method as well as an apparatus manufactures a punch riveted joint, wherein at least two layers are pressed by a holding-down device against the die and a rivet, in particular a semitubular rivet, is provided for joining the layers. The holding-down device is connected by a coupling unit to the punch in such a way that during a punch riveting operation a coupling of the holding-down device to the punch may be varied between a substantially rigid coupling state and an uncoupled state.

Abstract: A feed head has a delivery path along which nuts are fed to a pressing station in the feed head, the pressing station having a pressing die which is reciprocated transversely to the delivery path under the action of a press to fasten a nut to a sheet metal member. A cam is provided to reciprocate the pressing die manually to facilitate clearance of blockages in the feed head, and also to hold the pressing die in its lowered position to allow operation of the press without operating the die. A sensor for detecting nuts at the pressing station is positioned on the end of the delivery path, enabling a narrower feed head design. A electrical coupling and nut delivery tube are integrated to facilitate connection in confined spaces.

Abstract: A computer program operably controls a riveting system to join two or more workpieces with a rivet. In another aspect of the present invention, a self-piercing rivet is employed with computer software to sense, measure and/or determine riveting and/or joint characteristics. Still another aspect of the present invention employs an electronic control unit and one or more sensors to determine a riveting characteristic and/or an actuator characteristic.

Abstract: A fastener installation assembly having a base, a first support member mounted to the base to slide upon the base and a second support member mounted to the first support member to the slide upon the first support member. The first and second support members have opposed engagement surfaces, one of the engagement surfaces has a stationary member and a moveable member mounted thereon and the other engagement surface has a die member mounted thereon. The fastener installation assembly has first and second power cylinders, the first power cylinder is operatively coupled to the first support member and the second power cylinder is operatively connected to the second power cylinder, the power cylinders move the engagement surfaces together to install a fastener into a panel.

Abstract: A fastener installation assembly having a base, a first support member mounted to the base to slide upon the base and a second support member mounted to the first support member to the slide upon the first support member. The first and second support members have opposed engagement surfaces, one of the engagement surfaces has a stationary member and a moveable member mounted thereon and the other engagement surface has a die member mounted thereon. The fastener installation assembly has first and second power cylinders, the first power cylinder is operatively coupled to the first support member and the second power cylinder is operatively connected to the second support member the power cylinders move the engagement surfaces together to install a fastener into a panel.

Abstract: A hydraulic drive mechanism to actuate a tool for joining at least two work-pieces of ductile material such as by self-piercing riveting or clinching. The drive mechanism comprises a punch drive for actuating a punch and a clamp drive for actuating a clamp which clamps the workpieces against an up-setting die during the joining operation. Both drives comprise piston cylinder assemblies. The piston cylinder assembly of the clamp drive is carried by the piston rod of the punch drive. The pressure chamber of the clamp drive communicates with one of the work chambers of the punch drive such that pressure within the work chamber of the punch drive is transmitted to the pressure chamber of the clamp drive in order to generate the clamping force. As a result thereof only a pair of fluid connections are required for operating both drives.

Abstract: A self-piercing type rivet setting system 30 comprises: a rivet swaging assembly 35; a robot 6 which moves the rivet swaging assembly 35 to put it in position relative to a predetermined site on a workpiece to be riveted; a single integrated controller 31 made up by an integration of a controller for controlling a riveting operation of the rivet swaging assembly and a controller for controlling the motion of the robot; and a rivet feeder 9 for automatically feeding a self-piercing type rivet to the rivet swaging assembly. From the integrated controller 31, a interface cable 33 extends to the robot 6 and another interface cable 34 extends to the rivet feeder 9, and the rivet swaging assembly 35 is integrally incorporated into the robot 6.

Abstract: A riveting system is operable to join two or more workplaces with a rivet. In another aspect of the present invention, a self-piercing rivet is employed. Still another aspect of the present invention employs an electronic control unit and one or more sensors to determine a riveting characteristic and/or an actuator characteristic.

Abstract: A feed head has a delivery path along which nuts are fed to a pressing station in the feed head, the pressing station having a pressing die which is reciprocated transversely to the delivery path under the action of a press to fasten a nut to a sheet metal member. A cam is provided to reciprocate the pressing die manually to facilitate clearance of blockages in the feed head, and also to hold the pressing die in its lowered position to allow operation of the press without operating the die. A sensor for detecting nuts at the pressing station is positioned on the end of the delivery path, enabling a narrower feed head design. An electrical coupling and nut delivery tube are integrated to facilitate connection in confined spaces.

Abstract: A fastening element (1), in particular for blind riveting, has a setting head (4), a deformation segment (2) and a shank end (3). The deformation segment (2) is arranged between the setting head (4) and the shank end (3). The fastening element (1) is hollow, optionally having a mandrel (7) inside the fastening element (1). The mandrel includes a head (23) and a foot (24) at least tension-resistantly connected to the shank end (3). The shank end (3) includes a punching edge (6) extending substantially along the outermost periphery of the shank end (3). Also identified are a process for setting the fastening element (1), a riveted connection to the fastening element (1), a device for setting the fastening element (1), an employment of the riveted connection obtained, and a die suitable for setting the fastening element (1).