Abstract: A solder feed structure has a solder exit aperture with an elongated shape. The elongated shape can help reduce the incidence of clogging, as it has a dimension that is significantly larger than the wire diameter of solder. The solder feed structure has a bent segment leading up to the solder exit aperture. The arc of the bent segment can cause the solder wire to be in a stable position at one end of the elongated shape of the solder exit aperture instead of wobbling within the solder exit aperture.

Abstract: An arc welding apparatus includes a conductor tube assembly that has a collar assembly with a collar body that is biased by a spring. A consumable assembly is mechanically secured to the conductor tube and displaces the collar body and the collar body imparts a biasing force against the consumable assembly pretensioning the consumable assembly on the conductor tube assembly.

Abstract: A workpiece stack-up that includes at least a steel workpiece and an aluminum-based workpiece can be resistance spot welded by employing a multi-stage spot welding method in which the passage of electrical current is controlled to perform multiple stages of weld joint development.

Abstract: A welding electrode includes a weld face that has a convex base weld face surface and a plurality of ringed ridges that are radially spaced apart on the base weld face surface and surround a central weld face axis. The plurality of ringed ridges including an innermost ringed ridge and an outermost ringed ridge. The innermost ringed ridge is located closest to the central weld face axis and rises above a central portion of the base weld face surface, and the outermost ringed ridge is located farthest from the central weld face axis and rises above an outer peripheral portion of the base weld face surface. At least one of the plurality of ringed ridges is a discontinuous ringed ridge.

Abstract: Apparatus are provided for ultrasonic welding of a workpiece of one or more components. The apparatus includes a horn configured to contact the workpiece and to transmit energy to the workpiece. The horn includes a shank and a tip disposed at an end of the shank facing the workpiece. The tip has a face that has a tip radius forming a curved surface at the face. A knurl is formed on the face across the curved surface.

Abstract: A laser welding method according to the present disclosure includes a step in which a third material is interposed between a first material and a second material, which are made of the same type of metal so as to be weldable to one another, and at least one of which is provided with a protruding portion, wherein the third material is difficult to weld to the first material and the second material and has a through-hole portion into which the protruding portion is inserted. The method also includes a step in which, when the third material is interposed between the first material and the second material, a region corresponding to the protruding portion is irradiated with a laser beam from the first material side, and the first material and the second material are welded via the through-hole portion.

Abstract: A device for the additive manufacturing of a turbomachinery part by direct metal deposition onto a substrate comprising: a source of metallic material; a source of energy configured to produce molten metal from the metallic material produced from the source of metallic material; a substrate; a mold arranged on the substrate and equipped with at least one opening, in order to allow a localized deposition of molten metal onto the substrate, the mold comprising a magnetic material; and a substrate support arranged under the substrate, the support being configured to generate an electromagnetic force allowing the mold to be drawn towards the substrate.

Abstract: Hybrid welding methods include directing a laser beam from a laser onto a first component that is vertically offset from a second component, and, directing a weld arc from an arc welder onto a weld joint between the first component and the second component to weld the first and second components together.

Abstract: Provided is an epoch-making method in which an original sheet is continuously fed, and a rectangular electrode sheet with a tab can be cut out from the original sheet with a normal laser beam during the continuous feeding. The original sheet 1 is continuously moved. An ear portion 1b is separated from an electrode portion 1a with a first laser beam L1 in an ear portion separating region provided in the middle of movement of the original sheet 1, is taken up at a position where the ear portion 1b is separated, in a direction separated from a running direction of the electrode portion 1a, and the laser beam L1 is moved in the ear portion separating step to cut out a tab 5 connected to the electrode portion 1a, from the ear portion 1b.

Abstract: A SiC wafer is produced from a single crystal SiC ingot. Wafer producing apparatus includes a holding unit for holding the ingot, a flattening unit for grinding the upper surface of the ingot, thereby flattening the upper surface, a laser applying unit for setting the focal point of a laser beam having a transmission wavelength to the ingot inside the ingot at a predetermined depth from the upper surface of the ingot, the predetermined depth corresponding to the thickness of the wafer to be produced, and next applying the laser beam to the ingot to thereby form a separation layer for separating the wafer from the ingot, a wafer separating unit for holding the upper surface of the ingot to separate the wafer from the ingot along the separation layer, and a wafer storing unit for storing the wafer separated from the ingot.

Abstract: A method for cutting sapphire comprising a sapphire body and a coating formed on the sapphire body, the method comprising: focusing a first CO2 laser beam the coating via a CO2 focusing assembly to remove the coating with a predetermined thickness extending along a first path; wherein dust and debris generated during removal of the coating are removed while the coating is removed; focusing an ultrafast laser beam on the sapphire body via an optical path shaping assembly to form a plurality of restructuring channels distributed along a second path and penetrating through the sapphire; wherein the second path coincides with the first path; scanning, by the second CO2 laser beam, the sapphire body via a galvanometer focusing assembly, wherein a path of the second CO2 laser beam scanning the sapphire body via a galvanometer focusing assembly coincides with or deviates from the second path, so that the sapphire cracks along the restructuring channels.

Abstract: A closure device for a chamber housing a laser units for cutting a sheet metal strip includes, in proximity of an exit slit of the strip to be machined, a bar arranged transversely to the axis of advancement of the strip, and having, at the lower edges of the major side surfaces, longitudinal edges of a U-folded plate bound thereto. The plate has a plurality of transverse slots ending before its edges. An actuator provided for a vertical movement of the bar.

Abstract: A structural member is disclosed. The structural member includes a body having a first surface, a second surface, and an end surface at an end portion of the structural member. The end portion of the structural member includes a root protrusion extending radially outward from the second surface of the structural member along a root protrusion radius to an outer end of the root protrusion to define a root protrusion height extending from the second surface of the structural member to the outer end of the root protrusion. The root protrusion further includes a root protrusion width extending between an inner edge and an outer edge of the outer end of the root protrusion. The root protrusion radius, the root protrusion height, and the root protrusion width are configured to define a stress protected weld root region isolated beyond and away from a root stress flow path propagated through the body of the structural member.

Abstract: A Ni-based alloy core wire for a covered electrode according to an aspect of the invention includes, as a chemical composition, by mass %: C: 0.0100% to 0.0800%; Si: 0.010% to 0.800%; Mn: 0.010% to 1.800%; Mo: 15.0% to 28.0%; W: 2.5% to 8.0%; Cu: 0.10% to 1.20%; Ta: 0.002% to 0.120%; Ni: 65.0% to 82.3%; and a remainder: impurities with other optional selective elements; in which a value X is 0.010% to 0.160%.

Abstract: In a method for the documented tightening or tightening up of a heavily loaded screw connection of a threaded bolt and a nut screwed on the threaded bolt by using an axially operating tensioning device and a process control unit provided with a documentation module, the screw connection is identified by scanning an identification provided on the screw connection and data determined by scanning the identification is stored in the documentation module. The screw connection is lengthened by the tensioning device by axially pulling on a threaded end of the threaded bolt and a tightening force (FA) and/or a tightening pressure (PA) exerted by axially pulling on the threaded end is stored in the documentation module. After lengthening, the nut is turned by using a hand torque wrench and an actually exerted hand torque applied for turning the nut is stored in the documentation module.

Abstract: A polishing method and a polishing film are provided for automatically performing multi-stage batch polishing on an end surface of a workpiece. An end surface of a workpiece and a polishing plate are moved relative to each other while bringing the end surface of the workpiece into contact with a polishing film of the polishing plate. The end surface is moved in a circular motion with a diameter 2 R relative to the polishing film; the center of the circular motion is moved linearly by a distance S on the polishing film; the polishing film is provided with first, second, and third polishing surfaces; and the polishing film is further provided with cleaning surfaces between the polishing surfaces so that the range of the distance S in which one rotation in the circular motion crosses over different polishing surfaces is reduced, or does not cross over different polishing surfaces.

Abstract: An optical fiber polisher includes a polishing mechanism, a platen, and a memory for storing operational parameters entered by a user. The optical fiber polisher includes a processor to control a pressure applied by the polishing mechanism and a rotational speed of the platen, including causing a ramping down of at least one of the pressure and the rotational speed based on the operational parameters.

Abstract: An adjustable stroke mechanism for a random orbital machine including a housing having a wall enclosing a cavity, an adjuster ring surrounding the housing and having a first set of gear teeth along a first portion of an inner surface, and a second set of gear teeth along a second portion of the inner surface, a counterweight having gear teeth on an exterior surface disposed within the housing, and a bearing carriage having gear teeth disposed within the housing. At least one counterweight gear that meshes with the gear teeth of the counterweight and the first set of gear teeth of the adjuster ring, and at least one bearing carriage gear that meshes with the gear teeth of the bearing carriage and the second set of gear teeth of the adjuster ring, so that movement of the adjuster ring causes movement of both the counterweight and the bearing carriage.

Abstract: A waterjet system is provided, including a pump configured to pump fluid, an electric motor configured to drive the pump; a hopper configured to store abrasive, a mixing chamber configured to mix abrasive from the hopper and the fluid from the pump to produce a slurry, where the fluid entering the mixing chamber is at a pressure between 2000 psi and 8000 psi, a cutting bed configured to receive a workpiece to be cut, and a cutting head, including an outlet nozzle, in downstream fluid communication from the mixing chamber, the cutting head configured to expel the slurry through the outlet nozzle as a high-velocity jet into the cutting bed.

Abstract: An abrasive product having an abrasive surface, a belt of an abrasive product, a roll of an abrasive product and a method for manufacturing an abrasive product. An abrasive product includes a backing and an abrasive surface. The abrasive surface includes at least a first abrasive area and a second abrasive area, wherein abrasive properties of the first abrasive area are different from abrasive properties of the second abrasive area.

Abstract: A clamping assembly includes a body defining a retaining area and at least one coupling element. The body further includes a first leg having an adjustable engagement member and a second leg positioned at an angle less than 90° relative to a horizontal axis. The clamping assembly further includes a rod having a first end coupled to the at least one coupling element of the body. The rod is operative to drive the body in a direction toward the first leg in response to a force directed toward a second end of the rod.

Abstract: An Allen™-key style wrench that has tips at the working ends of the wrench that are composed of a different material than the body of the wrench. The body include internally-threaded bores at each end, mated to the external threads of bits providing the tips.

Abstract: A securing tool and methods for its use are described herein. In various embodiments, the securing tool may include a handle and one or more prying members positioned at a first end of the securing tool opposite the handle. The prying member(s) may be shaped to engage a release of a self-tensioned hose clamp to cause the handle to be manipulable to spring the self-tensioned hose clamp. The securing tool may include first and second sensors configured to provide first and second signals, respectively, that are indicative of sensed occurrence of first and second events after the handle is manipulated to spring the self-tensioned hose clamp. In various embodiments, if the first and second signals satisfy a criterion, the hose clamp may be deemed to have been properly installed onto a hose or other conduit.

Abstract: A working head for a hydraulic power tool. The working head includes a head frame and a first moveable die head configured to move along the working head frame. The first moveable die head is configured to receive a first moveable die comprising a first body length and a second die head is adapted to receive a second die comprising a second body length. At least one of the moveable die or the stationary die comprises an elongated die.

Abstract: A firing pin assembly of a nail gun and a bonding method thereof are provided. The firing pin assembly includes a firing pin body and a firing pin head made of a material having a hardness greater than that of the firing pin body. The firing pin head has a first end and a second end. The first end is made of a material having a density lower than that of the second end. The first end and the front end face of the firing pin body are preheated to a set temperature. The top of the second end is pressed toward the front end face of the firing pin body for an appropriate bonding time, so that the material particles of the firing pin body are dissociated and fused into the first end of the firing pin head to form the firing pin assembly.

Abstract: An air duster structure that is configured to jet compressed air out of a nozzle, includes a flow amount adjustment mechanism which is configured to adjust an amount of air jetted out of the nozzle. The flow amount adjustment mechanism includes: a pipe line for circulating air; a valve member disposed inside the pipe line and being movable; and a throttle portion configured to gradually change an area of a flow channel in which air circulates, with a movement of the valve member, to control a flow amount of the air in the pipe line. The throttle portion is structured so as to increase the area of the flow channel at an accelerated rate when the valve member moves in a direction that opens the pipe line.

Abstract: Kickback control methods for power tools. One power tool includes a movement sensor configured to measure an angular velocity of the housing of the power tool about the rotational axis. The power tool includes an electronic processor coupled to the switching network and the movement sensor and configured to implement kickback control of the power tool. To implement the kickback control, the electronic processor is configured to control the switching network to drive the brushless DC motor, receive measurements of the angular velocity of the housing of the power tool from the movement sensor, determine that a plurality of the measurements of the angular velocity of the housing of the power tool exceed a rotation speed threshold, and control the switching network to cease driving of the brushless DC motor in response to determining that the plurality of the measurements of the angular velocity exceed the rotation speed threshold.

Abstract: A multiple tool with an integrated case is described. The multiple tool includes a tool assembly that includes a first pivot on which are articulated a plurality of implements, each implement rotatable from an inactive position of minimum encumbrance to at least a working position, and a carry case for housing the tool assembly. The carry case includes at least a grip portion for manually holding the tool assembly with at least one of the implements in a working position.

Abstract: A ancillary handle includes: a gripping part of the ancillary handle, a receiving part having an elongate seat for the shank, and a locking device for locking the shank and fixing the surgical instrument to the ancillary handle. A locking part engages in a groove on the outer surface of the shank. The locking part translates between: iii) a locking configuration, in which the locking part engages in the groove and blocks the surgical instrument, and iv) an unlocking configuration, in which the locking part frees the shank. The locking device includes an actuation part for moving the locking part between the locking and unlocking configurations.

Abstract: Methods and apparatus related to receiving a request that includes robot instructions and/or environmental parameters, operating each of a plurality of robots based on the robot instructions and/or in an environment configured based on the environmental parameters, and storing data generated by the robots during the operating. In some implementations, at least part of the stored data that is generated by the robots is provided in response to the request and/or additional data that is generated based on the stored data is provided in response to the request.

Abstract: A gear device includes an internal gear, an external gear partially meshing with the internal gear, relatively rotating around a rotation axis to the internal gear, and having flexibility, and a wave generator being in contact with an inner circumferential surface of the external gear and moving a meshing position of the internal gear and the external gear in a circumferential direction about the rotation axis, wherein a virtual straight line as an extension of a tooth trace of the internal gear intersects with the rotation axis in a sectional view cut along a plane containing the rotation axis.

Abstract: Methods, systems, and apparatus, including computer-readable media, for robot grasp learning. In some implementations, grasp data describing grasp attempts by robots is received. A set of the grasp attempts that represent unsuccessful grasp attempts is identified. Based on the set of grasp attempts representing unsuccessful grasp attempts, a grasp model based on sensor data for the unsuccessful grasp attempts. After training the grasp model, a performance level of the trained grasp model is verified based on one or more simulations of grasp attempts. In response to verifying the performance level of the trained grasp model, the trained grasp model is provided to one or more robots.

Abstract: An action teaching method is provided for teaching a robotic arm of a robotic arm system through a gesture teaching device. In a step (a), a touch condition of a user's finger is sensed by the touch sensing unit. In a step (b), a sensing result of the touch sensing unit is transmitted to an identification unit, so that a touch information is identified by the identification unit. In a step (c), the touch information is transmitted to a teaching unit, so that the teaching unit actuates a corresponding operation of the robotic arm system according to the touch information. In a step (d), an operating result of the robotic arm system is shown on a display unit, so that the user judges whether the operating result of the robotic arm system is successful through the display unit.

Abstract: A method and a trajectory generator are provided which automatically generate a trajectory, which is converted into control signals (sd) for the purpose of controlling a drive system. The control signals (sd) are used to control actuators of the drive system to carry out the movement according to the calculated trajectory. The method is implemented on a microcontroller (?C) and has a very short runtime and a low memory requirement.

Abstract: The present disclosure provides a robot control method, apparatus and a storage medium with the same. The method includes: obtaining a serial number and a rotational angle parameter of a first servo corresponding to a preset motion frame portion of a first motion; obtaining a serial number of a second servo located symmetrical to the first servo; receiving an instruction for mirroring the preset motion frame portion; performing a preset mirroring processing on a rotational angle parameter of the second servo according to the instruction; and storing the mirrored rotational angle parameter in a motion frame portion of a second motion; performing the first motion and the second motion. In the above-mentioned manner, the difficulty in adjusting the motion frame in the mirroring operation of the robot is largely simplified, and the accuracy and efficiency of the mirroring operation are improved.

Abstract: A tool calibration apparatus includes a first measuring device, a second measuring device, a third measuring device, a fourth measuring device and a fifth measuring device. The first measuring device includes a first measuring surface, a first measuring edge and a sensor. The second measuring device includes a second measuring surface, a second measuring edge and a sensor. The third measuring device includes a third measuring edge and a sensor. The fourth measuring device includes a fourth measuring edge and a sensor. The fifth measuring device includes a third measuring surface and a sensor. The first measuring surface, the first measuring edge and the third measuring edge are movable in an X-axis direction. The second measuring surface, the second measuring edge and the fourth measuring edge are movable in a Y-axis direction. The third measuring surface is movable in a Z-axis direction.

Abstract: A shank-fastener apparatus comprises a shank-fastener housing, a shank-fastener turret, an indexing-pin assembly, a drill, and a shank-fastener delivery assembly. The shank-fastener turret is supported by the shank-fastener housing and is selectively rotatable relative to the shank-fastener housing about a shank-fastener-turret rotation axis (A). The indexing-pin assembly is supported by the shank-fastener housing and is selectively movable relative to the shank-fastener housing between an indexing-pin-assembly extended position and an indexing-pin-assembly retracted position along an indexing-pin-assembly axis (B) that is parallel to the shank-fastener-turret rotation axis (A). The drill is supported by the shank-fastener turret and is selectively movable relative to the shank-fastener turret along a drill axis (C) that is parallel to the shank-fastener-turret rotation axis (A). The shank-fastener delivery assembly also supported by the shank-fastener turret.

Abstract: A robot system including at least one robot arm and a control unit which is designed such that it can pre-set at least one pre-defined operation carried out by the robot system. The robot system also includes a display device and at least one input device applied to the robot arm, which is designed such that the sequence of operations of the robot system is set and/or the pre-defined operations of the robot system is parameterized by means of the input device, and which is also designed such that it allows the user to control, on a graphic user interface, represented by the control unit on the display device, the setting of the pre-defined operations of the robot system, the setting of the sequence of operations and/or the parameterization of the pre-defined operations for the robot system.

Abstract: A robot sets a cool point as a movement target point, and specifies route coordinates and coordinates for reaching the cool point. The robot moves to the cool point via the route, which is of a lower temperature. The robot searches for the cool point by referring to a temperature map showing a temperature distribution in a range in which the robot can move. Also, the robot compiles and updates the temperature map by measuring peripheral temperature as appropriate using a thermometer incorporated in the robot.

Abstract: A retrieval device for retrieving items within a confined space with limited access, said device comprising: (a) an elongated body having a front and rear and a longitudinal axis; (b) a clamping mechanism comprising at least a set of jaws disposed at said front, said jaws being configured to actuate between closed and open positions, said clamping mechanism also comprising at least one actuating member connected to said jaws and at least partially disposed in said body; (c) an actuator laterally offset from said axis and beside said at least one actuating member, said actuator operatively connected to said at least one actuating member to actuate said jaws between said closed and opened positions; and (d) at least one camera disposed proximate said motor and offset from said axis, said at least one camera having a field of view of at least a portion of said jaws.

Abstract: The present disclosure relates to a low mass system for releasably securing a robotic arm to a spacecraft and also securing various payloads to the robotic arm and to each other, permitting the robotic arm to be both moved from one location to another suitably equipped location on a spacecraft to another and to allow the free end of the robotic arm to be secured to any payload also similarly equipped such that this payload may be manipulated by the robotic arm.

Abstract: An attaching-detaching mechanism (23, 63) of a gripping device includes: a tubular support member (44, 84) provided to a movable member (3, 4) to protrude in the guide hole (24, 64); engagement members (46, 86) respectively inserted in support holes (45, 85) of the support member (44, 84) so as to be radially movable; an operation portion (49, 89) inserted in a guide hole (24, 64); wedge portions (50, 90) provided on an inner peripheral wall of the operation portion (49, 89); a connecting rod (53, 93) provided to protrude from a claw member (22, 62) and configured to be insertable into a tubular hole (51, 91) of the support member (44, 84); and a lock portion (56, 96) provided on an outer peripheral wall of the connecting rod (53, 93).

Abstract: A knife having a double-sided ball slide knife blade locking mechanism includes a blade pivotally attached to a handle, the blade having a pair of large circular indentations formed on opposite lateral sides of the blade, and also having a pair of small circular indentations formed on opposite lateral sides of the blade. The knife handle has handle scales attached to opposite sides of the knife blade. Each of a pair of detent elements are positioned intermediate the handle scales and knife blade on both sides of the blade, and positioned such that the detent elements will mate with the indentations. Each of a pair of spring-loaded sliding detent release shafts are mounted within the handle scales and have a tapered interior side configured to wedge between the detent element and a detent housing cover to temporarily lock the detent elements in place within the indentations.

Abstract: An out the front (OTF) knife, including a handle, a blade slider mechanism, and a blade. The blade slider mechanism including: a liner having a longitudinal central channel and a first outer surface and a second outer surface opposite the first surface; a tang portion of the blade configured to ride along the first outer surface; and a slider coupled to the tang and having a portion configured to travel in the central channel of the liner and one or more portions configured to ride along the second outer surface, and wherein the liner is slideably captured between tang and the slider.

Abstract: An electrically operable clipper has a body portion and a head portion, wherein the head portion includes a movable cutter and a fixed comb. The clipper includes an internally located electric motor operable to move the movable cutter. The clipper further includes an operating switch movable between an off position, an operating position and a reset position, wherein the reset position operates a motor reset module of the clipper.

Abstract: A cutting member (1) for a shaving cartridge includes a front side, a back side opposing the front side, and a flat cutting portion (2) with a cutting edge portion (4). Further the cutting member includes a first bent portion (8), an intermediate portion (11), a second bent portion (9) and a base portion (10) that are made out of one single piece of material. The first bent portion is integral with the flat cutting portion. The first bent portion is convex on the back side of the cutting member, and the second bent portion is concave on the back side of the cutting member. The proposed shape of the cutting member resembles an “S” shape or a question mark shape.

Abstract: A tube cutter includes a main body, a holder slidably mounted on the main body, a guide bolt rotatably mounted on the main body and locked onto a lower portion of the holder to drive and move the holder forward or backward by rotation of the guide bolt, and a driving handle removably mounted on the guide bolt to drive and rotate the guide bolt, and to enhance the torque of the tube cutter.

Abstract: A setting unit for producing a stripping tool with stripping pins (16) and/or stripping claws (15) the unit includes a base plate (10), which has a stripping pin insertion unit (28) and a stripping claw insertion unit (29), wherein the stripping pin insertion unit (28) interacts with a first plunger unit (21) and the stripping claw insertion unit (29) interacts with a second plunger unit (22). A pressure plate (3) is to be arranged between the base plate (10) and a head plate (2). The pressure plate (3) is movable between the base plate (10) and the head plate (2). The pressure plate has at least four passages (33, 33.1, 33.2, 34, 34.1, 34.2). At least one of the passages (33, 34) can be closed means of a pivoting module (6), whereby the first plunger unit (21) and/or the second plunger unit (22) can be activated.

Abstract: The invention relates to a guide sleeve for a machine tool for the automated placement of stripping claws, wherein a receiving slot (2) is provided at one end and a solid material base (4) is provided at the other end, and wherein a machine-tool stop (3) is positioned between the receiving slot (2) and the solid material base (4). The guide sleeve is characterised in that the receiving slot (2) is an elongate hole.

Abstract: A workpiece transportation system includes a machining palette that is able to move while holding a cut workpiece including a product and the remainder; a supporter that receives the workpiece from the machining palette and supports the workpiece; a suction attacher disposed on the supporter and attaches by suction to at least the product in the workpiece supported by the supporter; and a gripper that separates the remainder from the product attached to by suction by the suction attacher.