Abstract: A portable welding ground clamp attachment system used to attach a welding ground clamp (also called a work clamp or work cable) of an arc welder to a workpiece to be welded. The system is particularly useful in establishing positive connections between a work cable and extended lengths of pipe.

Abstract: A method of manufacturing an airfoil includes the steps of depositing multiple layers of powdered metal onto one another. The layers are joined to one another with reference to CAD data relating to a particular cross-section of an airfoil. The airfoil is produced with leading and trailing edges joined by spaced apart pressure and suction sides to provide an exterior airfoil surface. An exterior wall provides the exterior airfoil surface at the leading edge. An impingement wall is integrally formed with the exterior wall to provide an impingement cavity between the exterior wall and the impingement wall. Multiple impingement holes are provided in the impingement wall. The impingement holes are spaced laterally across the impingement wall.

Abstract: The present invention relates to a transport device for a milling unit of a road milling machine, the milling unit comprising a milling drum box and a milling drum. Essential elements of the transport device include a support frame, a rotating device and a transport vehicle connector. The present invention further relates to a transport vehicle with a carrier vehicle and a transport device, as well as a method.

Abstract: A method for manufacturing an annular member includes: a cylindrical member forming step of forming a cylindrical member with an annular shape from a round bar material; and a cutting and separating step of cutting and separating the cylindrical member over an axial direction of the cylindrical member while rotating the cylindrical member, the cylindrical member being cut and separated by a shear force obtained by restraining molds, which apply an urging force to an outer circumferential surface of the cylindrical member, and by a restraining mold, which is provided with a gap on the outer circumferential surface of the cylindrical member, among a plurality of restraining molds provided on an inner circumferential surface side and an outer circumferential surface side of the cylindrical member along the axial direction, to obtain a plurality of annular members.

Abstract: The ball socket assembly includes a housing with an open interior which extends along an axis. A bearing is disposed in the open interior of the housing and has a curved primary contact surface which surrounds the axis and surrounds a stud ball opening. A stud ball is disposed in the opening and is in sliding contact with the primary contact surface for allowing rotation of the stud ball relative to the bearing. The stud ball has an equator and is in sliding contact with the bearing on both sides of the equator. A stud is operably connected with the stud ball. A shoe is further provided and has a pair of supplemental contact surfaces that are biased against the stud ball. The shoe provides the stud with a predetermined rotational torque and also adjusts for wear in the assembly to maintain the performance of the socket assembly.

Abstract: A mounting apparatus for a recoater rail of an additive manufacturing machine includes: a bracket including: a body having first and second ends; first and second flanges extending from the first and second ends respectively, the body and flanges cooperatively forming a C-shape; a first jack screw mounted to the first flange, the first jack screw extending parallel to the body; and a second jack screw mounted to the second flange, the second jack screw extending parallel to the body.

Abstract: A two-piece barrel nut includes an internal nut with an externally threaded portion on one end and a plurality of engageable members on the opposite end, and an external nut with an internally threaded portion on one end that receives the externally threaded portion of the internal nut and one or more receptacles on the other end that each may receive a fastener that engages at least one of the plurality of engageable members on the internal nut to lock the external nut to the internal nut. A method for using the barrel nut to attach a barrel to a firearm is also disclosed.

Abstract: A pre-buck apparatus for a vehicle body assembling system comprises a pre-buck section and a main buck section that are set along a transfer path of a floor assembly. The pre-buck apparatus is formed in the pre-buck section, and while the side assembly is disposed in each of opposite sides of the transfer path in the pre-buck section, the pre-buck apparatus controls a lower portion of the side assembly, and the lower portion of the side assembly is pre-assembled to the floor assembly using a first welding robot.

Abstract: A tool arm mount couples a tool arm to an aerial work platform. The tool arm mount includes a first mounting hook that hangs on a first rail of the aerial work platform and a second mounting hook that hangs on a second rail of the aerial work platform. The first mounting hook defines a first channel in which the first rail is received, and the second mounting hook defines a second channel in which the second rail is received. The first and second mounting hooks are coupled to a spine of the tool arm mount. The tool arm mount also includes a first lock that locks the first mounting hook to the first rail.

Abstract: A forged crankshaft production method includes a first preforming step, a second preforming step, and a final preforming step. The first pair of dies includes web processing parts to come into contact with portions to be formed into arms and portions to be formed into weights integrated with the arms. Each of the web processing parts includes an arm processing part and a weight processing part. The arm processing part and the weight processing part form a recessed portion, and the width of the open side of the weight processing part becomes greater with increasing distance from the bottom of the recessed portion. Accordingly, in the blank, volume can be distributed between a portion to be formed into an arm and a portion to be formed into a weight integrated with the arm, and the material yield rate can be improved.

Abstract: A machine tool for processing workpieces includes a processing device from which processed products to be discharged can be produced from a workpiece; and a discharge device including a discharge flap that can be pivoted into a discharge position inclined downwards relative to a horizontal position in order to discharge processed products and which defines a discharge direction in the discharge position, the discharge flap comprising a part support disposed along the upper side of the discharge flap along which the processed products move during discharge in the discharge direction, where the part support has at least two support regions which extend in the discharge direction and which are configured to accommodate different types of processed products.

Abstract: A staple includes a length of metal wire shaped to form a crown and two spikes. Each spike depends from a respective end of the crown and includes a shoulder at each end of the crown, a sharpened tip portion and an elbow interposed between each tip portion and shoulder, the elbow comprised of a proximal limb and a distal limb such that the tip portions depend from respective distal limbs. An included angle between each shoulder and the crown is between about 91° and 96°, an included angle between each proximal limb and the crown is between about 60° and 85° and an included angle between each distal limb and the crown is between about 95° and 130°.

Abstract: A system and method for disassembling a multiple contact probe head including a plurality of contact probes positioned by a first die at a first end of the plurality of probes and a second die at a second end of the plurality of probes, are provided. The system may include a manifold configured to sealingly receive an opposing side of the first die from the second die; and a vacuum source operatively coupled to the manifold to apply a vacuum to an interior of the manifold applying a force to the plurality of contact probes in position in the first die across. Where the probes include a paramagnetic material, a magnetic source may be employed to hold the probes during disassembly.

Abstract: A printed substrate holding device includes: a base member including a recess portion including: a bottom portion; and a side wall portion provided in the bottom portion; and a printed substrate held in the recess portion and having a rigidity, wherein the side wall portion includes a holding portion holding a first surface of the printed substrate, the bottom portion includes a supporting portion supporting a second surface of the printed substrate, the printed substrate slides on the bottom portion and is inserted between the supporting portion and the holding portion, and is held in the recess portion, and the printed substrate is held in the recess portion while being bent.

Abstract: A method of producing plate springs for a railcar bogie, the plate springs each extending in a car longitudinal direction and elastically supporting a cross beam while being supported by an axle box in the railcar bogie, the axle box accommodating a bearing for an axle, the method includes: a molding step of molding a mother plate made of fiber-reinforced resin, the mother plate including a layer made of continuous fibers oriented in a first direction when viewed from a normal direction of a main surface of the mother plate; a cut position determining step of determining positions of a plurality of parallel cut lines for cutting the mother plate along the first direction; and a cutting step of cutting the mother plate along the plurality of cut lines to take out the plate springs made of the fiber-reinforced resin.

Abstract: According to an embodiment, an extraction device includes an elastic body, first and second pressing units, and a pulling unit. The elastic body includes a first end facing a first direction, a second end, and a contact face facing a second direction intersecting with the first direction. The elastic body can expand in the second direction. The first and second pressing units press the first and second end. The pulling unit pulls the second pressing unit toward the first direction. The contact face comes into contact with an object when the elastic body compressed by pressing forces of the first pressing unit and the second pressing unit expands in the second direction. The pulling unit pulls the object with friction between the object and the contact face when the pulling unit is pulled in the first direction while the contact face of the elastic body is in contact with the object.

Abstract: A work surface is provided. More particularly, a work surface that is portable, and that when deployed provides a relatively stable platform is disclosed. The work surface includes at least two horizontal tracks running parallel to a top surface, and one or more vertical tracks running parallel to the legs of the work surface. The horizontal tracks are configured to receive one or more clamps or various accessories, such as crosscut accessories. The crosscut accessories can include provisions for accurately securing a saw guide and a work piece to the work surface. In addition, an accessory stand can be connected to the work surface to allow various tools to be operatively connected to the work surface.

Abstract: The invention relates to a method for mounting at least one decorative element (3) on a support (2) comprising the steps of: a. taking a support (2) provided with at least one cavity (4); b. taking at least one decorative element (3); c. filling said cavity with a composite filler material comprising at least one metal powder and at least one organic binder and having, at the moment of filling, a viscosity comprised between 1,000 mPa·s and 1,000,000 mPa·s; d. heating the composite filler material to a higher temperature than its melting point to make it liquid; e. allowing the filler material to cool to form a substrate (6); f. making at least one housing (8) in said substrate (6); g. mounting said decorative element (3) in said housing (8).

Abstract: A method for producing heat exchangers having at least two fluid circuits each having channels, including the following steps: producing one or a plurality of elements of a first fluid circuit, each element having at least two metal plates, at least one of which has first grooves; stacking the at least two metal plates of each element in such a way that the first grooves form the channels of the first circuit; assembling each element of the first circuit by diffusion welding between the two stacked metal plates; producing one or a plurality of elements of at least one second fluid circuit, each element of the second circuit having at least a portion of the channels of the second circuit; assembling, either by diffusion welding, or by brazing, or by diffusion brazing between the element or elements of the first circuit and the element or elements of the second circuit.

Abstract: The invention relates to a method of manufacturing a pipe segment for a link tube between the sea floor and a petroleum drilling rig disposed on the sea surface, wherein it consists in: providing a transport pipe segment that is resistant to open-sea conditions; disposing a female bayonet-piece around one reinforced end of the transport pipe segment; welding or otherwise bonding a narrower portion of the bayonet-piece to said reinforced end; disposing an insulator around the transport pipe segment and around the bayonet-piece; inserting the transport pipe segment into an outer wall segment; welding or otherwise bonding a narrower portion of the outer wall segment to the other reinforced end of the transport pipe segment; disposing a cover-piece around the bayonet-piece; welding or otherwise bonding the cover-piece to the outer wall segment and to the bayonet-piece; it being possible to apply tightening torque to the outer wall segment and to transmit it to the transport pipe segment.