Abstract: Provided are cleaning devices adapted for a microwave oven. A head cap of the cleaning device includes multiple through holes, and thus steam generated by heating a cleaning liquid can flow out of the through holes in a faster and more concentrated mode. Using the cleaning device of this disclosure, the cleaning operation for the microwave oven is more convenient, and safety hazard such as explosion or splashing is also prevented as well.

Abstract: A flow assurance system and method includes procedures to query current valve states and determine the likely effect of new valve states on product flow when using an automated pig launcher. The system and method allows for modulating the mainline bypass valve, kicker valve, and isolation valve between fully opened and fully closed states; prevents flow blocking of the pipeline during this modulation; enables new and different, as well as a broader range of, pig launching options for an automatic pig launcher; and integrates with existing automatic pig launchers.

Abstract: A spacer for adjusting the width between rollers of roller tooling for machines operable to form metal products has an annular male member with lateral bosses and an annular female member having different depth pockets accommodating the bosses to adjust the combined width of the male and female members.

Abstract: Apparatuses, systems, and methods for manufacturing grooved wire are provided. A set of rollers may form grooves on an outermost surface of a wire along an axial distance of the wire. The set of rollers may include a first roller and a second roller. The first and second roller may include groove-fabricating portions aligned circumferentially around a radial face of each of the rollers. The first roller and second roller, via the groove-fabricating portions, may form grooves on the outermost surface of the wire along the axial direction of the wire.

Abstract: An apparatus for manufacturing a multi-layer pipe is provided. The apparatus includes a ram extruding a matrix pipe, which is formed by inserting one or more insert pipes having different diameters into a receiving pipe, with a constant compression force, a heat-treatment unit heat-treating the matrix pipe extruded from the ram, and a drawing unit drawing, with a constant drawing force, the matrix pipe passing through the heat-treatment unit into a multi-layer pipe having a predefined diameter.

Abstract: A winding machine (100; 100a, 100b) for wrapping strands of rolled material, such as a bar, a rod, wire or the like, around a reel into coils: a reel (50; 50a, 50b); a base flange (1) defining a first catching recess (6) intended to receive an end of a first strand (17; 17a, 17b); a first cover (9) movable between an open position leaving the first catching recess (6) exposed and a closed position covering the first catching recess (6) to form a closed passage for the end of the first strand (17; 17a, 17b) in order to secure the end of the first strand to the reel (50; 50a, 50b). At least a second element (2) defining a second catching recess (4); and at least a second cover (8) movable between an open position leaving the further catching recess (4) exposed and a closed position covering the second catching recess (4) to form a closed passage for the end of a second strand (27; 27a, 27b) in order to secure the end of the second strand to the reel (50; 50a, 50b).

Abstract: A metal stamping tool includes a hybrid magnetorheological-nitrogen spring including a housing having an interior wall defining an interior volume. A fixed divider separates the interior volume into a nitrogen gas chamber and a magnetorheological fluid chamber. A piston extends into both the nitrogen gas chamber and the magnetorheological fluid chamber. The piston defines a magnetorheological fluid gap within the magnetorheological fluid chamber. An electric coil positioned adjacent the fluid gap to apply a magnetic field to magnetorheological fluid within the fluid gap when the electric coil is energized.

Abstract: A method for producing a forming tool having a forming punch and a mating die corresponding to the forming tool for forming a substrate is provided, which includes the steps of preparing at least the forming punch of the forming tool from a light metal and forming a protective coating on at least one region on a surface of at least the forming punch of the forming tool. The protective coating is applied to a region that is configured to contact the substrate, and in one form, the light metal is aluminum or an aluminum alloy. A forming tool having a forming part and a mating die is also provided, in which at least the forming tool is made from a light metal and includes the protective coating.

Abstract: A method for forming a hem by roller hemming may involve providing a first component with a flange portion having an edge and a second component, and producing a hem that connects the first and second components. The hem may be produced by a roller-hemming head that comprises a rolling edge and maneuvers essentially along the flange portion relative to the first component. The object of specifying a method for forming a hem by roller hemming, wherein the formation of wrinkles in the hem flange can be easily reduced or avoided, can be achieved, in the case of a method of the type in question, in that the rolling edge of the roller-hemming head, at least in part, takes up position on, and maneuvers along, the flange portion, and does so at a spacing from the edge of the flange portion.

Abstract: A method for producing a clamping ring in which pins that protrude in the region of or near a ring contour are formed on the top and bottom surfaces of a flat sheet metal material and after the ring contour is cut out, burrs that are produced during the cutting are removed by a deburring process. Advantages for the machining of the clamping ring are achieved if before a finish cutting by a complete cutting-out of the ring contour that is carried out from the one side of the flat sheet metal material, the ring contour is partially cut out from the other side in the vicinity of or near the pin protruding from this other side.

Abstract: In the invention, a joining means having a ram tool, a countertool and a holder with an opening to accommodate the ram tool or the countertool, is described. The two tools are arranged coaxial with each other at different ends of a C-bracket. The holder comprises at least one plane contact surface arranged on the outer surface of the holder, resting in contact with at least one plane face of the corresponding end of the C-bracket and detachably fastened thereto. Between the contact surface and the face, at least one interlay is arranged, determining the information and/or the distance of the contact surface from the face.

Abstract: The present disclosure generally relates to casting molds including a casting core comprising an outer shell mold surrounding at least a portion of a casting core and a casting core comprising a second metal skin layer around a first metal component. In one aspect, at least one portion of the first metal component may be exposed on a surface of the outer shell mold. In another aspect, the outer shell mold may be configured to define a cavity in the casting core when the first metal component is removed and the second metal skin layer is not removed.

Abstract: The present disclosure generally relates to casting molds including a casting core comprising a first metal component and a second metal component. In an aspect, the first metal component has a lower melting point than the second metal component. In another aspect, the second metal component surrounds at least a portion of the first metal component and defines a cavity in the casting core when the first metal component is removed and the second metal component is not removed.

Abstract: The present disclosure generally relates to investment casting molds comprising a casting core comprising at least one graded core component, the graded core component comprising at least one graded transition between a first core material and a second core material.

Abstract: In production of a reactive metal using a melting furnace for producing metal having a hearth, ingots can be efficiently produced by efficiently cooling the ingots extracted from the mold provided in the melting furnace. In addition, an apparatus structure in which multiple ingots can be produced with high efficiency and high quality from one hearth, is provided. A melting furnace for producing metal is provided, the furnace has a hearth for having molten metal formed by melting raw material, a mold in which the molten metal is poured, an extracting jig which is provided below the mold for extracting ingot cooled and solidified downwardly, a cooling member for cooling the ingot extracted downwardly of the mold, and an outer case for keeping the hearth, the mold, the extracting jig, and the cooling member separated from the air, wherein at least one mold and extracting jig are provided in the outer case, and the cooling member is provided between the outer case and the ingot, or between the multiple ingots.

Abstract: A molding machine for molding material is provided. The machine includes a cavity to be filled with molten metal and a conduit system leading to the cavity, thus forming a system of interconnected hollow spaces. At least one pressure member is moveable in at least part of the conduit system. A centrifugal pump in fluid communication with a reservoir of molten metal is provided, the pump providing molten metal to the hollow space receiving the at least one pressure member.

Abstract: A near net shape medical device is described that is formed from a metal alloy mixture containing NiTiHf using additive manufacturing techniques. The medical device is aged to a desired ultimate tensile strength (UTS), presence of H-phase precipitate with an Af below body temperature.

Abstract: Surface and sub-surface defects are removed during additive manufacturing. After a layer of an object is formed in a powder bed, a portion of the layer is removed while the object is in the powder bed to remove surface and or sub-surface defects. The removal step may be performed on a layer-by-layer basis. A directed energy beam or tool may be used to remove a shallow object-powder interface portion of the layer, or a deeper skin portion of the layer. In this way, the completed object may be removed from the powder bed substantially free of surface roughness and sub-surface defects.

Abstract: An apparatus comprising a control unit configured for applying a first powder layer on a work table; directing a first energy causing said first powder layer to fuse in first selected locations to form a first cross section where said first energy beam is fusing a first region with parallel scan lines in a first direction and a second region with parallel scan lines in a second direction; fusing at least one of the scan lines in said first region in said first direction immediately before fusing at least one of said scan lines in said second region in said second direction; applying a second powder layer and directing the energy beam causing said second powder layer to fuse in second selected locations where the energy beam is fusing said first region with parallel scan lines in a third direction and said second region in a fourth direction.

Abstract: An apparatus comprising a control unit configured for applying a first powder layer on a work table, directing a first energy beam from a first energy beam source over said work table causing said first powder layer to fuse in first selected locations according to a corresponding model to form a first cross section of said at least one three-dimensional article, where said first energy beam is fusing a first article with parallel scan lines in a first direction, fusing a second scan line in said first direction in said first layer in said first article within a predetermined time interval after fusing a first scan line in said first article, wherein at least one intermediate scan line is fused within said time interval at another predetermined position and where said first and second scan lines are adjacent to each other.

Abstract: A composition for the additive manufacture of three-dimensional objects is provided. The composition includes a sinterable frit, a protein binder, and an aqueous-based solvent.

Abstract: A mold for producing a green compact using powder metallurgy processes has an upper punch and a lower punch which are movable along a common press axis and a die body with a charging chute for receiving powder material. The die body has an upper region in which the upper punch is movably guided along the press axis in the charging chute, and a lower region in which the lower punch is movably guided along the press axis in the charging chute. Two cross slides realize a forming region which determines the lateral outside contour of the green compact, and are arranged on the die body so as to be displaceable in a direction which deviates from the press axis. The two cross slides only move into contact with one another when the two cross slides are arranged in their respective end position.

Abstract: The present disclosure generally relates to casting molds including a casting shell surrounding at least a portion of a casting core comprising a first metal component and a hot isostactic pressed second metal component around the first metal component. In one aspect, the first metal component may have a lower melting point than the second metal component. In another aspect, the second metal component may retain some metal powder grain structure.

Abstract: A method for the manufacture of a component of defined geometry from two or more materials using a powder bed ALM process includes providing a bed of a first powdered material, selectively fusing portions of the first powdered material to build up a first three dimensional portion of the component geometry and fusing a powder containment bund from the first material to contain unfused first powdered material. A bed of a second powdered material is deposited onto the powder containment bund and selectively fused to build up a second three dimensional portion of the component geometry. Unfused first powdered material can subsequently be removed from a first side of the bund and unfused second powder from a second side of the bund. Remaining parts of the bund which do not form part of the defined geometry of the component can be removed to provide the net shape component.

Abstract: Described herein are methods of synthesizing metal nanoparticles and the metal nanoparticles synthesized therefrom. Further described in the present disclosure are methods of modifying the surfaces of metal nanoparticles and the metal nanoparticles modified thereby. Also described herein are uses of such metal nanoparticles.

Abstract: A method of making a transparent conductive material includes: preparing a reactive solution that contains a solvent, a metal salt which is dissolved in the solvent, and a powder of graphene oxide which is dispersed in the solvent; and simultaneously reducing metal ions of the metal salt and the graphene oxide in the reactive solution to form a plurality of core-shell nanowires, each of which includes a core of a metal reduced from the metal ions, and a shell of graphene surrounding the core.

Abstract: A coated tool is, for example, a cutting tool which is provided with a base material and a coating layer located on the base material, wherein a cutting edge and a flank surface are located on the coating layer, the coating layer has a portion in which at least a titanium carbonitride layer and an aluminum oxide layer having an a-type crystal structure are laminated in this order, and, with regard to a texture coefficient (Tc) (hkl) which is calculated on a basis of a peak of the aluminum oxide layer analyzed by an X-ray diffraction analysis, a texture coefficient (Tc1) (146) as measured from a surface side of the aluminum oxide layer in the flank surface is 1 or more.

Abstract: Devices, systems and methods for holding devices, including tool holders and/or associated apparatus, that can be attached to various driving mechanisms. Various embodiments can include one or more canted, or slanted, coil springs that are capable of forming to various shapes by the application of a controlled force.

Abstract: A device for coupling and centering tools has a tubular portion with a coupling seat laterally delimited by a cylindrical centering surface, a first threaded hole with a first tightening dowel projecting into the coupling seat, a second threaded hole with a second tightening end projecting into the coupling seat, a third hole tangential to the centering surface and a locking pin removably lockable in the third hole in a position interfering with the coupling seat, and removable from the third hole to free the coupling seat.

Abstract: A high-speed tool holder includes: a tool shaft for accommodating a tool at its first end, and a machine clamping part which is integrally connected to the tool shaft and forms an interface for clamping in the machine; with the tool shaft being substantially truncated circular cone-shaped, a first diameter at the first end with the tool insertion opening being smaller than a fifth diameter at the second end at the machine clamping part; and a portion of the substantially truncated circular cone-shaped tool shaft having an outwardly bulging, preferably spherical, shape between the tool insertion opening and the machine clamping part.

Abstract: A positioning device for drilling tools of various sizes contains: a body and an accommodation case. The body includes an inserting portion with at least one positioning structure configured to insert drilling tools of various sizes. The body also includes at least one mounting set configured to mount the body on a working face, an inlet defined on a top thereof, and a channel defined in a bottom thereof and communicating with the inlet and the inserting portion. The accommodation case is configured to accommodate coolant and includes an outlet formed on a first end thereof and an air hole arranged on a second end thereof. Between the accommodation case and the body is defined a connection structure configured to connect the accommodation case with the elongated plate and to align the outlet of the accommodation case with the inlet of the body.

Abstract: A saw wire to cut hard and brittle materials is disclosed that comprises a steel wire that is provided with bends with segments in between. The average degree of bending of the bends is between 0.5% and 5%. Such a saw wire has a higher breaking load compared to saw wires having a conventional, higher average degree of bending. A method to measure the curvature is described as well as a process to make the inventive saw wire. The invention is applicable to any shaped saw wire for example a single crimped saw wire, a saw wire with at least two crimps in different planes, a saw wire with crimps rotating in a plane.

Abstract: A method of selective laser brazing is provided. The method includes providing a powder including a plurality of parent core particles and a plurality of braze particles, setting a temperature of an energy source, applying the energy source to the powder, and allowing the heated powder to solidify. The plurality of parent core particles are fused together by the plurality of braze material into a desired component.

Abstract: A method of manufacturing a semiconductor package including coating a flux on a connection pad provided on a first surface of a substrate, the flux including carbon nanotubes (CNTs), placing a solder ball on the connection pad coated with the flux, forming a solder layer attached to the connection pad from the solder ball through a reflow process, and mounting a semiconductor chip on the substrate such that the solder layer faces a connection pad in the semiconductor chip may be provided.

Abstract: Control panels for welding systems are disclosed. An example power system for a vehicle includes a generator to generate electrical power and to be installed on the vehicle; a first case component configured to be attached to a surface of the vehicle; and a second case component configured to be attached to the first case component to form an enclosure, the second case component comprising: a user control device configured to receive a user input for controlling an output of the generator; and an electrical output configured to output at least a portion of the electrical power generated by the generator.

Abstract: A welding system and method is provided which moves a welding consumable during a welding operation, where the consumable is moved downstream of the welding contact tip during welding. A wire manipulation device is provided which causes the consumable to move after it has left the contact tip and before the consumable reaches the weld puddle of the welding operation. The consumable can be moved in different patterns during welding and the welding process parameters, such as wire feed speed, etc. can be changed based on the movement of the wire.

Abstract: Embodiments of the present invention are wire feeders and wire feeder cable connections which include a power block portion, a cable connection portion and a liner guide assembly portion. The liner guide assembly portion and power block portion are structured and assembly so that a liner guide can be removed from a welding cable from inside the wire feeder, without removing the cable connector from the wire feeder.

Abstract: A plasma computer numerically controlled (CNC) cutting machine is controlled by a computer such as a personal computer capable running an operating system and software programs. In an embodiment, the computer executes a CNC program to control movement of a plasma torch to cut parts from a workpiece while a spectrometer determines an emissions spectra of light emitted as the torch cuts the workpiece. The spectrometer cooperates with software running on a computer to analyze the metal as it is being cut by the CNC cutting machine and determine a composition. In embodiments, the composition is compared to an expected composition and saved in a database with identifying information; in a particular embodiment the database is queried to provide identifying information of metal having similar composition to the workpiece.

Abstract: A spot welding process which uses a metal insert as an insert between the sheets to be welded which belongs to the field of industrial welding, in order to prevent the presence of mark or indentation on the surface of the welds. After the welding process, as the metal insert material melts and dissolves between the overlapped sheets, the state of the art does not provide for the use of metal insert as an insert between the sheets, the spot welding process with insert between (2), made of metal powder or solid metal, which is introduced between the interfaces of the sheets (3) to be welded by the spot welding process, the insert (2) (3), by inert adhesive (4) or other material and process which performs this function, wherein during the melting process the metal insert (2) melts and dilutes together with the base material, i.e. the opposing metal plates (3).

Abstract: Example systems may include an energy source, a material delivery device, and a computing device. The computing device, based on a target height of a layer deposited on a component by directed energy deposition, may control an energy source directed at a component and may control a material delivery device. Controlling the energy source may include advancing an energy beam along a first path to form an advancing molten pool on the component. Controlling the material delivery device may include delivering a material to the advancing molten pool. The material may combine with the advancing molten pool to form a first raised track having an actual height. The layer may include the first raised track. A deposited region of the component may include the layer. The actual height may affect a resultant microstructure within the deposited region.

Abstract: A specially designed sonotrode and anvil are adapted to be used in combination for ultrasonic welding of work pieces, to produce a narrower weld region, but one exhibiting greater durability, thereby permitting use of less packaging material. The contact surfaces comprise a surface of the anvil having a plurality of energy directors, where the plurality of energy directors are arranged into a three-dimensional grid pattern to be capable of distributed vibration-transmissive contact. The energy directors may comprise a series of plateau surfaces being regularly spaced apart from each other in a first direction, and in a second direction that is orthogonal to the first direction, to form the grid pattern. The rectangular-shaped plateaus may be spaced apart by valleys. Engagement of the energy directors of the anvil with the corresponding surface of the sonotrode may cause minor elastic deformation of work pieces positioned therebetween prior to ultrasonic welding.

Abstract: A method for friction welding of inter alia coarse grain superalloy components, involving conditioning a shear zone of components to be welded by; a) pre-determining temperature profile for which the material of the shear zone of the components approaches viscoplasticity but does not undergo undesirable phase transformations, b) introducing friction at one or both surfaces of the components to be welded to provide a pre-defined quantum of energy sufficient to generate a peak temperature of the temperature profile at that surface whilst simultaneously applying pressure to the surfaces which is below a pressure which will cause upset at the surface, c) withdrawing the friction and/or pressure allowing the heat to disperse by conduction through the shear zone; d) after the temperature at the surface falls below peak temperature, repeating steps b) and c); and repeating step d) as necessary until the pre-determined temperature gradient is achieved throughout the shear zone.

Abstract: A laser processing device having a function for efficiently starting laser processing, while eliminating an adverse effect due to a reflected laser beam from a workpiece. The laser processing device has: a reflected beam intensity detecting part for detecting an intensity of a reflected beam, which is a part of a laser beam irradiated from a laser oscillator and then is reflected by a workpiece surface; a beam intensity increasing part for continuously increasing an intensity of the irradiating laser beam over a predetermined period of time; a next process selecting part for selecting a content of a next process, based on a temporal change in the intensity of the detected reflected beam, during the intensity of the irradiating laser beam is increased; and an executing part for executing the next process subsequent to the laser processing, based on the selected content of the next process.

Abstract: Byproduct condensate generated during additive manufacturing is controlled by providing at least one electrode inside a chamber. The condensate may be electrically charged as it is generated or an electrical charge may be imparted to the condensate. The electrode may have either a positive or negative bias to either attract or repel the condensate. The electrode may be located on a wall of the chamber or associated with a transparent window through which a laser beam passes into the chamber.

Abstract: Multilayered brazing sheet material including an aluminium core alloy layer having a first brazing clad layer material on one face of the core layer and a second brazing clad layer material on the other face of the core material, and an inter-layer between the core layer and the first brazing clad layer material, wherein the core layer is 3xxx-series aluminium alloy having, in wt. %, up to 0.4% Si, up to 0.5% Fe, 0.4% to 0.75% Cu, 0.6% to 1.1% Mn, up to 0.04% Mg, up to 0.2% Cr, up to 0.25% Zr, up to 0.2% Ti, up to 0.15% Zn, balance aluminium and impurities, wherein the first brazing layer and the second brazing layer are 4xxx-series aluminium alloy having 7% to 14% Si and up to 2% Mg, balance aluminium and impurities, and wherein the inter-layer is aluminium alloy of the 1xxx-series alloys.

Abstract: Provided are a Cu ball, a Cu core ball, a solder joint, solder paste and foamed solder, which are superior in the impact resistance to dropping and can inhibit any occurrence of poor joints a junction defect. An electronic component 60 is constructed by joining a solder bump 30 of a semiconductor chip 10 to an electrode 41 of a printed circuit board 40 with solder paste 12, 42. The solder bump 30 is formed by joining an electrode 11 of the semiconductor chip 10 to the Cu ball 20. The Cu ball 20 according to the present invention contains purity which is equal to or higher than 99.9% and equal to or lower than 99.995%, sphericity which is equal to or higher than 0.95, and Vickers hardness which is equal to or higher than 20 HV and equal to or less than 60 HV.

Abstract: A manufacturing method of vapor chamber includes steps of: providing a first board body and a second board body; using mechanical processing to form a hooked section structure on one face of the first board body; using mechanical processing to form a hook section structure on one face of the second board body; and correspondingly mating the first and second board bodies with each other to make the hook section and the hooked section contact and hook and connect with each other and sealing the periphery of the first and second board bodies and vacuuming the first and second board bodies and filling therein a working fluid. According to the manufacturing method, the vapor chamber is manufactured without any additional support structure, but is still free from the problem of thermal expansion. Also, the vapor chamber can be thinned and lightweight.

Abstract: A system for extracting an assembly component from an assembly uses an extractor that applies a gripping force around a perimeter of the assembly component, a coupler that applies an extraction force to the extractor and a tensioner fastened to the coupler that generates the extraction force, the extraction force causing the assembly component to slide out of the assembly. The tensioner applies an extraction force to the extractor which pulls the assembly component from the assembly.

Abstract: A rotary-drive sub-assembly includes a tool and a tool retainer. The tool includes a fastener-engagement portion, a first threaded portion, and a tool-change-engagement portion between the fastener-engagement portion and the first threaded portion. The tool retainer includes a body and a retaining member. The body includes a symmetry axis, a second threaded portion, configured to be threadably fastened with the first threaded portion of the tool so that the tool is rotationally anchored relative to the body of the tool retainer about the symmetry axis and is translationally anchored relative to the body of the tool retainer along the symmetry axis, and a key, fixed relative to the second threaded portion. The tool retainer further includes a retaining member that is removably coupled to the body at a fixed location.

Abstract: A rotary-drive sub-assembly includes a tool and a tool retainer. The tool includes a fastener-engagement portion, a first threaded portion, and a tool-change-engagement portion between the fastener-engagement portion and the first threaded portion. The tool retainer includes a body and a retaining member. The body includes a symmetry axis, a second threaded portion, configured to be threadably fastened with the first threaded portion of the tool so that the tool is rotationally anchored relative to the body of the tool retainer about the symmetry axis and is translationally anchored relative to the body of the tool retainer along the symmetry axis, and a key, fixed relative to the second threaded portion. The tool retainer further includes a retaining member that is removably coupled to the body at a fixed location.