Abstract: The press device includes a press device body and moving bolsters. The press device body has a slide and a slide servomotor. The slide has upper dies attached thereto. The slide servomotor moves the slide up and down. The moving bolsters are able to move between a pressing position, which is a position on the inside of the press device body, and a die replacement position, which is a position on the outside of the press device body, and have lower dies disposed thereon. The moving bolsters have an electrical storage component, a travel motor, and wheels. The electrical storage component stores regenerative electrical power generated by the slide servomotor in the pressing position. Electrical power is supplied from the electrical storage component to the travel motor. The wheels are driven by the travel motor.

Abstract: Provided is a workpiece conveying apparatus including: two SCARA robots each including: a raising and lowering frame supported on a stationary frame so as to be movable in an up-and-down direction, the stationary frame being mounted to extend along a width direction orthogonal to a workpiece conveying direction of a passage space for conveying a workpiece; a first arm supported on the raising and lowering frame through intermediation of a first joint; a second arm held through intermediation of a second joint; a first arm driving mechanism configured to drive the first arm to rotate; and a second arm driving mechanism configured to drive the second arm to rotate; raising and lowering mechanisms arranged to correspond to the two SCARA robots, respectively, and configured to enable the corresponding raising and lowering frames to mutually independently move in the up-and-down direction; a cross arm; and a cross bar unit.

Abstract: A single piece pulsed flow wing assembly method providing for horizontal wing manufacture is accomplished using synchronized automated vehicles guided in a predetermined manner to move and, locate wing structure in a plurality of assembly positions. Multi-axis assembly positioning systems (MAPS) are used at each assembly position to support and index components in the wing structure and determinant assembly techniques are used for indexing of the components. Modular automated manufacturing processes employing magnetic assembly clamping, drilling, fastener insertion, and sealant application are employed.

Abstract: The invention relates to a tangential thread rolling head comprising two fork-like rolling head arms each rotatably coupled with a thread roll by an axle. The thread rolls respectively engage with a pinion and can be pushed laterally into an assembled position into the rolling head arms before installation of axles, in which one of the axles can be pushed into a bearing bore hole of the thread rolls. The thread rolls and the pinions have interacting catches that are configured such that each of the thread rolls can only be pushed laterally into the assembled position in a single defined rotary position.

Abstract: The invention relates to a tangential thread rolling head including two rolling head arms having a thread roll rotatably mounted on an axle. The thread rolls are configured to engage with a gear and be pushed laterally into an assembled position into the rolling head arms before the installation of the axles and the axles can be pushed into a bearing bore hole of the thread rolls. The two thread rolls have identical thread profiles that are offset with respect to each other when the thread rolls are in the assembled position.

Abstract: A method and apparatus for installing a fastener is provided. The apparatus comprises a plate system and an air system that is connected to the plate system. The plate system has a plurality of air passages and at least one opening. The air system directs air through the plurality of air passages, out of the opening, and in a selected direction substantially parallel to a surface of a structure into which a fastener is to be installed such that the air impinges on an exposed portion of a shaft of the fastener.

Abstract: The invention relates to a holding device for a test sheet (1), with a receiving arrangement (2) for engagement with the test sheet (1), a handle arrangement (3) connected rigidly to the receiving arrangement (2) for a user (4) for positioning the test sheet (1), and a pushbutton arrangement (5) for producing a switching signal on the basis of an actuation by the user (4).

Abstract: Provided is a casting method using lost foam capable of forming a small highly-finished hole with a diameter of 18 mm or less and a length of 50 mm or more by casting. A casting method using lost foam of the present embodiment includes the steps of embedding, in foundry sand, a casting pattern formed by applying a mold wash with a thickness of 1 mm or more to a surface of the foam pattern, the foam pattern having a hole with a diameter of D (mm); replacing the foam pattern with molten metal by pouring the molten metal into the casting pattern and losing the foam pattern; and forming a casting having a small hole with a diameter of 18 mm or less and a length of 50 mm or more by cooling the molten metal, and the method satisfies the following formulas (0) and (1): 2<D?19.7 ??Formula (0) ?c??0.36+140/D2 ??Formula (1) where ?c (MPa) is transverse rupture strength (bending strength) of the mold wash that is heated to decompose resin constituting the mold wash and then returned to room temperature.

Abstract: A stack molding pattern and a shell for manufacturing aircraft turbine engine blades via lost wax casting. The stack molding shell includes a plurality of shell blade elements, each intended for producing a blade, wire elements being arranged within the shell blade elements; and a metal feeder including a plurality of metal outlets, each one radially open towards one of the shell blade elements and connected with the second end portion of the element. The shell includes a protective screen, associated with each second end portion and intended to protect a sensitive portion of the wire elements against the direct impact of a flow of metal from the feeder. The sensitive portion is located in the second end portion, downstream from the protective screen.

Abstract: A method of casting an annular member is provided. The method includes preparing a sand mold. The method further includes clamping the sand mold between at least two plates. The method further includes rotating the sand mold. The method further includes introducing molten cast material into the sand mold during rotation of the sand mold.

Abstract: An injection system applied to a die casting machine includes a container module, a first mold module, a second mold module, and a pipe module. The container module includes a container casing member, and the container casing member has a material receiving space. The first mold module includes a first mold structure embedded inside the container casing member, a first inlet reinforcing structure disposed on the first mold structure and partially embedded inside the container casing member, and a second inlet reinforcing structure disposed on the first mold structure and partially embedded inside the container casing member. The second mold module includes a second mold structure. The pipe module includes a first pipe body connected between the first mold structure and the second mold structure and embedded inside the container casing member, and a second pipe body connected to the second mold structure.

Abstract: A composite production method includes impregnating a plate-shaped porous inorganic structure and a fibrous inorganic material with a metal while the fibrous inorganic material is arranged to be adjacent to the porous inorganic structure. In the composite structure, first and second phases are adjacent to each other by using a porous inorganic structure having a porous silicon carbide ceramic sintered body and the fibrous inorganic material, the first phase being a phase in which the porous silicon carbide ceramic sintered body is impregnated with the metal, the second phase being a phase in which the fibrous inorganic material is impregnated with the metal, a percentage of the porous silicon carbide ceramic sintered body in the first phase is 50 to 80 volume percent, and a percentage of the fibrous inorganic material in the second phase is 3 to 20 volume percent. A composite is produced by the method.

Abstract: An article, such as a hardfaced wearpart, includes a substrate, a sheet metal shell connected to the substrate to define a cavity between the surface of the substrate and the shell, and a composite material filling the cavity and forming a coating on at least a portion of the surface of the substrate, the composite material including a hard particulate material infiltrated with a metallic brazing material. The shell may be connected to the substrate by welding or brazing to the substrate, and may wear away during use. The shell and the substrate may be used as part of an assembly for producing the article, where the shell is used as a mold for forming the composite material by filling the shell with the hard particulate material and subsequently infiltrating with the brazing material.

Abstract: A system and methods are provided for removing core elements of cast components. In one embodiment, a method includes controlling a first high temperature autoclave cycle for a cast component in a vessel with a first solution concentration to remove at least a first portion of core elements, wherein the first solution concentration, temperature and pressure in the vessel are controlled to expose one or more casting pins in the cast component. The method may also include controlling a second high temperature autoclave cycle for the cast component in the vessel with second solution concentration, wherein the second solution concentration, temperature and pressure in the vessel during the second high temperature autoclave cycle are controlled to loosen one or more of the casting pins from the cast component, and controlling one or more low temperature autoclave cycles to remove core and casting pins from the cast component.

Abstract: An apparatus and method for additive manufacturing a metal part having portions with varying microstructures. The method may include depositing an additive manufacturing powder on a surface and melting or sintering a first portion of the additive manufacturing powder while it is covered with a first type of cover gas. Next, the method may include melting or sintering a second portion of the additive manufacturing powder while it is covered with to second type of cover gas. The first portion may be a first layer of the additive manufacturing powder and the second portion may be a second layer of the additive manufacturing powder deposited after melting or sintering of the first layer. Additionally or alternatively, the first portion and the second portion may both include distinct portions of a single layer of the additive manufacturing powder.

Abstract: The present disclosure provides three-dimensional (3D) printing methods, apparatuses, and systems using, inter alia, a controller that regulates formation of at least one 3D object (e.g., in real time during the 3D printing); and a non-transitory computer-readable medium facilitating the same. For example, a controller that regulates a deformation of at least a portion of the 3D object. The control may be in situ control. The control may be real-time control during the 3D printing process. For example, the control may be during a physical-attribute pulse. The present disclosure provides various methods, apparatuses, systems and software for estimating the fundamental length scale of a melt pool, and for various tools that increase the accuracy of the 3D printing.

Abstract: The present disclosure provides three-dimensional (3D) printing methods, apparatuses, and systems using, inter alia, a controller that regulates formation of at least one 3D object (e.g., in real time during the 3D printing); and a non-transitory computer-readable medium facilitating the same. For example, a controller that regulates a deformation of at least a portion of the 3D object. The control may be in situ control. The control may be real-time control during the 3D printing process. For example, the control may be during a physical-attribute pulse. The present disclosure provides various methods, apparatuses, systems and software for estimating the fundamental length scale of a melt pool, and for various tools that increase the accuracy of the 3D printing.

Abstract: The present disclosure provides three-dimensional (3D) printing methods, apparatuses, and systems using, inter alia, a controller that regulates formation of at least one 3D object (e.g., in real time during the 3D printing); and a non-transitory computer-readable medium facilitating the same. For example, a controller that regulates a deformation of at least a portion of the 3D object. The control may be in situ control. The control may be real-time control during the 3D printing process. For example, the control may be during a physical-attribute pulse. The present disclosure provides various methods, apparatuses, systems and software for estimating the fundamental length scale of a melt pool, and for various tools that increase the accuracy of the 3D printing.

Abstract: A method of installing a fixture or bracket in a fuselage structure of an aircraft or spacecraft. The method includes arranging an apparatus in, on or adjacent the structure, pre-treating a surface region of the structure by heat ablation using the apparatus and forming the fixture in situ on the structure at the pre-treated surface region using the apparatus based on a digital model of the fixture. The fixture is installed by connecting the fixture to the structure at the pre-treated surface region as the fixture is formed.

Abstract: A structural spacecraft component comprising internal microstructure; wherein said microstructure comprises a plurality of parallel layers and a plurality of spacers that connect adjacent parallel layers; wherein said structural spacecraft component is a product of an additive manufacturing process.

Abstract: The method comprises the steps of: a) supplying building material; and b) fusing the building material using a light beam (2); wherein steps a) and b) are carried out so as to progressively produce the object out of the fused building material. In step b), the beam (2) is projected onto the building material so as to produce a primary spot on the building material, the beam being repetitively scanned in two dimensions in accordance with a first scanning pattern so as to establish an effective spot (21) on the building material, said effective spot having a two-dimensional energy distribution. The effective spot (21) is displaced in relation to the object being produced to progressively produce the object by fusing the building material.

Abstract: This invention concerns a module for insertion into an additive manufacturing apparatus. The module comprising a frame mountable in a fixed position in the additive manufacturing apparatus, the frame defining a build chamber and a dosing chamber. A build platform is movable in the build chamber for supporting a powder bed during additive manufacturing of a part. A dosing piston is movable in the dosing chamber to push powder from the dosing chamber. A mechanism mechanically links the build platform to the dosing piston such that downward movement of the build platform in the build chamber results in upward movement of the dosing piston in the dosing chamber.

Abstract: The present invention utilizes laser additive manufacturing technologies (“LAMT”) for the creation of porous media that can be used in filtration devices, flow control devices, drug delivery devices and similar devices that are used for, or in conjunction with, the controlled flow of fluids (e.g., gases and liquids) therethrough.

Abstract: Expandable apparatus include a triggering element comprising an at least partially corrodible composite material. Methods are used to trigger expandable apparatus using such a triggering element and to form such triggering elements for use with expandable apparatus.

Abstract: A method for connecting components involves providing an arrangement of at least two components each containing at least one metallic contact surface and a metallic sintering agent in the form of a metallic solid body having metal oxide surfaces arranged between the components and pressuring sintering the arrangement whereby metal oxide surfaces of the metallic sintering agent and the metallic contact surfaces of the components each form a joint contact surface. The pressure sintering is carried out in an atmosphere containing at least one oxidizable compound and/or the metal oxide surfaces are provided with at least one oxidizable organic compound before formation of the corresponding joint contact surface.

Abstract: A porous copper sintered material (10) includes: a plurality of copper fibers (11) sintered each other, wherein the copper fibers (11) are made of copper or copper alloy, a diameter R of the copper fibers (11) is in a range of 0.02 mm or more and 1.0 mm or less, and a ratio L/R of a length L of the copper fibers to the diameter R is in a range of 4 or more and 2500 or less (11), redox layers (12) formed by redox treatment are provided on surfaces of copper fibers (11, 11), and concavities and convexities are formed by the redox layer (12), and each of redox layers (12, 12) formed on each of the copper fibers (11) is integrally bonded in a junction of the copper fibers (11).

Abstract: A processing device for a metal material, containing: an airtight container for housing a specimen thereinside; an oxygen pump for extracting oxygen molecules from a gas discharged from the airtight container; a circulation means for returning the gas into the airtight container; and a plasma generation means present inside the airtight container for converting the gas returned from the circulation means into plasma and exposing the specimen thereto.

Abstract: A metal powder production apparatus includes a molten metal supply section which supplies a molten metal, a cylindrical body which includes an upper part placed on a lower side of the molten metal supply section and a lower part provided on a lower side of the upper part, a fluid jet section which jets a gas (fluid) toward the molten metal, and a cooling liquid outflow section which allows a cooling liquid to flow out along the inner circumferential surface of the upper part. In the metal powder production apparatus, an angle formed by the axial line of the upper part of the cylindrical body and the vertical line is 0° or more and 20° or less, and an angle formed by the axial line of the lower part of the cylindrical body and the vertical line is 0° or more and 20° or less.

Abstract: Disclosed is a tool that may be configured for performing work on a workpiece. Embodiments of the tool can be configured as a body to be used with a rotatable drive. Some embodiments can include an insert that may be secured within a chamber portion of the tool. The insert may be configured to perform a certain type of work. Some embodiments can include a port. The port may facilitate ingress to and/or egress from the chamber portion. The port may allow for interchangeability of inserts. The port may allow for discharge of work by-product.

Abstract: A tool holder is provided comprising a base body for coupling with a drive spindle that can be driven rotatingly, whereon a clamping chuck for clamping a tool is provided, further comprising a damping element arranged between the base body and the clamping chuck, wherein the damping element is made of an elastomeric material or of a shape memory alloy, and wherein the clamping chuck is solely connected to the base body by means of the damping element.

Abstract: A cutting tool key includes a handle component, for actuating rotation of the cutting tool key and a locking member that is attached to the handle component. The locking member includes a head receptacle portion at a rear end thereof and a sleeve member attached to the locking member. The sleeve member is elastically flexible and circumferentially surrounds the head receptacle portion. A cutting head key assembly includes a cutting head that is located at the head receptacle portion and elastically clamped thereat by the sleeve member. The cutting head key is rotated to releasably attach the cutting head to the tool holder.

Abstract: A drilling and milling tool (100) for a metallic workpiece, with a drilling and milling shank (120) having a plurality of circumferentially-cutting cutter tips (151, 152, 153, 154) and a plurality of front-end-cutting cutter tips (131, 132). At least one of the front-end-cutting cutter tips (132) is, at the same time, a circumferentially-cutting cutter tip whose radially outermost cutting point or cutting edge section projects, in the radial direction (R), beyond the circumferentially-cutting cutter tips (151 152, 153, 154). The circumferentially-cutting cutter tips (151, 152, 153, 154) are made with straight cutting edges and together these cutting edges produce a cylindrical cut contour. Two methods that can be carried out with the drilling and milling tool (100) for producing a through-going bore in a metallic workpiece.

Abstract: A tool for machining has a main body, a seat formed on the main body, a fastening screw, and a cutting insert. The seat has a base surface for supporting an underside of the cutting insert and a lateral bearing surface. A bore for receiving the fastening screw is formed in the base surface, the bore has a threaded bore portion and, closer toward the base surface, a thread-free bore portion. The cutting insert is fastened to the seat such that the head portion of the fastening screw is supported on the through-hole in the cutting insert. The threaded portion of the fastening screw engages with the threaded bore and the fastening screw is elastically deflected such that a thread-free shank portion bears against the thread-free bore portion on a side remote from the lateral bearing surface and is spaced apart from the thread-free bore portion.

Abstract: A foldable miter saw and folding method of miter saw are disclosed. The foldable miter saw includes a base unit, a workable, and a cutting unit. The cutting unit includes a support arm pivotally mounted on the worktable, a saw blade, and a driver. The miter saw folding method includes the step of biasing the cutting unit relative to the base unit and the step of rotating the support arm relative to the base unit and the worktable to change the cutting unit from a working position to a folded position, thus reducing the vertical space occupied by the cutting unit and facilitating delivery, storage and package of the foldable miter saw.

Abstract: A blade for use with a reciprocating saw includes an attachment portion configured to couple to the reciprocating saw and a body extending from the attachment portion. The body includes a first portion, a tip portion, and a second portion extending from the first portion to the tip portion. The first portion has a height between about 0.625 inches and about 1.0 inches and the second portion has a height between about 0.18 inches and about 0.25 inches. The blade also includes a blunt tip formed at a distal end of the tip portion. An overall length of the blade is between about 2.4 inches and about 3.25 inches, measured from a proximal edge of the attachment portion to the blunt tip. The blade also includes a plurality of teeth arranged along the second portion and defining a cutting edge.

Abstract: A multiple tool for a punching device, in particular for a turret punch press has a housing and a tool head interacting with the punching device. A thread cutter magazine including a plurality of thread cutters is connected to the tool head. A selection device is provided to select an active thread cutter which interacts with a workpiece for thread cutting. A thread cutter drive device is provided to drive the active thread cutter. As a result, a multiple tool is obtained which expands the range of applications of a punching device.

Abstract: The present disclosure relates to a lightweight thread cutting tap having a body, comprising at a first end a connector portion, and, at a second end, a threaded portion for cutting a thread of an opening in which said threaded portion is to be introduced, said threaded portion terminating in a bottom end, said threaded portion having at least two cutting edges in the circumferential direction of said body, each of said cutting edges being an integral peripheral part of a flank portion extending substantially radially from the longitudinal extension of said body; and a plurality of chip removal flutes between said flanks, said flutes extending in the longitudinal direction from said bottom end, said thread cutting tap having a hollow interior, wherein the body forms a sidewall and the hollow interior extends into the threaded portion.

Abstract: A dielectric working fluid centralized management system is equipped with a dielectric working fluid adjustment apparatus for adjusting the fluid quality of a dielectric working fluid of a plurality of wire electrical discharge machines, a dielectric working fluid delivery and reception control member for controlling delivery and reception of the dielectric working fluid between a plurality of dielectric working fluid storage tanks disposed corresponding respectively to the plurality of wire electrical discharge machines, and in which the dielectric working fluid is stored, and the dielectric working fluid adjustment apparatus, and a dielectric working fluid quality controller, which receives dielectric working fluid information from the plurality of wire electrical discharge machines and controls the dielectric working fluid delivery and reception control member, or both the dielectric working fluid delivery and reception control member and the dielectric working fluid adjustment apparatus.

Abstract: The invention relates to recovery of tin-lead solder from electronic printed circuit board scrap. The scrap is placed in a liquid-permeable and/or gas-permeable container, which is placed in a liquid or gaseous heat-transfer medium heated to or above the melting temperature of the tin-lead solder. After the tin-lead solder is melted, the heat-transfer medium is removed from the container, then, by means of rotation of the container, the melted tin-lead solder and the remains of the heat-transfer medium are removed from the container. The device comprises a hollow container, which is mounted so as to be capable of rotation and is designed in the form of a body of revolution, and is liquid-permeable and/or gas-permeable in a radial direction from the axis of rotation. The container can be designed in the form of a drum, which can be vertically displaced and has perforated side walls.

Abstract: A protective cutting torch tip cover system is provided, for use with an oxygen and acetylene cutting torch having a conical torch tip having a plurality of ports through which oxygen and acetylene gases pass prior to combustion, which includes a generally conical shaped cover formed of elastomeric material and configured for elastic frictional engagement with said cutting torch tip and a protective cover storage device for holding the protective cover up and away from the torch flame when not installed on the torch tip.

Abstract: Provided is a novel method for improving fatigue strength, which is applicable to any small portion that is covered with another member. A method for improving fatigue strength according to the present invention includes: disposing an aid (3, 15) to be opposed to an processing object (2A, 2B, 6) on which a fatigue strength improving process is performed, the aid being configured to assist the improving process; and generating sparks between the aid (3, 15) and the processing object (2A, 2B, 6).

Abstract: A welding system and a method of control. The welding system may include a weld gun that may have an induction coil and a guide sleeve. The induction coil may heat a welding electrode in the weld gun. The guide sleeve may inhibit the welding electrode from engaging the induction coil.

Abstract: Reversible contact tips and welding assemblies for reversible contact tips are disclosed. An example welding contact tip includes a first axial end portion having a welding wire outlet of an inner bore of the welding contact tip, a threaded middle portion adjacent the first axial end portion, wherein the threaded middle portion comprises external threads configured to mate with internal threads of a gas diffuser of a welding torch, and a second axial end portion adjacent the threaded middle portion.

Abstract: An upper electrode assembly for welding fasteners includes a body that supports an electrode that has an aperture. The aperture is configured to receive a movable pin of a lower electrode assembly arranged opposite the upper electrode assembly. The lower electrode assembly supports a fastener in a welding position. The upper electrode assembly includes a position sensor which includes a position sensor member that is arranged in the body and is configured to cooperate with the pin to detect a fastener welding characteristic.

Abstract: The present disclosure relates to a process for cutting and separating arbitrary shapes of thin substrates of transparent materials, particularly tailored composite fusion drawn glass sheets, and the disclosure also relates to a glass article prepared by the method. The developed laser method can be tailored for manual separation of the parts from the panel or full laser separation by thermally stressing the desired profile. The self-separation method involves the utilization of an ultra-short pulse laser that can be followed by a CO2 laser (coupled with high pressure air flow) for fully automated separation.

Abstract: A laser ablation process can be configured to reduce the appearance of or eliminate a potentially objectionable diffraction effect that can occur when a workpiece or product that has been subjected to the ablation process interacts with light. The diffraction effect can be reduced by introducing irregularity into the arrangement of overlapping laser spots during the process. Other process parameters may be modified to reduce the diffraction effect, such as laser scan speed, laser pulse frequency, the position of the focal plane of the laser, the configuration of raster lines, or the energy profile of the laser beam, for example. The process modifications and configurations are particularly useful with products including an ablated surface that is intended to reflect light or to allow light to pass therethrough as part of its function.

Abstract: A method of laser welding a workpiece stack-up includes directing a laser beam at a top surface of a first metal workpiece to form a key-hole that entirely penetrates the workpiece stack-up, including an underlying second metal workpiece, so that the keyhole reaches a bottom surface of the second metal workpiece. A zone of negative pressure established under the bottom surface of the second metal workpiece extracts vapors that are produced by the laser beam. The vapors, in particular, are extracted from the bottom surface of the second metal workpiece through the keyhole. A bottom workpiece holder that supports the bottom metal workpiece during laser welding may be constructed to establish the zone of negative pressure.

Abstract: A remanufacturing method for a metal part having a damage. The damage groove is divided into a number of levels, and the groove bottom is treated by absorption layer-free laser shock peening to remove surface impurities and to refine surface-layer crystal grains. Then a cladding layer is formed by laser cladding. The process is repeated until the groove is completely filled by the cladding layer to higher than the surface of the metal part and the cladding layer higher than the surface is cut by a mechanical processing and polished, and the upper surface of the laser cladding layer is subjected to large-area overlapped laser shock peening.

Abstract: The present disclosure provides three-dimensional (3D) printing methods, apparatuses, and systems using, inter alfa, a controller that regulates formation of at least one 3D object (e.g., in real time during the 3D printing); and a non-transitory computer-readable medium facilitating the same. For example, a controller that regulates a deformation of at least a portion of the 3D object. The control may be in situ control. The control may be real-time control during the 3D printing process. For example, the control may be during a physical-attribute pulse. The present disclosure provides various methods, apparatuses, systems and software for estimating the fundamental length scale of a melt pool, and for various tools that increase the accuracy of the 3D printing.

Abstract: A system and method depositing metal to form a three-dimensional (3D) part on a substrate. A wire is moved relative to a location on the substrate while a laser heats a proximal end of the wire at the location using a laser beam. The laser causes the wire and substrate to reach a melting point of the wire to fuse the wire at the location on the substrate. The wire can be preheated by passing a current through the wire.