Abstract: A system for removing residual powder from a three-dimensional (3D)-printed component integrally constructed with a build plate during an additive manufacturing (AM) process includes an end-effector, an enclosure, one or more transducers, and an electronic control unit (ECU). The end-effector includes a base surrounded by a perimeter flange, and includes a through-opening that receives the build plate. A perimeter clamp attaches and seal the enclosure to a perimeter flange of the end-effector such that the enclosure, the base, and the build plate collectively form a powder containment cavity. The transducers vibrate at a predetermined frequency or range thereof. The ECU transmits a vibration control signal to the transducers during a post-processing stage of the AM process to loosen and remove the residual powder from the component and collect the loosened powder within the powder containment cavity.

Abstract: A cast component having reduced cross flow linking cavities and method of casting may include a body. The body may define a plurality of internal flow channels. The plurality of internal flow channels may include a first internal flow channel and a second internal flow channel. The cast component may also include a plurality of linking cavities obstructing unintended fluid communication between the first internal flow channel and the second internal flow channel through the plurality of linking cavities.

Abstract: A bowl liner for use in a crusher that is comprised of a support cassette and a plurality of bowl liner sections mounted to the support cassette. Each of the bowl liner sections is mounted along an inner surface of the support cassette. Once the bowl liner sections are positioned along the inner surface of the support cassette, a plurality of support plates are used to support the bowl liner sections on the support cassette. An epoxy material can be utilized to further attach the plurality of bowl liner sections to the support cassette such that the bowl liner sections are held securely in place during use. The bowl liner can be replaced in the crusher as a single unit. After use, the bowl liner sections can be removed from the support cassette and the support cassette can be reused with another set of bowl liner sections.

Abstract: A leachable casting core and method of manufacture may include a plurality of legs configured to establish a plurality of internal flow channels of a cast component. Tie bars, with a first tie bar end and a second tie bar end opposite thereof, may couple to at least two of the plurality of legs. At least one of the tie bars may be oriented to form a linking cavity within the cast component between the internal flow channels. The linking cavity may serve as an obstruction to fluid communication through the linking cavity.

Abstract: A dimensionally stable ring element (1, 2) for a heat exchanger casing (3) includes: a cylindrical sleeve (10, 20) having a cylinder axis (102, 202), a first end (104, 204) and a second end (106, 206) remote from the first end, and having an inner wall (108, 208), a dividing wall (11, 21) which projects inwards from the inner wall (108, 208) of the sleeve (10, 20) and extends helically around the cylinder axis (102, 202) along the inner wall (108, 208) from the first end (104, 204) of the sleeve (10, 20) to the second end (106, 206) of the sleeve (10, 20). At its first end (104, 204) the sleeve (10, 20) includes a projection (109, 116, 209, 216) extending parallel to the cylinder axis (102, 202), which projection is arranged in a predetermined circumferential position on the sleeve (10, 20).

Abstract: The present invention relates to an electric channel inductor assembly. A nonremovable, hollow and nonmagnetic channel mold is used to form the one or more flow channels of the electric channel inductor assembly for electromagnetic circulation of a molten metal composition. A heated fluid medium is circulated in the hollow interior of the channel mold after the mold is situated in the inductor assembly to heat treat the refractory surrounding the exterior walls of the mold. After heat treatment a liquid is supplied to the hollow interior of the mold to chemically dissolve the channel mold prior to circulation of the molten metal composition.

Abstract: In one example, a sand core for use in a sand casting process includes a core body including a sand composition, the sand composition including sand and a binder; and a burnable fuse extending within the core body along a path and out of a surface of the core body, wherein the burnable fuse is configured such that when the fuse is ignited, the fuse burns within the core body to substantially remove the fuse and form a venting tunnel along the path within the core body with an opening in the surface.

Abstract: A method for manufacturing a metallic component especially configured and designed for a turbomachine includes a) for a precision-casting process, a wax model with a wax structure is produced, subsequently b) the tip of the wax structure is thermally and/or mechanically treated such that a region with an undercut is formed on the wax structure, subsequently c) the metallic component is manufactured from the wax model in the precision-casting process, with a component structural element with an undercut forming on a surface of the component, and d) the component structural element is provided at least partially with a ceramic coating, a plastic-containing coating, in particular a fiber composite layer and/or a plastic component.

Abstract: The present invention provides a residue removing device for removing residues in a partition plate, and a related 3D printer for use on a working platform. The partition plate e.g. of a 3D printer has a plurality of openings arranged in an array, and residues may be filled in the openings. The residue removing device includes a base plate and a plurality of jutting pins disposed on an upper side of the base plate. The jutting pins are arranged in an array corresponding to the openings array such that the jutting pins are capable of being inserted into the openings, in order to easily remove the residues in the openings of the partition plate.

Abstract: There is provided an evaporating material of thin plate shape which can be manufactured at a reduced cost and at high productivity, the evaporating material being adapted for use in enhancing the coercive force of neodymium-iron-boron sintered magnet by heat treatment while evaporating Dy in vacuum or in reduced-pressure inert gas atmosphere. The evaporating material of this invention has a core member 1a made of a fire-resistant metal having a multiplicity of through holes, and is made by melting a rare-earth metal or an alloy thereof so as to get adhered to, and solidified on, the core member. In this case, the above-mentioned adhesion is performed by dipping the core member into a molten bath of the rare-earth metal or an alloy thereof, and pulling it out of the molten bath.

Abstract: A method of casting a low alloy steel using a mold is disclosed. The method includes receiving the mold having a foam pattern disposed within a sand casing. The received foam pattern is coated with a permeable refractory coating and is disposed between compacted sand and the sand casing. The method further includes pouring a molten metal comprising a low alloy steel having a carbon content in a range from about 0.1 to about 0.4 percent into the mold so as to vaporize the foam pattern and remove gasification products through the permeable refractory coating, to form a low alloy steel casting. Further, the method includes removing the low alloy steel casting from the mold.

Abstract: [Problem] To prepare a thin plate having excellent corrosion resistance, conductivity, and formability at low cost. [Solution] A thin plate is prepared by an ultraquenching transition control injector with a mixture of a metal powder having corrosion resistance to form a matrix and a powder having conductivity, as a raw material. An obtained thin plate has a conductive material component that exists, without dissolving, in a metal matrix exhibiting corrosion resistance by passivation, thereby having aforementioned characteristics.

Abstract: Provided are a cancer cell-trapping metal filter which has a high opening ratio, a cancer cell-trapping metal filter sheet, a cancer cell-trapping device using the cancer cell-trapping filter, and manufacturing methods therefor. According to a cancer cell-trapping metal filter 1, openings of connected through-holes 12 that are formed in a metal sheet 11 have a wave shape, and thus it is possible to extract a CTC from other components by utilizing a hole diameter on a short-side side of the openings, and it is possible to make the connected through-holes be closer to each other due to the wave shape while maintaining a CTC trapping ability. Accordingly, it is possible to further improve the opening ratio in the cancer cell-trapping metal filter 1.

Abstract: A vehicle lamp includes a light source including a semiconductor light emitting device, and a metal support member on which the light source is mounted. The support member is integrally formed with a shade portion configured to block a portion of light emitted from the semiconductor light emitting device.

Abstract: A nanoheterostructured permanent magnet includes a hard magnetic material and a soft magnetic material of which one inorganic component is a matrix, and of which the other inorganic component is three-dimensionally and periodically arranged in the matrix, in a shape selected from the group consisting of a spherical shape, a columnar shape, and a gyroid shape, the nanoheterostructured permanent magnet having a three-dimensional periodic structure whose average value of one unit length of a repeated structure is 1 nm to 100 nm.

Abstract: The pump housing (2) includes a circumferential wall (3), a pump casing (20) and a shaft cover (40). The pump casing (20) is attached to the circumferential wall (3) by a plurality of connection elements. The pump casing (20) includes a central opening (27) to form an axial supply (14) of the pump housing (2) for material to be pumped. The circumferential wall (3) closes the pump housing (2) along its outer circumference. The pump (1) includes a plurality of connection elements (22) connecting the pump casing (20) to the circumferential wall (3). The connection elements (22) are positioned in groups along the circumference of the pump housing (2), wherein the groups are regularly distributed along the circumference of the pump housing (2).

Abstract: A mask and a method for manufacturing the mask are disclosed. The method for manufacturing the mask comprises forming an insulating pattern layer on a substrate, forming a metal plating film on the substrate formed with the insulating pattern layer through a plating process, and separating the metal plating film from the substrate formed with the insulating pattern layer.

Abstract: A method for producing articles in a mold includes bringing a material into a free-flowing state, introducing the material into the mold via a bottom-casting principle, and solidifying being carried out according to a top-casting principle. The material, viewed in a flow direction of the material, is first introduced into a pouring basin of a runner, then flows through the runner, thereafter through a storage space that is located upstream from a cavity and that is arranged underneath the cavity, and from there into the cavity. Thereafter the mold including the sub-parts of the mold is pivoted so that the storage space takes over the function of a feeder or riser.

Abstract: A gas turbine engine combustion chamber heat shield and seal assembly comprises a heat shield and a seal. The heat shield has an aperture and the seal is located in the aperture in the heat shield. The seal comprises an annular member having an upstream end, a middle and a downstream end. The upstream end of the seal has a diameter greater than the diameter of the aperture in the heat shield, the middle has a diameter less than the diameter of the aperture in the heat shield and the downstream end of the seal has a diameter greater than the diameter of the aperture in the heat shield.

Abstract: An apparatus for cast-product production line includes a kneader for kneading casting sand for making mold; a mold maker for making a sand casting mold from the casting sand for making mold, the sand casting mold being provided with a molding cavity for forming a singular cast product or plural products; a molten-metal pourer for pouring molten metal into said molding cavity of the sand casting mold; and a mold disassembler for disassembling the sand casting mold having undergone molten-metal pouring. Upon disassembling the sand casting mold by the mold disassembler, the sand casting mold is disassembled in such a state that the cast product is supported by means of a cast-product supporter element.

Abstract: A fabrication method of nanoparticles is provided. A substrate having a plurality of pillar structures is provided and then a plurality of ring structures is formed to surround the plurality of the pillar structures. The inner wall of each ring structure surrounds the sidewall of each pillar structure. A portion of each pillar structure is removed to reduce the height of each pillar structure and to expose the inner wall of each ring structure. The ring structures are separated from the pillar structures to form a plurality of nanoparticles. Surface modifications are applied to the ring structures before the ring structures are separated from the pillar structures on the substrate.

Abstract: A substrate support assembly comprises a ceramic body and a thermally conductive base bonded to a lower surface of the ceramic body. The substrate support assembly further comprises a protective layer metal bonded to an upper surface of the ceramic body, wherein the protective layer is a bulk sintered ceramic article.

Abstract: Crucible compositions and methods of using the crucible compositions to melt titanium and titanium alloys. More specifically, crucible compositions having extrinsic facecoats comprising a rare earth oxide that are effective for melting titanium and titanium alloys for use in casting titanium-containing articles. Further embodiments are titanium-containing articles made from the titanium and titanium alloys melted in the crucible compositions. Another embodiment is a crucible curing device and methods of use thereof.

Abstract: Systems and methods in accordance with embodiments of the invention implement layers of metallic glass-based materials. In one embodiment, a method of fabricating a layer of metallic glass includes: applying a coating layer of liquid phase metallic glass to an object, the coating layer being applied in a sufficient quantity such that the surface tension of the liquid phase metallic glass causes the coating layer to have a smooth surface; where the metallic glass has a critical cooling rate less than 1000 K/s; and cooling the coating layer of liquid phase metallic glass to form a layer of solid phase metallic glass.

Abstract: A coupling includes at least one coupling segment, each segment including an outer surface, an inner surface, at least two ends, fastener pads protruding proximate to each end, and a parting line extending around each segment, the parting line forming an axially outermost edge along each axial side of each coupling segment, the parting line offset from a top surface of each fastener pad.

Abstract: A system and method of making a part. The part may cast in a die. A gripper assembly may be provided that has a gripper and a spray nozzle that provides a fluid. The part may be quenched with a fluid when the part is in the die.

Abstract: The disclosure relates generally to mold compositions comprising calcium aluminate and calcium titanate. The disclosure also relates to methods of molding and the articles so molded using the mold compositions. More specifically, the disclosure relates to calcium aluminate/calcium titanate mold compositions and methods for casting titanium-containing articles, and the titanium-containing articles so molded.

Abstract: A method of fabricating a decomposition conduit with an in-line static mixer, the method including molding a decomposition conduit housing around a sand core by inserting molding material into a cavity between a decomposition conduit housing mold and the sand core, where the sand core includes a static mixer and, where the act of molding the decomposition conduit housing is operative to mount the static mixer to the molded decomposition conduit housing.

Abstract: There is provided an evaporating material of thin plate shape which can be manufactured at a reduced cost and at high productivity, the evaporating material being adapted for use in enhancing the coercive force of neodymium-iron-boron sintered magnet by heat treatment while evaporating Dy in vacuum or in reduced-pressure inert gas atmosphere. The evaporating material of this invention has a core member 1a made of a fire-resistant metal having a multiplicity of through holes, and is made by melting a rare-earth metal or an alloy thereof so as to get adhered to, and solidified on, the core member. In this case, the above-mentioned adhesion is performed by dipping the core member into a molten bath of the rare-earth metal or an alloy thereof, and pulling it out of the molten bath.

Abstract: Crucible compositions and methods of using the crucible compositions to melt titanium and titanium alloys. More specifically, crucible compositions having intrinsic facecoats that are effective for melting titanium and titanium alloys for use in casting titanium-containing articles. Further embodiments are titanium-containing articles made from the titanium and titanium alloys melted in the crucible compositions. Another embodiment is a crucible curing device and methods of use thereof.

Abstract: Provided in an embodiment is a method for molding, including: providing a molten alloy in a space between a mold cavity and an etchable block shaped to form an undercut on a part formed in the space, cooling the molten alloy to form the part with the undercut, and etching the etchable block. An undercut is a beveled edge caused by an etchant attacking an etchable block laterally and optionally vertically. The formed part can be made of a bulk amorphous alloy. In some cases, the etchable block can also be used to form at least one threaded portion in the part.

Abstract: A die casting apparatus includes: a fixed mold and a movable mold for forming a casting, wherein an insert core is disposed slidably in a movable main mold of the movable mold to form a protruding portion of the casting. The movable mold includes: a casting ejecting part for releasing the casting from the main mold, a core moving part for moving the core in a casting demolding direction, and a protruding-portion demolding part for releasing the protruding portion from the core. In a first demolding step, a control part controls the casting ejecting part, core moving part, and protruding-portion demolding part to release the casting from the main mold by the casting ejecting part and move the core together with the casting by the core moving part. In a second demolding step, the protruding portion is released from the core by the protruding-portion demolding part.

Abstract: A method for making parts in conjunction with a mold having a negative shape of the part. The mold is coated with a release agent and thereafter the part material is deposited on the release agent in the mold by gas dynamic cold spray. Thereafter, the release agent is separated from both the mold and the part either thermally, chemically, or mechanically.

Abstract: The present invention belongs to the field of the additives for molding sands used in the manufacture of casting molds and cores. More specifically, the present invention relates to an additive to prevent veining in the manufacture of metal parts, to a molding sand comprising said additive, to a core or mold prepared from said molding sand and to a metal part prepared by means of using one of said cores or molds.

Abstract: An improved sterling silver alloy. Like all sterlings, the improved alloy is at least 92.5 percent silver by weight. It has less copper than traditional sterlings: 3.0 percent versus the traditional 7.5 percent. Additionally, the improved alloy includes about 2.75 percent palladium, about 1.0 percent tin, and about 0.75 percent zinc, all by weight. A grain refiner, such as ruthenium, may also be provided. The components of the preferred alloy are melted, degassed, remelted, and then formed into casting grains, wire, and etc. The resulting alloy is significantly harder, as cast, than traditional sterlings: 95-120 Vickers versus 65 Vickers for traditional sterlings. The improved alloy also exhibits improved corrosion resistance. Other than a slightly higher (<200° F.) liquidus temperature, the improved alloy may be worked in substantially the same manner as traditional sterlings. Pieces cast from the improved alloy may be age hardened to about 160 Vickers, if desired.

Abstract: Disclosed is a foundry mix containing a sulfate and/or nitrate salt and its use to make foundry shapes by the warm-box, hot-box, no-bake, and cold-box process, the use of these foundry shapes to make metal castings, and the metal castings prepared by the process.

Abstract: A cast metal article is formed with an internal cavity. The internal cavity is formed by a ceramic core which is removed from the cast metal article to leave the cavity. The ceramic core is formed with a cavity to facilitate removal of the core from the cast metal article. To remove the core from the cast metal article, the cavity in the core is filled with a leaching liquid.

Abstract: A wheel hub, for use on off-highway vehicles, includes a first flange defining a wheel axis and a second flange spaced apart from the first flange along the wheel axis. The first flange includes a generally annular attachment face generally orthogonal to the wheel axis, while the second flange includes an axially inward side confronting the attachment face. The wheel hub also includes a plurality of rungs extending from the first flange to the second flange. Torque is transferred between the first flange and the second flange via the plurality of rungs. Additionally, the wheel hub includes a lubricant retention structure associated with at least one of the first flange and the second flange at a radially inward surface thereof.

Abstract: The present invention includes systems and methods for insert-molding. In some embodiments, a hook can be formed in a metal part by passing die-steel of a die-cast mold through the metal part during a die-casting process. This may, however, result in a hole in the metal part that is beneath the hook area. When plastic material is insert-molded over the metal part, the plastic material may flow through the hole and into the metal part. Accordingly, in some embodiments the plastic material can be prevented from flowing through the hole during the insert-molding. As one example, a tape material can be coupled over the hole. As another example, a wedge can be press-fit into the hole. As yet another example, a plug can be inserted into the hole.

Abstract: An apparatus for core gas removal in a low-pressure cylinder head die casting operation includes an upper die, a lower die, an ejector plate disposed above the upper die to eject a part that has been cast, a plurality of tight plugs fastened into cavities formed in the upper die, and a plurality of clean pins attached to the ejector plate, each clean pin corresponding to a location of one of the tight plugs. The clean pins and the tight plugs have matching geometries. The ejector plate lowers to eject a casted cylinder head from the upper die such that a portion of the clean pins extend axially into the tight plugs to clean core gas residue formed on inner walls of the tight plugs during the casting cycle.

Abstract: A metal balloon catheter having a main tubular body, a metal balloon proximate a distal end of the main tubular body, a central annulus extending along an entire longitudinal aspect of the catheter for accommodating a guidewire therethrough and an inflation annulus adjacent the central annulus which extends along the longitudinal axis of the main tubular body and terminates in fluid flow communication with an inflation chamber of the metal balloon. The metal balloon catheter may be either unitary integral metal catheter in which the main tubular body and the balloon are fabricated of metal, or it may consist of a polymeric main tubular body and a metal balloon.

Abstract: The subject of the invention is a cast part with high static mechanical strength, and high hot creep strength, made of aluminum alloy of chemical composition: Si: 0.02-0.50%, Fe: 0.02-0.30%, Cu: 3.5-4.9%, Mn: <0.70%, Mg: 0.05-0.20%, Zn <0.30%, Ni: <0.30%, V: 0.05-0.30%, Zr: 0.05-0.25%, Ti: 0.01-0.35%, other elements in total <0.15%; and 0.05% each, the remainder being aluminum. It more particularly relates to cylinder heads for supercharged diesel or gasoline internal combustion engines.

Abstract: In a state in which an insert is fitted to an inner portion of a main mold, a hole passing through from an outer portion of the main mold to a cavity of the insert is provided in the main mold to the insert. An extrusion pin bush is inserted into the hole from a side of an opening portion facing the outer portion of the main mold in the hole. A stopper, which is loosely inserted into an outer periphery of a base end side protruding to the outer portion of the main mold from an inner diameter portion of the extrusion pin bush of the extrusion pin, is attached by screw to a thread portion provided in the opening portion facing the outer portion of the main mold. The extrusion pin bush abuts on a locking portion provided on the side of the opening portion facing the outer portion of the main mold in the hole by the stopper.

Abstract: A method of fabricating a decomposition conduit with an in-line static mixer, the method comprising molding a decomposition conduit housing around a sand core by inserting molding material into a cavity between a decomposition conduit housing mold and the sand core, where the sand core includes a static mixer and, where the act of molding the decomposition conduit housing is operative to mount the static mixer to the molded decomposition conduit housing.

Abstract: A sleeve component assembly for a combustor, and a method for forming the sleeve component assembly for the combustor, are disclosed. The sleeve component assembly includes a sleeve component, the sleeve component comprising one of an inner sleeve component or an outer sleeve component. The sleeve component assembly further includes at least one support feature extending from the sleeve component, the at least one support feature configured to contact and provide vibratory support to an adjacent sleeve component. The at least one support feature is integral with the sleeve component.

Abstract: Provided is a method of producing an aluminum structure using a porous resin molded body having a three-dimensional network structure, with which it is possible to form an aluminum structure having a low oxide content in the surface of aluminum (i.e., having an oxide film with a small thickness), and in particular, it is possible to obtain an aluminum porous body that has a large area. The method includes a step of preparing an aluminum-coated resin molded body in which an aluminum layer is formed, directly or with another layer therebetween, on a surface of a resin molded body composed of urethane, and a step of decomposing the resin molded body by bringing the aluminum-coated resin molded body into contact with concentrated nitric acid with a concentration of 62% or more.

Abstract: Aluminum-based alloys for casting or wrought processing having improved combinations of properties, including improved high temperature strength, are provided. The alloys generally comprise copper, magnesium, silver, and titanium, along with scandium and/or cobalt. Zirconium, zinc, and/or vanadium may also optionally be present in the alloy. When cobalt is present in the alloy, nickel may also optionally be present. Cast and wrought products, as well as methods of making the same using the alloys, are also disclosed.

Abstract: A method and a device for casting a cast part from a metal melt. A casting mould in a pivoted mounting comprising a mould cavity shaping the cast part, a feed system and a pour channel, is rotated into a fill position and filled with metal melt. Due to the effect of gravity, the melt flows through the pour channel, wherein the main flow direction of the melt makes an angle relative to the acting direction of gravity. Filling is continued until the casting mould, including the pour channel, is completely filled. Then, the casting mould is sealed with a stopper and rotated into a solidification position, in which the melt in the feed system is pushed against the melt in the mould cavity. The casting mould is held in the solidification position until the metal melt has reached a solidification state in which the cast part can be de-moulded.

Abstract: Disclosed is a method for dislodging a mold from a casting formed within the mold. The mold may be removed from the casting by scoring the mold and applying a force sufficient to cause the mold to fracture and break into pieces. Additionally, the mold may be fractured by either explosive charges placed in the mold pack or by high energy pulsations directed at the mold. Once the mold is fractured and broken into various pieces it may then be dislodged from the casting.

Abstract: Described herein, in the preferred embodiment, is a leonardite-based polyurethane resin binder that may be used, among other applications, as a binder in combination with foundry aggregate, e.g., sand, for molding or casting metal parts. The binders described herein comprise a humic substance, preferably leonardite, combined with a polymerizable polyol, an isocyanate, and a polymerization catalyst to make a polyurethane resin binder in situ in a foundry aggregate, such as sand. The lignite is mixed with the polymerizable polyol and dispersing agents as additives to improve the suspension quality and binder performance of the lignite-containing part of the binder components.