Abstract: A medical scope device such as an endoscope is produced using a cast aluminum process including a molten casting aluminum alloy including a maximum of 0.2-0.3% Si and at least 5% Zn. The process includes providing an investment casting mold, casting the aluminum alloy in the mold to create a component and removing the mold from the component, post-machining the component to meet a desired specification, and after post-machining the component, performing surface finishing, such as centrifugal barrel finishing (CBF) sufficient to remove impurities on casting surfaces by 2-3 mils, then coating the component with a micro-crystalline aluminum anodic coating of at least 0.5 mil thickness. A medical scope and product-by-process is also provided employing such techniques.

Abstract: Method to obtain a continuous casting apparatus to cast, through the casting cavity of a crystallizer of a mold, a cast product with a polygonal cross section.

Abstract: A process manufactures a metal part for a turbomachine that includes first and second metal materials with different chemical compositions. The process includes the steps of obtaining an element of which at least a first metallic part is made of the first metallic material and placing the element in a first mold and pouring wax into the mold to at least partially cover the element. The first mold has an impression corresponding to at least part of an external surface of the metal part. The process further includes obtaining an assembly by removing the first mold and making a shell mold with a first ceramic around the assembly. The process also includes removing the wax from the shell mold and pouring the second metal material into the shell mold in place of the wax, and removing any ceramics present in the assembly.

Abstract: The invention relates to a turbine engine vane including a blade extending along a radial axis and a first cooling circuit arranged inside the blade, the first cooling circuit including a first cavity and a second cavity disposed downstream of the first cavity in a direction of circulation of a coolant in the blade, the first and second cavities radially extending inside the blade and being at least partly separated by a first radial partition having a radially internal free end, which at least partly demarcates a first coolant passage connecting the first and second cavities. According to the invention, the radially internal free end is enlarged by having a general transverse section substantially in the form of a keyhole.

Abstract: A molding system molding a sand mold includes a flask, a tank connected to a compressed air source, including an opened end part, and configured to internally store sand, a nozzle attached to the end part of the tank and configured to guide the sand in the tank into the flask, and a control unit configured to output information about clogging of the nozzle when, during sand filling in which the sand in the tank is introduced into the flask through the nozzle, a relationship where pressure inside the tank is higher than initial pressure during the sand filling in which the sand is introduced into the flask is satisfied.

Abstract: The present invention relates to a feeder system for use in metal casting operations utilising casting moulds and to a feeder sleeve for use in the feeder system. There is provided a feeder system for metal casting, the feeder system comprising a feeder sleeve mounted on a breaker core, the feeder sleeve having a first end and an opposite second end, a longitudinal axis extending between the first and second ends, and a continuous sidewall extending generally around the longitudinal axis between the first and second ends, the sidewall defining a cavity for receiving molten metal during casting, and the breaker core defining an open bore therethrough for connecting the cavity to the casting, wherein the first end of the feeder sleeve is mounted on the breaker core, and the feeder sleeve comprises at least one protrusion extending from an exterior surface of the sidewall at the second end of the feeder sleeve.

Abstract: A device for supplying to and/or controlling hydraulically operated components of a die casting machine, comprising a base block with a main inlet opening and a main outlet opening for hydraulic medium, and also at least two different module components, which are selected from the group consisting of core-pulling modules, core-pulling-relief modules, booster modules, secondary movement modules, and vacuum modules, and which are fluidically connected to the base block. The present invention relates to a die casting machine with such a device and to a method for supplying to and/or controlling hydraulically operated components of a die casting machine.

Abstract: A molding system molding a sand mold includes a flask, a tank connected to a compressed air source, including an opened end part, and configured to internally store sand, a nozzle attached to the end part of the tank and configured to guide the sand in the tank into the flask, and a control unit configured to output information about clogging of the nozzle when, during sand filling in which the sand in the tank is introduced into the flask through the nozzle, a relationship where arrival time from the start of sand filling until the pressure reaches a predetermined pressure is shorter than the initial arrival time obtained in advance is satisfied.

Abstract: A motor plate type coil forming apparatus forms a plate type coil wound on a stator of a motor by a squeeze casting method. In particular, the apparatus includes: i) a main frame including a lower frame and an upper frame; ii) a mold unit including a lower mold elastically connected to the lower frame to be movably installed in a vertical direction, and an upper mold movably installed in the upper frame in the vertical direction corresponding to the lower mold; and iii) a molten metal pressurizing unit including a plunger that is movably installed in the lower frame in a vertical direction corresponding to the lower mold. In particular, the lower mold may include a sleeve provided to be vertically coupled to the plunger, and a plurality of coil forming parts provided to form a cavity connected to the sleeve.

Abstract: An investment casting process for manufacturing a cast component is provided. The investment casting process includes forming a core, casting the cast component about the core such that a core positioning feature provides a location of an anticipated pilot hole in the cast component, removing the core from the cast component once the casting is completed, locating, forming and sizing a pilot hole to form a resized pilot hole that can receive a sealing plug and installing the sealing plug into the resized pilot hole.

Abstract: Crystallizer for the continuous high-speed casting of a metal product (P), which has a casting cavity (13) defined by walls (14) connected to each other in correspondence with edges (15) and provided with cooling means (16).

Abstract: The foundry production line includes a sand moulding machine, a melt pouring device, a shakeout machine, a finishing apparatus, an inspection station and a computer controlled database system. A pattern plate is provided with a sand mould identification device including a plurality of individually adjustable indicator elements adapted to impress an identification pattern in a sand mould part. Each indicator element has rounded edges and indicates a direction. An automatic image detection system includes an imaging device arranged at the inspection station and being adapted to provide a digital image of an individual identification pattern formed in a cleaned casting. The automatic image detection system includes a computer system running a computer program developed by means of machine learning to analyse the digital image and thereby detect the individual identification pattern.

Abstract: A plunger for die casting may include a front injector end made of an iron alloy including, by mass: about 1% to about 6% nickel, about 0.1% to about 5% copper, about 0.2% to about 2.5% aluminum, about 0.5% to about 2% manganese, and about 0.05% to about 0.2% carbon. The iron alloy may be formed into an initial shape of the front injector end, heated to a temperature greater than or equal to about 900° C. and then cooled to form a supersaturated solid solution of iron and dissolved alloying elements. Then, the iron alloy may be heated at a temperature sufficient to precipitate intermetallic nanoparticles from the supersaturated solid solution to form an intermetallic precipitate phase dispersed throughout an iron-based matrix phase. A chemical compound layer may be formed at and along a surface of the iron alloy by exposing the iron alloy to an oxygen-containing and/or nitrogen-containing environment.

Abstract: Jewelry with non-precious metallic core and process for producing, comprising an outer layer (10) and an inner core (50), a melting temperature of the inner core (50) is higher than that of the outer layer (10), consequent to a synchronous position of an outer markers (12a, 12b, 12c) and an inner markers (52a, 52b, 52c), the outer layer (10) engulfs the inner core (50) with a prescribed thickness dimension (44) all around; mechanically moving, flexing and load bearing part of an active jewelry are made of non-precious metal, the outer layer (10) is made of a precious metal like gold, silver, platinum and the like; while the inner core (50) is made of a non-precious metal like steel, titanium and the like, the jewelry article (100) is studded with diamonds and precious stones. The jewelry article (100) may be an array of closed links (110).

Abstract: A casting system for casting an object, wherein the casting system may include a mold system, a replaceable material provision system, and a molten metal processing system. The casting system may be configured to additively produce multiple production layers, one currently-produced production layer after the other. For each currently-produced production layer: (i) the mold system is configured to form one or more mold-layers, (ii) the replaceable material provision system is configured to provide one or more replaceable material layers; and (iii) the molten metal processing system is configured to form one or more current object regions of the currently-produced production layer by providing molten metal that replace the one or more replaceable material layers.

Abstract: A method for inorganic binder casting including selecting a shape-forming material based on pre-determined manufacturing and shape characteristics, forming the shape-forming material by printing the shape-forming material using a plurality of additive material printers to form a casting mold, creating a liquid binder solution, the liquid binder solution configured to include at least 51% inorganic binder material by weight, the inorganic binder material having a weight ratio to the liquid binder solution between a range of 1.0 and 3.5, coating the shape-forming material with the liquid binder solution, substantially dehydrating the shape-forming material, pouring a hot liquid metal into the casting mold, and allowing said hot liquid metal to cool to form a molded part.

Abstract: A die casting method includes stirring an aluminum alloy liquid in a stirrer under an airtight vacuum condition. The stirrer includes an electromagnetic inductor and a stirring rod. The aluminum alloy liquid is simultaneously subjected to an electromagnetic stirring in a direction of a magnetic field generated by the electromagnetic inductor and a mechanical stirring under a rotation action of the stirring rod. The aluminum alloy liquid is stirred for 20-80 minutes until the aluminum alloy liquid becomes semisolid to obtain a semisolid aluminum alloy slurry. The method further includes injecting the semisolid aluminum alloy slurry into a filter die to perform die casting molding at an injection speed of 1.5-2.5 m/s, an injection specific pressure of 30-80 MPa, a pressurization pressure of 60-80 MPa, and a temperature of the filter die of 250-400° C., and maintaining pressure for 7-30 seconds to obtain the filtering cavity.

Abstract: An apparatus for the die casting in the semisolid state of objects made of brass, bronze, alloys of aluminum, magnesium and light alloys and the like, includes an upper die part adapted to be mated with a lower die part, the mating between the upper die part and the lower die part forming a casting cavity, a furnace being arranged below the lower die part and being provided with a duct for feeding liquid metal which connects to the casting cavity. The upper die part is provided with a cavity in which a forging piston can move freely, the piston accommodating internally a flow control plunger, and having, between the upper die part and the lower die part, circumferentially around the part to be cast, a vacuum channel connected to the casting cavity by at least one venting channel.

Abstract: A centrifugal casting apparatus comprising an upper portion into which molten material is poured, the upper portion having a central rotational axis about which the apparatus is rotated; at least one block runner is connected to the upper portion at the proximal end of the block runner and to at least one mould at the distal end of the block runner, the block runner being mounted substantially perpendicular to the axis of rotation; and wherein the moulds are oriented substantially parallel to the axis of rotation of the centrifugal casting apparatus.

Abstract: A method of additive manufacturing can include forming a machine part having a first portion formed from a cast iron material; forming a second portion adjacent the first portion formed of a combination of the cast iron material and a different material; and forming a third portion adjacent the second portion formed of only the different material, wherein the third portion is located at a predetermined critical area of the machine part.