Abstract: A method for containing a slab during continuous casting, including casting a slab along a casting axis, said slab having a predefined width, wherein the method provides a containment of the slab with a plurality of rolls, said rolls being disposed in pairs facing to each other, and defining a passage along the casting axis for the cast slab, wherein the plurality of rolls includes electromagnetic rolls provided with an electromagnetic stirrer which stirs the liquid contained in the slab.

Abstract: A continuous casting machine is provided that includes a refractory tundish funnel. The tundish funnel has a tapered shape and is designed to sit on a tundish lid in order to channel steel from the ladle to the tundish bath. A collector can also be provided to channel the steel from the ladle. The collector has an opening with a cross-section that transitions from a cylindrical shape to a cross-shape.

Abstract: A method of making a die cast part having high wear resistance is provided. The method comprises providing a mold and an insert pin. The mold comprises an interior surface defining a cavity. The mold comprises a bore formed through the interior surface. The insert pin has a magnetic core having a magnetic field and a barrier disposed about the magnetic core. The insert pin is disposed in the bore and extends into the cavity. The method comprises filling the mold with metallic material such that the metallic material is in contact with the insert pin to define a contact layer. The method comprises modifying iron content within the contact layer with the magnetic field to define an outer layer and an inner layer formed between the outer layer and the insert pin. The inner layer has 3-5 wt % Fe and the outer layer has 0.01-0.5 wt % Fe.

Abstract: A method to determine the crater end location of a cast metal product during its casting, the crater end location being the location at which the cast metal product becomes fully solidified. A continuous casting method and a continuous casting machine are also provided.

Abstract: Proposed is an electromagnetic vibration stirring device of semi-solid high pressure casting equipment. The electromagnetic vibration stirring device includes: a ring-shaped casing including an inner wall into which a sleeve is inserted and an outer wall spaced apart from the inner wall; and a magnetic field generating unit located between the inner wall and the outer wall of the casing, and including a plurality of electromagnets radially arranged at equal intervals around the sleeve in a circumferential direction of the sleeve, each of the electromagnets including a core and a coil surrounding the core. The magnetic field generating unit generates a magnetic field by applying a current to the electromagnets in a clockwise or counterclockwise direction, and each portion of a semi-solid molten metal is sequentially vibrated by the magnetic field along the circumferential direction of the sleeve, thereby controlling a microstructure of the molten metal.

Abstract: A method for producing a metal ingot by using an electron-beam melting furnace including an electron gun and a hearth that accumulates a molten metal of a metal raw material, in which, in a downstream region between an upstream region in which the metal raw material is supplied onto the surface of the molten metal and a first side wall, an irradiation line is disposed so as to block a lip portion and so that two end portions are positioned in the vicinity of the side wall of the hearth. A first electron beam is radiated onto the surface of the molten metal along the irradiation line, such that the surface temperature (T2) of the molten metal along the irradiation line is made higher than the average surface temperature (T0) of the entire surface of the molten metal in the hearth.

Abstract: The present invention relates to an arrangement for low-pressure casting of refractory metals, with a furnace chamber with one or a plurality of gas supply openings (6) and gas outlet openings (7), and a riser pipe (8) through a cover (5) of the furnace chamber, a melting container (3, 12) for the refractory metals arranged in the furnace chamber, and a heating device for heating the refractory metals in the melting container (3, 12). In the proposed arrangement, the melting container (3, 12) is formed as an exchangeable insert for a receiving mould (2) supporting the melting container (3, 12), which is arranged in the furnace chamber, wherein a thermally insulating layer (4, 17) is formed between the receiving mould (2) and the melting container (3, 12), or is integrated into the melting container (3, 12). With the proposed arrangement, a quick and easy exchange of the melting container for different alloys can also be carried out in the low-pressure casting of refractory metals.

Abstract: A die-casting machine has a casting mould, a casting chamber, a casting piston arranged in an axially movable manner in the casting chamber, a melt inlet channel which leads into the casting chamber, a shut-off valve in the melt inlet channel, a melt outlet channel which leads from the casting chamber to the casting mould, and a control unit for controlling the casting piston.

Abstract: A method is provided for casting a component. Accordingly, a casting core is provided within a cavity of a component mold. The casting core defines an inner component shape and includes a core wall. The core wall defines a core outer surface and a core inner surface disposed opposite the core outer surface. The core inner surface defines a core cavity. The casting core also includes a removal facilitation feature. The component is cast within the cavity of the component mold with the casting core positioned therein. The cast component is removed from the component mold and the casting core is removed from the cast component.

Abstract: A molten metal pump assembly and method to fill a mold with molten metal, such as aluminum. The assembly includes a support frame for suspending the molten metal pump above a furnace. The support frame includes a mechanism for lifting and lowering the molten metal pump into engagement and disengagement with the mold.

Abstract: An investment mold slurry curtain apparatus includes a slurry curtain of a slurry fluid, the slurry curtain having a length and a thickness, the length substantially greater than the thickness. The apparatus also includes an outlet configured to dispense the slurry fluid and form the slurry curtain. The investment mold slurry curtain apparatus may include and be described as an investment mold slurry coating apparatus including a conduit configured to receive a flow of a slurry fluid and an outlet operatively coupled to the conduit, the outlet configured to dispense the flow of the slurry as a curtain of the slurry.

Abstract: An electromagnetic device for laterally containing a liquid metal, having a first electrical conductivity, at one open side end of a passage defined between two counter-rotating casting rolls, at least the surfaces of which are made of a ferromagnetic material, said device comprising a magnetic yoke made of a further ferromagnetic material having a second electrical conductivity either lower than or equal to said first electrical conductivity of the liquid metal and ending with two mutually proximal wedge-shaped ends, said wedge-shaped ends having respective inner surfaces, facing each other and defining a gap, and respective outer surfaces, arranged one on one side and the other on the other side with respect to a plane lying in said gap and shaped so as to be able to insert both said wedge-shaped ends at least partially between the two casting rolls; at least one coil wound on at least one stretch of the magnetic yoke and adapted to be supplied by electric current; at least one plate, made of a material

Abstract: A method of producing a parallel spiral core for casting a housing includes designing a half cylinder body in a model based on a desired shape of the housing, adding parallel spiral features to the body in the model, and producing data of the model based on the desired shape of the housing with the parallel spiral features. The data is then loaded into a machining tool, which then machines a pattern of the parallel spiral core out of material. The method also includes casting the parallel spiral core from the pattern such that the parallel spiral core comprises a core body and a parallel spiral formed on the core body, the parallel spiral winding circumferentially about the core body from a first end to a second end of the core body.

Abstract: Disclosed are a micro fiber and a method of manufacturing the micro fiber are proposed. The micro fiber may be manufactured by controlling thickness and Young's modulus thereof using hollow fiber.

Abstract: A die casting sleeve, supported horizontally on a die casting device such that a cylinder portion front end communicates with a cavity and a plunger tip is inserted from a cylinder portion rear end, is configured such that the cylinder portion has a double structure in which an inner cylinder is fitted into an outer cylinder, the inner cylinder is made of a composite material of titanium or a titanium alloy and ceramic in at least a molten metal receiving region under an inlet port, a first planar portion is formed on the outer cylinder in the molten metal receiving region, and a cooling device including a tubular portion for letting a cooling medium flow in a jacket main body as a metal block having a second planar portion is mounted on the outer cylinder in a state where the second planar portion abuts against the first planar portion.

Abstract: A screw smelting machine melts raw materials with a different chemical ratio in a mixing funnel in a feeding order to prevent the long-range diffusion of a melt, and controls outflow at a suitable speed. A centrifugal casting machine solidifies the melt with the ingredients gradient varying into a radial ingredient gradient material by a centrifugal casting style. A temperature sensor monitors temperature of an outer surface of a centrifuge cavity of the centrifugal casting machine during centrifugal casting, and transmits the temperature to a control platform. The control platform determines an optimal flow rate of the melt at an end of screw rod according to ingredient gradient of ingredient radial-gradient pipe materials and a thickness of each component gradient material required with preparation, in combination with a real-time data fed back from the temperature sensor, and feeds back to a feeding end.

Abstract: There is provided a cast strip manufacturing method including: supplying a molten steel stored in a tundish (18) to a molten steel pool portion (16) formed by a pair of rotating cooling rolls (11) and a pair of side dams via an immersion nozzle (20); and forming and growing a solidified shell on a circumferential surface of the cooling roll (11) to manufacture a cast strip (1), in which a Si additive is added to the molten steel in the tundish (18), a Si concentration of the molten steel is adjusted to be within a fixed range, and a temperature of the molten steel in the tundish (18) is controlled to be within a fixed range.

Abstract: The present disclosure relates to a system, apparatus, and method for a cooling water spray pattern for a direct chill casting mold, and more particularly, to a spiral water spray pattern for a direct chill billet casting mold. An example direct chill casting mold includes a mold body defining a mold cavity there through; and a plurality of spray jets arranged proximate an exit of the mold cavity, wherein the plurality of spray jets are angled with respect to the mold cavity such that streams of fluid exiting the plurality of spray jets impinge upon a casting exiting the mold cavity at an angle offset from a centerline of the casting.

Abstract: A flaskless molding machine includes: an upper sand tank storing the mold sand to be supplied to the upper molding space; a first lower sand tank storing the mold sand to be supplied to the lower molding space, and having a first communication port for discharging the stored mold sand; a second lower sand tank having a second communication port capable of communicating with the first communication port of the first lower sand tank, and storing the mold sand supplied from the first lower sand tank and to be supplied to the lower molding space; at least one first guide member extending in a vertical direction, and guiding the upper flask, the lower flask and the second lower sand tank in the vertical direction; and a second guide member extending in the vertical direction, and guiding the first lower sand tank in the vertical direction.

Abstract: Disclosed are a die-casting die, a die-casting device and an ultra-high speed die-casting method. The die-casting die comprises a die body, the die body is arranged with a feed port, a pouring potion and a cavity portion, the pouring potion is arranged with a pouring runner communicating to the feed port, and the cavity portion is arranged with a molding cavity; the die body is arranged with a gate portion between the cavity portion and the pouring potion, the gate portion is arranged with an ingate runner communicating the molding cavity and the pouring runner, the ingate runner is a plurality of ingate runners, and each ingate runner is arranged in sequence in the width direction of a side of the gate portion facing the molding cavity; a communicating position between the ingate runner and the molding cavity is an ingate.