A process of forming an erosion, oxidation, and wear resistant shot chamber, either a gooseneck or a shot sleeve, is provided. The process utilizes a self-healing erosive wear resistant coating on a liner of refractory metal to serve as the working surfaces of a shot chamber. Such a shot chamber is expected to have an improved service life for die casting of corrosive metals and alloys, including hot chamber die casting of aluminum alloys. An improved hot dipping process using stirring in the molten metal bath is also disclosed.

Disclosed is a die casting apparatus including a movable die provided with a forming space; and a lower fixed die which corresponds to the movable die and accommodates molten metal, and includes a sleeve into which the molten metal is injected, wherein the molten metal is cast into a formed object by bringing the movable die and the lower fixed die into contact with each other. The die casting apparatus is provided with a movable electromagnetically controlled structure control module including at least one electromagnetic stirring device-accommodating part that accommodates an electromagnetic stirring device therein and is configured to pass through the lower fixed die to the vicinity of the sleeve in order to electromagnetically stir the molten metal injected through the sleeve.

Methods for replacing an impingement site of a shot sleeve with an erosion resistant material, for manufacturing a shot sleeve for high pressure die casting of Aluminum Silicon alloys having an erosion resistant material at an impingement site, and for manufacturing a shot sleeve for high pressure die casting of aluminum silicon alloys containing 0.40% max Fe, having an erosion resistant material at an impingement site are disclosed. The shot sleeve assembly includes a shot sleeve including a pouring hole and a, impingement site. In certain embodiments a bushing assembly is implemented. The impingement site or bushing assembly includes a refractory metal tube constructed of erosion resistant material.

A method for producing a component from an aluminum alloy using a semisolid method is provided. The alloy contains less than 1.3% by weight of iron and no more than 0.2% by weight of silicon, and the component has sufficient ductility such that the component can be joined to other components by self-piercing riveting, flow drilling, high-speed tack setting, friction welding and/or weld riveting.

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.

The invention relates to an apparatus (1; 1a; 1b; 1c; 1d; 1e) for producing a casting (36) formed from an amorphous or partially amorphous metal, which comprises a casting mold (3; 3a; 3b; 3c; 3d; 3e) having at least one filling opening (16; 16a; 16b, 41; 16c; 16d; 16e) for introducing a casting material (15; 15a; 15b; 15c; 15d; 15e) forming the casting (36) and a device for melting the casting material (15; 15a; 15b; 15c; 15d; 15e). The melting device expediently has at least one region (13; 13; 13b; 40, 13c; 13d; 13e) which is provided for melting the casting material (15; 15a; 15b; 15c; 15d; 15e). Advantageously, an apparatus is created that allows a particularly targeted application of melting energy into the casting material. In an embodiment, the melting device comprises a means for forming at least one electric arc (30; 30a, 39) in the at least one melting region (13; 13; 13b; 40, 13c; 13d; 13e), which in particular comprises at least two electrodes (32; 32a, 38; 32b; 32c) arranged at a distance from one another, between which the at least one electric arc (30; 30a, 39) can be formed.

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.

A process of forming an erosion, oxidation, and wear resistant shot chamber, either a gooseneck or a shot sleeve, is provided. The process utilizes a shrink fitting process for forming a one-piece shot chamber having a liner bonded to the bulk portion of the shot chamber. Channels of predetermined shape and layout are built on the tubular external surface of the liner for facilitating thermal management of the shot chamber during die casting operations.

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.

An injection chamber or container for machines for pressure die-casting processes is provided, which is formed by a cylinder (1) includes an external cuff (2) and an internal insert (3), through which passes material that is introduced through an opening (4) and pressure-driven by means of a piston (5) into a mould (6). The internal insert (3) has an outer diameter (d) smaller than the inner diameter (D) of the external cuff (2), there being between the two diameters (d, D), a difference of dimension (a) such that the insert (3) can be inserted into and removed from the cuff (2) directly and cold, that is, without dilating it, and such that the only dilation that the insert undergoes (3), which is caused by the heat of the material to be extruded that passes therethrough when the cylinder (1) is operating, causes the insert to become fixed inside the cuff (2).