Patent classifications
B22C9/061
Casting mold for metal sheet
The present invention relates to a casting mold for a metal sheet by drawing molten metal into a mold cavity and cooling the molten metal, and the casting mold according to the present invention includes: a support portion at an upper side on which molten metal is disposed or a solid metal is placed and melted; a mold cavity at a lower side in which the metal sheet is formed as the molten metal is drawn from the support portion while filling the mold cavity and cooled; and a passageway through which the molten metal is drawn into the mold cavity from the support portion, in which the mold cavity includes a first surface at the upper side which communicates with the passageway, and a second surface at the lower side which faces the first surface, a plurality of suction portions for drawing the molten metal are formed in the second surface and extended downward from the second surface, the suction portions are connected to a vacuum source and configured to draw the molten metal by suctioning air from the mold cavity, and a blocking member, which is in contact with the second surface or the suction portions to prevent a leakage of the molten metal and allow an air flow, is disposed on the suction portions in the mold cavity.
Casting mold and methods for production
The invention relates to a method for producing a casting mold as well as to a casting mold (10), in particular a continuous casting mold or similar. Said casting mold is made of a material which is essentially made of carbon and the casting mold is coated with pyrolytic carbon and/or boron nitride.
Casting mold material and Cu—Cr—Zr alloy material
A casting mold material of the present invention includes, as a composition: 0.3 mass % to less than 0.5 mass % of Cr, 0.01 mass % to 0.15 mass % of Zr, and a balance consisting of Cu and inevitable impurities, and the casting mold material has acicular precipitates or plate-like precipitates containing Cr.
Controlled nozzle cooling (CNC) casting
A process for the casting of metals and their alloys includes the steps of providing at least a mold equipped with a plurality of cooling nozzles, making a layer of coolant permeable materials covering the nozzles and maintaining the materials at desired temperatures, delivering a molten metal into the mold, supplying predetermined amount of coolant to each nozzles to contact the casting at desired rate, time, and duration to achieve an acceptable level of progressive solidification from the distal end of the casting towards the riser until the casting has reached desired temperatures.
Copper-based alloys, processes for producing the same, and products formed therefrom
Processes are provided that include providing a copper-manganese alloy containing copper and manganese and having an amount of manganese that is at least 32 weight percent and not more than 40 weight percent of a combined total amount of the copper and manganese in the copper-manganese alloy, and casting the copper-manganese alloy by multidirectional solidification to produce a product in the form of a casting. The copper-manganese alloy has a composition sufficiently near the congruent melting point of the CuMn alloy system to sufficiently avoid dendritic growth during the multidirectional solidification of the copper-manganese alloy to avoid the formation of microporosity attributable to dendritic growth. The product has a cast microstructure having a cellular and/or planar solidification structure free of dendritic growth and having multidirectional columnar grains.
Method to increase local cooling rate and improve material properties in a low-pressure sand-casting head
A low-pressure sand-casting system includes a sand-casting mold receiving a molten casting material to cast an automobile vehicle cylinder head. A port is created in the automobile vehicle cylinder head. A manifold port metal core assembly includes a metal core. A compressible material coating is applied on the manifold port core metal core.
SYSTEM AND METHOD FOR ADDITIVE METAL CASTING
A mold construction system is presented for use in additive manufacturing of a metal object. The system comprises: at least one mold provision device controllably operable to form one or more mold regions defining one or more respective object regions in a production layer, and configured to receive molten metal deposited to each object region; and a control system operating each mold provision device in accordance with a predetermined building plan. The mold provision device, in accordance with said predetermined building plan, creates each mold region of each production layer with at least one metal-facing zone configured to define at least one cavity forming the object region to receive the molten metal therein. The metal-facing zone comprises a predetermined arrangement of spaced-apart sites of relatively weak mechanical properties relative to spaces between said sites within said mold material. The arrangement of the spaced-apart sites is selected in accordance with properties of the metal object and molten metal deposition.
METHOD AND SYSTEM FOR ADDITIVE METAL CASTING
A mold construction system is presented for use in additive manufacturing of a metal object. The system comprises: at least one mold provision device controllably operable to form one or more mold regions defining one or more respective object regions in a production layer, and configured to receive molten metal deposited to each object region; and a control system operating said at least one mold provision device in accordance with a predetermined building plan. The mold provision device is controllably operable, in accordance with said predetermined building plan, to create each mold region, in each production layer, with one or more metal-facing zones and one or more metal-nonadjacent zones around the metal-facing zone. Each metal-facing zone is configured to define a cavity forming the object region to receive the molten metal therein, and is configured with higher compressibility relatively to at least a sub-zone of the metal-nonadjacent zone.
Casting mould
A casting mould comprising: an inorganic or refractory mould, wherein the mould is configured to receive feedstock; wherein the feedstock is configured to be heated in situ. A reusable mould, reusable susceptor, and/or release agent may be incorporated. Method of manufacturing a mould, and casting a part employing 5 in situ heating, are also provided.
CONFORMAL COOLING INSERT
A cooling insert for a die, such as a distributor for a high pressure die casting assembly, and a method of manufacturing the cooling insert, is provided. The cooling insert can be formed of H13 tool steel and is manufactured using an investment casting process, for example, a process which uses a printed investment casting shell. The cooling insert includes complex cooling channels to improve cooling and reduce the duration of the casting process.