B22C7/065

CORE SHOOTING METHOD AND CORE SHOOTING APPARATUS FOR THE PRODUCTION OF CORES WITH SIMULTANEOUS CURING PROCESS
20230024847 · 2023-01-26 ·

A core shooting method includes: a. Inserting a first core shooting tool into a core shooting machine; b. Injecting core molding material and a binder into the first core shooting tool; c. Ejecting the first core shooting tool from the core shooting machine; d. Curing of the core in the first core shooting tool; e. Repeating the previous steps with at least one further core shooting tool, wherein the insertion of the further core shooting tool into the core shooting machine is carried out simultaneously with the ejection of the previous core shooting tool from the core shooting machine or simultaneously with the curing of the core in the previous core shooting tool.

A corresponding core shooting tool is further described.

DISPLAY DEVICE

The present disclosure relates to a display device. A downward-bending portion is formed on an end of an inner plate arranged on the inner surface of a back cover, which is a back support structure of the display device, such that the outer surface of the downward-bending portion contacts the inner surface of the back cover, thereby improving the rigidity and heat-radiating performance of the inner plate, and guaranteeing that the elastic force from the downward-bending portion prevents the display panel from being damaged by cracks. Furthermore, an inward-bending portion is formed on the front end of the vertical extension portion of the back cover, thereby improving the rigidity of the back cover, and guaranteeing that elastic deformation of the inward-bending portion protects the display device from lateral impacts.

Core pattern reformer tool

A tool for reforming a core pattern. A method of reforming a core pattern comprises opening a core reformer tool. The core reformer tool has a first portion and a second portion facing the first portion. The first portion includes a concave member and a first adjustable pin. The second portion includes a convex member and a second adjustable pin. The method includes positioning the core pattern in the core reformer tool and closing the core reformer tool. The method comprises adjusting at least one of the first adjustable pin and the second adjustable pin to alter a surface of the core pattern. The method includes directing cooling air through the core reformer tool to solidify the core pattern and opening the core reformer tool to remove the core pattern.

Core Pattern Reformer Tool
20210229164 · 2021-07-29 ·

A tool for reforming a core pattern. A method of reforming a core pattern comprises opening a core reformer tool. The core reformer tool has a first portion and a second portion facing the first portion. The first portion includes a concave member and a first adjustable pin. The second portion includes a convex member and a second adjustable pin. The method includes positioning the core pattern in the core reformer tool and closing the core reformer tool. The method comprises adjusting at least one of the first adjustable pin and the second adjustable pin to alter a surface of the core pattern. The method includes directing cooling air through the core reformer tool to solidify the core pattern and opening the core reformer tool to remove the core pattern.

Method and mold tool or core tool for producing molds or cores
10967420 · 2021-04-06 · ·

The invention relates to a method for more quickly producing molds (2) or cores (2′) for foundry purposes by adapting the specific electrical resistance in the selection of the core box to the mixture (9) of a molding material and of a water-containing binder, which binder, when dissolved, forms an electrolyte and has a sufficient electrical conductivity. It is essential to the invention that an electrically conductive material (7) for holding the mixture (9) is introduced into an electrically non-conductive housing (3), wherein the specific electrical conductivity of the material (7) at operating temperature (7) at least approximately corresponds to the specific electrical conductivity of the mixture (9) at temperatures between 100° C. and 130° C., and that electrical energy and thus heat are supplied to the material (7) via electrodes (10) arranged in/on the housing (3) (resistance heating principle), leading to curing of the mixture (9). Depending on the sand core, up to 30% shorter cycle times can be achieved.

Core pattern reformer tool

A core pattern reformer system for adjusting and setting a core pattern for use in casting a gas turbine blade has a first portion having a first internal face with a concave portion. The first portion is coupled to a second portion. The second portion has a second internal face with a convex portion. A plurality of adjustable pins is positioned along the internal faces of the first portion and the second portion. The pins have a height that is adjustable with respect to the internal faces. A locking mechanism is included for securing the first portion to the second portion. The system includes one or more air inlets and one or more air exits and a source of cooling air coupled to the one or more air inlets.

TOOL INSERT, MOULD TOOL OR CORE TOOL AND METHOD FOR PRODUCING MOULDS OR CORES
20200391279 · 2020-12-17 ·

The present invention relates to the selection of materials for methods for producing moulds (2) or cores (2) for foundry purposes. When selecting the core box material, a special ceramic, such as for example silicon carbide or silicon nitride, is used instead of metals such as steel or aluminium. It is essential for the inventionthat a material (7) for receiving the mixture (9) is introduced into a housing (3), the material consisting of silicon carbide or silicon nitride, that electrical energy is supplied to the material (7) by way of electrodes (10) arranged in/on the housing (3) and in this way heat is supplied, leading to curing of the mixture (9). This allows longer service lives to be achieved for the core boxes as a result of low abrasive wear.

CORE PATTERN REFORMER TOOL
20200360985 · 2020-11-19 ·

A core pattern reformer system for adjusting and setting a core pattern for use in casting a gas turbine blade has a first portion having a first internal face with a concave portion. The first portion is coupled to a second portion. The second portion has a second internal face with a convex portion. A plurality of adjustable pins is positioned along the internal faces of the first portion and the second portion. The pins have a height that is adjustable with respect to the internal faces. A locking mechanism is included for securing the first portion to the second portion. The system includes one or more air inlets and one or more air exits and a source of cooling air coupled to the one or more air inlets.

METHOD AND MOLD TOOL OR CORE TOOL FOR PRODUCING MOLDS OR CORES
20200188988 · 2020-06-18 ·

The invention relates to a method for more quickly producing molds (2) or cores (2) for foundry purposes by adapting the specific electrical resistance in the selection of the core box to the mixture (9) of a molding material and of a water-containing binder, which binder, when dissolved, forms an electrolyte and has a sufficient electrical conductivity. It is essential to the invention that an electrically conductive material (7) for holding the mixture (9) is introduced into an electrically non-conductive housing (3), wherein the specific electrical conductivity of the material (7) at operating temperature (7) at least approximately corresponds to the specific electrical conductivity of the mixture (9) at temperatures between 100 C. and 130 C., and that electrical energy and thus heat are supplied to the material (7) via electrodes (10) arranged in/on the housing (3) (resistance heating principle), leading to curing of the mixture (9). Depending on the sand core, up to 30% shorter cycle times can be achieved.

CASTING TOOL, FOR EXAMPLE CORE SHOOTING TOOL OR PERMANENT MOULD, AND CORRESPONDING CASTING METHOD
20200147850 · 2020-05-14 ·

A casting tool, for example a core shooting tool or a permanent mould, having an upper tool part and a lower tool part, which on opposite sides each have at least one engraving formed as a shell engraving and which form a mould cavity, characterized in that the shell engraving on an outer side facing away from the mould cavity comprises at least one physical sensor which is configured to measure a physical quantity with respect to a material accommodated in the mould cavity. Furthermore, a corresponding casting method is described.