Casting installation for casting metal casting material and method for casting metal casting material

The casting system addresses usability challenges by converting liquid metallic material into a thixotropic state using electromagnetic stirring, enhancing precision and reducing oxidation, thus improving operational efficiency.

EP4587208B1Active Publication Date: 2026-07-08LKR LEICHTMETALLKOMPETENZ ZENT RANSHOFEN GMBH
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Patent Information

Authority / Receiving Office
EP · EP
Patent Type
Patents
Current Assignee / Owner
LKR LEICHTMETALLKOMPETENZ ZENT RANSHOFEN GMBH
Filing Date
2023-08-24
Publication Date
2026-07-08

AI Technical Summary

Technical Problem

Existing casting systems for metallic materials face challenges in usability, particularly in transitioning from liquid to thixotropic states, which often require complex processes and larger footprints, and are prone to oxidation and material loss.

Method used

A casting system with a metering container that includes a conditioning station equipped with an induction unit for electromagnetic stirring, allowing the conversion of liquid casting material into a thixotropic state within an evacuable receiving chamber, minimizing oxidation and material loss.

Benefits of technology

Enables efficient and high-precision thixotropic casting with reduced effort, achieving a high degree of usability and operational efficiency by controlling the solid-phase fraction and temperature of the casting material.

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Abstract

The invention relates to a casting installation (1) for casting metal casting material, wherein the casting installation (1) has a melt-pool container (2) for providing casting material in a liquid state, a casting device (4), designed for forcing casting material into a casting die of the casting device (4), and a dosing container (5), which can be moved from the melt-pool container (2) to the casting device (4) and is in particular designed as a dosing pipette, so that the dosing container (5) can take up a dosable amount of casting material from the melt-pool container (2) into a receiving space (8) of the dosing container (5) and deliver it to the casting device (4), wherein the dosing container (5) is coupled to an evacuation device (11) of the casting installation (1) in order to use the evacuation device (11) to evacuate the receiving space (8) to form a negative pressure in the receiving space (8) for the purpose of receiving the amount of casting material into the receiving space (8). To achieve a high level of operational capability, it is provided that the casting installation (1) has a conditioning station (3) with an induction unit (7), wherein, before the dosing container (5) delivers casting material to the casting device (4), it is possible, in particular as a matter of choice, for the dosing container (5) to be moved in relation to the conditioning station (3), in order for the casting material to be agitated electromagnetically by means of the induction unit (7) for transforming the casting material into a thixotropic state. The invention also relates to a method for casting metal casting material.
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