Casting mould, process and device for casting metal melts

Abstract

The invention relates to a casting mould for manufacturing a cast part from a metal melt (S), including a mould cavity (5) for reproducing a cast part and comprising an inlet for pouring metal melt into the mould cavity, and also to a device and a process for casting metal melts of this type. According to the invention, the casting mould provides further optimized casting results even under hard practical operating conditions. In addition, the use or application of the device according to the invention and the process minimizes the risk of jamming during casting. This is achieved in that the casting mould has at least one compensation chamber (8, 9) which is designed to absorb, as a buffer, the amount of excess melt which is no longer required for complete filling of the casting mould and is linked to the mould cavity via a channel (10, 11) and comprises at least one portion (8a, 9a) which is arranged above the maximum filling level (Fmax) of the casting mould during solidification of the metal melt (S).

Description

technical field [0001] The invention relates to a casting mold for producing castings from metal melts, for example light metal melts, in particular aluminum melts. The invention also relates to a device and a method for casting such metal melts into castings by using such casting moulds. Background technique [0002] One possibility for producing castings using casting molds of the type described above is so-called "contact casting". In such a casting method, the respective molds to be filled with melt are moved stepwise below a melt container containing the metal melt. A pouring opening is formed on the bottom of the container, which transitions into a supply channel, whose free end abuts the pouring opening of the corresponding mold. The outflow of the melt from the melt vessel is usually regulated here via a stopper, which can be moved from a completely lowered position (in which it closes the pour hole) to a raised position in which the pour hole is open And the melt...

AI Technical Summary

Problems solved by technology

[0004] Independently, for example, of carrying out mold filling with the simultaneous problem of the so-called "clogging shock" as complete filling is achieved

[0006] It has been shown in practice that, under the severe conditions present in actual casting operations, the mode of treatment described in DE 196 23 720 A1 still does not produce the required The reliability avoids undesired penetration of the inner wall of the mold

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