SU1574351A1 - Arrangement for casting ingots - Google Patents

Abstract

The invention relates to metallurgy and can be used to cast ingots from secondary non-ferrous metals. The purpose of the invention is to improve the quality of the main part of the metal due to the shift of the zone with macrodefects to the side wall of the ingot. The device comprises a siphon-mounted pallet, volume lateral and end walls of the mold installed on it and a separating multi-section insert placed in the cavity of the mold, made in the form of a main vertical partition located in the center of the cavity of the mold parallel to the side walls and rigidly connected with secondary partitions. The thickness of the partitions is 0.001 - 0.02 distance between the side walls of the mold, and the partitions themselves are made of metallic, non-metallic or combined materials. 2 Il.

Description

one

(21) 4242255 / 31-02

(22) 03/06/87

(46) 06/30/90. Bul No. 24

(71) Izhevsk Mechanical Institute

(72) V.L. Timofeev

(53) 621.746.393 (088.8;

(56) USSR Copyright Certificate No. 495145, cl. On 22 D 7/08, 1975.

USSR Author's Certificate (R 599913, cl. B 22 D 7/08, 1978.

(54) DEVICE FOR CASTING INGOTS

(57) The invention relates to metallurgy and can be used to cast ingots from secondary non-ferrous metals. 11el invention - improving the quality of the main part of the metal

due to the displacement of the zone with macrodefects to the side wall of the ingot. The device contains a pallet with siphon wiring, volume side and end walls of the mold installed on it and a separating multi-section insert placed in the cavity of the mold made in the form of a main vertical partition located centrally in the cavity parallel to the side walls and secondary partitions connected to it. The thickness of the partitions is 0.001-0.02 distances between the side walls of the mold, and the partitions themselves are made of metallic, non-metallic or combined materials. 2 Il.

§

I

The invention relates to metallurgy, in particular to ingot casting devices, and can be used to cast ingots from secondary non-ferrous alloys.

The purpose of the invention is to improve the quality of the main part of the metal due to the shift of the zone with macroscopic defects to the side wall of the ingot.

FIG. 1 shows a schematic longitudinal section; in fig. 2 - the same cross section.

The device contains a pallet 1 with siphon wiring 2, detachable side (wide) 3 chi end (narrow) 4 walls of the mold installed on it and a separating multi-section insert placed in the cavity of the mold, made in the form of a main vertical partition 5 located in the center of the cavity of the mold parallel to

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side walls, and secondary partitions rigidly connected with it 6. The thickness of the partitions is 0.001-0.02 of the distance between the side walls of the mold. Partitions can be made of metal, non-metallic or composite materials. Thinner partitions (less than 0.001 width of the cavity of the mold) do not provide the necessary stiffness of the insert, and thicker (more than 0.02 width of the cavity of the mold) leads to a change in the conditions of crystallization of the ingots and the displacement of the defect zone to the center of the ingot.

Preparation for casting and operation of the device are carried out as follows.

On the pallet 1 with siphon wiring 2 install side 3 and torso

Four mold molds, and in the cavity of the mold are placed a separating multi-section insert, for example a metal from sheet steel. Then, a liquid metal, such as a secondary aluminum alloy, is siphoned. After solidification of the metal and cooling of the formed ingots, the mold is disassembled, the separating insert and the ingots are removed, and the latter are sent to the section with macrodefects. Then the cycle repeats.

In the process of crystallization of individual ingots in the cavity formed by the wall of the mold and the partitions of the separating insert, the conditions for one-sided heat removal through the massive wall of the mold and the displacement of impurities of the macrodefects in each of these simultaneously produced ingots to the upper part of the inner wall contacting the main partition 5. In such ingots, the defective zone is easily removed mechanically and as a result, ingots from secondary nonferrous alloys, as ETS metal which practically

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not inferior to the quality of primary alloys.

Thus, the proposed device for casting ingots makes it possible to improve the quality of the main part of the metal ingots from secondary nonferrous alloys to the level of properties of the metal of the primary ingots.

Claims (1)

Invention Formula A device for casting ingots, mainly from secondary non-ferrous alloys, containing a pallet, detachable side (wide) and face (narrow) walls of the mold installed on it, characterized in that, with, the purpose of improving the quality of the main part of the metal due to the displacement of the zone with macroscopic defects to the side wall of the ingot, it is provided with a separating multi-section insert placed in the cavity of the mold made in the form of a main vertical partition located in the center of the cavity of the mold parallel to the side Tenkai and rigidly associated therewith the secondary partitions, and the thickness of the partitions is 0.001-0.02 distance between the side walls of the mold. four / FIG. 2