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Aluminum alloy electromagnetic field auxiliary casting crystallizer

A casting crystallizer and electromagnetic field technology, which is applied in the field of aluminum alloy electromagnetic field assisted semi-continuous casting crystallizers, can solve the problems of easy leaking and difficult casting forming, and achieve the requirements of reducing friction, reducing control accuracy, and improving penetration ability Effect

Inactive Publication Date: 2008-05-28
苏州有色金属研究院有限公司
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Problems solved by technology

However, electromagnetic casting requires very precise matching of casting parameters and electromagnetic parameters, otherwise it is easy to leak or even difficult to form

Method used

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  • Aluminum alloy electromagnetic field auxiliary casting crystallizer

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Embodiment Construction

[0020] The aluminum alloy electromagnetic field assisted casting crystallizer of the present invention, the electromagnetic induction coil is arranged in the crystallizer to generate the auxiliary electromagnetic field, and the electromagnetic constraint force and the crystallizer wall are used to constrain the molding, so as to reduce the harsh operation requirements of electromagnetic casting, and at the same time improve the surface of the aluminum alloy ingot quality.

[0021] As shown in Figure 1, an aluminum alloy electromagnetic field assisted casting mold includes an upper wall 2, a lower wall 4, an outer wall 5 and an inner wall 1, forming a frame structure. The inner wall 1 of the crystallizer is made of forged aluminum, and the thickness of the inner wall 1 is 5 ~ 15mm, and the inner wall is provided with slits. The upper wall, lower wall and outer wall of the crystallizer are not cut, but the thickness is inconsistent. The thickness of the upper wall and the lower ...

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Abstract

The invention provides an aluminum alloy electromagnetic field assistant casting crystallizer, comprising an upper wall, a lower wall, an outer wall and an inner wall. The inner wall of the crystallizer is made of forged aluminum material, has thickness of 5 to 15mm and a slit is arranged on the inner wall. The thickness of the upper wall and the lower wall is from 10 to 20mm and the thickness of the outer wall is from 15 to 30mm. An electromagnetic induction coil is arranged in the internal part of the crystallizer, the electromagnetic induction coil has copper plate structure which is fixed in the internal part of the crystallizer through the insulation coils of the upper end and the lower end of the copper plate structure, and a hole is cut on an upper side of the copper plate. The crystallizer of the invention can be applied to the semi-continuous casting of the aluminum alloy. Electromagnetic force is utilized to reduce the touching pressure of a smelting body and the inner wall of the crystallizer to reduce friction and dramatically improve the surface quality of ingots. The technology still adopts the crystallizer wall as a support for aluminum alloy liquids, thus greatly reducing the accuracy-control requirement of casting technique and providing better equipment adaptability.

Description

technical field [0001] The invention relates to an aluminum alloy electromagnetic field assisted semi-continuous casting crystallizer, which belongs to the technical field of aluminum alloy semi-continuous casting. Background technique [0002] Direct cooling semi-continuous casting is the main way to produce aluminum alloy round ingots and slabs at present. The characteristic of this process is that the liquid metal is introduced into the water-cooled crystallizer through the launder, and the liquid metal is cooled by the crystallizer wall under the primary cooling effect. Solidify into a crust, while the center of the ingot is still liquid. As the casting platform moves down, the ingot gradually escapes from the crystallizer and contacts the cooling water in the crystallizer, and the entire ingot is solidified and formed under the secondary cooling of the cooling water. [0003] Since the direct-cooling semi-continuous casting process mostly uses a copper crystallizer, th...

Claims

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Application Information

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IPC IPC(8): B22D11/115
Inventor 王家淳郭世杰刘金炎马科
Owner 苏州有色金属研究院有限公司
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