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Jetting rolling equipment and method of application of jetting rolling equipment to aluminum alloy plate strip preparing process

A rolling equipment and secondary rolling technology are applied in the development of sheet metal manufacturing equipment and applications to achieve the effects of fast solidification, excellent formability and high strength

Active Publication Date: 2017-09-22
长沙博朗思达金属材料有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0007] The present invention aims at the deficiencies of the prior art and the problems found in previous studies, and provides a spray rolling equipment and its application method in the preparation process of aluminum alloy plates and strips

Method used

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  • Jetting rolling equipment and method of application of jetting rolling equipment to aluminum alloy plate strip preparing process
  • Jetting rolling equipment and method of application of jetting rolling equipment to aluminum alloy plate strip preparing process
  • Jetting rolling equipment and method of application of jetting rolling equipment to aluminum alloy plate strip preparing process

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0054] A silicon-aluminum alloy with a silicon content of 27% is prepared by spray rolling technology, and the specific process and parameters are as follows:

[0055] 1) The silicon content in the alloy is 27%, and the balance is aluminum.

[0056] 2) As attached figure 1 As shown, a linear nozzle is set above the vertical height of the two counter-rotating crystallization rollers (also forming rollers) with a vertical height of 550mm. Above the linear nozzle is the melting chamber. Solid state, deposited on the crystallization roller after flying for a certain distance, due to the continuous impact of the atomized metal, the semi-solid particles stick to each other, and bite into the crystallization roller with the rotation of the crystallization roller, and the metal layer is further densified to form a plate with a certain thickness; crystallization A pair of positioning rolls is set at a vertical distance of 650mm directly below the roll gap, which is used to accurately ...

Embodiment 2

[0068] The 7055 aluminum alloy was prepared by spray rolling technology. The specific process and parameters are as follows:

[0069] 1) The contents of zinc, magnesium, copper and zirconium in the alloy are 8.5%, 2.2%, 2.5% and 0.2% respectively, and the balance is aluminum.

[0070] 2) As attached figure 1As shown, a linear nozzle is set above the vertical height of the two counter-rotating crystallization rollers (also forming rollers) with a vertical height of 550 mm. Above the linear nozzle is a melting chamber. After the alloy raw material is smelted, the molten metal is atomized into a semi-solid state through the nozzle. , deposited on the crystallization roller after flying for a certain distance, due to the continuous impact of the atomized metal, the semi-solid particles stick to each other, and bite into the crystallization roller with the rotation of the crystallization roller, and the metal layer is further densified to form a plate with a certain thickness; the ...

Embodiment 3

[0082] The 2024 aluminum alloy was prepared by spray rolling technology. The specific process and parameters are as follows:

[0083] 1) The contents of copper, magnesium, manganese and silicon in the alloy are 4.9%, 1.8%, 0.9% and 0.5% respectively, and the balance is aluminum.

[0084] 2) As attached figure 1 As shown, a linear nozzle is set above the vertical height of the two counter-rotating crystallization rollers (also forming rollers) with a vertical height of 550 mm. Above the linear nozzle is a melting chamber. After the alloy raw material is smelted, the molten metal is atomized into a semi-solid state through the nozzle. , deposited on the crystallization roller after flying for a certain distance, due to the continuous impact of the atomized metal, the semi-solid particles stick to each other, and bite into the crystallization roller with the rotation of the crystallization roller, and the metal layer is further densified to form a plate with a certain thickness; ...

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Abstract

The invention relates to jetting rolling equipment and a method of application of jetting rolling equipment to the aluminum alloy plate strip preparing process, and belongs to the development technical field of plate manufacturing equipment and application. The jetting rolling equipment is vertical jetting rolling equipment. The vertical jetting rolling equipment sequentially comprises a charging port, a smelting chamber, crystallization rollers, positioning rollers, secondary rolling rollers and a steering roller from top to bottom. A linear nozzle is arranged at the bottom of the smelting chamber and connected with the smelting chamber, and the linear nozzle is provided with a liquid leaking port and an air injection device. The liquid leaking port comprises a liquid inlet end and a liquid outlet end. The liquid outlet end is rectangular. The developed equipment and method are suitable for various series of aluminum alloys and particularly suitable for high-alloy-content aluminum alloys and belong to the aluminum alloy plate strip preparing and machining field.

Description

Technical field: [0001] The invention relates to spray rolling equipment and its application method in the preparation process of aluminum alloy plate and strip; it belongs to the development technical field of plate manufacturing equipment and application. Background technique [0002] Spray rolling is a continuous preparation technology of plate and strip that combines spray deposition and traditional rolling process. First, the melted metal is atomized into a semi-solid slurry with a certain solid / liquid ratio by high-pressure gas, which is deposited on the surface of the roll after a directional flight for a certain distance, and the semi-solid slurry is densified by the roll to become a strip. [0003] The advantage of spray deposition is that the prepared alloy structure is uniform and fine, without macro-segregation, but the porosity is high, and secondary thermal processing is required; the advantage of traditional twin-roll thin strip continuous casting is that it o...

Claims

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Application Information

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IPC IPC(8): B21C37/02B22F3/115
CPCB21C37/02B22F3/003B22F3/115
Inventor 王日初
Owner 长沙博朗思达金属材料有限公司
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