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Vertical semi-solid state cast rolling device and method

A semi-solid, cast-rolling technology, which is applied in the field of aluminum alloy casting-rolling equipment and manufacturing, can solve the problems of low production efficiency, easy blockage of casting nozzles, macro-segregation and micro-segregation, etc., to improve production efficiency, reduce alloy element segregation defects, The effect of reducing superheat

Inactive Publication Date: 2017-03-15
NORTHEASTERN UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] The purpose of the present invention is to provide a vertical semi-solid casting and rolling device and casting and rolling method to solve the technical problems of the existing casting and rolling method, such as low production efficiency, easy clogging of nozzles, and serious macro-segregation and micro-segregation phenomena

Method used

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  • Vertical semi-solid state cast rolling device and method
  • Vertical semi-solid state cast rolling device and method

Examples

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Embodiment 1

[0059] Figure 5 A schematic diagram of the microstructure of the AA6111 aluminum alloy cast-rolled slab provided in Example 1 of the present invention.

[0060] A vertical semi-solid casting and rolling device for aluminum alloy plates and strips, such as figure 1 As shown, it includes: heater 6, launder 2, casting nozzle 3, side sealing plate 5, left and right casting rolls (41, 42) with cooling water, arc guide plate 9, shearing device 8 , Rolling mill 12, horizontal roller table 11, pulse power supply device 13, casting and rolling strip 7.

[0061] The vertical semi-solid casting and rolling method of the AA6111 aluminum alloy plate and strip with a strip thickness of about 6mm, the specific operation steps are as follows:

[0062] Ingredients smelting: according to the standard composition (wt%) of AA6111 aluminum alloy Si: 1.20, Mg: 0.7, Cu: 0.7, Mn: 0.2, Fe: 0.2, Ti: 0.1, Al balance, industrial pure aluminum ingots, pure Magnesium ingots, aluminum-copper master allo...

Embodiment 2

[0067] Figure 6 A schematic diagram of the microstructure of the AA6016 aluminum alloy cast-rolled slab provided in Example 2 of the present invention.

[0068] The vertical semi-solid casting and rolling method of the AA6016 aluminum alloy plate and strip with a strip thickness of about 10mm, the specific operation steps are as follows:

[0069] Ingredients smelting: according to the standard composition (wt%) of AA6016 aluminum alloy Si: 1.20, Mg: 0.7, Cu: 0.2, Mn: 0.2, Fe: 0.2, Ti: 0.1, Al balance, industrial pure aluminum ingots, pure Magnesium ingots, aluminum-copper master alloys, aluminum-silicon master alloys, manganese agents, iron agents, and aluminum-titanium-boron master alloys are weighed in proportion, and industrial pure aluminum ingots are first put into the melting furnace for melting, and the temperature is set The value is 750°C. After the pure aluminum ingot is completely melted, add the above-mentioned various intermediate alloys and metal additives in o...

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Abstract

The invention discloses a vertical semi-solid state cast rolling device and method and relates to aluminum alloy cast rolling equipment and the technical field of manufacturing in order to solve the technical problems that an existing cast rolling method is low in production efficiency, a casting nozzle is prone to blockage, and serious macro segregation and micro segregation defects exist. The vertical semi-solid state cast rolling device comprises a platform, and a launder is arranged at the upper end of the platform; the lower end of the platform is provided with a casting nozzle which is communicated with the launder; the outlet position of the casting nozzle is horizontally and symmetrically provided with a left cast rolling roller and a right cast rolling roller; an outlet of the casting nozzle is higher than a center line of the left cast rolling roller and the right cast rolling roller; a flow dividing block is arranged in the casting nozzle in the width direction; and cooling water is introduced in a roller sleeve of the left cast rolling roller and a roller sleeve of the right cast rolling roller.

Description

technical field [0001] The invention relates to the technical field of aluminum alloy casting and rolling equipment and manufacturing, in particular to a vertical semi-solid casting and rolling device and a casting and rolling method. Background technique [0002] At present, the feeding methods of high-quality aluminum alloy plates and strips for industrial use mainly include direct cooling casting, casting and rolling, and continuous casting and rolling. Among them, the process of the direct cooling casting method mainly includes: semi-continuous ingot casting, head cutting, face milling, heating, hot rolling, intermediate annealing, cold rolling, heat treatment, etc. There are many production processes, and multiple heatings lead to high energy consumption. The cycle is long, the efficiency is low, and the equipment investment is large; Intermediate annealing and other processes, a processing technology in which liquid metal is directly poured into the gap between two ro...

Claims

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Application Information

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IPC IPC(8): B22D11/06
CPCB22D11/0622
Inventor 李勇贺晨王昭东李家栋王国栋许光明高冠军韩毅吴迪付天亮田勇王丙兴
Owner NORTHEASTERN UNIV
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