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Production method of 5754 aluminum alloy blank using cast rolling machine

A production method and casting-rolling machine technology are applied in the field of producing 5754 aluminum alloy blanks, which can solve the problems of high technical requirements and production costs, high energy consumption and production costs, and large investment in equipment, and achieve low cost, short production process, and high energy efficiency. The effect of low consumption

Active Publication Date: 2009-02-04
YUNNAN ALUMINUM
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] At present, the production of 5754 aluminum alloy blanks generally adopts two production methods: ingot hot rolling and Hazlitt. The production cost is very high, and the flexibility of production is poor, which is more suitable for mass production

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0013] Add 80% of electrolytic aluminum liquid, 20% of aluminum ingots (or aluminum scrap) and high-purity magnesium ingots (3.2% added) into the furnace, and then smelt below 750°C. The chemical composition is tested, and the magnesium content is controlled in the range of 2.8 to 3.2%. Inside, after meeting the composition requirements of 5754 alloy, pass high-purity N 2 (purity 99.999%, operated according to the conventional method on the technical manual) and a refining agent with 2% of the total amount of molten aluminum (trade name, provided by Kunming Wuhua Institute of Applied Technology, its main components are sodium chloride\potassium chloride, etc. salts) for refining, enter the (12 tons) static furnace, add grain refiner aluminum titanium boron wire (2% of the total amount of aluminum liquid), refine, on-line N 2 Degassing, filtering, using Rolling is carried out in a casting-rolling mill. The temperature of the front box is 670-685°C and the rolling speed is 0.7...

Embodiment 2

[0015] Add 70% of electrolytic aluminum liquid, 30% of aluminum ingots (or aluminum scrap) and high-purity magnesium ingots (3.0% added) into the furnace, and then smelt below 750°C. The chemical composition is tested, and the magnesium content is controlled in the range of 2.8 to 3.0%. Inside, after meeting the composition requirements of 5754 alloy, pass high-purity N 2 (purity 99.999%) and the refining agent (trade name, provided by Kunming Wuhua Institute of Applied Technology, whose main components are salts such as sodium chloride\potassium chloride) and aluminum liquid total amount 1% are refined, enter (12 t) standing in the furnace, adding 1.5% of the grain refiner aluminum titanium boron wire (total amount of aluminum liquid) for refinement, online N 2 Degassing, filtering, using Rolling is carried out in a casting-rolling mill. The temperature of the front box is 670-685°C and the rolling speed is 0.76m / min. After continuous condensation and rolling in the roll ...

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PUM

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Abstract

The invention discloses a manufacturing method of 5754 aluminium alloy blank through casting machine, which comprises the following steps: fusing alloy aluminium liquid; refining; filtering; casting; obtaining the cast coil or board.

Description

technical field [0001] The invention relates to the technical field of aluminum processing, in particular to a production method for producing 5754 aluminum alloy blanks by using a casting and rolling machine. Background technique [0002] At present, the production of 5754 aluminum alloy blanks generally adopts two production methods: ingot hot rolling and Hazlitt. These two methods have huge investment in equipment, high technical requirements and production costs, especially in ingot hot rolling. The production cost is very high, and the flexibility of production is poor, which is more suitable for mass production. The original ingot hot rolling production process is: smelting → refining → ingot casting → homogenization sawing → milling → heating → hot rolling → coiling → testing → finished product. Contents of the invention [0003] The object of the present invention is to provide a production method for producing 5754 aluminum alloy billet by using a casting and rol...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C22C21/06C22C1/02C22C1/06B21B1/46B21B37/46B21B37/74B22D21/04C22F1/06
Inventor 田永陈德斌李全胥福顺肖明富姜伟李永平张俊涛付利智郑兴贵
Owner YUNNAN ALUMINUM
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