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Method for preparing aluminum rod for micronized drawing and prepared aluminum-alloy material

A technology of micro-drawing and aluminum alloy materials, which is applied in the field of metallurgy, can solve the problems of high processing costs of aluminum alloy rods for micro-drawing, and achieve the effects of reducing processing costs, refining recrystallized grains, and improving quality

Inactive Publication Date: 2017-10-27
JIANGSU HENGTONG ELECTRICAL SPECIAL WIRE CO LTD
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AI Technical Summary

Problems solved by technology

[0002] The production process of aluminum and aluminum alloy rods for micro-drawing is relatively special, and often requires high-end production equipment and top-level technology as a guide to guide production operations, which makes the processing cost of aluminum alloy rods for micro-drawing high.

Method used

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  • Method for preparing aluminum rod for micronized drawing and prepared aluminum-alloy material

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preparation example Construction

[0038] A kind of preparation method of aluminum rod for miniaturized drawing, see figure 1 : Pre-prepared aluminum liquid with aluminum alloy material composition ratio for micro-drawing to ensure that the main components of the aluminum liquid are Al≥98.70wt%, Si: 0.03-0.08wt%, Fe: 0.1-0.2wt%, V: 0.0001% ~ 0.001wt%, B: 0.005 ~ 0.010wt%; after that, the high-efficiency powder spraying refining agent is passed into the melt in the holding furnace filled with aluminum liquid for refining, and after the slag is removed, the composition ratio in the aluminum liquid is adjusted again to Al ≥98.70wt%, Si: 0.03-0.08wt%, Fe: 0.1-0.2wt%, V: 0.0001%-0.001wt%, B: 0.005-0.010wt%, after which the clean aluminum liquid is obtained by refining outside the furnace and removing slag, The clean aluminum liquid is cast, and then the cast blank is straightened, cooled and then rolled continuously to form an aluminum rod, and then quenched, cleaned and cooled to obtain an aluminum rod for micro-dr...

specific Embodiment

[0070] The specific embodiment obtains:

[0071] The aluminum ingots are selected from remelted aluminum ingots of the brand Al99.70 for optimized use;

[0072] Attached figure 1 The process flow is to put the aluminum ingot into the melting furnace with a melting rate of 8t / h for melting. When the temperature of the molten aluminum in the melting furnace is ≥720°C, transfer it to the holding furnace to stir evenly and raise the temperature rapidly, and then take samples in the molten aluminum with direct reading The spectrometer performs rapid analysis to detect the contents of Al, Si, Fe, V, and B in the solution. According to the inspection results, the total amount of aluminum ingot feeding and the composition of each master alloy, calculate the required addition amount of aluminum-silicon, aluminum-iron, aluminum-vanadium, aluminum-boron master alloys. When the temperature of molten aluminum in the holding furnace is 740±10°C, add aluminum-silicon, aluminum-iron, alumin...

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Abstract

The invention provides a method for preparing an aluminum rod for miniaturized drawing, and the aluminum alloy rod prepared by the method fully meets the requirements after being verified by wire drawing, thereby reducing the processing cost. Pre-prepared aluminum liquid with aluminum alloy material composition ratio for micro-drawing to ensure that the main components of aluminum liquid are Al≥98.70wt%, Si: 0.03-0.08wt%, Fe: 0.1-0.2wt%, V: 0.0001 % ~ 0.001wt%, B: 0.005 ~ 0.010wt%; after that, the high-efficiency powder spraying refining agent is passed into the melt in the holding furnace filled with aluminum liquid for refining, and after the slag is removed, the composition ratio in the aluminum liquid is adjusted again to be Al≥ 98.70wt%, Si: 0.03~0.08wt%, Fe: 0.1~0.2wt%, V: 0.0001%~0.001wt%, B: 0.005~0.010wt%, after that, the clean aluminum liquid is obtained by refining outside the furnace and removing slag. The clean aluminum liquid is cast, and then the cast blank is straightened, cooled and rolled continuously to form an aluminum rod, and then quenched, cleaned and cooled to obtain an aluminum rod for micro-drawing.

Description

technical field [0001] The invention relates to the technical field of metallurgy, in particular to a method for preparing an aluminum rod for micro-drawing, and the invention also provides an aluminum alloy material for micro-drawing. Background technique [0002] The production process of aluminum and aluminum alloy rods for micro-drawing is quite special, and high-end production equipment and top-level technology are often required to guide the production operation, which makes the processing cost of aluminum alloy rods for micro-drawing high. Contents of the invention [0003] In view of the above problems, the present invention provides a method for preparing an aluminum rod for micro-drawing. The aluminum alloy rod prepared by the method fully meets the requirements after wire drawing verification, and the processing cost is reduced, and the obtained aluminum alloy rod is produced by this method The rod can refine the recrystallized grains of subsequent products, and...

Claims

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Application Information

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IPC IPC(8): C22C1/06C22C1/02C22C21/00
CPCC22C1/06C22C1/026C22C21/00
Inventor 蔺亚强孟博丁晓华贾伟张佳辉
Owner JIANGSU HENGTONG ELECTRICAL SPECIAL WIRE CO LTD
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