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Track aluminum profile

A technology of aluminum profiles and rails, which is applied in the direction of metal extrusion control equipment, manufacturing tools, metal extrusion, etc., can solve problems such as failure to meet mechanical performance requirements, decline in rail accuracy, and low-strength rails, etc., to achieve finished products High efficiency, thin residual material thickness, and the effect of eliminating coarse crystal rings

Active Publication Date: 2022-05-06
JIANGYIN MUXIANG ENERGY SAVING DECORATION MATER
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the simple U-shaped structure cannot meet the mechanical performance requirements in part of the track structure; at the same time, the traditional 6-series aluminum alloy track is increasingly unable to meet the needs of the track due to its low strength. At present, the track-shaped aluminum profiles at home and abroad In terms of strength, the highest is about 360Mpa, which can only meet the requirements of light hoisting of less than 1 ton, and the operation is variable in a high temperature environment exceeding 150 degrees Celsius. When the hoisting weight is too heavy and the strength of the track profile is not enough, friction and sliding parts Under the action of gravity, the side wall of the chute will be damaged, resulting in a decrease in the accuracy of the track during use

Method used

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Experimental program
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Effect test

Embodiment 1

[0028]A track aluminum profile, composed of the following elements by weight percentage: Mg content accounts for 1.5%, Si content accounts for 0.2%, Zn content accounts for 4.0%, V content accounts for 0.12%, Mn content accounts for Ratio is 2.2%, Cu content is 4.4%, Cd is 1.3%, Cr is 0.3%, mixed rare earth is 0.1%, Ti is 0.05%, Zr is 0.08%, The balance is Al.

[0029] The preparation method of the track aluminum profile comprises the following steps:

[0030] (1) select elemental metal raw materials with purity ≥ 99.90% according to weight;

[0031] (2) Add aluminum ingots or molten aluminum into the melting furnace, heat and keep it above 740°C, add Si, Mn, Mg, Cu, Zn raw materials, stir until they melt into a liquid state, and then raise the furnace temperature to 930°C , add V, Cd, Cr, Ti, Zr, mixed rare earth raw materials, stir and melt;

[0032] (3) Use argon to purify the above-mentioned alloy melt, refine it in the furnace, remove the slag after refining, let it st...

Embodiment 2

[0046] A rail aluminum profile, the main component content is calculated by mass percentage: the proportion of Mg content is 1.35%, the proportion of Si content is 0.13%, the proportion of Zn content is 3.4%, the proportion of V content is 0.1%, and the proportion of Mn content is 2.0%, Cu content accounted for 3.9%, Cd content accounted for 0.7%, Cr content accounted for 0.2%, mixed rare earth content accounted for 0.1%, Ti content accounted for 0.04%, Zr content accounted for 0.06%, the balance is Al.

[0047] The preparation method of the track aluminum profile comprises the following steps:

[0048] (1) select elemental metal raw materials with purity ≥ 99.90% according to weight;

[0049] (2) Add aluminum ingot or molten aluminum into the smelting furnace, heat and keep it above 735°C, add Si, Mn, Mg, Cu, Zn raw materials, stir until it melts into a liquid state, and then raise the furnace temperature to 900°C , add V, Cd, Cr, Ti, Zr, mixed rare earth raw materials, sti...

Embodiment 3

[0064] A rail aluminum profile, the main component content is calculated by mass percentage: the proportion of Mg content is 1.4%, the proportion of Si content is 0.15%, the proportion of Zn content is 3.7%, the proportion of V content is 0.10%, and the proportion of Mn content is The content of Cu is 1.0%, the content of Cu is 3.5%, the content of Cd is 0.5%, the content of Cr is 0.1%, the content of mixed rare earth is 0.1%, the content of Ti is 0.01%, and the content of Zr is 0.01%. 0.04%, the balance is Al.

[0065] The preparation method of the track aluminum profile comprises the following steps:

[0066] (1) select elemental metal raw materials with purity ≥ 99.90% according to weight;

[0067] (2) Add aluminum ingot or molten aluminum into the smelting furnace, heat and keep it above 735°C, add Si, Mn, Mg, Cu, Zn raw materials, stir until it melts into a liquid state, and then raise the furnace temperature to 900°C , add V, Cd, Cr, Ti, Zr, mixed rare earth raw materi...

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Abstract

The invention discloses a rail aluminum profile and a preparation method thereof. The rail aluminum profile comprises the following main components in percentage by mass: 1.35-1.5% of Mg, 0.1-0.2% of Si, 2.0-4.0% of Zn (Zn = 2.7 Mg), 0.09-0.12% of V, 1.0-2.2% of Mn, 3.5-4.5% of Cu, 0.1-1.3% of Cd, 0.1-0.3% of Cr, 0.1% of mischmetal, 0.01-0.05% of Ti and the balance of aluminum and inevitable impurities, the content of Zr accounts for 0.04-0.08%, and the balance is Al. According to the method, raw materials are prepared according to the mass ratio, semi-continuous casting is used, and the extrusion process and the solution treatment process are optimized, so that the strength and the tensile property of the track are greatly improved, the loading capacity of the track is enhanced, meanwhile, the stability of a track sliding groove is improved, and the requirement for the performance of the track in industrial manufacturing is met.

Description

technical field [0001] The invention relates to the field of profiles, in particular to a rail aluminum profile and a processing technology thereof. Background technique [0002] As a lightweight material, aluminum alloy has been paid more and more attention by people, and its application has become more and more extensive. Aluminum alloy profiles have just begun to be used for track profiles. However, the simple U-shaped structure cannot meet the mechanical performance requirements in part of the track structure; at the same time, the traditional 6-series aluminum alloy track is increasingly unable to meet the needs of the track due to its low strength. At present, the track-shaped aluminum profiles at home and abroad In terms of strength, the highest is about 360Mpa, which can only meet the requirements of light hoisting of less than 1 ton, and the operation is variable in a high temperature environment exceeding 150 degrees Celsius. When the hoisting weight is too heavy a...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C22C21/10C22C21/18C22C21/16C22C21/14C22C1/02C22F1/053C22F1/057B21C31/00B21C23/32
CPCC22C21/10C22C21/18C22C21/16C22C21/14C22C1/026C22F1/053C22F1/057C22F1/002B21C31/00B21C23/32
Inventor 郭博郭亚霓程晓东
Owner JIANGYIN MUXIANG ENERGY SAVING DECORATION MATER
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