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Aluminum alloy for manufacturing vehicle skylight guide rails and production process thereof

A technology of automobile sunroof and production process, which is applied in the field of designing aluminum alloy processing and manufacturing, and can solve the problems of low production line production efficiency

Active Publication Date: 2020-06-05
广东齐力澳美高新材料股份有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] Although the above classification method combined with the corresponding stamping method has greatly improved the bending efficiency, it is necessary to perform hardness testing on all products before bending, resulting in low production efficiency of the overall production line

Method used

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  • Aluminum alloy for manufacturing vehicle skylight guide rails and production process thereof

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Experimental program
Comparison scheme
Effect test

Embodiment 1

[0020] An aluminum alloy production process for manufacturing automobile sunroof guide rails, comprising the following steps:

[0021] 1) Prepare aluminum alloys according to the following raw materials in parts by weight: Si 0.25%, Fe 0.1%, Cu 0.01%, Mn 0.03%, Mg 0.47%, Zn 0.02%, Ti 0.02%, single impurity ≤ 0.03%, impurity The total is ≤0.10%, and the balance is Al.

[0022] 2) Add the prepared aluminum alloy raw materials into the melting furnace to melt into aluminum liquid, and use electromagnetic stirring equipment to stir evenly; after stirring evenly, use a refining agent to refine and degas, and filter impurities in the aluminum liquid through a ceramic filter plate, and then The molten aluminum is cast into an aluminum alloy ingot. Among them, the purpose of electromagnetic stirring is to enhance the uniformity of the overall stirring, to avoid the uneven distribution of magnesium in the high-magnesium aluminum alloy, and the phenomenon of uneven hardness and mechani...

Embodiment 2

[0028] An aluminum alloy production process for manufacturing automobile sunroof guide rails, comprising the following steps:

[0029] 1) Prepare aluminum alloys according to the following raw materials in parts by weight: Si 0.31%, Fe 0.1%, Cu 0.01%, Mn 0.09%, Mg 0.53%, Zn 0.03%, Ti 0.01%, single impurity ≤ 0.03%, impurity The total is ≤0.10%, and the balance is Al.

[0030] 2) Add the prepared aluminum alloy raw materials into the melting furnace to melt into aluminum liquid, and use electromagnetic stirring equipment to stir evenly; after stirring evenly, use a refining agent to refine and degas, and filter impurities in the aluminum liquid through a ceramic filter plate, and then The molten aluminum is cast into an aluminum alloy ingot. Among them, the purpose of electromagnetic stirring is to enhance the uniformity of the overall stirring, to avoid the uneven distribution of magnesium in the high-magnesium aluminum alloy, and the phenomenon of uneven hardness and mechani...

Embodiment 3

[0036] An aluminum alloy production process for manufacturing automobile sunroof guide rails, comprising the following steps:

[0037] 1) Prepare 6063 aluminum alloy according to the following raw materials in parts by weight: 0.28% Si, 0.09% Fe, 0.02% Cu, 0.05% Mn, 0.50% Mg, 0.02% Zn, 0.015% Ti, single impurity ≤ 0.03%, The total amount of impurities is ≤0.10%, and the balance is Al.

[0038] 2) Add the prepared aluminum alloy raw materials into the melting furnace to melt into aluminum liquid, and use electromagnetic stirring equipment to stir evenly; after stirring evenly, use a refining agent to refine and degas, and filter impurities in the aluminum liquid through a ceramic filter plate, and then The molten aluminum is cast into an aluminum alloy ingot. Among them, the purpose of electromagnetic stirring is to enhance the uniformity of the overall stirring, to avoid the uneven distribution of magnesium in the high-magnesium aluminum alloy, and the phenomenon of uneven ha...

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Abstract

The invention discloses an aluminum alloy for manufacturing vehicle skylight guide rails and a production process thereof. The aluminum alloy comprises the following raw materials in parts by weight:0.25-0.31% of Si, Fe not more than 0.15%, Cu not more than 0.05%, 0.03-0.09% of Mn, 0.47-0.53% of Mg, Zn not more than 0.05%, Ti not more than 0.05%, single impurity not more than 0.05%, the sum of impurities not more than 0.15%, and the balance of Al. For vehicle skylight products, the requirements thereof on the mechanical performances of aluminum profiles are strict, for example, the hardness is 9.5-11.5 HW, and the yield strength is 120-160 Mpa. Through a specific formula and specific process, the hardness and yield strength of the skylight windows can be preferably stabilized within the range. During actual production, vehicle skylight guide rail profiles can be obtained through once machining and bending, so that the skylight bending efficiency is improved; and the radian of the products can reach within a tolerance of 0.4 mm, so that a previous aluminum profile screening procedure is totally prevented, the profile cracking phenomenon during machining is eliminated, a punching process has no need to be adjusted according to the hardness of the products, and the efficiency of a production line is improved by above 20%.

Description

technical field [0001] The invention relates to the technical field of aluminum alloy processing and manufacturing, and in particular relates to an aluminum alloy for manufacturing automobile sunroof guide rails and a production process thereof. Background technique [0002] Yield strength is the yield limit of plastic deformation of metal materials. When the difference in yield strength is large, when the same stress is applied, the degree of plastic deformation of the material will be different, resulting in a deviation in the bending arc, which will lead to secondary stamping or product scrapping . Due to the inability to perform tensile tests on all products and the destructive nature of tensile tests, currently the products are generally classified by measuring the hardness of the product using Webster hardness and estimating the yield strength of the product using the Webster hardness value. Through this classification method, metal materials with different yield stre...

Claims

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Application Information

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IPC IPC(8): C22C21/08C22C1/02C22C1/06C22F1/047C22F1/05
CPCC22C1/026C22C1/06C22C21/08C22F1/047C22F1/05
Inventor 周晶哲梁豪辉
Owner 广东齐力澳美高新材料股份有限公司
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