Manufacturing method of vehicle aluminum alloy radiating fin

A production method and aluminum alloy technology, applied in heat exchange equipment, lighting and heating equipment, household components, etc., can solve the problems of poor electrical conductivity, poor product plasticity, and weak comprehensive performance of products, and achieve excellent performance and enhanced mechanical properties , the effect of comprehensive performance enhancement

Active Publication Date: 2010-03-03
东莞市奥达铝业有限公司
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Problems solved by technology

[0002] At present, the production of aluminum alloy heat sinks for automobiles adopts the national standard of aluminum alloy 6060 (GB / T6892-2006) for extrusion molding, and the resulting products have the following defects: 1. Poor mechanical properties, such as tensile strength (140Rm / Mpa), yield (100R 0.2 / Mpa), hardness (9 ~ 12 degrees), etc. are weak; 2. The conductivity of the product is poor, such as low conductivity; 3. The plasticity of the product is poor and the comprehensive performance is weak

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  • Manufacturing method of vehicle aluminum alloy radiating fin

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Embodiment

[0038] by figure 1 The product shown is an example: since the product is prone to cracks during processing, and the tongue of the product is relatively large, it is easy to cause the mold to break during the extrusion process, so the hardness of the product should not be too high. 6060 alloy is used to control the content of Si and Mg At the lower limit, the Fe content is also strictly controlled; 40-mesh high-temperature ceramic filter plate is used to filter, and the slag and gas are completely removed during smelting. In the extrusion process, the temperature and time of the ingot and mold are strictly controlled, and the products formed by extrusion are aged in an aging furnace, and the time and temperature are strictly controlled to make the hardness reach the standard.

[0039] Specific operation method:

[0040] Recycled smelting of molten aluminum

[0041] 1. Ingredients:

[0042] Aluminum ingot A00 (98.8%) for remelting accounts for 85%, and the rest is leftovers, ...

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Abstract

The invention relates to the technical field of manufacturing radiating fins, in particular to a manufacturing method of a vehicle aluminum alloy radiating fin. The vehicle aluminum alloy radiating fin is manufactured in the mode of heating extrusion; aluminum alloy is obtained by aluminum liquid regeneration smelting, wherein, smelted aluminum liquid contains 85% of aluminum ingot A00 and residual leftover material in percentage by weight; generated aluminum alloy comprises the following components in percentage by weight: 0.325-0.355% of silicon, 0.50-0.54% of magnesium, 0.10-0.30% of iron,less than 0.02% of copper, less than 0.02% of manganese, less than 0.02% of chromium, less than 0.02% of zinc, less than or equal to 0.03% of titanium, less than or equal to 0.05% of other single impurity by control, less than 0.15% of total trace element, and the balance aluminum. The invention has the beneficial effect of simple technology and low cost; in addition, the invention fully utilizesleftover and accelerates industry development, each performance parameter of the manufactured radiating fin is relatively improved, so that the radiating fin has favorable performance.

Description

Technical field: [0001] The invention relates to the technical field of manufacturing heat sinks, in particular to a production method for making aluminum alloy heat sinks for automobiles. Background technique: [0002] At present, the production of aluminum alloy heat sinks for automobiles adopts the national standard of aluminum alloy 6060 (GB / T6892-2006) for extrusion molding, and the resulting products have the following defects: 1. Poor mechanical properties, such as tensile strength (140Rm / Mpa), yield (100R 0.2 / Mpa), hardness (9-12 degrees), etc. are weak; 2. The electrical conductivity of the product is poor, such as low electrical conductivity; 3. The plasticity of the product is poor and the comprehensive performance is weak. Therefore, in view of the lack of the above-mentioned conventional production of aluminum alloy heat sinks for automobiles, the applicant adheres to the spirit of research, innovation, and excellence, and utilizes his professional vision and ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F28F21/08F28F3/02C22C21/08C22C1/02C22F1/047B21K23/00
Inventor 余发波
Owner 东莞市奥达铝业有限公司
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