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Production technology for aluminium alloy casting rod special for automobile Peugeot hubs

A technology for automobile wheels and aluminum alloys, which is applied in the field of aluminum alloy cast rod production, can solve the problems of low mechanical properties, and achieve the effects of light weight, high corrosion resistance and fatigue resistance, and good cutting performance

Inactive Publication Date: 2014-08-06
秦皇岛开发区美铝合金有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The aluminum alloy wheels produced by this method are one-time casting without reprocessing, the metal texture does not change, and there is a problem of low mechanical properties.

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment

[0028] Aluminum alloy casting rods for Peugeot automobile wheels, the composition and weight percentage are as follows:

[0029] Al95.95~97.30%, Si0.8~1.3%, Fe0.2~0.4%, Cu≤0.1%, Mn0.5~0.9%, Mg0.8~1.0%, Cr≤0.15%, Zn≤0.1%, Ti0.05~0.10%;

[0030] The production process of aluminum alloy casting rods for Peugeot automobile wheels:

[0031] (1) Melting

[0032] The composition Al95.95~97.30%, Si0.8~1.3%, Fe0.20~0.4%, Cu≤0.1%, Mn0.5~0.9%, Mg0.8~1.0%, Cr≤0.15%, Zn≤ 0.1%, Ti0.05~0.10% are placed in the smelting furnace according to the weight ratio mentioned above for smelting. Control it within the range of 745°C±5°C, then use the stirring device to stir the aluminum alloy melt evenly, and then use the metallurgical slag removal device to remove the slag, and then make the aluminum alloy melt;

[0033] (2) Refining and standing

[0034] Lead the molten aluminum alloy in the smelting furnace into the static furnace, spray No. 2 flux powder into the molten aluminum alloy with argo...

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PUM

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Abstract

The invention relates to a production technology for an aluminium alloy casting rod special for automobile Peugeot hubs. The casting rod comprises the following compositions in percent by weight: 95.95-97.30% of Al, 0.8-1.3% of Si, 0.20-0.4% of Fe, 0.1% or less of Cu, 0.5-0.9% of Mn, 0.8-1.0% of Mg, 0.15% or less of Cr, 0.1% or less of Zn and 0.05-0.10% of Ti. The production technology comprises: weighing the compositions, placing in a melting furnace for melting with the melting temperature of 745 DEG C + / -5 DEG C, removing slag by employing a metallurgy slag-removing apparatus, so as to prepare an aluminium alloy melt; introducing the aluminium alloy melt into a standing furnace, adding a fluxing agent powder No. 2 for refining for 30 min, then standing the refined alloy aluminium melt in the standing furnace with the standing furnace temperature of 735 DEG C-745 DEG C for 30 min; performing molding casting on the aluminium alloy melt by employing a hot-top casting machine, so as to obtain an aluminium alloy casting rod; processing the casted aluminium alloy casting rod, and placing in a homogenization furnace to process for 12 h; transferring the aluminium alloy casting rod subjected to homogenization processing into a cooling chamber, and employing a blower fan to perform forced cooling, so as to prepare the aluminium alloy casting rod special for automobile Peugeot hubs.

Description

technical field [0001] The invention relates to a production process of aluminum alloy casting rods specially used for Peugeot automobile wheels, in particular to the production technology of aluminum alloy casting rods specially used for manufacturing Peugeot automobile wheel hubs, and belongs to the technical field of aluminum alloy casting rod production. Background technique [0002] The wheel hub is an important part of the car, and its quality directly affects the performance and aesthetics of the car. The production process of automobile wheels requires very strict requirements on the performance of the wheel materials. The produced wheels must not only have good rotational bending performance, but also have excellent impact toughness and good wear resistance. In recent years, most of the wheels of high-end cars at home and abroad are made of aluminum alloy materials. [0003] Automobile hubs are generally made of aluminum alloy materials by die casting. The aluminu...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C22C21/00C22C21/02C22C21/08C22C1/02C22C1/06C22F1/04C22F1/043C22F1/047C22F1/05
Inventor 毛贻国臧立根甄跃军张厚敏蔡振斌郭银河王大龙高海涛杨明娟花威
Owner 秦皇岛开发区美铝合金有限公司
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