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Manufacturing technique of compress-deformed aluminium alloy

A manufacturing process and extrusion deformation technology, applied in the field of aluminum alloy manufacturing process, can solve the problems of shortening the service life of the oil pump, poor air tightness, affecting the performance of the oil pump, etc., and achieve the effect of improving various performances

Inactive Publication Date: 2013-06-05
龙口市丛林铝材有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

The special high-pressure oil pump made of the commonly used 7005 alloy extruded pump body material, due to the limitation of the performance of the extruded pump body material, causes the shell to have large thermal deformation, high temperature resistance, wear resistance, and poor air tightness. and other problems, which affect the performance of the oil pump and shorten the service life of the oil pump

Method used

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  • Manufacturing technique of compress-deformed aluminium alloy
  • Manufacturing technique of compress-deformed aluminium alloy

Examples

Experimental program
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Embodiment 1

[0018] Example 1: An extruded aluminum alloy, wherein the non-aluminum alloy elements and their weight contents are: Si 10%, Cu 1.3%, Mn 0.35%, Mg 0.6%, Zn 0.2%, Ti 0.15-% , Fe0.3%, Pb0.008%, Sn0.009%, Ca0.01%, non-detectable impurities single 0.04%, total 0.10%.

[0019] The process for manufacturing the above-mentioned extruded aluminum alloy comprises the following steps:

[0020] A, smelting process: smelting with flame furnace, melting temperature is 770 ℃;

[0021] B, refining process: at temperature above 740 ℃, inject common refining agent with argon gas, refining 10 minutes, refining agent consumption is 0.15%, remove scum after refining;

[0022] C, the modification process of the melt: after the melt refining removes the surface scum, sprinkle the sodium modification agent evenly under the temperature condition above 740°C, the usage amount is 0.8%, then stir it into the melt, statically Set aside for 15 minutes, the surface of the melt is protected with a common ...

Embodiment 2

[0026] Embodiment 2: a kind of extruded aluminum alloy, wherein the non-aluminum alloying element is:

[0027] Si 8%, Cu 1.8%, Mn 0.15%, Mg 0.4%, Zn 0.2%, Ti 0.35%, of which, Fe0.1%, Pb0.007%, Sn0.009%, Ca0.01%, single non-detectable impurity 0.03%, total 0.09%.

[0028] The process for manufacturing the above-mentioned extruded aluminum alloy comprises the following steps:

[0029] A, smelting process: smelting with flame furnace, smelting temperature is 750 ℃;

[0030] B, refining process: at temperature above 740 ℃, inject common refining agent with argon gas, refining 10 minutes, refining agent consumption is 0.15%, remove scum after refining;

[0031] C, the modification process of the melt: after the melt refining removes the surface scum, sprinkle the sodium modification agent evenly under the temperature condition above 740°C, the usage amount is 0.8%, then stir it into the melt, statically Set aside for 15 minutes, the surface of the melt is protected with a common...

Embodiment 3

[0035] Embodiment 3: An extruded aluminum alloy, wherein the alloying elements other than aluminum are: Si9%, Cu 1.5%, Mn 0.25%, Mg 0.5%, Zn 0.2%, Ti 0.25%, wherein Fe0.3% , Pb0.008%, Sn0.009%, Ca0.01%, non-detectable impurities single 0.04%, total 0.10%.

[0036] The process for manufacturing the above-mentioned extruded aluminum alloy comprises the following steps:

[0037] A, smelting process: smelting with flame furnace, melting temperature is 760 ℃;

[0038] B, refining process: at temperature above 740 ℃, inject common refining agent with argon gas, refining 10 minutes, refining agent consumption is 0.15%, remove scum after refining;

[0039] C, the modification process of the melt: after the melt refining removes the surface scum, sprinkle the sodium modification agent evenly under the temperature condition above 740°C, the usage amount is 0.8%, then stir it into the melt, statically Set aside for 15 minutes, the surface of the melt is protected with a common covering...

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Abstract

A manufacturing technique of compress-deformed aluminium alloy comprises a melting process, a refining process, a modification process of a melt body, a casting process, refining of grain crystals and formation homogenization of cast ingots. The mechanical behavior and the mechanical property of the compress-deformed aluminium alloy obtained by the manufacturing technique are obviously improved.

Description

technical field [0001] The invention relates to a manufacturing process of an aluminum alloy, in particular to a manufacturing process of an extruded and deformed aluminum alloy. Background technique [0002] With the technological progress and rapid development of my country's machinery industry, the market demand for small mechanical pumps is increasing, and the performance requirements are getting higher and higher. Aluminum casting and cast iron pump bodies can no longer meet the increasing technical requirements. The special high-pressure oil pump made of the commonly used 7005 alloy extruded pump body material, due to the limitation of the performance of the extruded pump body material, causes the shell to have large thermal deformation, high temperature resistance, wear resistance, and poor air tightness. And other problems, which affect the performance of the oil pump and shorten the service life of the oil pump. Contents of the invention [0003] The object of th...

Claims

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Application Information

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IPC IPC(8): C22C21/04C22C1/06C22F1/043
Inventor 张培良李瑞清赵志升王惠勇曲兆金
Owner 龙口市丛林铝材有限公司
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