Aluminum alloy composition and its preparation process

A composition and aluminum alloy technology, applied in the field of profiles, can solve the problems of increasing the cost of use, reducing the service life and output power of high gear pumps, and achieve the goals of solving leakage, improving service life and output power, and high mechanical strength Effect

Active Publication Date: 2016-04-27
ANHUI HUAXING METAL
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Seriously reduce the service life and output power of the high gear pump, and increase the cost of use

Method used

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  • Aluminum alloy composition and its preparation process
  • Aluminum alloy composition and its preparation process
  • Aluminum alloy composition and its preparation process

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0019] An aluminum alloy composition is composed of the following components in mass percentage:

[0020]

[0021] The balance is aluminum and unavoidable impurities.

[0022] 1) Put the aluminum into the furnace for smelting, when the melting temperature in the furnace reaches 680℃+10℃, add magnesium oxide and tin oxide and then smelt;

[0023] 2) When the melting temperature reaches 1600°C+10°C, add copper oxide, zinc oxide and silicon carbide, and when the temperature reaches 750°C+10°C, stop heating and keep warm for 1 hour;

[0024] 3) Spectral analysis is used to analyze the smelted materials. After the analysis is qualified, the refining treatment is carried out at a temperature of 740°C+10°C. If the analysis fails, the smelting is adjusted;

[0025] 4) After the refining is completed, let it stand for 10-20 minutes, put it into a heat preservation electric furnace at 720°C+10°C for heat preservation, and finally cast it into a billet.

Embodiment 2

[0027] An aluminum alloy composition is composed of the following components in mass percentage:

[0028]

[0029] The balance is aluminum and unavoidable impurities.

[0030] 1) Put the aluminum into the furnace for smelting, when the melting temperature in the furnace reaches 680℃+10℃, add magnesium oxide and tin oxide and then smelt;

[0031] 2) When the melting temperature reaches 1600°C+10°C, add copper oxide, zinc oxide and silicon carbide, and when the temperature reaches 750°C+10°C, stop heating and keep warm for 1 hour;

[0032] 3) Spectral analysis is used to analyze the smelted materials. After the analysis is qualified, the refining treatment is carried out at a temperature of 740°C+10°C. If the analysis fails, the smelting is adjusted;

[0033] 4) After the refining is completed, let it stand for 10-20 minutes, put it into a heat preservation electric furnace at 720°C+10°C for heat preservation, and finally cast it into a billet.

Embodiment 3

[0035] An aluminum alloy composition is composed of the following components in mass percentage:

[0036]

[0037]

[0038] The balance is aluminum and unavoidable impurities.

[0039] 1) Put the aluminum into the furnace for smelting, when the melting temperature in the furnace reaches 680℃+10℃, add magnesium oxide and tin oxide and then smelt;

[0040] 2) When the melting temperature reaches 1600°C+10°C, add copper oxide, zinc oxide and silicon carbide, and when the temperature reaches 750°C+10°C, stop heating and keep warm for 1 hour;

[0041] 3) Spectral analysis is used to analyze the smelted materials. After the analysis is qualified, the refining treatment is carried out at a temperature of 740°C+10°C. If the analysis fails, the smelting is adjusted;

[0042] 4) After the refining is completed, let it stand for 10-20 minutes, put it into a heat preservation electric furnace at 720°C+10°C for heat preservation, and finally cast it into a billet.

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Abstract

The invention discloses an aluminum alloy composition and a preparation process thereof, and relates to the technical field of profiles. The preparation process comprises the following steps: 1) putting aluminum into a smelting furnace for smelting, and when the smelting temperature inside the smelting furnace is 680+10 DEG C, adding magnesium oxide and stannic oxide for further smelting; 2) when the smelting temperature is 1600+10 DEG C, adding copper oxide, zinc oxide and silicon carbide, when the temperature is 750+10 DEG C, stopping heating, and preserving heat for 1 hour; 3) analyzing the smelted material by adopting spectral analysis, performing refining treatment at 740+10 DEG C after the material is qualified in the analysis, and further adjusting the smelting if the material is not qualified in the analysis; and 4) standing for 10-20 minutes after the refining is accomplished, putting the material into a heat preservation electric furnace of 720+10 DEG C for heat preservation, and finally casting to form blanks. Due to addition of the silicon carbide component, the problem of leakage caused by directional gap increase as a gear pump shaft sleeve is excessively abraded is effectively solved, and the service life and the output power of a gear pump are prolonged and improved, that is, the service life is 1-3 times longer than that of a conventional pump.

Description

technical field [0001] The invention relates to the technical field of profiles, in particular to an aluminum alloy composition and a preparation process thereof. Background technique [0002] In recent years, with the upgrading of my country's hydraulic component industry, gear pumps have developed in the direction of high pressure, small volume, low noise, and long service life. At present, the wear resistance between the gear shaft and the shaft sleeve of the high-pressure gear pump in the world is large, and the service life of the high-pressure gear pump is also long. This has always been a major topic in mechanics and materials science, especially for the representative gear pumps on the market now, because there is a big difference in the materials of the bushings that rub against each other between the gear end face of the pump body and the bearing seat, and 80% of them are damaged. It is all because of the shaft sleeve material that the entire pump is damaged. Ser...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C22C21/00C22C32/00C22C29/00C22C1/10
Inventor 张福友
Owner ANHUI HUAXING METAL
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