A kind of preparation method of high-density, lightweight engineering vehicle frame material
A technology for frame materials and engineering vehicles, which is applied in the field of aluminum alloy manufacturing, can solve problems such as manufacturers' service troubles, impact on environmental governance, and environmental pollution, and achieve the effects of easy control of production processes, pollution reduction, and cost reduction
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Embodiment 1
[0023] A preparation method of a high-density, lightweight engineering vehicle frame material, the specific method is as follows:
[0024] (1) Take the aluminum alloy raw material, melt it at 740°C, and mix the components evenly. Take the sample for testing, and perform feeding according to the test results, and the feeding temperature is 740 °C. Then carry out refining, refining temperature is 740 ℃, refining agent dosage is 0.8kg / t-Al, time is 10 minutes, and the refining agent contains MgCl 2 , KCl and MgO. Double-tube refining is adopted, and the height of the bubbles is below 80mm, so that the components are further mixed evenly. Then, the refined product is slag-removed once, the scum on the surface of the melt is cleaned up, and the sample is taken again for analysis. After passing the qualification, the converter temperature is controlled at 740 ° C, and the slag removal time is 10 minutes, so that the surface of the material is smooth and free of dirt. After the gu...
Embodiment 2
[0030] A preparation method of a high-density, lightweight engineering vehicle frame material, the specific method is as follows:
[0031] (1) Take the aluminum alloy raw material, melt it at 745°C, and mix the components evenly. Take the sample for testing, and perform feeding according to the test results, and the feeding temperature is 745 °C. After that, refining was carried out. The refining temperature was 743°C, the amount of refining agent was 1.0kg / t-Al, and the time was 15 minutes. The refining agent contained MgCl. 2 , KCl and MgO. Using W and Z-type double-tube refining, the bubble height is below 80mm, so that the components are further mixed evenly. Then, the refined product is slag-removed once, the scum on the surface of the melt is cleaned up, and the sample is analyzed again. After the converter is qualified, the converter temperature is controlled at 745 ° C, and the slag-removing time is 10 minutes, so that the surface of the material is smooth and free o...
Embodiment 3
[0037] A preparation method of a high-density, lightweight engineering vehicle frame material, the specific method is as follows:
[0038] (1) Take the aluminum alloy raw material, melt it at 750°C, and initially mix the components evenly. Take the sample for testing, and perform feeding according to the test results, and the feeding temperature is 750 °C. After that, refining was carried out, the refining temperature was 745°C, the amount of refining agent was 1.0kg / t-Al, and the time was 15 minutes. The refining agent contained MgCl. 2 , KCl and MgO. Using W and Z-type double-tube refining, the bubble height is below 80mm, so that the components are further mixed evenly. Then, the refined product is slag-removed once, the scum on the melt surface is cleaned up, and the sample is taken again for analysis. After passing the qualification, the converter temperature is controlled at 750 ℃, and the slag-removing time is 10 minutes, so that the material surface is smooth and fre...
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