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Aluminum profile production process and alloy composition
Apr 18, 2018

Aluminum profile processing will use its plastic processing in the process of production, so that it can effectively guarantee its product to reach a certain degree of stability and consistency of the required dimensional accuracy, aluminum surface processing of good surface quality and mechanical properties. 

Aluminum processing to a certain extent also requires effective attention to a certain extent to prevent its mechanical damage and corrosion, to a certain extent, effective control of its grain size and organizational structure, these quality requirements mainly rely on production processes and equipment to ensure. Aluminum and its alloys generally have good plasticity and are easily plastically processed.

During the processing of aluminum profiles, the phase composition of hard aluminum is relatively complex, and there are brittle structures such as low-melting phases and intermetallic compounds. Its plastic processing has some characteristics: if homogenization is performed, the ingot is cooled while cooling Stress and intragranular segregation, the billet surface to be milled, remove the surface of the low-melting phase segregation.

In the process of aluminum profile processing, the smelting furnace uses gas reverberatory furnace or fuel reverberatory furnace when it is used. The general capacity is 20 to 40 tons or more, and the resistance heating reverberatory furnace is also used, and the capacity is generally about 10 tons. In order to shorten the charging time, increase the melting efficiency, and reduce the absorption of gas and entrainment into the oxide film, a rotary top-loading round furnace has been used in the industry.

During the smelting process, the aluminum profile should analyze its instruments and alloy components at the fastest speed and adjust it to a certain extent. This can effectively ensure the purity of the melt, prevent the pollution of harmful gases, and control the chemical composition. It may be possible to shorten the smelting time, and it should be covered with a powdery flux mainly consisting of potassium chloride and sodium chloride. The general amount is 0.4 to 2% of the weight of the charge.

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