The cross-sections of aluminum
profiles are all sorts of weird, which is an effect that other metals can't do. This is related to the characteristics of aluminum profiles. General industrial aluminum profile profiles are 6-series aluminum alloys, and 6-series aluminum alloys are deformed aluminum alloys, which can be formed by extrusion. Let me introduce the production process of aluminum alloy profiles: 1, melting and casting (1) Ingredients: According to the specific alloy grades to be produced, calculate the addition amount of various alloy components, and reasonably match various raw materials. (2) Smelting: The prepared raw materials are added to the smelting furnace to melt according to the process requirements, and the slag and gas in the melt are effectively removed by degassing and slagging refining methods. (3) Casting: The molten aluminum is cooled and cast into round casting rods of various specifications under certain casting process conditions through a deep well casting system. 2, extrusion Extrusion is a means of forming profiles. First, design and manufacture a mold according to the profile product section, and use an extruder to extrude the heated round cast rod from the mold. The commonly used grade of 6063 aluminum alloy is subjected to an air-cooling quenching process and subsequent artificial aging process during extrusion to complete the heat treatment and strengthening. Different grades of heat-treatable and strengthened alloys have different heat treatment systems. 3, surface treatment extruded aluminum alloy profiles, the surface corrosion resistance is not strong, it must be surface treated by anodizing to increase the corrosion resistance, wear resistance and appearance of the aluminum. The main process is: (1) Surface pretreatment: Use chemical or physical methods to clean the surface of the profile, and expose the pure matrix, in order to obtain a complete and dense artificial oxide film. It is also possible to obtain a mirror or matte (matt) surface by mechanical means. (2) Anodizing: The surface pretreatment of the profile, under certain process conditions, the surface of the substrate will be anodized to form a dense, porous, and strong adsorption AL203 film. (3) Hole sealing: sealing the pores of the porous oxide film formed after anodization to enhance the anti-pollution, corrosion resistance and wear resistance of the oxide film. The oxide film is colorless and transparent. Using the strong adsorption of the oxide film before sealing, some metal salts are adsorbed and deposited in the film pores, which can make the appearance of the profile show many colors other than the natural color (silver white), such as: black, bronze, Golden yellow and stainless steel color, etc.
The increasing consumption demand in key segments such as aluminum window profile manufacturers, aluminum extrusion rail and aluminum window profile manufacturers have been driving the sales of and its derivatives worldwide.
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