2011年12月28日星期三

Aluminum production process

1, cast aluminum production is the first procedure.Main processes are:(1) Ingredients: According to the specific needs of the production of alloy grades to calculate the amount of alloy elements added, with a reasonable variety of raw materials.(2) melting: the raw materials with good melting furnace by melting process requirements to join, and through the addition to gas, slag refining complex means to melt the slag, gas effectively removed.(3) Casting: aluminum smelting good solution to some of the casting process conditions, cast through the deep system into all kinds of cool casting round casting rods.
2, the extrusionIs the profile extrusion molding means. The first product under the profile section design, to create a mold, use a good round heated extrusion machine casting rod extrusion molding from the mold. Commonly used grade 6063 alloy, occasionally also in the extrusion process of an air-cooled quenching and subsequent artificial aging process, to complete the heat strengthened. Different grades of alloy can be heat strengthened, its heat treatment systems are different.
3 color (where the first oxidation process of the main speakers)Oxidation: a good aluminum extrusion profiles, the surface corrosion resistance is not strong to be carried out by anodic oxidation of aluminum surface treatment to increase the corrosion resistance, wear resistance and appearance of aesthetics.The main process is:(1) surface preparation: chemical or physical methods to clean the surface of the profile, out of pure bare substrate in order to facilitate access to the full, dense artificial oxide film. Can also be obtained by mechanical means or mirror gloss (matte) surface. (2) Anodizing: The surface preparation of the profile, in a certain process conditions, the anodic oxidation of the substrate surface to produce a layer of dense, porous, strong adsorption of the AL203 film.(3) Sealing: after the formation of the porous anodic oxide film of the film hole closed pores, so that the oxide film having anti-corrosion and wear resistance increase. Oxide film is colorless and transparent, using the oxide film before sealing the strong adsorption, the adsorption deposition hole in the membrane of some metal salts, can show the appearance of character profiles (silver) than many of the color, such as: black, bronze, gold and stainless steel color and so on.After various surface treatment processes and performance characteristics of aluminum
Anodized Aluminium Profile: matte surface to avoid the bright aluminum alloy profiles in the architectural decoration there is a certain environment, will form under the conditions of the shortcomings of the interference of light, it’s the same delicate soft surface such as brocade, very popular with the market’s favor, However, the existing sand grinding material to overcome the uneven surface, and can see the mold pattern deficiencies.
Multi-tone aluminum surface treatment: the current white and brown drab silver can not meet the architects and decorative wall tile, exterior latex with good, new stainless steel color, champagne, gold, titanium, red series (wine red, maroon, black, purple) and make decorative stained glass effect with icing on the cake. These profiles must be approved by chemical or mechanical polishing after oxidation, the effect was good.Electrophoretic coating aluminum: electrophoretic coating profiles the surface shiny and soft, resistant to cement, mortar, acid rain, the invasion of independence, the Japanese have been 90% of the aluminum electrophoretic coating.Aluminum Powder Coating: powder coating profiles are characterized by excellent corrosion resistance, acid salt spray much better than the oxidation of colored profiles.Plasma-enhanced electrochemical surface ceramic of aluminum: These profiles are the world’s most advanced processing technologies technology. This profile products of good quality, but costly. It has 20 kinds of colors, the most important feature is the same cloth as needed chromatography, surface profiles colorful, decorated with excellent results.

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