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Production of aluminum profiles profile
Aluminum profiles profile production of aluminum profiles production, including casting, extrusion and three oxidation process.
1. Casting is the first aluminum production processes.
The main process is:
(1) Ingredients: according to production needs specific alloy grades, calculate the amount of the various alloy compositions, with a reasonable variety of raw materials.
(2) melting: the raw material with a good process requirements to join the melting furnace to melt, and by degassing, slag refining means to melt miscellaneous slag inside, the gas is effectively removed.
(3) Cast: smelting good liquid aluminum casting process under certain conditions, by deep casting system, cooling cast into a variety of round casting rods.
2, extrusion: Extrusion profile means is formed. The first product based on the profile section design, to create a mold using an extruder heating good round casting rods from the mold and extrusion molding. Common grade 6063 alloy extrusion Shihai artificial aging process using a cooled quenching process and subsequent to the completion of heat strengthened. Different grades can be heat strengthened alloys, different heat treatment system.
3 oxide: aluminum alloy extrusion good, its corrosion resistance is not strong surface shall be subjected to surface treatment by anodic oxidation in order to increase the aesthetics of the aluminum corrosion resistance, abrasion resistance and appearance.
The main process is:
(1) surface pretreatment: by chemical or physical methods of cleaning the surface profile, bare pure matrix facilitate obtaining intact, dense artificial oxide film. You can also get a mirror or matte (matte) surface by mechanical means.
(2) anodizing: surface-pretreated profiles, under certain conditions, the substrate surface anodic oxidation to produce a dense, AL203 film porous, strong adsorption force.
(3) sealing: the pores of the porous film hole oxide film after anodic oxidation closed, so that the oxide film anti-pollution, corrosion and wear resistance increased. Oxide film was colorless and transparent, the use of the oxide film before sealing strong adsorption, adsorption pores in the film deposition of some metal salts, can show qualities outer profile (silver) than many of the color, such as: black, bronze, gold and stainless steel color and so on.

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