Types and characteristics of surface treatment of aluminum profiles

by:Zeyi     2021-06-09
The production process of aluminum profiles mainly includes three processes: casting, extrusion and coloring. Among them, coloring mainly includes: oxidation, electrophoretic coating, fluorocarbon spraying, powder spraying and wood grain transfer and other processes. It can be said that aluminum profiles are aluminum materials with different cross-sectional shapes through hot melting and extrusion of aluminum rods. So what are the types of aluminum profiles and what are their characteristics?    aluminum profiles can be divided into the following categories according to their uses:   1, architectural aluminum profiles (divided into doors and windows and curtain walls)   2, radiator aluminum profiles. 3. General industrial aluminum profile profiles: Mainly used for industrial production and manufacturing, such as automated machinery and equipment, the skeleton of the enclosure, and the company’s custom-made mold openings according to their own mechanical equipment requirements, such as assembly line conveyor belts, elevators, dispensers, Testing equipment, shelves, etc., are mostly used in the electronic machinery industry and clean rooms.  4. Aluminum alloy profiles for rail vehicle structure: Mainly used in the manufacture of rail vehicle bodies.  5. Mount aluminum profiles to make aluminum alloy picture frames, mount various exhibitions and decorative paintings. Aluminum profiles are classified according to alloy composition:    can be divided into 1024, 2011, 6063, 6061, 6082, 7075 series of aluminum profiles, of which 6 series are more common, and the difference between different grades is that the proportions of various metal components are different. Except for the commonly used door and window aluminum profiles such as 60 series, 70 series, 80 series, 90 series, curtain wall series and other architectural aluminum profiles, there is no clear model distinction for industrial aluminum profile profiles. Of course, most aluminum profile production plants are based on customer specifications. The actual drawings are processed. Compared with other metal materials,    aluminum and aluminum alloy have the following characteristics:   1, low density   The density of aluminum and aluminum alloy is close to 2.7g/, which is about 1/3 of iron or copper.  2, high strength    aluminum and aluminum alloys have high strength. After a certain degree of cold working, the strength of the matrix can be strengthened, and some grades of aluminum alloys can also be strengthened by heat treatment.  3, good electrical and thermal conductivity   The electrical and thermal conductivity of aluminum is second only to silver, copper and gold.  4, good corrosion resistance   The surface of aluminum is easy to naturally produce a dense and firm AL2O3 protective film, which can well protect the substrate from corrosion. Through artificial anodic oxidation and coloring, cast aluminum alloy with good casting performance or deformed aluminum alloy with good processing plasticity can be obtained.  5. Easy to process    After adding certain alloying elements, a cast aluminum alloy with good casting properties or a deformed aluminum alloy with good processing plasticity can be obtained.
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