The processing of industrial aluminum profiles mainly includes forming and surface processing.
1. Forming process
There are roughly two methods for processing and forming aluminum alloys: extrusion and rolling.
Extrusion is a common molding method for industrial aluminum profiles. First, an aluminum profile mold is made according to the profile cross-section. The extruder is used to extrude the round casting rod heated to the critical point from the mold. For example, 6063 aluminum alloy, there is an air-cooling and quenching process during the extrusion process and artificial aging treatment to complete the heat treatment and strengthening of aluminum profiles. Different aluminum alloys have different heat treatment methods.
Rolling method is only used when large batches are required, and the requirements for size and surface quality are not high for small and medium-sized bars and profiles with simple cross-sectional shapes.
2. Surface treatment
The surface processing methods of industrial aluminum profiles are generally surface anodizing, and some of them require spraying, electrophoresis and other processing methods.
Surface anodizing treatment uses the principle of electrolysis to form a thicker and denser oxide layer on the surface of industrial aluminum profiles, thereby increasing the corrosion resistance of aluminum alloy materials. After that, it is necessary to seal the industrial aluminum profiles.
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