The commonly used grade of flat aluminum plate is 3003, state H12, H24, thickness 2.5mm, 3mm, film thickness two coating>25um, three coating>40um.
When aluminum plate is used as the back plate, the thickness of the back plate is usually 1.5mm or 2mm; when there are special requirements, the back plate needs to be equipped with stiffeners, and the position of the stiffeners is generally arranged perpendicular to the long side.
When the aluminum plate is bent, it should not be a right angle, it should be chamfered, and the outer radius of the chamfer should not be less than 1.5 times the plate thickness.
In order to control the appearance effect of the excessively large angle of the aluminum plate, the planing process can be used to realize the planing process, which is a cold working process.
Surface treatment:
1)Anodized aluminum plate
2) Powder spraying treatment
3) Fluorocarbon spraying treatment
Fluorocarbon spraying process:
Fluorocarbon (PVDF: polyvinylidene fluoride) spraying: After the aluminum sheet is cut and formed, it enters the surface treatment production line. The standard procedure is: pre-degreasing → degreasing (alkaline washing, strong alkaline washing to remove oil stains) → 2 water washing → acid Washing (remove oxide film) → water washing → chromating (or phosphating or passivation to generate oxide film → water washing → 2 pure water washing → drying → strong cooling → spray primer → spray top paint (color paint) → baking →(Strong cooling→Spray lacquer→Bake).
Conventional specifications and maximum dimensions of aluminum plates
1) The maximum spraying size of the aluminum plate spraying line is: height X width X length = 1.9 meters X 0.8 meters X 6 meters.
2) The width of the aluminum plate produced by the manufacturer varies from 750mm to 1900mm, and the length direction can generally be determined;
3) The board width is more than 1.5 meters, you need to order in advance, the 3 series need to be about 1 month in advance, and the 1 series need about 20 days in advance;
Curved (or complex shape) aluminum curtain wall design
1) Use the correct method to build a three-dimensional model;
2) Design nodes that are convenient for construction and aluminum plate processing
3) The aluminum plate process drawing should express the processing control size in detail