Since the appearance of the punching process, the metal sheet no longer sticks to the airtight and heavy traditional form, but opens a new page for architecture with a light, ethereal and translucent image. The characteristics of light transmission, sun shading and ventilation make this translucent perforated aluminum plate popular among architects, and it quickly demonstrates its unique charm on the stage of various new building skins. The perforated aluminum plate commonly used as building skin is made of aluminum and aluminum alloy and other plates with good weather resistance as raw materials. The regular or irregular hole effect on the surface of the plate is formed by mechanical punching, forming a special hollow texture and texture. The early perforated aluminum plates were mostly made of holes with relatively simple and regular shapes (square, rectangle, circle, cross, etc.) arranged neatly or dislocated according to certain rules. Holes of different shapes, sizes, densities, and arrangements bring rich and varied surface forms to metal sheets, thus laying the foundation for personalized architectural skin creation. Along with people's pursuit of artistic beauty, perforated aluminum panels have also begun to jump out of regular and conventional hole forms, and irregularly arranged hole textures and patterned plates with various hollow patterns have appeared, which have more and more artistic material forms.
The perforated aluminum plate is a material made by stamping and punching the metal aluminum plate with advanced numerical control equipment and punching equipment. The metal plate treated by this process can show translucency with a specific texture. According to the different input parameters of the CNC equipment, the punching equipment can be punched into holes of various shapes, such as long holes, round holes, square holes, pentagonal holes, scale holes, rhombus holes, plum blossom holes, herringbone holes, Character holes and other special-shaped holes, etc., can also be obtained by setting the perforation rate of the material to obtain perforated aluminum plates with different densities and patterns. The perforated aluminum plate can be divided into the following forms according to the decoration form: punched flat plate decoration, hollow plate decoration, punching profiled plate, punching pattern decoration, concave-convex hole plate decoration, grille decoration, local dot decorative body.
