Common Questions and Answers about the Processing and Application of Metal Decorative Panels

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date:2025-08-14

Question: How to select the appropriate thickness of aluminum single plates and surface treatment processes based on the architectural scene?


Answer: The thickness of aluminum single plates should be selected based on the mechanical requirements of the application scenario: For outdoor curtain walls, it is recommended to use 3mm-4mm thick plates, especially in high-rise buildings or areas with high wind pressure, the thickness should be determined through structural calculation. For interior ceiling and wall decoration, 2.5mm-3mm panels can be selected to reduce self-weight and lower costs.


The selection of surface treatment processes should be based on environmental and visual requirements: For outdoor use, fluorocarbon coating (PVDF) is preferred as it has strong weather resistance and is suitable for environments with direct sunlight and abundant rainfall. For indoor use, powder coating (rich in color and relatively low cost) or anodizing (strong metallic texture, dirt-resistant and easy to clean) can be chosen. For special scenarios such as kitchens and laboratories, it is recommended to use antibacterial coated aluminum single plates to inhibit bacterial growth. For areas that require a high-gloss effect (such as the atrium of a shopping mall), mirror spraying or electroplating processes can be chosen.



Question: What problems are likely to occur during the processing of irregular-shaped decorative panels and how can they be avoided?


Answer: Common problems include styling errors (such as discrepancies between curvature and Angle and the design), welding deformation, surface color differences, etc. Preventive measures: Conduct 3D modeling and simulation processing before processing, optimize the disassembly plan, and reduce complex nodes; Precise processing is carried out using CNC equipment. Before bending, the parameters of the equipment are calibrated and the accuracy of the measuring tools is regularly verified. When welding, segmented welding and symmetrical welding methods are adopted to reduce thermal deformation, and stress relief treatment is carried out after welding. When performing surface treatment, use the same batch of coatings for the same batch of products, control the spraying temperature and thickness to be consistent, and avoid color differences. In addition, making 1:1 samples for trial assembly and confirming that there are no errors before mass production can effectively reduce the risk of rework.



Question: In the punching process of metal plates, how to balance the punching rate, aesthetic appeal and structural strength?


Answer: It is necessary to conduct a comprehensive design based on the usage scenario: Firstly, clarify the core function of the punching (for example, for ventilation, the punching rate should be ≥30%, and for decorative punching, it can be as low as 5%). Under the premise of meeting the function, optimize the arrangement of the hole types (such as circular, square, strip or combined patterns) to enhance the aesthetic appeal. Secondly, determine the hole spacing and hole diameter through structural calculation to avoid a decrease in the strength of the sheet due to overly dense punching (for example, the edge hole spacing should be ≥ twice the thickness of the sheet). For large-area perforated plates, reinforcing ribs can be added to the back or a concave-convex design can be adopted to enhance the overall rigidity. For instance, the perforated aluminum single plates for subway passages adopt a design with φ5mm round holes and a hole spacing of 10mm. This not only ensures ventilation and lighting but also forms guiding patterns through the arrangement of hole shapes. Meanwhile, the thickness of the plates is increased to 3mm to ensure structural stability. When processing, a high-precision CNC punching machine should be selected to avoid burrs from punching holes affecting strength and safety.


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Service Hotline
0757-88855082
Email:

info@polea-group.com

Add:

Yangmei Sixth Industrial Zone, Gaoming District, Foshan City, Guangdong Province

...
Copyright:Foshan Polea Building Materials Industry Co., Ltd     
ICP: 粤ICP备888888号
    Power by: qihuadongli