Aluminum honeycomb perforated sound absorbing ceiling panel
The aluminum honeycomb perforated sound-absorbing ceiling panel is designed with a perforated aluminum alloy surface and a back plate, both bonded directly to an aluminum honeycomb core using high-quality adhesive. A sound-absorbing fabric is also placed between the honeycomb core and the panels to enhance acoustic performance. The honeycomb structure consists of multiple closed cells that restrict air movement, which helps to block sound waves and increase the sound absorption coefficient—often reaching 0.9 or higher. This design not only improves the structural strength of the panel but also allows for larger single-panel sizes, giving architects more flexibility in their designs.
Depending on the specific acoustic requirements of a space, different perforation rates can be applied to control the overall sound absorption performance within a desired range. This approach ensures that the design goals are met while keeping costs efficient. By adjusting the size of the holes, the spacing between them, and the overall perforation rate (which typically does not exceed 30%), the system can be customized to suit various applications. Common hole diameters include ∮2.0, ∮2.5, and ∮3.0 mm. Both the top and bottom plates follow similar perforation standards, and the use of high-quality non-woven fabrics as the sound-absorbing material ensures durability and effectiveness.
This type of sound-absorbing panel is ideal for large public spaces such as subways, theaters, radio and TV stations, textile factories, and other high-standard buildings where noise control is essential. Its combination of aesthetic appeal, functional performance, and adaptability makes it a popular choice in modern architectural acoustics.
Only the "screwdriver table grooving machine" for common screws, Self-tapping Screws and wood screws can ensure a certain production efficiency. Therefore, the groove "(the part matching with the screwdriver) is made into a cross shape, and the grooving process hinders the development and adoption of high-speed cold spade machines. They are called cross recessed screws.
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