Addressing NVH Challenges in Modern Design
Noise, Vibration, and Harshness (NVH) mitigation is a critical factor in both advanced construction and the transportation sector, directly impacting user comfort and compliance with regulatory standards. Traditional acoustic solutions often rely on dense, heavy materials, contradicting the imperative for light weighting. Our plastic honeycomb panels offer a high-efficiency alternative, providing exceptional acoustic damping without compromising on structural integrity or adding significant mass.
The Mechanism of Sound Absorption and Damping
The superior acoustic performance of our honeycomb composite panels is achieved through two primary physical mechanisms inherent in the structure:
l Sound Absorption via Trapped Air Cavities: The vast array of hexagonal cells acts as a network of micro-cavities. When sound waves strike the panel, they penetrate the thin face sheets and become trapped within the dead air pockets of the core. The sound energy is forced to dissipate within this highly convoluted space, significantly reducing the energy transmitted through the panel. This phenomenon is particularly effective at dampening mid-to-high frequency airborne noise.
l Vibration Damping by Viscoelasticity: Polypropylene (PP), the primary material for our plastic cores, is a viscoelastic polymer. When structural vibrations (noise travelling through the material, common in floors or vehicle panels) attempt to pass through the core, the PP material inherently absorbs and dissipates this kinetic energy. This damping effect reduces the magnitude of structural resonance, which is key to controlling low-frequency rumble and vibration harshness.
Applications Requiring Acoustic Excellence
This dual-action acoustic mastery makes plastic honeycomb composites indispensable in environments where noise control and mass savings must coexist:
l Transportation (Rail and Automotive): Used extensively in floor panels, bulkheads, and engine compartment barriers to enhance cabin quietness and comfort for passengers.
l Construction: Ideal for movable partitions, office dividers, and cleanroom walls where strict acoustic separation is necessary.
l HVAC and Machinery Enclosures: Providing lightweight yet highly effective acoustic shrouds for mechanical equipment, meeting OSHA and operational noise reduction targets.
By engineering a composite system that is fundamentally excellent at both sound absorption and vibration damping, our plastic honeycomb panels deliver a quieter, more comfortable, and highly efficient solution for the most demanding industrial acoustic challenges.
Qingdao Achieving Honeycomb – Your Trusted Partner in Honeycomb Core Solutions
With nearly two decades of manufacturing expertise, Qingdao Achieving is a leader in the honeycomb core industry. We are committed to meeting customised client needs at our core, continuously refining our self-developed equipment, and enhancing product quality to ensure every honeycomb panel delivers exceptional and consistent performance.
Standard Product Specifications:
PP (Polypropylene) Honeycomb Core: Standard colour is white. Common cell sizes include 6mm, 8mm, and 10mm. Thickness ranges from 2mm to 200mm, available for customisation.
PC (Polycarbonate) Honeycomb Core: Available in transparent, black, and grey. Common cell sizes include 3.5mm, 6mm, and 8mm. Thickness ranges from 5mm to 500mm, available for customisation.
Standard Panel Size: 1220 x 2440 mm. Complimentary cutting services are available.
PP and PC are renowned for their excellent formability and comprehensive properties, making them among the most mainstream raw materials for high-performance honeycomb panels today.
Choosing Qingdao Achieving means partnering with a reliable expert dedicated to turning innovative, lightweight, high-strength, and durable designs into reality, helping you gain a competitive edge in the marketplace.