Composite springs are engineered from cross-ply, isotropic, or unidirectional laminates designed for stability, strength, and long service life. Their construction delivers consistent, repeatable performance in demanding vibratory equipment, conveyors, and other high-cycle systems.
In applications where uptime and precision are critical—sorters, separators, conveyors, feeders—composite springs outperform metal with superior fatigue resistance and reliable motion control. Atlas Fibre machines and fabricates composite spring materials comparable to NorPLY, ScotchPLY, and CyPLY to meet your exact performance requirements.
If you’re improving reliability or upgrading equipment, discover how advanced composite springs can elevate system performance.
Vibratory springs are critical to how vibratory equipment performs. They control motion, absorb shock, and protect components by storing and releasing energy with every cycle. But the spring you choose doesn’t just influence performance — it determines how long your equipment will last.
That’s why many teams rely on composite springs. They’re lighter, stronger, and more heat-resistant than metal alternatives, making them ideal for demanding vibratory environments. And when your application requires tight tolerances or custom geometries, our precision fabrication capabilities ensure your springs are machined exactly to spec for consistent, reliable performance.
Different vibratory applications call for different spring designs, and each style offers unique performance characteristics. Below are the three most common composite spring types used in vibratory systems.
Coil Springs: The classic helical design most people imagine when they think of springs. Available in open- or closed-wound configurations, they can be produced in metal or composite materials and are widely used in vibratory equipment, industrial machinery, and everyday products. Composite coil springs provide excellent strength and weight advantages, especially when machined through precision fabrication for tight-tolerance applications.
Marsh Mellow Springs: Cylindrical, fabric-reinforced rubber elements that compress and return to shape without metal components. They offer corrosion resistance and quiet operation, making them useful in certain industrial environments. However, their limited heat resistance makes them less suitable for high-temperature vibratory systems, where composite alternatives provide a clear performance edge.
Leaf Springs: A curved, bow-like profile commonly used to manage heavy loads in automotive, agricultural, and construction equipment. Traditionally produced from metal, modern designs frequently use composite materials to achieve greater fatigue resistance and weight reduction. For vibratory applications that require custom shapes or engineered deflection characteristics, our precision-machined composite leaf springs deliver consistent, repeatable performance.
Improve system efficiency and longevity with engineered composite laminates
Composite materials deliver the strength, heat resistance, and durability that high-performance vibratory springs require. They offer superior fatigue life, stable performance under continuous load, and significantly lower weight than traditional metals. Atlas Fibre can help you identify the best composite materials for your vibratory spring application and machine them to your exact specifications.
Atlas SpringLam is our recommended composite solution for vibratory springs—a high-quality, cost-competitive alternative to NorPLY. Engineered from cured glass-epoxy laminates, SpringLam uses a unique parallel-filament construction similar to historic NorPLY, ScotchPLY, and CYPLY materials. This architecture minimizes filament stress and dramatically improves fatigue performance in demanding, high-cycle environments.
SpringLam is available in cured flat panels up to 48 x 72 inches, with thicknesses ranging from 0.03″ to 2.0″. Fiber orientations include cross-ply, isotropic, and unidirectional constructions, allowing you to match stiffness, deflection, and strength properties to your specific vibratory system requirements.
When used in place of steel or other metals, SpringLam can reduce component weight by up to 60% while offering greater energy storage capacity than spring steel. It maintains dimensional stability across dry, wet, hot, and cold environments and provides excellent resistance to chemicals and corrosion—ideal for harsh industrial conditions.
Provides exceptional strength while significantly reducing weight, improving efficiency without compromising performance.
Built to endure millions of cycles, maintaining consistent performance and reducing material degradation over time.
Resists cracking and wear, helping equipment run reliably and lowering overall service and repair needs.
Absorbs shock and vibration without brittle failure, ideal for demanding environments and repetitive loading.
Maintains structural integrity even with small imperfections, reducing the likelihood of premature part failure.
Flexes predictably under load and returns to form, enabling precise energy storage and release in vibratory systems.
Atlas Fibre makes composite possible. To learn more about our options for vibratory springs, contact us for a quote today.
