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Carbon Composite Disc Springs

The carbon composite disc spring or carbon composite bellows spring is produced by stacking pairs of Belleville springs made of carbon fiber. In many cases, this spring is preferred over traditional coil springs or metal Belleville springs due to the additional characteristics that its composition provides. Using Carbon Fiber Reinforced Polymer (CFRP) to produce disc springs and other spring variants offers multiple performances attributes that are not possible with metal alternatives. Some of these attributes include lightweight, high-performance, no side load, tunable hysteresis, and the ability to self-align.


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Stock & Standard No
MW Components - Carbon composite disc springs

Carbon Composite Disc Springs Overview

Custom Manufacturing

Custom Carbon Composite Disc Springs

Our composite springs are all custom made to your specifications. Our engineers will work with your design team to develop the best solution using our latest design approaches and materials.

We offer unlimited customization options from variations in size, depth, shape, and more. Unique problems require unique solutions. Let us help you develop a solution that takes your product to the next level.

Send us your specs or configure a spring.

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Industrial Manufacturing - Men At Work

Types of Carbon Composite Disc Springs

Carbon composite disc spring type 1 lip flanges
  • MW Industries - Carbon composite disc spring element diagrams
  • MW Components - Carbon composite disc spring stack
Type 2 carbon composite disc springs on mandrel

Features & Benefits


Carbon composite disc springs can be up to 60% weight savings can be achieved depending on application requirements.

Belleville washers and disc springs illustration
Disc spring stack - Parallel & series for performance manipulation
  • Belleville washers & disc springs - Series stacking
  • Belleville washers & disc springs - series & parallel combination

No Side Load

If the traditional solution is a helical coil spring but you cannot tolerate the side loading that occurs during compression, then Type 1 elements could be an alternate solution.

Using the lip and flange design to replace the coil spring, Type 1 could reduce friction and wear on mating parts, allowing your component to work as intended.

The image in blue illustrates how parallel ends become angled to each other, creating side load. In grey, parallel ends remain parallel, keeping the axis of load centered.

  • Parallel ends become angled to each other creating side load.
  • Parallel ends remain parallel, keeping the axis of load centered.

Tunable Hysteresis

Much attention is paid to reducing the inherent hysteresis that occurs with stacked disc springs. Our manufacturing techniques and mold designs optimize the mating surfaces on each element reducing the friction in stacked springs.

In some cases, techniques can be employed to reduce hysteresis in parallel stacked elements as well. This allows for the tuning of friction levels and the incorporation of damping effects if desired.

Low H/T Ratio

To the right we see the shape of a load curve of a disc spring is governed by ratio of the inside height (h) to the material thickness (t). Below is a graph showing how the h/t ratio changes the shape of the load curve. Our composite disc springs typically have an h/t of .6 – .8, through .4 – 1.0 is possible. (orange lines in the graph below)


The graphs below show parallel stack with adjustable hysteresis (left) and all series stack with ultra-low hysteresis (right).

Disc spring load curves relative to h/t ratio
  • Parallel stack with adjustable hysteresis
  • All series stack with ultra-low hysteresis

Our Manufacturing Locations

Need a Large Order?

We can design and manufacture a component for your specific application in any quantity. For quantities over 1,000, please request a quote.

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