Disc spring is also called Belleville spring washer because disc spring was invented by the French Belleville. It is in the shape of a conical disc and can be used singly or in series, or in parallel. Disc springs consist of four parameters: outer diameter, inner diameter, thickness, and height.

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Features of Belleville Springs:

Disc springs are special springs that are axially tapered and loaded. Disc springs are used as sealing aids and can be used individually or in series or in parallel.

1. After being deformed under load, the Belleville spring will store a certain amount of potential energy.

2. When slack occurs, the disc spring releases some of its potential energy.

3. The stress distribution of the disc spring decreases evenly from the inside to the outside, which can achieve the effect of low stroke and high compensation force.

4. Belleville springs have strong shock absorbing capacity and can withstand large loads with small deformation, which is suitable for occasions with small axial space requirements.

5. Various combinations can be adopted.

• Superposition combination
• Inversion combination
• Compound combination.

Using different combinations of the same disk spring can make the spring characteristics vary in a wide range. It can be used in the combination of inversion and superposition, and can also use the combination of different thicknesses and different numbers of pieces.

6. Disc springs have variable stiffness characteristics. By changing the ratio of the height of the truncated cone in the disc to the thickness of the disc, different spring characteristic curves can be obtained, which can be linear, increasing, decreasing or their combination. In addition, variable stiffness characteristics can also be obtained by combining discs with different thicknesses or stacking discs with different numbers of discs.

7. When some disks in the Belleville spring are damaged, only one of them needs to be replaced, which is very convenient for maintenance and repair.

8. The disc spring is annular, and the force is transmitted concentrically.

What Are Disc Springs Used for?

Belleville springs are widely used because they can be combined at will. Belleville springs are widely used in metallurgy, engineering, electric power, machine tools, construction, and other industries.

Can be used in heavy machinery as a strong buffer and shock absorber.

It can also be used as a pressing device in clutches, safety valves, pressure reducing valves, etc.

As a Belleville spring manufacturer in China, KENENG can provide Belleville springs in a variety of materials, sizes, surface treatments, and certifications. We can produce customized springs according to the drawings provided by customers, and our products have already enjoyed a good reputation among many cooperative enterprises at home and abroad. If you need custom springs, please contact us, professional spring design and manufacturing engineers will provide you with professional services.

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How do Belleville disc springs work?

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Belleville disc springs, also known as conical disc springs or Belleville washers, are unique mechanical devices designed to store and release energy when subjected to axial loads or compression. Their distinctive conical shape allows them to provide controlled deflection under pressure, making them valuable components in various applications. Let&#;s delve into how Belleville disc springs work and their underlying principles.

Mechanism of Belleville Disc Springs:

Belleville springs work based on the principle of elastic deformation. When a load or force is applied to the disc spring, it undergoes deflection, causing the spring to flatten and change its shape. This deflection stores potential energy within the spring.

Load Distribution:

Belleville disc springs distribute loads evenly across their surface due to their conical shape. The outer edge of the spring bears the most stress, while the inner part experiences less stress. This load distribution allows the spring to handle high forces while maintaining consistent performance.

Axial Compression:

When an axial force is applied to a Belleville disc spring, it compresses along its axis. As the spring compresses, the space between the coils decreases, and the energy is stored as potential energy within the spring material.

Deflection and Energy Storage:

The spring&#;s conical shape allows it to compress and deflect under the applied force. As the disc spring deflects, it accumulates potential energy. This stored energy is proportional to the amount of deflection and the spring&#;s stiffness.

Release of Energy:

When the external force is removed or reduced, the Belleville disc spring returns to its original shape, releasing the stored energy. This release of energy generates a reactive force that opposes the deformation, causing the spring to expand and return to its original position.

Applications of Belleville Disc Springs:

Belleville disc springs find applications in various industries, including aerospace, automotive, manufacturing, and machinery. They are used for tasks such as:

Preload and Compensation: Belleville springs are used to maintain constant tension or preload in bolted assemblies, ensuring proper joint integrity.

Vibration Damping: They can be used to dampen vibrations and absorb shocks in mechanical systems.

Load Balancing: In mechanical systems with varying loads, disc springs can help balance and distribute forces.

Pressure Relief Valves: Belleville springs are often used in pressure relief valves to control and release excess pressure.

Clutches and Brakes: They find application in clutches and brakes, providing controlled engagement and disengagement.

Heavy Machinery: Belleville springs are used in heavy machinery to absorb impact and reduce wear and tear.

Safety Applications: They are used as safety devices in critical systems, such as in aerospace, to handle emergency loads.

In summary, Belleville disc springs operate based on the principles of elastic deformation and potential energy storage. Their unique conical shape allows them to provide consistent load distribution, controlled deflection, and reliable energy storage and release. These properties make Belleville disc springs essential components in various industries where controlled compression, load distribution, and energy management are crucial.

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