Disc Springs

Plot No-10 Star Gold Industrial Park ,Opp Garda Ghar,Village Kuha, Ahmedabad Gujarat (India)-382433
info@durgaspring.com
+91 98988 43173

Disc Springs

Disc Springs

Best Description of Disc Springs

Disc Springs, also known as Belleville Washers, are conical-shaped mechanical components designed to absorb and store energy, provide a pre-load, and manage high axial forces in a compact space. Engineered from high-strength spring steels or stainless steel, these springs offer exceptional load-bearing capabilities and resistance to fatigue, even in harsh environments.

Thanks to their stackable configuration—either in series, parallel, or combinations—disc springs can be precisely tuned for specific force-deflection characteristics. They are widely used in industries such as automotive, aerospace, power generation, heavy machinery, and valve assemblies for applications requiring vibration damping, load compensation, and controlled movement under dynamic stress.

Top 10 FAQs About Disc Springs

What is a disc spring?
A disc spring is a cone-shaped washer that exerts an axial load when compressed, used to absorb shock or maintain force in assemblies.
What are disc springs made of?
Common materials include spring steel, stainless steel (SS304/316), Inconel, and phosphor bronze.
How are disc springs different from coil springs?
Disc springs provide much higher force in a smaller axial space and can be stacked to fine-tune load and deflection.
What industries use disc springs?
Used in automotive, aerospace, electrical switchgear, wind turbines, machine tools, and valve systems.
Can disc springs be reused?
Yes, if they remain within their fatigue limits and haven’t been overstressed or deformed.
How do you increase the load or deflection of a disc spring stack?

Stack in series to increase deflection
Stack in parallel to increase load

What standards apply to disc springs?
Most manufacturers follow DIN EN 16983 (formerly DIN 2093) specifications.
What temperature range can disc springs handle?
Depending on material, they can withstand from -60°C to 500°C or more.
Do disc springs offer vibration damping?
Yes, they help absorb shocks and vibrations, especially in dynamic loading conditions.
Can I use disc springs in dynamic applications?
Yes, they're excellent for cyclic loads due to their fatigue-resistant design when used within limits.

Applications of Disc Springs

Electrical Circuit Breakers & Switchgear: Provides pre-load and fast actuation
Automotive Clutches & Transmissions: Maintains contact pressure between plates
Pressure Relief Valves & Safety Valves: Offers calibrated spring force for controlled opening
Wind Turbines & Gearboxes: Absorbs vibration and thermal expansion
Mining & Earthmoving Equipment: Withstands heavy load shocks and misalignment
Power Plants & Boilers: Pre-load washers in flange assemblies and expansion joints
Vibration Dampening Systems: Reduces oscillation in dynamic industrial machines
Aerospace Components: Lightweight yet strong spring elements in confined spaces
Medical Devices: Precision springs for surgical tools and equipment
Construction Tools: Pre-loading mechanisms in drilling and cutting equipment

Features of Disc Springs with Their Uses

Feature	Use / Benefit
Compact Axial Design	Delivers high load in minimal axial space
High Load-Bearing Capacity	Withstands large forces and absorbs shock efficiently
Stackable in Series/Parallel	Allows precise tuning of load vs. deflection characteristics
Fatigue-Resistant Material	Ideal for cyclic and dynamic applications requiring long service life
Corrosion-Resistant Options	Stainless steel and Inconel variants available for harsh or chemical environments
Pre-Load Functionality	Maintains constant pressure and compensates for thermal expansion or loosening
Minimal Maintenance	Once installed, they require little to no maintenance
High-Temperature Resistance	Suitable for steam lines, turbines, and thermal cycling applications
DIN Standard Manufacturing	Ensures interchangeability, reliability, and global compatibility
Versatile Customization	Available in various sizes, thicknesses, and load ratings to fit specific needs

Advantages of Using Disc Springs

Higher force-to-space ratio than coil springs
Easily adjustable by changing stacking configuration
Reliable performance in high-load and high-frequency operations
No need for lubrication in most applications
Uniform stress distribution for longer fatigue life
Ideal for both static and dynamic loading environments

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Plot No-10 Star Gold Industrial Park ,Opp Garda Ghar,Village Kuha, Ahmedabad Gujarat (India)-382433
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