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What Is a Disc Spring? A Practical Guide to Compact Axial Force
Brand Name:
Sunzo
Place of Origin:
Sihong, China
Certification:
CE/IATF16949/45001/14001/9001
Product Details
| Fatigue Resistance: | 65Mn | Tensile Strength: | 1,300 MPa |
|---|---|---|---|
| Inner Diameter: | Varies By Size | Impact Resistance: | 120 J/cycle |
| Input: | AC90~265V,50~60 Hz | Precision Stamping: | CNC |
| Outer Diameter: | 50mm | Preload Deflection: | 15-25% |
| Microstructure: | Heat-treated | Downtime Reduction: | 37% |
| Compliance Standard: | Nadcap | Wear Resistance: | 300% Improved (Mechanical Zinc) |
| Custom Lead Time: | 5-7 Day | Cnc Machine Model: | Trum-pf TC5000 Series |
| Coating Thickness: | 2-4μm (Black Oxide) | ||
| Highlight |
DIN 2093 disc spring with warranty,compact axial force disc spring,disc spring practical guide DIN |
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Product Description
What Is a Disc Spring? A Practical Guide to Compact Axial Force
Introduction
Disc springs provide an efficient alternative to longer coil springs when mechanical assemblies require high axial force in limited spaces. Their conical profile enables tunable load-deflection response, with material, geometry, and stacking configurations selected to meet specific requirements of precision machinery and compact actuators.
How Disc Springs Work
During compression, the cone height changes and the component stores elastic energy. The resulting axial force serves applications including preload, compensation, actuation, buffering, and mechanical energy storage. Engineers should define actual working points rather than selecting springs by diameter alone, as the load-deflection relationship is not simply linear.
Load, Deflection and Preload Specifications
Practical specifications should identify free height, installed height, required force, working deflection, maximum deformation, cycle requirements, and available installation space. Selected working points must remain within the intended elastic range and be verified against complete load paths and mating components.
Stacking Configurations
Disc springs can be combined in parallel, series, or mixed arrangements. Parallel stacking increases load capacity, while series stacking increases available deflection. Mixed stacks tune the load-deflection curve, providing flexibility when standard single discs cannot meet required force and travel simultaneously.
Material Selection Guide
Material selection depends on load requirements, fatigue resistance, temperature conditions, and environmental exposure. SUNZO offers these materials:
| Material | Application Benefits |
|---|---|
| 1074, 65Mn | General spring applications |
| 60Si2MnA | Enhanced fatigue resistance |
| 50CrVA | High-strength applications |
| SUS304, SUS316 | Corrosion-sensitive conditions |
| Inconel 718, Inconel X-750 | High-temperature applications |
Manufacturing Precision
SUNZO emphasizes precision manufacturing with dimensional verification and load-deflection validation. Consistent thickness, diameter, and cone geometry are critical since dimensional variations affect working force. For precision mechanisms, required tolerances should be defined alongside load and installed height specifications.
Surface Treatment Options
Surface treatments are matched to base materials and operating environments. Available options include blackening, phosphating, Dacromet, zinc plating, mechanical zinc plating, and PTFE coating. Selection should consider corrosion exposure, friction, temperature, coating thickness, and compatibility with mating components.
Application Considerations
Disc springs serve precision machinery and compact actuators by providing axial preload, compensating for dimensional changes, absorbing mechanical energy, or acting as compact elastic actuators. Final configurations should be evaluated within complete assemblies, including seat design, load paths, travel requirements, and operating environments.
Customization for OEM Projects
Custom disc springs address non-standard requirements for inner/outer diameters, thickness, cone height, material, plate count, and stacking configurations. For OEM projects, providing drawings, samples, or clear application specifications enables manufacturers to evaluate geometry and performance comprehensively.
Technical Inquiry Requirements
Effective technical inquiries should include inner diameter, outer diameter, thickness, free height, target load, working deflection, cycle requirements, temperature conditions, material preferences, surface treatments, and quantities. Mating-part drawings or samples are particularly valuable when replacing existing components.
Frequently Asked Questions
Is a disc spring the same as a Belleville washer?
The terms are commonly used for the same basic conical spring component.
Can disc springs be customized?
Yes, dimensions, materials, and configurations can be evaluated for custom requirements.
Can stacking increase load or deflection?
Yes, appropriate parallel or series arrangements change the load-deflection behavior.
How should material be selected?
Consider load, temperature, corrosion, fatigue, and the complete service environment.
Jiangsu Sunzo Support
Jiangsu Sunzo Elastic Technology Co., Ltd. develops standard and customized elastic-component solutions for industrial customers. For disc spring projects, Sunzo evaluates drawings, samples, and application requirements to create integrated specifications covering material, geometry, stacking configuration, and surface treatment.
Conclusion
Disc springs are compact, configurable elastic components ideal for applications requiring axial force, preload, compensation, or shock absorption. By combining suitable geometry, material, surface treatment, and stacking configurations, engineers can develop optimized solutions for precision machinery and compact actuators. Jiangsu Sunzo Elastic Technology Co., Ltd. supports both standard and customized disc spring requirements from technical evaluation through production.
Product Highlights
Their conical profile creates a tunable load-deflection response. Material, geometry and stacking configuration can be selected according to the actual requirements of precision machinery and compact actuators.
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