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China factories

China factory - Jiangsu Sunzo Spring Elasticity Technology Co., Ltd

Jiangsu Sunzo Spring Elasticity Technology Co., Ltd

  • China,Nanjing
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  3. Disc Spring vs. Belleville Washer: Understanding the Terminology
China Disc Spring vs. Belleville Washer: Understanding the Terminology
China Disc Spring vs. Belleville Washer: Understanding the Terminology

  1. China Disc Spring vs. Belleville Washer: Understanding the Terminology

Disc Spring vs. Belleville Washer: Understanding the Terminology

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Load Direction Axial compression
Thermal Shock Range -196°C to 700°C
Cnc Coiling Advanced
Preload Maintenance jet engine fuel control valves
Coating Thickness 8-12 μm
Temperature Range -270°C to 650°C
Spectroscopic Analysis Material verification
Static Load Capacity Up to 50 kN
Load Tolerance ±3%
Conical Geometry yes
Operating Temperature -270°C to 650°C
Load Type Compression
Corrosionresistance Depends on coating or material grade
Temperature Stability Enhanced in Inconel X-750
Humidity Resistance ≤60% RH (Plain Oil Coating)
Certification CE/IATF16949/45001/14001/9001
Brand Name Sunzo
Place of Origin Sihong, China

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  1. Product Details
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Product Specification

Load Direction Axial compression Thermal Shock Range -196°C to 700°C
Cnc Coiling Advanced Preload Maintenance jet engine fuel control valves
Coating Thickness 8-12 μm Temperature Range -270°C to 650°C
Spectroscopic Analysis Material verification Static Load Capacity Up to 50 kN
Load Tolerance ±3% Conical Geometry yes
Operating Temperature -270°C to 650°C Load Type Compression
Corrosionresistance Depends on coating or material grade Temperature Stability Enhanced in Inconel X-750
Humidity Resistance ≤60% RH (Plain Oil Coating) Certification CE/IATF16949/45001/14001/9001
Brand Name Sunzo Place of Origin Sihong, China
High Light DIN 2093 disc spring specifications ，Belleville washer vs disc spring ，disc spring DIN 2093 standards
Disc Spring vs. Belleville Washer: Understanding the Terminology
Disc springs combine a simple shape with flexible engineering possibilities. They are commonly associated with Belleville washers and are used where high stiffness, compactness and controlled axial force are important. For automotive and transmission assemblies, correct selection requires consideration of load, deflection, temperature, fatigue and installation space.
How Disc Springs Work
During compression, the cone height changes and the component stores elastic energy. The resulting axial force can be used for preload, compensation, actuation, buffering or mechanical energy storage. Because the load-deflection relationship is not simply linear, engineers should define the actual working point instead of selecting a spring by diameter alone.
Load, Deflection and Preload Specifications
A practical specification should identify free height, installed height, required force, working deflection, maximum deformation, cycle requirement and available installation space. The selected working point should remain within the intended elastic range and should be checked against the complete load path 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 can tune the load-deflection curve. This flexibility is useful when a standard single disc cannot meet the required force and travel at the same time.
Material Selection Guide
Material should be selected according to load, fatigue, temperature and environmental exposure. SUNZO offers the following materials:
1074 Spring Steel
65Mn Spring Steel
60Si2MnA (Fatigue Resistant)
50CrVA Spring Steel
SUS304 Stainless Steel
SUS316 Stainless Steel
Inconel 718
Inconel X-750
65Mn and related spring steels can serve general spring applications; 60Si2MnA can be considered where fatigue resistance is important; stainless steels can suit corrosion-sensitive conditions; nickel-based alloys can be evaluated for selected high-temperature applications.
Manufacturing and Precision
SUNZO emphasizes precision manufacturing, dimensional verification and load-deflection validation. Consistent thickness, diameter and cone geometry are important because dimensional variation can influence working force. For precision mechanisms, the required tolerance should be defined together with the load and installed height.
Surface Treatment Options
Surface treatment can be matched to the base material and operating environment. Available treatments include:
  • Blackening
  • Phosphating
  • Dacromet
  • Zinc Plating
  • Mechanical Zinc Plating
  • PTFE Coating
Treatment selection should consider corrosion exposure, friction, temperature, coating thickness and compatibility with mating components rather than treating surface finish as an isolated specification.
Application Considerations
Disc springs can be used in automotive and transmission assemblies. In these mechanisms, the spring may provide axial preload, compensate for dimensional changes, absorb mechanical energy or act as a compact elastic actuator. The final configuration should be evaluated as part of the complete assembly, including the seat, load path, travel and operating environment.
Customization for OEM Projects
Custom disc springs can address non-standard inner and outer diameters, thickness, cone height, material, plate count and stacking configuration. For an OEM project, a drawing, sample or clear application specification helps the manufacturer evaluate geometry and performance together.
Technical Inquiry Requirements
A useful inquiry should include inner diameter, outer diameter, thickness, free height, target load, working deflection, cycle requirement, temperature, material preference, surface treatment and quantity. A mating-part drawing or sample is especially helpful when the spring is replacing an existing component.
Jiangsu Sunzo Support
Jiangsu Sunzo Elastic Technology Co., Ltd. develops standard and customized elastic-component solutions for industrial customers. For disc spring projects, Sunzo can evaluate drawings, samples and application requirements, then consider material, geometry, stacking configuration and surface treatment as one integrated specification.
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.
Conclusion
A disc spring is a compact and configurable elastic component for applications requiring axial force, preload, compensation or shock absorption. By combining suitable geometry, material, surface treatment and stacking, engineers can develop a solution for automotive and transmission assemblies. Jiangsu Sunzo Elastic Technology Co., Ltd. can support standard and customized disc spring requirements from technical evaluation through production.

Company Details

Bronze Gleitlager

,

Bronze Sleeve Bushings

 and 

Graphite Plugged Bushings

 from Quality China Factory

  • Business Type:

    Manufacturer,Exporter,Seller

  • Year Established:

    2006

  • Total Annual:

    1.2M-1.4M

  • Employee Number:

    160~200

  • Ecer Certification：

    Verified Supplier

Jiangsu Sunzo Spring Elasticity Technology Co., Ltd. Jiangsu Sunzo Spring Elasticity Technology Co., Ltd. is a mixed-ownership enterprise established with the participation of China National Nuclear Corporation. The R&D center is located in Nanjing, Jiangsu, while the production base is situat... Jiangsu Sunzo Spring Elasticity Technology Co., Ltd. Jiangsu Sunzo Spring Elasticity Technology Co., Ltd. is a mixed-ownership enterprise established with the participation of China National Nuclear Corporation. The R&D center is located in Nanjing, Jiangsu, while the production base is situat...

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  • Jiangsu Sunzo Spring Elasticity Technology Co., Ltd
  • No.20, Xinghuo Road, Nanjing High-tech Development Zone
  • https://www.spring-disc.com/

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