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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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China Disc Springs for Hydraulic Systems and Pressure Mechanisms
China Disc Springs for Hydraulic Systems and Pressure Mechanisms

  1. China Disc Springs for Hydraulic Systems and Pressure Mechanisms

Disc Springs for Hydraulic Systems and Pressure Mechanisms

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Geometric Precision non-standard dimensions
Spring Rate Defined by geometry and material, N/mm
Creep Resistance up to 700°C
Heat Treatment Tempered
Material Compatibility Superalloys (Inconel 718)
Thermal Shock Range -196°C to 700°C
Spring Washer Type Standard
Material Type High-carbon steel (65Mn)
Axial Height as low as 3mm
Stiffness 5-50 N/mm
Salt Spray Testing ASTM B117
Precision Stamping Precision equipment
Load Retention >90%
Standard Compliance DIN 2093
Prototyping Time 5-7 business days
Certification CE/IATF16949/45001/14001/9001
Place of Origin Sihong, China
Brand Name Sunzo

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Product Specification

Geometric Precision non-standard dimensions Spring Rate Defined by geometry and material, N/mm
Creep Resistance up to 700°C Heat Treatment Tempered
Material Compatibility Superalloys (Inconel 718) Thermal Shock Range -196°C to 700°C
Spring Washer Type Standard Material Type High-carbon steel (65Mn)
Axial Height as low as 3mm Stiffness 5-50 N/mm
Salt Spray Testing ASTM B117 Precision Stamping Precision equipment
Load Retention >90% Standard Compliance DIN 2093
Prototyping Time 5-7 business days Certification CE/IATF16949/45001/14001/9001
Place of Origin Sihong, China Brand Name Sunzo
High Light DIN 2093 disc springs for hydraulics ，disc springs for pressure mechanisms ，DIN 2093 pressure mechanism disc springs
Disc Springs for Hydraulic Systems and Pressure Mechanisms
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 tailored to semiconductor and precision equipment requirements.
How Disc Springs Work
During compression, the cone height changes, storing elastic energy that generates axial force for preload, compensation, actuation, buffering, or mechanical energy storage. The non-linear load-deflection relationship requires engineers to define actual working points rather than selecting springs by diameter alone.
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. The selected working point 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 to optimize performance:
  • Parallel stacking increases load capacity
  • Series stacking increases available deflection
  • Mixed stacks tune the load-deflection curve
This flexibility is particularly valuable when standard single discs cannot meet simultaneous force and travel requirements.
Material Selection Guide
Material selection depends on load, fatigue, temperature, and environmental exposure requirements. SUNZO offers multiple material options:
  • 1074, 65Mn: General spring applications
  • 60Si2MnA: Enhanced fatigue resistance
  • 50CrVA: High-performance spring steel
  • SUS304, SUS316: Corrosion-resistant stainless steels
  • Inconel 718, Inconel X-750: High-temperature nickel-based alloys
Manufacturing Precision
SUNZO emphasizes precision manufacturing with dimensional verification and load-deflection validation. Consistent thickness, diameter, and cone geometry are critical since dimensional variations directly impact 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 rather than treating surface finish as an isolated specification.
Application Considerations
Disc springs serve critical functions in semiconductor and precision equipment, providing axial preload, dimensional change compensation, mechanical energy absorption, or compact elastic actuation. Final configurations should be evaluated as part of 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, and thickness
  • Free height and target load
  • Working deflection and cycle requirements
  • Operating temperature range
  • Material preferences and surface treatment needs
  • Quantity requirements
Mating-part drawings or samples are particularly helpful when replacing existing components.
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.
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
Disc springs provide compact, configurable elastic solutions for applications requiring axial force, preload, compensation, or shock absorption. By combining suitable geometry, material, surface treatment, and stacking configurations, engineers can develop optimal solutions for semiconductor and precision equipment. Jiangsu Sunzo Elastic Technology Co., Ltd. supports both 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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