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Jiangsu Sunzo Spring Elasticity Technology Co., Ltd
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{"title":"DIN 2093 Disc Spring offering excellent buffer shock absorption and variable","imgUrl":"https:\/\/img.chinax.com\/nimg\/a5\/a2\/1d39e3b7f0f1e4aa7c6b32d178e9-200x200-1\/din_2093_disc_spring_offering_excellent_buffer_shock_absorption_and_variable_stiffness_for_energy_storage_applications.jpg","attrs":{"Minimum Order Quantity":"Negotiable","Model NO.":"SUNZO","Type":"Spring Washer","Material":"Steel"}}
{"title":"DIN 2093 Disc Spring offering elastic support and minimal deformation to enhance","imgUrl":"https:\/\/img.chinax.com\/nimg\/57\/c3\/9fa28f8ff99581a37fecbae982cd-200x200-1\/din_2093_disc_spring_offering_elastic_support_and_minimal_deformation_to_enhance_sealing_performance_in_hydraulic_systems.jpg","attrs":{"Minimum Order Quantity":"Negotiable","Model NO.":"Sunzo","Function":"Pressed, Phonation, Drive, Restoration, Measurement","Material":"Steel"}}
{"title":"DIN 2093 Disc Spring with rust resistant blackened coating excellent shock","imgUrl":"https:\/\/img.chinax.com\/nimg\/e6\/2c\/97fee593308c916d5407096b4ee8-200x200-1\/din_2093_disc_spring_with_rust_resistant_blackened_coating_excellent_shock_absorption_and_broad_non_linearity_for_precision_machin.jpg","attrs":{"Minimum Order Quantity":"Negotiable","Model NO.":"sunzo","Function":"Pressed, Phonation, Drive, Restoration, Measurement","Material":"Steel"}}
In industrial environments characterized by extreme friction, mechanical stress, and corrosive elements, SUNZO Mechanical Zinc-Plated Disc Springs deliver superior durability through advanced surface engineering and material science.
Advanced Zinc Plating Technology
The proprietary mechanical zinc plating process utilizes a high-pressure tumbling technique with zinc alloy micro-particles (85% Zn, 15% Al) applied at 40-60 MPa, creating a uniform 8-12μm coating with a hardness of 250-300 HV.
This achieves 300% improvement in wear resistance compared to uncoated springs (per ASTM G99 pin-on-disk testing) and provides 1,000+ hours of corrosion protection in salt spray environments (ASTM B117).
Excels in high-cycle applications (10⁶+ cycles at 70% load)
60Si2MnA
Elastic modulus: 206 GPa
Fatigue limit: 450 MPa
Superior shock absorption for impact-loading scenarios
Design & Performance Characteristics
Conical design (dish height-to-thickness ratio 0.7-1.1) enables variable stiffness profiles (10-45 N/mm) through precision stacking configurations:
Parallel stacks for high-load applications (up to 30 kN)
Series stacks for enhanced deflection (up to 15mm)
Nested combinations offering adaptive performance in dynamic loading systems
Key Industrial Applications
Steel Manufacturing: Roll mill bearings utilizing zinc-plated springs to withstand rolling contact fatigue and cooling fluid corrosion
Construction Equipment: Hydraulic breaker systems with 60Si2MnA springs delivering 50,000+ impact cycles before maintenance
Mining Machinery: Conveyor belt tensioners employing parallel-stacked 65Mn springs for consistent preload under dust and moisture exposure
Oil & Gas: Wellhead control valves using zinc-aluminum plated springs to resist H₂S and brine corrosion
Quality Assurance & Testing
Each spring undergoes rigorous quality validation including:
Coating adhesion testing per ISO 2409 (cross-cut method, rating 0)
Load-deflection verification to ISO 16148 (±2% force tolerance)
Metallurgical inspection via SEM to ensure coating uniformity and absence of micro-cracks
Full material traceability from raw steel lot to final plating certification (EN 10204 3.1)
Available Options
SUNZO offers both standard DIN 2092/2093 sizes and custom-engineered solutions, with plating options including trivalent passivation for enhanced corrosion resistance and PTFE topcoats for low-friction applications.
Backed by our ISO 9001-certified production process and global technical support, these disc springs provide reliable performance in the most demanding industrial environments.
