Jiangsu Sunzo Spring Elasticity Technology Co., Ltd
| Environmental Resistance | Atmospheric oxidation, industrial pollution, coastal salt spray |
| Surface Plating | Silver, tin, or nickel |
| Operational Life | 25-year |
| Bolt Size | M6 to M48 |
| Force Stability | Over 95% of initial clamping tension |
| Material | Non-magnetic stainless steel, Inconel X-750, or phosphor bronze alloys |
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Product Specification
| Environmental Resistance | Atmospheric oxidation, industrial pollution, coastal salt spray | Surface Plating | Silver, tin, or nickel |
| Operational Life | 25-year | Bolt Size | M6 to M48 |
| Force Stability | Over 95% of initial clamping tension | Material | Non-magnetic stainless steel, Inconel X-750, or phosphor bronze alloys |
| High Light | 95% Clamping Tension Disc Spring Stack ，Stainless Steel Disc Spring Stack | ||
High-voltage power transmission systems experience significant temperature fluctuations due to changing electrical loads and environmental conditions. These temperature shifts cause copper and aluminum busbars to expand and contract, which can loosen standard bolted joints over time, increasing electrical resistance and creating fire hazards.
Jiangsu Sanzhong Elastic Technology Co., Ltd. provides an engineered solution with our specialized Disc Spring Stack configurations, designed to maintain constant clamping pressure on high-current electrical connections.
Our disc spring stacks function as live-load washers that absorb thermal movement. By maintaining a constant force on the joint, they prevent the physical deformation known as "aluminum bolt creep," keeping contact resistance low and stable throughout decades of continuous operation. This eliminates the need for frequent manual bolt retightening, reducing maintenance costs for power utility providers.
| Parameter | Specification |
|---|---|
| Material Selection | Non-magnetic stainless steel, Inconel X-750, or phosphor bronze alloys to minimize eddy current heating in high AC fields |
| Bolt Size Compatibility | Sized for standard metric electrical fasteners from M6 to M48 and equivalent imperial standards |
| Force Stability | Low load relaxation rates, maintaining over 95% of initial clamping tension over a 25-year operational life |
| Environmental Resistance | Excellent resistance to atmospheric oxidation, industrial pollution, and coastal salt spray |
| Surface Conditioning | Silver, tin, or nickel plating available to improve electrical grounding and minimize galvanic corrosion at the contact interface |
Company Details
Business Type:
Manufacturer,Exporter,Seller
Year Established:
2006
Total Annual:
1.2M-1.4M
Employee Number:
160~200
Ecer Certification：
Verified Supplier
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