Rail E Clip Fastening System
The Railway E-Clip is a forged elastic fastener that secures rails to concrete sleepers in modern track systems. Its asymmetrical profile delivers precise clamping force while absorbing dynamic train loads. Made from heat-treated spring steel, this maintenance-free component resists vibration loosening and maintains consistent toe load over decades. Widely used in high-speed, heavy-haul, and metro networks, the E-Clip ensures stable gauge alignment and significantly reduces lifecycle track maintenance costs. Installation requires a hydraulic applicator for uniform force application.
Technical Specifications:
| Parameter | Value | Remarks |
|---|---|---|
| Material | 60Si2CrA | Chromium spring steel |
| Hardness | 43 – 47 | HRC |
| Toe Load | 9.5 – 11.5 | kN |
| Deflection | 11 – 13 | mm |
| Fatigue Life | 3 million | cycles minimum |
| Coating | Hot-dip galvanized | 85μm average |
Installation & Maintenance Perspective:
- Elastic legs compress under wheel load and return to original shape.
- Asymmetric design balances vertical clamping with lateral rail restraint.
- Progressive spring rate prevents sudden force spikes during heavy loads.
- Constant toe load maintains rail position despite thermal expansion.
- Energy absorption reduces fatigue damage to concrete sleepers.
Maintenance & Operational Perspective
- Hot-dip galvanizing provides sacrificial barrier against rust.
- Coating thickness of eighty microns ensures twenty-year service life.
- Zinc layer self-heals minor scratches in humid environments.
- Salt spray testing exceeds one thousand hours without red rust.
- No additional field coating required after installation.
Gnee Professional supplier
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