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Rail E Clip Fastening System

Railway E Clips are elastic fastening components manufactured from spring steel with a distinctive E-shaped geometry, designed to secure rails to sleepers through interference fit. These clips generate consistent clamping force by elastic deformation during installation, maintaining rail position while accommodating vertical deflection and lateral movement from passing trains without permanent set.
Technical Specifications:
| Parameter | Light Rail | Mainline | Heavy Haul |
|---|---|---|---|
| Clamping Force | 6-8 kN | 9-11 kN | 12-15 kN |
| Bar Diameter | 11-12 mm | 13-14 mm | 15-16 mm |
| Deflection Capacity | 8 mm | 12 mm | 15 mm |
| Fatigue Life | 3M cycles | 5M cycles | 7M cycles |
| Material Grade | 60Si2Mn | 38Si7 | 51CrV4 |
| Standard Compliance | UIC 864 | AREMA | EN 13481 |

Installation & Maintenance Perspective:
- Three-pronged design distributes stress evenly across clip body
- Outer legs provide primary retention against sleeper shoulders
- Center leg applies downward force on rail foot
- Optimized bend radii eliminate stress concentration points
- Low-profile shape minimizes ballast interference
Maintenance & Operational Perspective
- Linear deflection range 8-15mm within working limits
- Energy absorption through elastic hysteresis
- Vibration damping reduces track component fatigue
- Self-adjusting to rail lift-off up to 3mm
- Zero plastic deformation within design envelope

Gnee Professional supplier


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