Description
Technical Parameters
Type E Spring Clip
E Clips are primarily differentiated by their nominal wire diameter, which determines their clamping force and is matched to specific rail weights and traffic conditions.
| Model | Wire Diameter (mm) | Applicable Rail Type | Key Characteristics & Application |
|---|---|---|---|
| E20 | 20 | 60 kg/m, 75 kg/m | Heavy-Duty. Provides the highest clamping force. Used for heavy-haul lines, sharp curves, and high-speed sections. |
| E18 | 18 | 60 kg/m | Standard Duty. The most common type used on mainlines for both passenger and freight traffic in China. |
| E16 | 16 | 50 kg/m | Medium Duty. Used for 50 kg/m rail sections, often on secondary lines. |
| E14 | 14 | 50 kg/m | Light Duty. Provides lower clamping force. Used for sidings, station tracks, and light-traffic areas. |
E Clip System
| Aspect | Details |
|---|---|
| Definition | E - shaped fasteners used to secure the rail to the sleeper, playing a crucial role in maintaining track stability and safety. |
| Material | Usually made of high - quality spring steel, such as 60Si2MnA, 60Si2Cr, etc. This kind of material endows the E - clips with excellent elasticity, fatigue resistance, and the ability to withstand repeated dynamic loads. |
| Structure | Generally, it has an "E" - like shape, with curved arms that can firmly grip the rail base. The design allows it to be effectively attached to the sleeper, and its specific dimensions may vary according to different rail and sleeper types. |
| Function | - Fastening: It can firmly fasten the rail to the sleeper, preventing lateral and vertical movement of the rail, and ensuring the correct track gauge. - Vibration and Shock Absorption: Due to its elastic nature, it can absorb vibrations and shocks generated when the train passes, reducing wear and tear on track components and improving passenger riding comfort. - Adaptability: It can adapt to the thermal expansion and contraction of the track under different climatic conditions. |
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