E Type Rail Elastic Clip is one of the common track fasteners in the railway fastening system, which is used to provide positive and durable track alignment under harshest working conditions, thus extending the life of railway track. Generally, rail elastic clip is made of forged spring steel with a diameter range from 18mm to 23mm, the main function of rail clip is to fasten railroad sleeper and steel rail together. The rail clip is considered as one of the best ways to ensure that rails not move, bend, warp, etc.
What are the assembly errors of E rail elastic clip?
E-clip assembly errors primarily involve incorrect insertion depth (over-insertion) and positioning (malposition), leading to stress concentration, fatigue, and failure; common issues include excessive toe load, changed contact points, resonance from rail corrugation, and inadequate clearance, all compromising the clip's critical toe load and structural integrity, particularly in inner/gauge-side locations.
Solutions & Best Practices:
- Maintain specified deflection (e.g., 10-12 mm) and gaps (3-9 mm).
- Ensure clips are correctly seated and aligned.
- Address rail corrugation promptly through grinding.
- Use appropriate tools and ensure components are complete and undamaged.
Application of e-railway clip in rail fastening system
E-railway clips (elastic rail clips) are crucial in rail fastening systems for securely bonding rails to sleepers, preventing vertical/horizontal movement, maintaining gauge, and absorbing vibrations, featuring a spring steel design that provides high clamping force (toe load) for track integrity, used globally in ballast and non-ballast tracks for durable, reliable, and often boltless connections that simplify installation and maintenance.
| Item included | Quantity | Material | Size | Remark |
|---|---|---|---|---|
| E clip | 2 | 60Si2MnA, 60Si2CrA | Dia. 16mm,18mm or 20mm (E1809, E2006,E2007,E2009,etc | Hardness: 44-48HRC |
| Toe Load: Dia.16mm: 500-700kgf; Dia.18mm:750-900kgf; Dia.20mm:1100-1400kgf | ||||
| Fatigue life: 5 millions cycles without breaking | ||||
| Standard: DIN17221, BS970, GB/T1222 | ||||
| Shoulder | 2 | QT500-7, QT450-10 | For UIC54, UIC60, 115RE, BS80lbs, BS100lbs, 50kg rail, 60kg rail, etc. | Note: Hardness of E-clip is 44-48HRC; Toe Load for E-clip is 500-700kgf (Dia.16mm); 750-900kgf(Dia.18mm); 1100-1400kgf(Dia.20mm); Fatigue life of E-clip is 5 millions cycles without breaking DIN17221, BS970, GB/T1222 qualified E-clip |
| Rail pad | 1 | HDPE, rubber or EVA | ||
| Insulator | 2 | Reinforced Nylon 66 (PA66) |
GNEE RAIL offer an extensive range of rail clips with optimum quality, these rail clips are designed with high precision and made up of premium grade spring steel. GNEE has been the largest and most competitive production base of rail clip in China after more than 18 years' rail clip producing experience, and have qualification to tender nationally large and medium scaled rail projects. What's more, our rail clip can be customized according to clients' requirements.