Description
Technical Parameters
Railway E-Clip (Elastic Rail Fastener)
| Category | Specification | Details / Value |
|---|---|---|
| Product Name | Railway E-Clip (Type E Elastic Fastener) | |
| Primary Function | To provide a constant, elastic toe load that clamps the rail foot to the baseplate/sleeper, ensuring secure and maintenance-free fastening. | |
| Design Principle | A single-piece, wedge-shaped spring made from round steel rod. The "E" shape creates two contact points that generate the required clamping force when deformed during installation. | |
| Key Design Feature | Shape & Action | Self-energizing wedge action. The clip's design ensures that train-induced vibrations and dynamic loads further enhance its grip, preventing loosening. |
| Toe Load | The primary performance indicator. Typically 8 kN to 12 kN per clip, providing a high and consistent restraining force. | |
| Installation Deformation | Designed to be deflected (pushed) a specific distance to generate the precise design toe load. |
Advantages over Rigid Fasteners
| Elasticity | Absorbs energy and dampens vibrations, reducing stress on the track foundation and rolling stock. |
| Constant Holding Force | Maintains clamping force over a wide range of temperatures and under dynamic loads, eliminating the need for re-tightening. |
| Automatic Adjustment | The wedge action automatically compensates for minor wear and settlement in the rail pad. |
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