Description
Technical Parameters
Railway Shoulder - Technical Specification & Function
| Aspect | Description & Details |
|---|---|
| Product Name | Railway Shoulder (or Rail Fastening Shoulder) |
| Compatible System | Must be part of a matched fastening system (e.g., Pandrol Fastclip, Vossloh SKL, Nabla). A shoulder is designed for one specific clip type. |
| Standard Material | Glass-Filled Nylon (Polyamide) or Polyamide. Chosen for its excellent strength, durability, and electrical insulation properties. |
| Alternative Materials | Ductile Iron or Cast Steel for non-insulated, high-impact applications (e.g., some heavy haul lines, older systems). Much less common on modern mainlines. |
| Material Standard | European: EN 13146 (Test methods for fastening systems) |
Inspection & Maintenance
Regular visual inspection for:
- Cracking or Breaking: Compromises strength and insulation.
- Wear: Especially in the clip contact area, though this is rare.
- Carbonization: Black, burnt tracks on the surface indicate electrical damage.
- Loose Shoulders: A sign of failed concrete adhesion (extremely rare).
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