Electrical Insulation Railway Rail Pad for Vibration and Noise Reduction
Price:
Negotiable
MOQ:
10000
Delivery Time:
Negotiable
Brand:
Sudelan
Product Description
Rail Pad
A rail pad is an essential elastic component in railway applications, positioned between the rail and sleeper (or baseplate) within rail fastening systems. This critical interface absorbs dynamic forces, reduces vibration, and protects the overall track structure.
Key Functions
- Vibration and Noise Reduction Absorbs impact forces from passing trains, reducing noise transmission to the surrounding environment
- Load Distribution Distributes wheel loads evenly across the sleeper, preventing localized stress concentration
- Electrical Insulation Provides electrical isolation between rail and sleeper, essential for track circuit signaling systems
- Corrosion Protection Creates a protective barrier that shields the sleeper from moisture and chemical attack
Material Specifications
Rail pads are manufactured from various high-performance materials:
- Rubber Natural or synthetic rubber with hardness levels ranging from Shore A 50-90
- Polyurethane High-performance elastomers offering exceptional wear resistance
- EVA (Ethylene Vinyl Acetate) Lightweight and durable foam materials for specialized applications
- Composite Materials Advanced combinations of rubber with fabric or metal reinforcements
Technical Properties
| Property | Specification |
|---|---|
| Thickness | 5-12 mm depending on application |
| Hardness | 50-90 Shore A |
| Compression Set | <25% (ensures long-term elasticity) |
| Tensile Strength | 10-20 MPa |
| Electrical Resistance | ≥1*10⁸ Ω (for insulated systems) |
Applications
Rail pads are integral components in all modern railway fastening systems:
Concrete sleeper tracks
Timber sleeper tracks
Ballastless track systems
Turnouts and crossings
The selection of rail pad material and properties depends on critical factors including train speed, axle load, track type, and environmental conditions. This optimization ensures superior track performance, extended longevity, and minimized maintenance requirements.
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Get in Touch
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Company
Suzhou Sudelan Railway Parts Co., Ltd.
Location
112th,Fuqiao Town, Taicang City, Suzhou City
Contact Person
Brian