A rail pad is a resilient support element positioned beneath the rail to cushion dynamic and static loads, reduce vibration, and prevent direct metal-to-metal contact, thereby protecting both rails and sleepers. GNEE RAIL offers high-performance rail pads for slab and ballast tracks, including rubber, composite, and fiber-reinforced pads, compatible with GB, UIC, DIN536, JIS, AS1085, BS11, and AREMA/ASCE rails, and provides customization services such as thickness adjustment, shore hardness selection, and installation guidance.
What surfaces are rubber pad tracks designed for?
Rail rubber pads are primarily designed for installation between steel rails and concrete sleepers (or sleepers/ties) in railway, metro, and heavy crane track systems to provide cushioning, electrical insulation, and reduce vibration. They are specifically designed for high-impact, rigid surfaces like concrete, acting as an elastic cushion.
Key Application Surfaces and Contexts:
- Concrete Sleepers/Ties: Installed between the rail and the sleeper to prevent fatigue cracking of the concrete, offering a better alternative to rigid, non-elastic fasteners.
- Steel Rails and Support Structures: Used in rail fastenings for train tracks,, bridges, and crane tracks to reduce stress and distribute loads.
- Turnouts/Switches: Often used under fan-shaped turnouts (e.g., 60kg rails).
- Ballast Mats: Used in ballasted tracks to provide resilience, reduce noise, and protect infrastructure.
Common Material Components:
- They are manufactured using materials such as natural rubber, SBR (Styrene-Butadiene Rubber), Chloroprene rubber, HDPE (High-Density Polyethylene), and EVA (Ethylene-Vinyl Acetate).
- The surface of these pads can be designed for different standards like UIC, AREMA, BS, RDSO, or TB/T.
| Raw Material | Rubber, EVA, TPEE, HDPE |
| Standard | UIC, AREMA, TB/T2626-95 |
| Application | 43kg/m, 50kg/m, 60kg/m, 75kg/m,115RE, UIC54, UIC60, S49 |
| Model number | 43-7-7, 43-10-7, 50-7-9, 50-10-9, 60-10-17, 60-12-17 |
| Operating temperature | -50~70 degrees |
| Certificate | MSDS, ROHS, REACH |
| Notes | They should be stored in a clean, ventilated place. Don't be in direct sunlight, and keep away from the heat source and chemical reagent. Don't touch the oil, organic solvent, and other chemicals. Banned exposure. |
What is the role of the rail rubber pad in the rail fastening system?
Rail rubber pads, placed between the rail and sleeper, provide critical cushioning, load distribution, and vibration damping to extend track life. They protect concrete ties from fatigue, prevent fastener loosening, reduce noise, and provide electrical insulation. Synonyms include rail pad, rail base plate pad, grooved rubber pad, or simply elastic pad.
Key Roles and Usage Examples:
- Vibration Damping and Shock Absorption: They absorb the dynamic impact of trains, protecting both the rolling stock and the track structure.
- Load Distribution: Pads distribute the intense wheel loads evenly across the sleepers, reducing stress concentrations.
- Preventing Rail Seat Abrasion: They act as a buffer between the steel rail and the concrete/wooden sleeper, minimizing abrasive wear.
- Maintaining Fastener Pressure: The elastic nature of the rubber ensures that the fastening system (e.g., clips) remains under constant pressure, preventing loosening due to vibration.
- Noise Reduction: In urban areas, these pads are crucial for damping high-frequency noise caused by train traffic.
- Electrical Insulation: They prevent electrical currents from passing between the rail and the sleepers, which is essential for signaling systems.
As a professional rubber rail pad manufacturer GNEE RAIL can produce various standards of rubber rail pads and other rail fasteners. If you want to build a railway line, do not hesitate to contact us, we can supply all types of rubber rail pads with different materials. If necessary, we can make customized rubber rail pad production.
Click here to obtain the detailed product catalog of GNEE RAIL.
