How do Rubber Rail Pads function?
Rubber rail pads function by cushioning shocks and vibrations, distributing the train's weight evenly, reducing noise, and protecting the rails and sleepers from wear and stress. They act as an elastic layer between the steel rail and the supporting sleeper, absorbing impacts and preventing the direct transfer of vibrations that can damage the track structure and cause discomfort. They can also prevent abrasion, and in some systems, provide electrical insulation.
| Rubber Rail Pad | ||
| Technical Parameter | Unit | Value |
| Stiffness | KN | 90-130 |
| Hardness Shore A | ℃ | 72-80 degree |
| Electronic Resistance | Ω | ≥ 106 |
| Tensile Strength before Aging | Mpa | ≥12.5 |
| Elongation before Aging | % | ≥250 |
Key functions of rubber rail pads
- Shock and vibration absorption: The elasticity of the rubber absorbs high-frequency impacts from train wheels, reducing stress on the rails and sleepers and leading to a smoother ride.
- Load distribution: They spread the weight of the train over a larger area of the supporting structure, preventing load concentration and reducing fatigue in both the rail and the sleeper.
- Noise reduction: By dampening vibrations, they significantly reduce the noise generated by the train, which is especially important in urban areas.
- Wear and tear prevention: They prevent the direct contact between the steel rail and the sleeper, reducing wear, abrasion, and crushing of both components.
- Electrical insulation: In certain applications, such as electric railways, they provide electrical insulation to prevent unwanted current from leaking from the rails to the ground.
- Surface compensation: They can absorb unevenness between the rail and the support, ensuring full contact and a stable connection.
GNEE RAIL is equipped with rail pad production lines for 130sets of machines, for the whole process of injection, refining rubber, sulfuration, moulding and inspection, etc. We own the most engineers for rail pad development, design, production and inspection, with annual production capacity reaching up to 2000, 000 pieces. What's more, rail pads for high speed rail lines are our featured products, including both the elastic rubber plates and height adjustment pads.
Elastic rubber plates for High-speed Railways
Height adjustment pads for High-speed Railways
As a professional rail fastener manufacturer, GNEE RAIL can produce various types of rubber rail pads with different materials, such as natural rubber, EVA, HDPE and so on. Our EVA/HDPE/rubber rail pads are with high elasticity, applying to types for rails such as rail UIC54, UIC60, BS80lbs,BS100lbs, and sizes as ordered. The pads can be customized with or without grooves, in various possible designs, depending on customers' requirements.
