What is a railway rubber pad used for?
Rail pads are a critical component of railway infrastructure that play an essential role in ensuring the smooth and safe operation of trains. These pads are placed between the rails and the rail seat, serving as a cushion to absorb shock and vibration caused by passing trains. The primary function of rail pads is to protect the rails from damage and extend their lifespan.
Rail Pad (Under Rail Pad) Selection Parameter Comparison Table
| Selection Dimension | Specific Parameter Requirements |
|---|---|
| Core Material | Rubber, Cork-Rubber Composite, Polyurethane, EVA |
| Key Performance Parameters | Compression Set Rate, Rebound Rate, Dynamic Stiffness, Aging Resistance, Oil Resistance |
| Applicable Standards | UIC 864, EN 13481, GB/T 26114 |
| Working Condition Adaptation Requirements | 1. Temperature Range (-50℃~70℃)2. Rail Type (43kg/m~75kg/m)3. Line Type (Heavy-Haul Railway/High-Speed Railway/Metro) |
| Installation Matching Components | Rail, Sleeper, Fastener System (e.g., SKL Fastener, WJ Fastener) |
| Core Selection Basis | Line Load Class, Vibration & Noise Reduction Requirements, Environmental Corrosion Degree |
GNEE RAIL have developed a range of high-performance elastic rail pads for stiffness requirements and various application areas-from trams through standard gauge railways to heavy haul lines, especially those for E-type rail fastening systems and SKL type rail fastening systems with material of HDPE/EVA/Rubber, with following properties respectively.
|
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. |
Railway rubber pads are crucial components placed between rails and concrete sleepers to act as shock absorbers, reducing impact, vibration, and noise from passing trains, thereby protecting the track structure, distributing loads, preventing wear, and providing electrical insulation for signaling systems, all of which extend infrastructure life and improve safety.
Key Functions:
- Vibration & Noise Dampening: Absorb kinetic energy, reducing resonant vibrations and noise pollution, making journeys quieter and protecting surroundings.
- Load Distribution: Spread the concentrated weight of the rail over a larger sleeper area, preventing stress and fatigue cracking in concrete sleepers.
- Wear Protection: Prevent abrasion and crushing between the steel rail base and the concrete sleeper.
- Electrical Insulation: Isolate the rail from the sleeper, crucial for signaling systems.
- Elasticity & Compliance: Offer flexibility to accommodate minor rail movements and uneven surfaces, maintaining intimate contact.
- Structural Stability: Contribute to overall track stability and can provide longitudinal resistance to rail movement.
In the production and supply of rail pads (track pads), GNEE RAIL demonstrates significant advantages in production capacity, quality, product adaptability, and global service capabilities, as detailed below.
GNEE RAIL operates over 130 complete production lines covering mixing, vulcanization, molding, and testing, with an annual capacity of up to 3 million pieces, enabling efficient handling of large-volume orders. It is also equipped with a dedicated R&D team and large-scale internal testing platforms. Adhering to standards such as ISO 9001, every product undergoes rigorous testing and can also be subject to third-party inspections, ensuring reliable quality.
