Characteristics And Functions Of Rubber Pad For Railway
Railway rubber pads are crucial components that act as shock absorbers, reducing vibration and impact between rails and sleepers (ties) to extend track life, minimize noise, and protect infrastructure; they achieve this through engineered elasticity, high resilience, and durability against harsh conditions like extreme temperatures, ensuring proper stress distribution, electrical insulation, and preventing wear, ultimately enhancing safety, comfort, and reducing maintenance costs.
Key Functions of rail elastic pad
- Vibration & Noise Dampening: Absorb impact and dampen vibrations from passing trains, reducing noise and structural stress.
- Protects Components: Acts as a buffer, reducing wear and tear on rails, sleepers (especially concrete), and ballast, extending their lifespan.
- Stress Distribution: Evenly spreads dynamic loads from wheels across the sleeper, preventing localized damage.
- Electrical Insulation: Provides electrical isolation, protecting signaling and communication systems.
- Resists Rail Movement: Offers longitudinal resistance to prevent rail creep.
- Enhances Elasticity: Increases overall track elasticity for quieter and smoother rides, meeting modern acoustic standards.
Key Characteristics of railway pad
- Engineered Stiffness: Designed with low initial stiffness for comfort and high stiffness under impact to maintain rail contact.
- High Resilience & Durability: Made from specialized rubber compounds (natural, chloroprene, etc.) for high elasticity, abrasion resistance, and long life.
| 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 |
- Environmental Resistance: Able to withstand extreme temperatures (-60°C to +60°C), aging, sunlight, and cold.
- Load Bearing: Engineered to handle intense, repetitive loads without excessive compression set.
- Versatile: Available in various designs (e.g., grooved) and thicknesses (4.5mm-60mm) to suit different track systems (concrete, wood sleepers) and requirements.
Rubber rail pads for concrete sleepers
| Material: | rubber |
| Standard: | TB/T2626-95 |
| Application: | 43kg/m ,50kg/m, 60kg/m, 75kg/m rail |
| Models: | 43-7-7, 43-10-7, 50-7-9, 50-10-9, 60-10-17, 60-12-17 |
| Operation temperature: | -50~70 degrees |
| Certificate: | ISO9001:2008 |
| Notes: | Should be stored in clean, ventilated place. Don't put under direct sunlight, and keep away from heat sources and chemical reagents. Don't touch oil, organic solvent and other chemicals. |
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.
