EN45545 Rubber Chevron Spring for Railway Suspension - 2 Million Cycle Fatigue Life, -25℃ to 50℃ Operating Range
Price:
negotiable
MOQ:
100pcs
Delivery Time:
15-50 days, depends on QTY
Brand:
HTR
Product Description
Product Overview
The EN45545 rubber chevron spring serves as the primary suspension component installed on axle boxes. Due to its slanted mounting position, dimensional accuracy and hardness specifications critically influence frame installation height. Strict quality control ensures safe operation of bogie systems equipped with these chevron springs.
Technical Specifications
| Parameter | Specification |
|---|---|
| Operation Temperature | -25℃ to 50℃ |
| Type | Primary Suspension Axle Spring |
| Standards | EN45545, GB/T 36375-2018 |
| Applications | Metro, Intercity Train, Tram Light Car Vehicles |
| Tensile Strength | ≥15 MPa |
| Elongation at Break | <60 Shore A: ≥400% ≥60 Shore A: ≥300% |
| Metal-Rubber Adhesion | ≥4 MPa |
| Resilience | ≥40% |
| Compression Set (EN) | ≤20% (70℃, 24h) |
| Ozone Resistance | No cracks; 50±5 ppb ozone, 23℃, 24h, 20% elongation, ≤65% RH |
| Heat Aging (70℃, 96h) | Hardness change ≤7 Shore A Tensile strength reduction ≤25% Elongation reduction ≤25% |
| Low Temperature Performance | No damage at -40℃ |
| Fatigue Life | 2,000,000 cycles |
| Storage Temperature | -15℃ to 40℃ |
| Surface Treatment | Anti-corrosion coating |
| Shelf Life | ≤24 months |
Key Features
- Compliant with EN45545 railway safety standards
- Excellent vibration damping with 40% resilience
- Extended service life with 2 million cycle fatigue rating
- Wide operating temperature range from -25℃ to 50℃
- Superior ozone and heat aging resistance
- Anti-corrosion surface treatment for harsh environments
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Get in Touch
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Company
Chongqing Hengtairail Equipment Co.,Ltd.
Location
A1-3-1, Xinrui Zone, No. 25-1-3, Keyuan 1st Street, Jiulongpo District, Chongqing
Contact Person
Wei Dong