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Help CenterRail-to-Sleeper Fastening System for High-Speed Railway, 350km/h, Elastic Fastening, Vibration Damping
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As a professional manufacturer with over 25 years of experience, Anping County Boli Hardware Wiremesh Products Factory (est. 1998) proudly presents our Rail-to-Sleeper Fastening System for High-Speed Railway, 350km/h. This system combines elastic fastening technology with advanced vibration damping to ensure safe, stable, and low-noise operation at the highest speeds. Our annual export value of US$5–10 million and global distribution across North America, Europe, Asia, and Oceania demonstrate the trust that international railway operators place in our products.
Designed specifically for 350km/h high-speed rail lines, this fastening system effectively secures the rail to the sleeper while absorbing dynamic loads and reducing track vibrations. The elastic fastening feature maintains consistent clamping force, minimizing rail creep and ensuring gauge stability. The integrated vibration damping layer (polymer pad) reduces noise by up to 5 dB and protects the track structure from fatigue, extending service life by 30% compared to conventional rigid systems.
Key technical parameters are summarized below:
| Parameter | Value |
|---|---|
| Maximum Operating Speed | 350 km/h |
| Clamping Force Range | 10 – 12 kN (adjustable per design) |
| Elastic Clip Type | W-shaped / omega-shaped (optional) |
| Vibration Damping Pad Material | High‑damping TPU / EPDM compound |
| Fatigue Life (cycles) | > 2 million (tested per EN 13146) |
| Corrosion Protection | Phosphating + Dacromet (or ZnAl coating) |
| Weight per fastening set | 2.8 – 3.2 kg (depending on model) |
Product Advantages
- High Elasticity: The spring clip maintains consistent pressure over millions of cycles, preventing rail rollover and ensuring track gauge stability.
- Vibration & Noise Reduction: The damping pad absorbs vertical and lateral vibrations, lowering noise levels and reducing wear on sleepers and ballast.
- Easy Installation & Maintenance: Modular design enables quick assembly and replacement without specialized tools, reducing downtime.
- Corrosion Resistance: Advanced surface treatments (Dacromet, hot-dip galvanizing) provide long-term protection in harsh environments, including coastal and tunnel applications.
- Customizable Specifications: We offer tailored clamping force, clip geometry, and pad thickness to match your specific rail profile and sleeper type.
- Compliance with International Standards: Our products are tested against TB/T 3395, EN 13146, and AREMA guidelines to ensure reliability.
Benefits to Customers
- Reduced track maintenance costs – 30% longer life compared to rigid fastening systems.
- Improved passenger comfort – lower noise and vibration inside trains.
- Enhanced safety – consistent clamping force prevents rail creep and buckling at high speeds.
- Faster installation – field-proven design reduces labor requirements by 20%.
With our factory located in Hengshui, Hebei, we have supplied over 2 million fastening sets to high-speed rail projects in China, Southeast Asia, Africa, and South America. Our team of 50+ engineers and technicians ensures strict quality control from raw material to finished product. We are capable of shipping from Tianjin, Qingdao, Shanghai, and Foshan ports, with reliable lead times.
We invite you to experience the difference of a truly engineered fastening system. Contact us today for a quotation, technical drawing, or sample testing. Let us support your next high-speed railway project with proven performance and global delivery.
Frequently Asked Questions
Q1: What is the maximum speed rating for this fastening system?
A: The system is designed for high-speed railways up to 350 km/h. For higher speeds (e.g., 400 km/h), we can provide customized solutions upon request.
Q2: Can the clamping force be adjusted after installation?
A: The nominal clamping force is preset during manufacturing. However, the spring clip design allows for minor adjustments by replacing the clip or adjusting the spacer. For precise tuning, please consult our engineers.
Q3: What materials are used for the damping pad?
A: The damping pad is made of high‑damping thermoplastic polyurethane (TPU) or EPDM rubber, offering excellent fatigue resistance and temperature stability (-40°C to +80°C).
Q4: Is this system compatible with concrete sleepers, wooden sleepers, or steel sleepers?
A: Yes, the system can be adapted to all common sleeper types. We provide custom base plates and anchor inserts to match your sleeper design.
Q5: Do you provide technical support for installation?
A: Absolutely. We offer detailed installation manuals, on-site guidance (optional), and video tutorials. Our engineers are available for remote consultation.
Q6: What is the typical lead time?
A: For standard models, lead time is 30–45 days after confirmation of order and payment. For customized designs, it may extend to 60 days. We can arrange expedited shipping for urgent projects.
Q7: How do you ensure quality control?
A: Every batch undergoes dimensional inspection, clamping force testing, fatigue testing, and corrosion resistance testing in our in-house laboratory. We also provide test reports with each shipment.
Q8: Can I purchase a sample for testing before bulk order?
A: Yes, sample orders are welcome. We can supply 1–5 sets for evaluation. The sample cost is usually deducted from the final order quantity.
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