Shape Matching Tram Track Wrapping Materials

The system comprises three components: inner rail web damper, outer rail web damper, and rail base boot. These are bonded to the rail with structural adhesive, with sealant applied to the rail crown and all splicing joints to complete closure. This arrangement ensures mechanical robustness, environmental sealing, and electrical insulation throughout the assembly, effectively excluding moisture and preventing stray current leakage.
Model: Shape matching type

product details

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Application and Component Materials

Component Materials

Application

Key Technical Parameters

System Configuration

The encapsulation system incorporates two grooved rail damper elements—inner and outer—each contoured on the rail‑side face to match the grooved rail profile, with the lower sections corresponding precisely to the rail bottom sheath. This dual‑matching geometry ensures full interfacial contact across the rail web and base. Along the longitudinal direction, both dampers can be field‑cut or spliced as required to accommodate varying fastener spacing along the alignment.

Adaptability and Installation

The grooved rail wrapping material exhibits exceptional shape‑matching capability, conforming closely to curved track geometries without sacrificing interfacial integrity—a particular advantage on sharp radius sections where rigid liners typically lose conformity. The material offers consistent dimensional properties, straightforward cutting, and efficient on‑site handling, rendering it suitable for both landscaped and hard‑surface track configurations with flexible selection of product variants.

Application Integration

The system interfaces seamlessly with floating slab track systems, where the rail side transition structure accommodates differential displacements between the rail and the slab. The tram rail flexible coating structure, together with other tram track wrapping materials, ensures that shape matching tram track wrapping materials maintain their protective function throughout the design life without delamination or loss of seal.

Primary Functions

Vibration and noise mitigation – The grooved rail damper contributes substantial added mass to the rail section, effectively absorbing vibrational energy and delivering consistent grooved rail vibration reduction across the entire frequency spectrum. This continuous contact damping yields superior grooved rail noise control compared with discrete support solutions.

Dynamic performance – The rail waist filler material maintains uninterrupted contact with the rail throughout the service envelope, ensuring stable dynamic response under variable loading and temperature conditions.

Service life extension – By attenuating impact forces and minimising relative movement between rail and encasement, the rail bottom sheath protection retards fatigue accumulation in both the rail and the supporting track structure, thereby prolonging their service intervals.

Stray current protection – The encapsulation layer provides electrical isolation essential for rail encapsulation for light rail systems, mitigating electrochemical corrosion of embedded metallic components.

Quality Assurance

Before leaving our factory, Tram rail fastener for Grooved rail will be tested strictly according to standard requirements .

For customers who require more, we carry out type tests at our in house testing centre.

Custom Mould Design & Manufacturing

– In-House, Start to Finish

Our Mould Engineering Department operates a full digital workshop equipped with more than 20 CNC machines, including machining centres, spark eroders, and wire cutters. This allows us to design and manufacture a wide range of moulds for the rail transit industry – injection moulding, rubber, SMC, and specialised types such as autocorepulling bush moulds.

Annual output stands at 300 sets of moulds and tooling.

If your project calls for a non-standard shape for Elastic Ballast Mat, a special material, or a unique production feature, we have the equipment and the experience to deliver.