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turnout vibration damping fastener 01

Turnout Vibration Damping Fastener

Double-layer removable turnout vibration damping railway sleeper fasteners belong to medium vibration damping fasteners. Compared with ordinary turnout fasteners, the vibration damping improved by more than 8 dB. The fastener body is pre-assembled together in the factory, and all parts can be easily replaced and maintained. With a large anti-drawing force of the system, it can effectively avoid the risk of train operation caused by the insufficient anti-drawing force of sulfurized turnout damping fasteners.


Turnout Vibration Damping Fastener

Advantages of Turnout Vibration Damping Fastener

1. Medium Damping Fasteners: Applied to switch areas, compared with the general switch fasteners vibration reduction of more than 8dB


2. Non-uniform stiffness and integrated molding of the middle pad: While ensuring the rigidity and uniformity of the fastener system, it solves the hidden taken-off danger of the middle pad shear splicing structure, and the track safety is better.


3. Low Life Cost: removable structure, easy on-site replacement, and maintenance, only need to replace the elastic pad.


4. Strong Applicability: Adopting patented self-locking mechanism, and the pre-loading force and stiffness can be adjusted on-site to meet the needs of different working conditions.


5. Rich models: Designed with No. 7 single opening, No. 7 crossing, No. 9 single opening, and No. 9 crossing supporting switch damping fastenings, and can be targeted according to customer requirements.


6. Simple and Quick Installation on Site: pre-assembly before leaving the factory, the installation method isthe  same as that of ordinary turnout fasteners

Turnout Vibration Damping Fastener

Performance Indicators of FST Type High Torsion Resistance High Vibration Damping

Content

Technical Indicators

Stiffness

Static stiffness is 20±3KN/mm.

Dynamic-static Ratio

Dynamic-static ratio no more than 1.35

Vibration Damping Effect

Compared with ordinary fasteners improve more than 8d B.

Fatigue Performance

Single set of fasteners vertical loading 8~40kN, lateral loading 4~20kN, after 3 million times of fatigue test, the rate of change of static stiffness is no more than 10%, Gauge expansion is no more than 6mm, no damage to parts.

Insulation resistance

>108Q

Consistency of stiffness on single fastener

Stiffness deviation of different measurement points on a single fastener is controlled within 10%.

Fastener Transition

No need to set up stiffness transition section

Interface with Rail

It can be matched with 50kg rails, 60kg rails and many kinds of elastic bar forms.

Slope of rail bottom

According to the requirements of the design of rail bottom slope

Interface with sleeper

Suitable for many kinds of rail sleepers, and can be adjusted according to the requirements of design


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