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Windscreen wiper systems, long regarded as a secondary feature having little or no impact on the reliability of services, are now seen as safety devices. Malfunctions can cause delays.
It is essential that all the components are perfectly adapted to railway conditions and to each cabin layout.
A comparison with automotive equipment can best explain the qualities required for a wiper system intended for use on railways:
A private car travels an average of 100,000 km in 36 months…
A locomotive covers this distance in just 3 months and the average daily distance covered is currently more than 1,000 km.
In 100,000 km, a car will have its wiper blades replaced 4 or 5 times, meaning a useful life of about 20,000 km…
The wiper blades on a locomotive are replaced every 200,000 to 300,000 km.
When it rains, a car travelling at 130 kph will slow down and might even stop if the storm is very bad...
whatever the weather, the locomotive will maintain its speed, from 160 to more than 300 kph, while still needing the windscreen to be efficiently cleaned.
Windscreen wiper systems for railways must also remove insects (clouds of flies and mosquitoes) or even birds, using devices and cleaning fluids specially designed for use on locomotives.
For more than 40 years, BROT Technologies has been designing and manufacturing windscreen wiper systems (motors and actuators, arms and blades), which have a very long useful life; 30 years for the motors and 5 years for the arms. Our blades have a 2-year guarantee.
More than 20,000 ALBA series actuators are currently in service on the French rail network.
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