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Rail lubrication systems rarely get attention, yet they quietly play a crucial role in keeping trains moving smoothly and safely. If you’ve ever stood near a railway curve and heard that sharp squeal as a train passes, you’ve witnessed friction at work. Rail lubrication systems exist to reduce that friction, protect infrastructure, and make the entire rail experience more efficient.
At its core, a rail lubrication system is designed to apply a controlled amount of lubricant—usually grease or oil—to specific parts of the rail or wheel. The most common target is the gauge face of the rail, which is the inner side that comes into contact with the train’s wheel flange, especially on curves. Without lubrication, this contact creates intense friction, leading to wear, noise, and increased energy consumption.
There are generally two main types of lubrication systems: wayside and onboard. Wayside systems are installed along the track, typically near…



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