Effect of rail corrugation on metro interior noise and its,
Rail corrugation is very common in metro systems, and serious noise problems produced by rail corrugation, especially short-wavelength corrugations (25–50 mm), are a common cause of passenger complaints.For metro trains, the wheel-rail interface is the main source of noise, and the wheel-rail roughness, especially in the presence of rail corrugation, is the main excitation source.Hybrid Rail Head Profile Grinding Machine | Robel,Hybrid Rail Head Profile Grinding Machine. 13.49 Recuts joint profiles smoothly and accurately. For a better grinding pattern in less time.,Rough grinding is done in several cycles – the free of play grinding wheel feed is controlled by pressing the toggle switch.Rail Grinder - KiwiRail,A rail grinder of this type and scale has never been used on New Zealand’s rail network before. It’s a state-of-the-art machine, more than half the length of a football field. With 24 high speed grinding stones set at controlled angles, the grinder restores the rail to its correct shape.