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Correcting deformed ends of rails
Bent ends of rails in the rail joints are straightened by using plastic deformation, heating, overlay welding and follow-up grinding. A special rail-bending machine is used, and for supported rail joints, taking out the double sleepers in advance is not required. In case of knocking (breakage) or crushing of the head of the rail, its profile is recovered using overlay welding and grinding after straightening. The technology has been patented in 2005.