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            Grinding actively manages the profile of the rail, making the contact stress between the wheel and the rail more evenly distributed, avoiding local rapid wear caused by stress concentration. This not only extends the lifespan of the rail itself but also...  moreGrinding actively manages the profile of the rail, making the contact stress between the wheel and the rail more evenly distributed, avoiding local rapid wear caused by stress concentration. This not only extends the lifespan of the rail itself but also reduces the wear of the wheels, achieving “joint extension†for both the wheels and the rails, significantly reducing the costs of material procurement and maintenance and replacement.
https://www.railwaypart.com/
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