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The rails are polished before the high-speed rail is opened to traffic. This polishing strategy is called pre-polishing. Not only high-speed rails, but generally after the completion of the new line, the rails need to be polished before operation.
The Rails are always in an inconspicuous place for trains to crush and guide trains, buried in the soil and deep in dust. But...
The rail supplier introduces you to the cutting method of the rail
Modern track typically uses hot-rolled steel with a profile of an asymmetrical rounded I-beam.
Machine tool manufacturers are doing their best to ensure the accuracy of guide rail installation. Before the guide rail is proc...
After welding, when it is not cooled after stress relief heat treatment, it must be protected from rain and other wetness; the ho...
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