The 24 passively driven grinding stones operate “virtually noiseless” at speeds between 15–38 mph and approximately 13 miles of rail can be ground nonstop. “Similar to use on high speed and mixed ...

As mentioned, high-speed machines are typically suited for ... For instance, one could estimate that a set silicon carbide grinding stones may last approximately 5,000 square feet, while a diamond ...

Newer high-speed units have a higher price tag but ... A traditional surface grinder design uses wood or plastic wedges to hold the grinding stones, diamond segments, or other attachments in ...