Apparatus and method for measuring and maintaining the...

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B - Operations, Transporting

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B

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B24B 49/00 (2006.01) B24B 19/00 (2006.01) B24B 49/04 (2006.01) E01B 31/17 (2006.01) E01B 35/06 (2006.01) G05B 19/42 (2006.01)

Patent

CA 1319513

APPARATUS AND METHOD FOR MEASURING AND MAINTAINING THE PROFILE OF A RAILROAD TRACK RAIL ABSTRACT A strobe light, oriented directly over a railroad track rail and at a 45° angle to the horizontal, projects a light line across the rail. A pair of cameras oriented directly over the rail view the light image on the rail. The light lines reflected from the foot of the rail provide a reference for numerically describing the profile of the railhead. The measured rail profile is compared to an ideal rail profile. The results of the comparison are used to position grinding modules for grinding the rail to a preferred profile.

609021

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