Method and apparatus for monitoring cracks of a rotatable body

Details Method and apparatus for monitoring cracks of a rotatable body Method and apparatus for monitoring cracks of a rotatable body

G - Physics

01

N

349/42

G01N 29/04 (2006.01) G01N 29/14 (2006.01)

Patent

CA 1203883

- 1 - Abstract: The present invention relates to a method and apparatus for monitoring cracks of a rotatable body. The cracks are detected by measuring acoustic emission signals and evaluating the depth of cracks from the result of the comparison of assumed vibrations of the rotatable body and its measured vibrations. By this method not only the beginning of cracking of the rotatable body, but also the progress of cracking on an on line basis can be detected and monitored.

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