Method For The Non Invasive Monitoring Of Wear Of A Turbine Engine Blade

Abstract: The invention relates to a method comprising the steps of: a) acquiring, by means of an optical sensor (54), a three-dimensional point cloud of a reference surface (56); b) defining a projection direction (Z) on the basis of the point cloud of the reference surface (56); c) acquiring a three-dimensional point cloud of a test portion (32) of the blade (10); d) calculating a three-dimensional skin surface of the test portion (32) and scanning it to determine a lowest point (72); e) projecting, in the projection direction (Z), a first point (70) belonging to the test portion (32) and point (72); f) determining a height (H') between the first point (70) and the second point (72); g) applying a criterion for comparing the height (H') with a predetermined value (C, C') that quantifies an acceptable level of wear of the test portion (32).

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