| 摘要 |
<p>The application concerns a method of determining the wear of the leading edge of at least one rotary blade of an aircraft engine, arranged inside an outer casing, characterized in that it comprises the following steps: during the manufacture of the blade (34), producing on one of its faces at least one permanent mark having a predetermined position with respect to the leading edge of the blade, providing in the casing (10) of the engine an orifice (30) in spatial relationship with each blade to be monitored, introducing through said orifice an endoscope (36) inside the casing so as to bring its active end opposite the part of the blade comprising said mark and said leading edge in its vicinity, recording, with the aid of the endoscope (36) and means (50) for processing the images delivered by said endoscope, the actual position of said mark with respect to said leading edge, comparing said recorded position with said predetermined position in order to deduce therefrom whether wear has occurred or not.</p> |
