Abstract
The manufacturing quality of turbine blade is the key problem for an engine. Blade inspection is the important safeguard to blade quality. This paper presented some key techniques of a blade inspection system. First of all, the scan planning strategy and the results for a blade for getting as complete as possible data are described. Secondly, the data processing methodologies for the laser measurement data are put forward. Thirdly,the innovated methods of parameter extraction strategy, work flow and the key techniques are analyzed in details. Finally, the inspection results are illustrated. It shows that the presented solutions of the developed blade inspection are valid, practical and efficient.
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