| 摘要 |
<p>PROBLEM TO BE SOLVED: To provide a turbine blade processing method capable of efficiently processing a through hole extending internally from the surface of a turbine blade.SOLUTION: A turbine blade processing method for working a through hole in a turbine blade having a protective film formed on the surface of a substrate, comprises: an inserting step of inserting a working tool having a polished area at the leading end, into a through hole in a direction for the polished area to face the surface of the through hole; and a removal step of removing the protective film laminated on the through hole by polishing the protective film laminated on the through hole, at the polishing area of the working tool inserted into the through hole.</p> |
