| 摘要 |
PURPOSE:To enhance the measuring accuracy by furnishing a plane at the perimeter of a steam turbine rotor, for the purpose of serving as terminals of a non- destructive measuring instrument. CONSTITUTION:A plane 8 is furnished at the perimeter of a steam turbine rotor, and a terminal 4 of a non-destructive measuring instrument shall front to this plane 8 either in contact or contactlessly. Thereby measurement can be carried out by putting the plane 5 of said terminal 4 in contact with the plane 8 or fronting contactlessly, so as to assure obtainment of stable measurements. |
