TURBINE ROTOR AND TURBINE DRIVING BLADE

摘要

A turbine rotor and a turbine driving blade are provided to prevent damage to a groove cutter during rotor cutting and reducing a contact surface pressure of an innermost periphery of a rotor. A turbine rotor includes a rotor hook and a rotor neck(16). The rotor hook and the rotor neck are inserted into an inversed Christmas tree type turbine blade installation part(2). The installation part has a blade hook and a blade neck. A turbine driving blade has a blade hook and a blade neck. The blade hook and the blade neck are inserted into a turbine rotor(3) as an inversed Christmas tree type extending in a central direction of a rotor having a rotor hook and a rotor neck.