| 摘要 |
PROBLEM TO BE SOLVED: To provide a turbine rotor having blades of a Christmas tree type root part attached thereto. SOLUTION: This turbine rotor disk having blades of a Christmas tree type root part attached thereto has a complementation type slot for receiving the root part of the blade, and at least one stick having a set back for holding a spring strip for constraint is arranged in the bottom part of each slot of the disk between the bottom part and an end surface of the root part of the blade corresponding to the bottom part. During the assembling work, the slot of the disk corresponding to the blade to be fitted is placed at a position in the bottom part, and the root part of the blade to be fitted is slid into the slot, and each stick, in which the spring strip thereof is to be installed, is inserted continuously into a vacant space between the bottom part of the slot and the end of the root part of the blade. |
