ROTARY MACHINE

To provide a rotary machine capable of attaining an effective vibration attenuation effect while improving durability against abrasion.SOLUTION: This invention comprises a revolving shaft rotated around an axial line, several moving blades arranged at an outer peripheral side of the revolving shaft in a peripheral direction, a blade root attached to the revolving shaft, a platform arranged outside of said blade root in a radial direction, a moving blade having a blade main body extending from said platform to outside in a radial direction, several dumper pins 50 each of which is arranged between the moving blades adjacent to each other and several dumper pins 50 of which surfaces abut against both platforms of the moving blades. The damper pins comprise a dumper pin main body 51 and a coating layer 52 covering the surface of the dumper pin main body 51 and at the same time formed by material with lower friction coefficient than that of the dumper pin main body 51.SELECTED DRAWING: Figure 3 【課題】摩耗に対する耐久性を向上させながら効果的な振動減衰効果を得ることができる回転機械を提供する。【解決手段】軸線回りに回転する回転軸と、回転軸の外周側で周方向に配列された複数の動翼であって、回転軸に取り付けられる翼根、該翼根の径方向外側に設けられたプラットフォーム、及び該プラットフォームから径方向外側に延びる翼本体を有する動翼と、互いに隣り合う動翼の間にそれぞれ設けられて、これら隣り合う動翼のプラットフォームの双方に対して表面が当接する複数のダンパピン５０と、を備え、ダンパピン５０は、ダンパピン本体５１と、ダンパピン本体５１の表面を覆うとともにダンパピン本体５１よりも摩擦係数の小さい材料から形成されたコーティング層５２と、を有する。【選択図】図３