| 摘要 |
<p>PROBLEM TO BE SOLVED: To provide a torque fluctuation absorbing damper lightweight and improved in abrasion resistance and corrosion resistance.SOLUTION: In a torque fluctuation absorbing damper, an annular mass body 3 is connected to an outer periphery of a hub 1 through a first elastic body 6, and a pulley 7 rotatably supported by the annular mass body 3 through a bearing 8 is connected to the annular mass body 3 through a second elastic body 9. At least one of the annular mass body 3 and the pulley 7 is made of aluminum or aluminum alloy surface-hardened by hard alumite treatment or hard chromium-plating treatment.</p> |
