高速度における平歯車の動荷重 : 圧力角誤差の影響と減速, 増速かみあいの比較

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タイトル別名
  • Dynamic Loads on Spur Gear Teeth at High Speed : Influence of the Pressure Angle Errors and Comparison between the Reduction Gears and the Speed-up Gears
  • コウソクド ニ オケル ヒラハグルマ ノ ドウ カジュウ

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抄録

Dynamic loads on spur gear teeth are measured by a high speed gear testing machine at a periphery speed of 80 m/s and below. The ground gears (some of them have pressure angle errors) are tested as reduction gears and also as speed-up gears respectively. The maximum dynamic loads occur at the critical speed, at which the conjugating frequency is equal to the natural frequency of the vibratory system consisted of the pinion, gear and the teeth stiffness. At a speed higher than the critical one, the magnitude of the dynamic load approaches a certain constant which is determined by the teeth errors. When the errors are repeated in each conjugation as in this case, dynamic loads of the gear tested as a follower are nearly equal to the ones tested as a driver.

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