遠心力ブレーキ付ボールねじ式防振器の研究

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タイトル別名
  • Studies on ball screw type damper with centrifugal brakes.
  • エンシンリョク ブレーキツキ ボールネジシキ ボウシンキ ノ ケンキュウ

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抄録

The effects of vibration isolation of the new type of mechanical damper applied to a single-degree-of-freedom system and a simple beam are discussed numerically and experimentally. The damper is composed of a ball screw, a flywheel and centrifugal brakes, and possesses nonlinear characteristics. The Continuous System Simulation Language is used for the digital simulations of the nonlinear vibration systems. The results may be summarized as follows : (1) The damper is effective for suppressing the amplitude of the single-degree·of-freedom system as well as of the beam at the point of attachment of the damper, at the resonances. (2) The damper approaches a snubber for smaller values of lead L of the ball screw (or larger values of moment of inertia J of the flywheel), and acts like a damper whose damping force is proportional to the square of the velocity for larger values of L (or smaller values of J) .

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