X‐Yテーブルとうず巻ばねを用いた免震テーブルの研究

書誌事項

タイトル別名
  • A Study of an Isolation Table Using an X-Y Table and Spiral Springs.
  • X Yテーブル ト ウズマキバネ オ モチイタ メンシンテーブル ノ ケンキュウ

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抄録

In this paper, a new type of isolation table using an X - Y table and spiral springs was developed. The damping of the isolation table is given by the friction force and the viscous damping of the X - Y table, and the stiffness is given by the spiral springs. The trial isolation table was made and its resisting force characteristics were measured. The seismic responses of the isolation table having a weight or a 3-story tower-like structure on board were also measured using an electrohydaraulic type shaking table. The experimental results are compared with the calculated results, and the effects of vibration suppression of the table and the overturn moment acting on the table are discussed.

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