円弧はりと磁気減衰を用いた除振テーブルの開発

概要

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This paper describes the static characteristics, the frequency response and the earth-quake response of a new type of isolation table. The isolation table is composed of four circular arc beams, a magnetic damper, a table board and a base board. One end of each circular arc beam is pinned to the four corners of the square table board, and the other end is fixed to the base board. The magnetic damper consists of a copper disk and eight pairs of rare-earth magnets, and the copper disk is attached to the center of the table board. The stiffnesses of the isolation table in the horizontal and vertical directions are analyzed, and the damping coefficient in the horizontal direction is calculated by Nagaya's equation. The frequency and earthquake responses in the horizontal direction are measured and compared with the calculated values.
一般社団法人日本機械学会の論文
1992-01-25