多自由度2方向形動吸振器による平面研削盤の振動特性の改善

概要

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In the preceding paper, it is shown that an optimally designed dynamic damper is effective in improving the dynamic stiffness of surface grinding machines and in suppressing the chatter marks caused by the tuning-fork mode vibrations of the machines. The dynamic characteristics of the machines, however, depend on the machine settings, e.g., the height of a wheelhead, the position of a work table and a saddle, etc. Therefore, it is supposed that the optimum conditions of the damper are difficult to keep. The present paper aims to develop a dynamic damper which has an excellent adaptability to the variation of the dynamic characteristics of the grinding machine during manufacturing operations. To this end, a multi degree-of-freedom two direction type dynamic damper is designed and its effectiveness is investigated experimentally. It is found that the newly developed damper has the good adaptability and is effective also in suppressing the horizontal vibrations caused by the shock due to the reversal of the work table.
公益社団法人精密工学会の論文
1988-06-05