振動を利用したねじ締結に関する研究(第1報) : 基礎実験

概要

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The purpose of this paper is to investigate screw tightening in order to attain the certainty of tightening by means of the reduction of equivalent kinetic friction by harmonic vibration. In the present paper, the findings of the investigation on the model and basic experiments are given. The model experiment for the inclined surface for screw tightening agrees approximately with the model analysis. The basic experiment which was carried out using an M20 Bolt applying torsional vibration showed that there is a clear vibration effect when the tightening velocity ratio V (V= X/θω, where X; tightening velocity, θω; amplitude of vibration Velocity) is less than 1. Therefore, the axial tension increases and its variance can be reduced by harmonic vibration. It is clear from the experimental results that the screw tightening by harmonic vibration is effective.
公益社団法人精密工学会の論文
1983-02-05