편심 가진기를 이용한 기계설비 공진 진단 기법에 대한 고찰

One of the most important things is to investigate and to resolve the resonance problem with vibration diagnostics for machinery and power plant equipment using CBM (Condition-based maintenance) within a short time and with low cost. The objective of this paper is to introduce the diagnosis technique for resonant machinery equipment using eccentricity shaker with mechanical unbalance mass. When comparing to impact hammer method, the results of natural frequency for measure objects such as machine structures and rotating machinery show good agreement within 3 % of variation. Through the experimental verification using the proposed vibration diagnosis, it is helpful and useful for site experts and practical engineers to evaluate the vibration resonance in fields. So, the use of eccentricity shaker is much more useful and available to investigate the natural frequency than the hammer impact.