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조재홍(J. H. Cho),이재석(J. S. Lee),유재형(J. H. Yoo) 유공압건설기계학회 2012 유공압건설기계학회 학술대회논문집 Vol.2012 No.6
Main control valve (MCV) is a core component in construction equipment which controls the actuators and influences the performance and quality of work or operation. In particular, the characteristics of actuator behavior and RCV manipulation are affected by MCV notch. Therefore notch tuning is required to improve these characteristics especially for inching work. However, notch tuning after prototype model takes a lot of time and effort to tune on machine. In these reason, analytic model is constructed to consider notch shape and to verify the characteristics by using AMESim. The results have slightly differences with comparing measuring data and but well fit.