すべりクラッチ機構の振動特性

概要

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Elastic couplings in two marine propulsion shafting systems containing this sliding clutch were damaged. Therefore, in order to clear up the causes of this accident, the characteristics of the torsional vibration of this marine propulsion shafting system was clarified by calculations. Furthermore, the experiments of the torsional vibration were made, using these shafting systems. According to the examination of the experimental and calculated results, it was clarified that this accidents happened because of torsional vibration which occured when the generator was being driven. Next, in order to clear up the reason why this torsional vibration occured, the shafting systems in which the accident happened were compared with the shafting systems inwhich the accident did not happen, the stability of the shafting systems was examined by the vibration model in which the sliding clutch plates was considered, and the torsional vibrations were measured by using the testing machine containing the sliding clutch for the driving of a generator. Consequently, it was clarified that the accident happened because of the self-excited vibration which occured in the sliding clutch. Furthermore, in orderto clear up the reason why this self-excited vibration occured, the torsional vibrations were measured by the sliding clutch equipment.
山口大学の論文