The Residual Life Cycle Evaluation of the Bogie Frames of EMU Vehicles

전동차용 대차틀의 잔여수명 평가

This paper reports in the investigation results about residual life cycle evaluation of the bogie frames. The investigations consist of following two items. The residual life cycle evaluation and wholesome state developed in the bogie frames. The statistical data of analysis about crack occurrences checked at each part of the bogie frames in preliminary and precision inspections. These results support the possibility of extending the life cycle by 5 years.