Study on Reliability of Key Components of Freight Cars Running at High Density

摘要

The Da-Qin railway line in China runs 653 kilometers where the heavy haul train of 10,000 and 20,000 gross tons are operated at average interval of 14 minutes continuously without stop for maintenance. The essay focuses on how to improve the reliability of key components of running gear, coupler and draft gear and carbody to ensure safe operation of heavy haul train in high density and running mileage.