基于货车摇枕检修运用数据的疲劳裂纹统计分析

Statistic Analysis on Fatigue Cracks on the Basis of the Data of Inspection, Repair and Operation of Freight Car Bogies

以车辆段检修的原始数据为依据 ,利用统计学的方法 ,从摇枕使用时间、部位、生产工艺 3个方面对疲劳裂纹进行统计分析 。

In this paper, the statistic analysis of fatigue cracks is made on the basis of the original data of inspection and repair in depot, with the method of statistics, from the three aspects of application time, part and production technology of the bolsters. The result of analysis is helpful to the inspection, repair and service life management in the future.