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1前言随着铁路快速发展和提速战略的进一步实施,列车运行速度越来越高,对机车走行部质量的要求也越来越高,出现任何问题都会影响到机车运行的安全。机车走行部无小事,只有客观认识车轮运行中存在的质量问题,准确把握车轮使用条件的变化趋势,采取切实有效的措施,加强走行部安全
1 Introduction With the further development of the railway and the further implementation of the speed-raising strategy, the running speed of the train is getting higher and higher, and the requirements on the quality of the running gear of the locomotive are also getting higher and higher. Any problems that occur will affect the locomotive running safety. Locomotive running department is no small matter, only an objective understanding of the existence of wheel quality problems, accurate grasp of the trend of changes in the conditions of use of wheels, take effective measures to strengthen the safety department