【摘要】 火车车轮在快速行进的过程中，表面擦伤的裂纹易扩展、开裂。严重影响火车运行安全。介绍在线检测车轮缘表面缺陷超声波探头的研制及检测的结果更多还原

【Abstract】 Wear and tear flaws in train wheel surface are easy fractured in high-speed advanced progress.It seriously affects the safety in high-speed forward march train.Development and design of ultrasonic probe on field testing flaws in train wheel surface is introduced in this paper.This equipment can be regularly and safely tested flaws in train wheel surface on field.更多还原