摘要
探讨超声检测DF4B型机车车轴齿端轮座内侧各种反射回波的形成原因,分析组装间隙、组装应力和疲劳裂纹反射回波波形特点及其区别,针对企业标准中关于缺陷的评定要求提出修改意见。
Investigate the causes ultrasonic testing is DF4B locomotive axle wheel seat inside a variety of tooth endecho, analyze gaps assembly, assembly stress and fatigue crack echo waveform characteristics anf differences,raised the standard for enterprise requirements for defect assessment changes opinion.
出处
《铁道技术监督》
2014年第4期26-29,共4页
Railway Quality Control
关键词
内燃机车
车轴
超声波探伤
波形分析
Locomotives
Axle
Ultrasonic Flaw Detection
Waveform Analysis
