摘要
对3起货车RD2轮对轴颈卸荷槽冷切事故进行了分析,指出了目前轴颈卸荷槽超声波探伤中存在的问题,并提出了改进建议。
The three cold cut accidents in the relief grooves in axle journals of RD_2 freight car wheelsets are analyzed.The problems existing in the supersonic flaw detection on the relief grooves in axle journals at present are pointed out.And suggestions for improvement are given.
出处
《铁道车辆》
北大核心
2007年第5期39-41,共3页
Rolling Stock
关键词
货车
轮对
卸荷槽
超声波探伤
问题
分析
freight car
wheelset
relief groove
supersonic flaw detection
problem
analysis
