货车轮对轴颈卸荷槽超声波探伤问题分析  

Analysis of the Supersonic Flaw Detection on the Relief Grooves in Axle Journals of Freight Car Wheelsets

作　　者：皮凤石[1] 邓立[1] 范文明[1] 

机构地区：[1]太原铁路局湖东车辆段秦皇岛车间,河北秦皇岛066000

出　　处：《铁道车辆》2007年第5期39-41,共3页Rolling Stock

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.

关 键 词：货车 轮对 卸荷槽 超声波探伤 问题 分析 

分 类 号：U270.7[机械工程—车辆工程]