HXD_(3)型机车车轴轮座产生裂纹原因分析及措施  

RootCause Analysis and Solutions for Axle-wheel-seat Cracking Problem of HXD_(3) Locomotive

作　　者：刘宪[1] 刘舒宁 安萍 LIU Xian;LIU Shuning;AN Ping(Daqin Railway Co.,Ltd.,Hudong Electric Locomotive Depot,Datong 037300 Shanxi,China;Tianjin University of Commerce,School of Information Engineering,Tianjin 300134,China;Beijing Locomotive Depot,Beijing 100022,China)

机构地区：[1]大秦铁路股份有限公司湖东电力机务段,山西大同037300 [2]天津商业大学信息工程学院,天津300134 [3]北京机务段,北京100022

出　　处：《铁道机车车辆》2021年第2期110-115,共6页Railway Locomotive & Car

摘　　要：针对HXD_(3)型电力机车车轴在检修过程中发生早期疲劳裂纹,通过对车轴设计、加工工艺进行调研和分析,简要分析车轴产生疲劳裂纹的原因,提出了解决措施,完善了探伤方法,确保机车车轴质量。Aiming at the early fatigue cracks of the axle for HXD_(3) electric locomotive during the maintenance process,through the investigation and analysis of the axle design and processing technology,the causes of the fatigue cracks in the axle were briefly analyzed,and the solutions were proposed,and the flaw detection methods were improved to ensure the quality of the axle.

关 键 词：HXD_(3)型电力机车 车轴轮座裂纹 探伤 措施 

分 类 号：U264[机械工程—车辆工程]