牵引电机转轴锻造裂纹缺陷分析  

Analysis of the Forging Crack Defects in Traction Motor Shafts

作　　者：成艳琪 鲍泉 何冲 CHENG Yanqi;BAO Quan;HE Chong(CRRC Zhuzhou Electric Co.,Ltd.,412001)

机构地区：[1]中车株洲电机有限公司,412001

出　　处：《电机技术》2025年第1期59-62,共4页Electrical Machinery Technology

摘　　要：通过对牵引电机转轴锻造过程中产生的缺陷部位进行宏观形貌、微观断口和化学成分等分析,确定了转轴裂纹产生的原因,并提出了改进建议,为后续牵引电机转轴的加工工艺优化提供了依据。The causes of cracks in the shafts of traction motors during the forging process are investigated by analyzing the macroscopic appearance,microscopic fracture surfaces and chemical composition of the defect areas,the causes of the shaft cracking are confirmed.Recommendations for process improvements are proposed,providing a basis for optimizing the manufacturing processes of traction motor shafts in the future.

关 键 词：牵引电机 转轴 锻造 裂纹分析 

分 类 号：TM305[电气工程—电机]