SS_(3B)电力机车车轴轮座显微裂纹分析及对策  

Analysis and Countermeasure on Microscopical Crack on Axle Wheel-seat of SS_(3B) Electric Locomotive

作　　者：王守加 吕士勇 封全保 

机构地区：[1]铁道部驻大同电力机车厂验收室,山西大同037038 [2]中国北车大同电力机车有限公司技术中心,山西大同037038

出　　处：《铁道机车车辆》2004年第6期27-29,共3页Railway Locomotive & Car

摘　　要：进行了SS3B电力机车车轴的计算分析 ,结合微动疲劳理论分析了车轴轮座内侧产生显微疲劳裂纹的原因 ,提出了采用使车轴表层形成压应力和提高车轴强度的方法 ,提高SS3B电力机车车轴寿命的对策。Based on fatigue theory and computation on axle,the reason is analyzed that the axle wheel-seat occurs microscopical fatigue crack on SS3B electric locomotive.It is proposed that the axle fatigue durability can be improved by forming surface compressive stress and increasing strengthen intensity.

关 键 词：SS3B电力机车 疲劳寿命 对策 

分 类 号：TG370[金属学及工艺—金属压力加工]