摘要
对DF11型机车柴油机活塞裙疲劳失效原因进行了分析,对其结构进行优化,提高疲劳强度,实践证明具有实效性,达到了研究目的。
The cause of piston skirt fatigue failure in DF_11 locomotive diesel engine was analyzed and the structure was optimized to improve the fatigue strength.The measures have been proved effective,which reaches the aim of the study.
出处
《铁道机车与动车》
2015年第10期21-24,共4页
Railway Locomotive and Motor Car
关键词
活塞裙
失效原因分析
结构优化
疲劳寿命评估
piston skirt
failure analysis
structural optimization
fatigue life assessment