摘要
通过理化试验,得出凸轮轴断口属扭转疲劳断口。键槽底部R较小,造成应力集中,是断裂的原因之一。
Through physical and chemical experiments, it is obtained that the break of the cam shaft is a torsional fatigue break. The R of the bottom of the keyway is smaller and this results in a stress concentration. This is one of the reasons of fracture.
出处
《物理测试》
CAS
2000年第4期36-38,共3页
Physics Examination and Testing
关键词
凸轮轴
扭转疲劳
应力集中
断口分析
油泵
cam shaft, torsional fatigue, stress concentration, fracture
