【摘要】 本文针对柴油机气门的三种典型失效模式,分别对气门杆锁夹凹槽崩断和气门杆颈部断裂两种失效形式进行理论应力分析,还对气门盘利用ANSYS软件进行耦合应力分析,指出气门可靠性设计的评判依据,对柴油机气门可靠性设计有一定的参考价值。更多还原

【Abstract】 The circle analyzes three kind of typical losing-efficacy modes about valve,which include fracture at groove of valve pole,breaking at neck and head of valve pole.It analyzes the two former modes in theory and the latter by ANSYS software,point out the well-judged evidences of reliability in design about valve.It have reference at some extent to reliability in design about valve of diesel.更多还原