基于有限元分析的空压机曲轴弯曲疲劳试验  

Bending fatigue test for crankshaft of air compression machine based on FEA

作　　者：孙占刚[1] 左瑞华 张澎湃[3] 刘慕双[1] 翟亚兵[1] 

机构地区：[1]承德石油高等专科学校,承德067000 [2]承德技师学院,承德067400 [3]中国北车集团四方车辆研究所,青岛266031

出　　处：《机械设计与制造》2007年第4期73-75,共3页Machinery Design & Manufacture

摘　　要：采用电动谐振法对空压机曲轴进行疲劳试验。首先,介绍了疲劳试验机的工作原理。然后,采用简化的有限元模型,利用ANSYS软件对谐振器进行模态分析。在此基础上,以预定的固有频率为追求目标,在ANSYS软件中对谐振器的主要参数进行了优化,得出了音叉臂的几何尺寸。最后,在载荷标定过程中引入有限元的分析结果作为确定最大应力部位的依据,采用“静标动测”法对试验机进行标定。Electrical resonant method is used in crankshaft fatigue testing of an air compression machine. First, the working principle of a fatigue tester is described. Next, based on the simplified finite element model, with the help of FEM software ANSYS, modal analysis of the resonator is carried out, Aimed at the preconcerted natural frequency, an optimization method is used to design the main parameters of the resonator, the geometry dimensions of arms obtained. Finally, the result of finite element analysis is used to determine the area of maximum stress during load calibration, the method of ＂Calibrating Statically while Using dynamically＂ is adopted to calibrate the tester.

关 键 词：空压机 曲轴 模态分析 优化设计 FEA 

分 类 号：O241.8[理学—计算数学] TH133.2[理学—数学]