The adjustment method of crankshaft deflection is improved by the means of FEM, in which the infection of gravity and deformation of crankshaft, crankpin and crank web are included.

• 摘要在考虑曲轴主轴颈、曲柄臂和连杆轴颈的变形以及重力对臂距差影响的基础上，利用有限元分析工具，改进了传统的利用测量臂距差调整曲轴中心轴线的方法。