Analyzes the deviation genesis of centering the axis of hydraulic generator and water turbine, brings forward the coaxiality method, which works well in practical application.
对水轮发电机组转动部份发电机主轴与水轮机主轴偏差原因进行分析，提出找正方法，经实际应用效果良好。
2
An analysis is given to the effect of centering error of the mechanical mounting of the master ball in a digital measurement upon the radial motion polar plot of an axis of rotation.