The pose errors of the 3-RRR NC swivel worktable is predicted using a statistical method for a given grade of machining accuracy.

• 研究3-RRR数控回转台的精度分析问题。利用空间矢量链分析法构造零部件制造误差与动角台位姿误差的映射关系，建立相应的精度分析概率模型；