Five-axis NC machine tool with small pendulum Angle table can not carry out continuous cutting of the part of centrifugal turbine because of the structure of machine tool.
由于工作台摆动角度受机床结构的限制，小摆角五坐标数控机床不能直接进行离心叶轮的连续加工。
2
Computer is used as digital controller in control system of three-freedom degree digital machine arm based on BP algorithm, and potentiometer measures position of hoist and up-down pendulum Angle.
基于BP算法的三自由度数字式机械臂系统控制用计算机作数字控制器，电位计测量车位置、上下摆角度。
3
The machine is halted to load the pendulum wheel with workpieces.