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。
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。
Pendulum impact testing machine is on the metal material to resist the impact of dynamic load performance testing equipment.
摆锤式冲击试验机是对金属材料在动负荷下抵抗冲击性能进行检测的仪器。
Pendulum impact testing machine is on the metal material to resist the impact of dynamic load performance testing equipment.
摆锤式冲击试验机是对金属材料在动负荷下抵抗冲击性能进行检测的仪器。
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