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首页> 外文期刊>International Journal of Mechatronics and Manufacturing Systems >Control method of tool axis vector based on kinematics characteristics for five-axis NC machining
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Control method of tool axis vector based on kinematics characteristics for five-axis NC machining

机译：基于运动学特性的五轴数控加工刀具轴矢量控制方法

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摘要

The complexity of tool path in the machining of complex curved surface is often accompanied by the large change of tool axis vector and the large change of tool axis vector can cause larger machining error and is easily beyond the restrictions of angular velocity and angular acceleration for the rotation angle of swing head or turntable of machine tool under a constant feed speed. The optimisation of the planning for the tool axis vector is very important based on the kinematics characteristics. The control method of tool axis vector based on the kinematics characteristics for five-axis NC machining of complex curved surface is studied. Experimental results show that the planning of tool axis vector based on the kinematics characteristics for five-axis NC machining can guarantee the smooth movement of the rotation axis and the machining process for complex curved surface can be more stable and reliable.
机译：在加工复杂曲面时，刀具路径的复杂性通常伴随着刀具轴矢量的大变化，而刀具轴矢量的大变化会引起较大的加工误差，并且很容易超出角速度和角加速度的限制。恒定进给速度下机床回转头或转盘的旋转角度。基于运动学特性，优化刀具轴矢量的计划非常重要。研究了基于运动学特性的刀具轴矢量控制方法，用于复杂曲面五轴数控加工。实验结果表明，基于运动学特征的五轴数控加工刀具轴矢量的规划可以保证旋转轴的平滑运动，复杂曲面的加工过程更加稳定可靠。

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