英语翻译The next reference position can be obtained by substituting the determined uk+1 value into Eq.(1),which provides a constant feedrate machining.The real-time interpolating accuracy depends on the machining feedrate,system sampling time,and

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英语翻译The next reference position can be obtained by substituting the determined uk+1 value into Eq.(1),which provides a constant feedrate machining.The real-time interpolating accuracy depends on the machining feedrate,system sampling time,and
英语翻译
The next reference position can be obtained by substituting the determined uk+1 value into Eq.(1),which provides a constant feedrate machining.The real-time interpolating accuracy depends on the machining feedrate,system sampling time,and the part curvature radius.The error between the desired curve and the interpolated trajectory is the contour error,which represents the interpolation accuracy.Fig.6 shows the contour error caused by the interpolating result.The federate error and the contour error analyses will be described in the next section.
The above derivation calculates the trajectory on the part surface,which is the cutter contact (CC) trajectory or path.In 3-D surface machining,ball-end cutters are usually utilised.Therefore,the actual tool path or tool position is an offset of the CC path by a distance equal to the cutter radius with the orientation of the surface normal.Therefore,the tool position can be calculated using,

英语翻译The next reference position can be obtained by substituting the determined uk+1 value into Eq.(1),which provides a constant feedrate machining.The real-time interpolating accuracy depends on the machining feedrate,system sampling time,and
下一个参考位置可以通过逐渐取代英国+ 1值,在确定Eq.(1),它提供了一个恒切削加工.实时插值精度取决于加工刀具、系统采样时间、曲率半径的一部分.预期之间的误差曲线插补的轮廓误差轨迹,体现了插补精度.图6显示插值轮廓造成的误差结果.开头的误差和轮廓误差分析将在下一章节中描述.
上述推导计算轨道在部分上,刀具接触(CC)轨迹或路径.在三维表面加工,ball-end通常使用刀具.因此,实际的工具路径或工具的位置是一个偏移CC的路径距离等于刀具半径与表面的方向正常.因此,可以计算工具的位置,

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