逐点比较插补法(point-by-point relative method) 基本原理:每走一步都要将加工点的瞬时坐标与规定的图形轨迹相比较判断一下偏差,然后决定下一步的走向,如果加工点走到图形外面...
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逐点比较法是轮廓插补算法之一,曾在数控机床中被广泛采用,但由于它存在不能实现两轴联动的缺点,限制了其应用。
Point-by-point Comparison interpolation is one method of the contour interpolation algorithms, ever used widely in CNC machine tools, but its being not to realize two-axis limits its application.
分析了全象限逐点比较法直线插补的算法,给出了插补流程图,并提供了部分VB程序代码,并给出了仿真实例。
The arithmetic of linear interpolation is analysed, the interpolation flow chart and part of the VB program codes are provided, and the simulation example is presented.
同时结合对实际加工中成形运动控制的分析,提出了采用3 B代码编程,利用逐点比较法插补原理的成形运动控制技术。
Through analyzing control of the shaped movements in processing, the control technology of the shaped movements, which adopted point-by-point interpolation via 3b code, was introduced.
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