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Circular Interpolation Principle

Oct 18, 2019

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Deviation calculation formula

 

If Fi=0, it indicates that the machining point M is on the arc; if Fi>0, it indicates that the machining point M is outside the arc; if Fi<0, it indicates that the machining point M is in the arc.

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When Fi≥0, the M point is on the outer side or the circle of the circle. For the inverse circle of the first quadrant, in order to approach the arc, one step should be advanced in the -X direction to reach the Mi+1 point, and the Mi+1 point is opposite to the center of the circle. The coordinates of the O' point are:

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