Why the circle drawed by "G2 X390 Y-280 I5 J0" not round?

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5 years 6 days ago #224240 by PCW
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find Xpos_fb's waveform lags Xpos's waveform 50ms, but y axis hasn't it, what's the reason of this problem generally?.

As I said before, the most likely cause of the ~50 ms delay and waveform distortion is the X drive drive tuning or setup, that is, the Y axis drive is closely following LinuxCNCs commanded position, the X drive axis is not.

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