The gcode looks a little rough.
I don't like the lower case 'i' in there and there seems to be zero occurance of G02 XYIJ or G03 XYIJ format commands, and some entries with 5 to 9 decimal place accuracy.
I would try a simple circle on the origin for a test of the machine and see how it looked.
Although it could be backlash settings, this would typically involve a bit of a dogleg jiggle at each reversal as the tool crosses a quadrant line. I don't see that in your pictorial depiction of the results.
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(Note: The opinions expressed in this post are my own and are not necessarily those of CNCzone and its management) |