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Rotary axis jumbled

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Laser
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2023-11-16

I have an atomstack A20 with an R3 rotary. The R3 rotary plugs in place of the Y axis.
I have an SVG that cuts perfectly fine on a flat plane, but when I swap the Y axis for the rotary (using the same gcode, not using any rotary feature in lightburn) it gets garbled in the X axis. I have no clue what is going on.

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    • Miller

      2023-11-17
      Looks to me like the rotary is just slipping.
A few contributing factors:
1. Looks like this is being done in line mode. That will require your rotary to turn back and forth which will be hard to do without slip
2. Seems like the cylinder is not retaining position along the long axis when rotating back and forth
3. Your speed/acceleration settings may be too high for your equipment with this operation
I’d suggest moving to a horizontal scanning/fill operation making sure that the rotary only ever moves in one direction.
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