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Circular moves slows down as I increase print speed.

Posted by j0achim 
Circular moves slows down as I increase print speed.
March 08, 2018 05:08PM
Hello,

I'm getting some weird behavior, as I increase speed and acceleration arc moves become slower, I can counteract this by increasing jerk, however doing that angular moves e.g a 90 degree move becomes garbage.

Just as an example of what I am experiencing printing a circle 4mm at 30mm/s a complete circle takes the printer lets say 1 second to complete (fluid motion), when I increase print speed to 60mm/s same 4mm circle takes 2 second to complete, and 4 seconds at 120mm/s, and now printer does hundreds of start/stops (stuttering). (numbers are not accurate by any means but given as example)

I have not observed this behavior from simple angular moves where printer only has a few commands change direction.
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