21450[turbocnc] coordinates drift !
- Nov 27, 2013RolandAlso check the polarity of your Step pulse and what the drive requires. If it is of the 'wrong' polarity, you will be getting a step while a direction change is happening which will cause a jump.On 27 November 2013 03:35, Art Eckstein <art.eckstein@...> wrote:
Fantastic, glad you found the problem! I have seen where some people
put a "damper" on the end of the stepper shaft to help minimize this
problem. Don't know what drivers your using, but microstepping will
also help with this problem
At 08:31 PM 11/26/2013, you wrote:
>Problem found !!!
><< Step motor resonance >>
>if I hit a certain step frequency or pass slowly through it the step motor
>hiccups !!! The arcs just made those frequencies to show up more frequently.
>The XY table is very light and move with extremely low torque so step
>essentially unloaded which makes it worst.
>Now lets go find a solution...
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