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21448Re: [turbocnc] coordinates drift !

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  • Art Eckstein
    Nov 26, 2013
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      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


      art
      Country Bubba

      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
      >motors are
      >essentially unloaded which makes it worst.
      >
      >Now lets go find a solution...
      >
      >Luis Cupido.
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