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Re: [taigtools] Do your steppers hiss?

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  • Lester Caine
    ... Yep ... it can be annoying at times, but with the spindle going, then that swamps any other noise ;) It can also be louder if stopped at a quarter step
    Message 1 of 4 , May 31, 2010
      Dubious Beans wrote:
      >> The Sherline FAQ says: "Note also that when stepper motors are
      >> >powered up but not yet running they do tend to make a slight buzzing
      >> >or hissing noise. This is normal." I know servos "sing" but I
      >> >thought steppers were supposed to be quiet when idle? Does anyone
      >> >else have stepper motors that hiss?

      > There's little snakes in there, and they hiss.
      > It's the Geckos limiting the motor current, and it makes the windings
      > sing a little. Mine do it too.

      Yep ... it can be annoying at times, but with the spindle going, then that
      swamps any other noise ;) It can also be louder if stopped at a quarter step
      point. Single pulse stepping the motor will 'modulate' the 'hiss' which goes
      away at a full step point.

      --
      Lester Caine - G8HFL
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