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Unanswered Why is the layer print speed so low?

Discussion in 'Troubleshooting' started by Fzzz, Feb 12, 2016.

  1. Fzzz

    Fzzz New Member

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    I recently was trying to fix a z-axis calibration problem. Now that i solved that, I've noticed that although my layer speeds are set to around 60mm/s each, when i generate the layer view it shows that most of the layers will be printing at around 25mm/s. Help?
     

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    #1 Fzzz, Feb 12, 2016
  2. Fzzz

    Fzzz New Member

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    This is appears to only happen to some prints, because i decided to upload a spool holder and most of the layers appear to be at 60mm/s
     
    #2 Fzzz, Feb 12, 2016
  3. WheresWaldo

    WheresWaldo Volunteer ( ͠° ͟ʖ ͡°)
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    60 mm/s is straight line speed after acceleration and before deceleration. Since no printer can accelerate or decelerate instantly you rarely get to 60 mm/s on complex models. Every direction change, no matter how slight requires deceleration in the first direction followed by acceleration in the new direction.
     
    #3 WheresWaldo, Feb 12, 2016
  4. Fzzz

    Fzzz New Member

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    I assumed that it was due to the circular pattern. Although i'm surprised that it slowed down that much for most of the print.
     
    #4 Fzzz, Feb 12, 2016
  5. WheresWaldo

    WheresWaldo Volunteer ( ͠° ͟ʖ ͡°)
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    Since ARC is not implemented in Marlin there is no such thing as a circle, they are all polygons with straight sides.
     
    #5 WheresWaldo, Feb 13, 2016

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