Tiny layer shifts. Where to start?

Discussion in 'Getting Started' started by Nibbels, Aug 5, 2020.

  1. Nibbels

    Nibbels Well-Known Member

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    Good evening.

    I did not want to write much this evening. So I made a unlisted youtube video.
    The main problem is not the broken priming tower :D
    It is the tiny layer shifts. I guess I know that someone talked about such here but I cannot find the post.



    Who experiences/experienced the same (or worse)?
    Screenshot_18.jpg
    Can anyone share a possible fix that helped him?
    Where should I start to look for the cause of this?

    Thank you
     
  2. 1013D

    1013D Active Member

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    tighten the belts...this fixed many print anomalies.
    Also check to see if the motor belt pulleys are rubbing the side of the belt very hard. had this on one motor and it caused strange things.

    Other thing I did was add a washer to the tool changing spring on the shaft. this increased the holding power a little.
     
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  3. jschall

    jschall Member

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    Your bed screws might be too loose.
     
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  4. dc42

    dc42 Well-Known Member

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    if they are caused by skipped steps, the amount of shift will always be a multiple of 4 full steps.
     
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  5. Nibbels

    Nibbels Well-Known Member

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    Thank you so much for your replies!

    Ok, one problem is the bed! I did not see it, it would have been easy to check. Totally loose.

    2cm before finish my hemera tool dropped. ^^
    The bed was not the only cause. I will check the belts this evening. Maybe the docks are not aligned 100% perfect orelse the tool grabber / coupler is a problem again.
     

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