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Unresolved Tops of prints full of holes, look incomplete

Discussion in 'Troubleshooting' started by Guy Henry, Jan 9, 2015.

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  1. Guy Henry

    Guy Henry New Member

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    #1 Guy Henry, Jan 9, 2015
  2. mark tomlinson

    mark tomlinson ༼ つ ◕_ ◕ ༽つ
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    Try increasing the # of top/bottom layers. Depending on the slicer settings this could be as few as 2 or 3, try at least 5.
     
    #2 mark tomlinson, Jan 9, 2015
  3. Mike Kelly

    Mike Kelly Volunteer

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    Make sure your cooling fan is working as well. I believe that's a symptom of being too hot, what temperatures are your printing at?
     
    #3 Mike Kelly, Jan 9, 2015
  4. Ben R

    Ben R Active Member

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    I have that problem with a roll of cheap abs I bought. It just won't bridge with 1000 layers on top. I can punch up the extrusion for the last layers if I'm around... but I've just stopped using it.
    Other brands with the same settings print perfectly.
    I use 5 and 8 for bottom and top for .1 layer.
     
    #4 Ben R, Jan 10, 2015
  5. Mike Kelly

    Mike Kelly Volunteer

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    Try different temperatures
     
    #5 Mike Kelly, Jan 10, 2015
  6. mark tomlinson

    mark tomlinson ༼ つ ◕_ ◕ ༽つ
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    I concur with Mike, if the spool itself seems to be misbehaving it is likely just not at the best temperature.
    Even spools I bought from the same vendor on the same day would vary around what was the optimum temperature.
     
    #6 mark tomlinson, Jan 10, 2015
  7. lars-atx

    lars-atx New Member

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    I'm new and these guys have way more experience than I do, but have you checked your Y axis belt tension? I was having poor top and bottom layer consistency and tightening up the Y axis seemed to solve both issues.
     
    #7 lars-atx, Jan 10, 2015
  8. Mike Kelly

    Mike Kelly Volunteer

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    Not really a symptom of a loose belt. His print looks consistent, just some filament/temperature issues
     
    #8 Mike Kelly, Jan 10, 2015
  9. mark tomlinson

    mark tomlinson ༼ つ ◕_ ◕ ༽つ
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    Yea, suspect a loose belt when you see overshoot on the edges, this ... temperature related for sure.
    If I were to take a S.W.A.G. I start with it being too hot. That can really affect the bridging. You might just have a roll that likes 'colder' better.
     
    #9 mark tomlinson, Jan 10, 2015
  10. Ben R

    Ben R Active Member

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    Ok ... SWAG... S=somewhat?
     
    #10 Ben R, Jan 10, 2015
  11. mark tomlinson

    mark tomlinson ༼ つ ◕_ ◕ ༽つ
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    Scientific Wild-Assed Guess.
     
    #11 mark tomlinson, Jan 10, 2015
    2 people like this.
  12. Mike Glass

    Mike Glass Active Member

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    I would use 12 layers at .1, really depends on temp and infill also.
     
    #12 Mike Glass, Jan 10, 2015
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