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Big, High Rez print

Discussion in 'Off Topic' started by Wesley Knapp, Feb 26, 2019.

  1. Wesley Knapp

    Wesley Knapp Member

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    I'm on hour 26 of a 36 hour print. The object looks incredible! But man, I'm nervous as hell about the next 10 hours. Please don't fail me now baby (nor the power company).

    Sent via PixelXL3 using Tapatalk.
     
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  2. Geof

    Geof Volunteer Moderator
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    :D dont worry about the last 10 hours...its the last hour thats the killer ;) lol. I routinely run large prints on my big printer that run for 4-5 days (or more). The stress goes away after awhile :p
     
  3. Wesley Knapp

    Wesley Knapp Member

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    Apparently, acknowledging your fear is a temptation to Mr Roboto. The print failed shortly after I went to sleep.

    Today I'll be trying to figure out how I can print the areas that didn't print. I have to salvage this.

    It appears that the reason for failure is a + 8mm layer Y shift on each new layer.

    I need to bring in a block of wood to knock on.

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  4. mark tomlinson

    mark tomlinson ༼ つ ◕_ ◕ ༽つ
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    GT2 belt = 2mm tooth profile so that is a pretty big skip/slip
    With the Y make sure nothing under the bed is getting tangled.
    Stock they have poor cable management
     
  5. Wesley Knapp

    Wesley Knapp Member

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    Last issue a week ago with layer shift was the stepper driver. I checked all of the belts and cables then. I'm guessing another driver. I'm just going to replace all remaining this time. This fail wasted too much time & filament to take another chance. It looks like salvaging it is very possible with some work in F360 isolating the unprinted/failed sections.

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  6. mark tomlinson

    mark tomlinson ༼ つ ◕_ ◕ ༽つ
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    Yea, not a bad call given how cheap those are.
     
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  7. Wesley Knapp

    Wesley Knapp Member

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    Failed shortly after this pic.[​IMG]

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  8. mark tomlinson

    mark tomlinson ༼ つ ◕_ ◕ ༽つ
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    well, on the plus side, the parts that printed look sharp :)
     
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  9. Wesley Knapp

    Wesley Knapp Member

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    I know! Very impressive, hence my apprehension.

    Sent via PixelXL3 using Tapatalk.
     
  10. BrooklynBay

    BrooklynBay Active Member

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    I've noticed that the shifting issue with the Y axis depends upon the slicing engine being used. To test this, try another slicer then see if the layers are shifted at the same layers on the same object being printed. I've seen layers shift at the same point while using one slicer, and shift at another point with another slicer. Tightening the belt & pulleys didn't show any noticeable change.
     

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