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Solved Y Axis moves over each layer (slope)

Discussion in 'Troubleshooting' started by Ocsff, May 11, 2015.

  1. Ocsff

    Ocsff Active Member

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    The Y axis on my machine moves over each layer causing a slope in the edge of the print. I had other issues with this printer and changed the adueno board to the new Alex version, new compete hot end, tried new filaments, new Smart xxl controller, added aux cooling fan to drivers board, , new power supply, updated matter control software. Now the Y axis issue. Any ideas???
     
    #1 Ocsff, May 11, 2015
  2. mark tomlinson

    mark tomlinson ༼ つ ◕_ ◕ ༽つ
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    Loose drive components.
    Loose belt, loose sprocket, loose pulley, loose drive cog.

    The usual suspects.
    Since it is Y only, look at all of these under the bed on the Y drive.

    P.S. very unlikely, but possible a stepper motor drive board could need adjustment, but I would go thrugh the obvious ones first.
     
    #2 mark tomlinson, May 11, 2015
  3. Ocsff

    Ocsff Active Member

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    Thanks for the quick response all componenets are tight. Driver moter output 3.5 vlts correct. It is a new board installed by Robo tech but ill check voltage anyway.
     
    #3 Ocsff, May 11, 2015
  4. mark tomlinson

    mark tomlinson ༼ つ ◕_ ◕ ༽つ
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    #4 mark tomlinson, May 11, 2015
  5. Ocsff

    Ocsff Active Member

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    I had two prints that were 6 hrs and they came out perfect. Them this issue. I printed a 25 mm calibration cube after the last failed print and the cube was perfect. I though corrupt g code from Cura so I printed on my other Robo and it printed fine. I am currently printing another thingiverse file and it looks good so far.
     
    #5 Ocsff, May 11, 2015
  6. Ocsff

    Ocsff Active Member

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    I couldnt get the video to play on utube but the directions are clear. My last print also came out good. Must have been a Grimlen. Thanks for your help you are a wealth of knowledge.
     
    #6 Ocsff, May 11, 2015
  7. Ocsff

    Ocsff Active Member

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    Ok ended up being a loose drive pulley. Since it was just a little loose. The momentum produced by small prints has almoat unnoticable movement in layers. Large prints moved 1/2" from start to finish. Tightened set screw 1/4turn and printing a large print. fingers crossed.
     
    #7 Ocsff, May 12, 2015
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  8. mark tomlinson

    mark tomlinson ༼ つ ◕_ ◕ ༽つ
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    Excellent and a good analysis. :)
    I ended up using loctite on every set screw. Every. stinkin' one.
     
    #8 mark tomlinson, May 12, 2015
  9. Ocsff

    Ocsff Active Member

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    Great idea on lock tight. Ill follow your lead on that. Test print came out good. Thanks again.
     
    #9 Ocsff, May 12, 2015
  10. Ocsff

    Ocsff Active Member

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    Ok one last question. How do I change this thread to resolved?
     
    #10 Ocsff, May 12, 2015

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