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Unresolved Pla warping before extruder head

Discussion in 'Troubleshooting' started by Robots in Disguise, May 20, 2015.

  1. Robots in Disguise

    Robots in Disguise Member

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    I place the pla into the print head and a small amount extrudes initially when I put it inside the slot . Then when I go to use the gear to extrude it through it does not push any more through . It then begins to melt up above the extruder . Not sure how it is doing this but heres a picture . [​IMG]
     
    #1 Robots in Disguise, May 20, 2015
  2. mark tomlinson

    mark tomlinson ༼ つ ◕_ ◕ ༽つ
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    Is the fan on the extruder working?
    It must be or you will get what is called 'heat creep' where the heat is moving up out of the melt zone and that will certainly cause you issues.
     
    #2 mark tomlinson, May 21, 2015
    jbigler1986 likes this.
  3. Robots in Disguise

    Robots in Disguise Member

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    Nailed it , fan was plugged with some abs around the fan shaft
     
    #3 Robots in Disguise, May 21, 2015
    mark tomlinson likes this.
  4. mark tomlinson

    mark tomlinson ༼ つ ◕_ ◕ ༽つ
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    The small all-metal units (like the hex and E3D just can't tolerate not having that fan... The melt zone is too close (that is how you keep the size down). Good job.
     
    #4 mark tomlinson, May 21, 2015

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