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Posted (edited) · Failed Print

Hi Guys,

At random our ultimaker 2+ has been failing prints. Could you please let me know if anyone has seen this before and what we can try to stop it.

Material is HD Glass

http://www.formfutura.com/hdglass/

Thanks

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Just another failure we have also had was in the infill zone.

Outer shell is perfect but infill / support is tragic.

5a3325842535a_E0839E029A68992D01DBFA9AB594B7260F6BE5038CAE5EB5C6pimgpsh_fullsize_distr.thumb.jpg.1085b356bb5b7d4fd4bd45b9b0ff4985.jpg

Close up of area.

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5a3325839d29c_541F0226BCD1637091F907E786C39130EF5732ED2D6EBEC9D3pimgpsh_fullsize_distr.thumb.jpg.c1b1d64a0270926ab89af8d977b94116.jpg

5a332583dbe64_9AD25A06A975E018D34137FE3153F3D3E84456155C945F6F7Apimgpsh_fullsize_distr.thumb.jpg.cfbbc308009229bd8741332d5f7bb948.jpg

5a3325842535a_E0839E029A68992D01DBFA9AB594B7260F6BE5038CAE5EB5C6pimgpsh_fullsize_distr.thumb.jpg.1085b356bb5b7d4fd4bd45b9b0ff4985.jpg

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Edited by Guest
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    Posted (edited) · Failed Print

    It looks like the z-platform doesn't lower correctly at those times causing under extrusion.

    Is the height where these happen the same in all prints ?

    you could clean the leadscrew and reapply some grease

    Edited by Guest
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    Posted · Failed Print

     

    Hi,

    No its happening at random points in 3 different print parts

     

    That's one of the things that can happen if what @xeno proposes is the problem.

    Also what's the room temperature?

     

    Printer has an enclosed top and door, maintains around 30C inside the build volume.

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    Posted · Failed Print

     

     

    Hi,

    No its happening at random points in 3 different print parts

     

    That's one of the things that can happen if what @xeno proposes is the problem.

    Also what's the room temperature?

     

    Printer has an enclosed top and door, maintains around 30C inside the build volume.

     

    What's the temperature below the printer? I would try to remove the white plastic cover of the board so it gets more ventilation, since the stepper chips might overheat on that ambient temps and produce skips on the movements.

    If you don't want to mess with the plastic cover just add a fan below the printer to keep the board from overheat.

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