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Strange Loops of the filament


GeorgB
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Posted · Strange Loops of the filament

I have in the print such loops or bows of the filament.

ABS, 260°C, bed 90°C, speed 40mm/sec.

I changed speed, but my impression this is not changing.

I am using this filament in another machine with no problems like this.

Ultiproblem.thumb.jpg.295555aca59c9d8bf174aaf6b82801eb.jpg

Has anyone in an idea, what I could test?

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    Posted · Strange Loops of the filament

    The artifacts are not visible in the layer views.

    I preinted the model 3x times and the artifacts are always on the same position!

    So maybe it is in the generated code. The Model itself is clean.

    Shows Cura the real gcode?

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    Posted · Strange Loops of the filament

    I tried with Cura - it looks quite different.the stripes change postion with the speed. if you move the nozzle head (UM2, of course power off) do you feel any resistances? If I move the head, I feel not the same resistance over the movement.

    P1020316.thumb.JPG.fadaa36fcc6766fb5dad9d8fd9066482.JPG

    With Cura I have the issue that the perimeter goes sometimes outside the model. It is reproducable, it is always on the same points- but not visible in Cura.

    P1020321.thumb.JPG.b8375d9d8e4c07a701801dc4d0a7e336.JPGP1020322.thumb.JPG.2966ff39fae24793e09e392c23a44f88.JPG

    Any ideas ...??

    P1020316.thumb.JPG.fadaa36fcc6766fb5dad9d8fd9066482.JPG

    P1020321.thumb.JPG.b8375d9d8e4c07a701801dc4d0a7e336.JPG

    P1020322.thumb.JPG.2966ff39fae24793e09e392c23a44f88.JPG

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    Posted · Strange Loops of the filament

    can you see any issues under x-ray mode. (any red parts)

    you could try turning off fix horrible.

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    Posted · Strange Loops of the filament

    @Labern: thanks for your email.

    in x-ray mode all is blue, so no red elements

    I do not understand what you mean with: "you could try turning off fix horrible."??

    Can you help me?

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    Posted · Strange Loops of the filament

    In cura if you go to Expert settings then you will see fix horrible and a few check boxes. if the model is fine they can all be turned off

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    Posted · Strange Loops of the filament

    Now I understand, I use the german version. In the expert settings is a "automatic repair" with 4 check boxes. All are already turned off.

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