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GeorgB

Strange Loops of the filament

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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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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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