Gaps Between Infill and Outline

Converting meshes to GCode; recipe sharing.

Gaps Between Infill and Outline

Postby cgriffin » Wed Dec 14, 2016 9:48 pm

I am using Simplify 3d, and have some questions related to their Support article, Gaps Between Infill and Outline. I'm trying to do a large part, and want to get it right.
https://www.simplify3d.com/support/prin ... nd-outline

  • Why would the infill touch the outer outline, but not the center, as in the Support Article photo?
    https://www.simplify3d.com/wp-content/u ... utline.jpg
    Is the gcode generated without centering the infill in the area, or is the Hyrel forcing it asymmetrical?
  • Why am I seeing this more drastic with short moves than with long moves? In my print, where the inner and outer perimeters are about 5mm, the gap is very bad so there is almost no bond, but at 6mm, the bond is about 50%. In both cases, the outer bonds are 100%.

edit: I forgot to add, this happened on the last layer, but also on the earlier layers. I think I first spotted it on layer 3 or 4.

Thanks!
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Re: Gaps Between Infill and Outline

Postby cgriffin » Thu Dec 15, 2016 10:29 pm

I think I have it figured out, but not sure. I'm dealing with this issue right now:
viewtopic.php?f=3&t=176&p=523&hilit=bearing#p523

The shaft was riding on one bearing, so the belt was very loose. That one bearing is bad now, so I've ordered a replacement.
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Re: Gaps Between Infill and Outline

Postby Davo » Tue Dec 20, 2016 5:45 pm

Change your infill-perimeter overlap. I use 15% for a 35% infill, and 5% on a 100% infill.

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Re: Gaps Between Infill and Outline

Postby cgriffin » Tue Dec 20, 2016 11:10 pm

I had it at 35% for solid, and still had the problem.

It turned out to be hardware:
viewtopic.php?f=3&t=176#p570
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Re: Gaps Between Infill and Outline

Postby Davo » Fri Dec 23, 2016 6:38 pm

Gotcha.
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