infill sticking up

What’s wrong with my printer/filament/settings? First layer comes up perfectly, but I have speed limited to 50mm/s for it. Speed is set to 120mm/s on the rest. I know this filament doesn’t support high speeds (Sunlu PETG, terrible choice) but is it really this causing this problem?
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20 Replies
ptegler
ptegler2y ago
infill extrusion % is too low. Not enough flow for the speed. The extruded filament is breaking and curling
rival-black
rival-black2y ago
usually i have this happen when i am exeeding the max flowrate of my hotend
ambitious-aqua
ambitious-aqua2y ago
@ptegler ran the filament flow calibration around my current rate
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rival-black
rival-black2y ago
if you go to your slicer, and change the view type to flow, you can see if the infill is just significantly much higher than the rest, that would be a smoking gun as to why
ambitious-aqua
ambitious-aqua2y ago
@nordern I see that, but what am I looking at here?
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ambitious-aqua
ambitious-aqua2y ago
(and why is this, what should I tune?) per @ptegler ‘s suggestion and the calibration I ran, I’ve set the extrusion multiplier to 1.2
rival-black
rival-black2y ago
your infill and perimeter walls are at 11.140mm3/s i assume your walls are OK, so the problem is mostly only the infill, and i have a theory with that, which is with Gyroid & Cubic infill, since the previous layer isn't entirely supporting the next one it can detach easier, when i tested and changed to some other infill patterns the problem went away, but also when i changed the "width" of infill to 140% alternatively, you can lower the printing speed of infill aswell
rival-black
rival-black2y ago
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rival-black
rival-black2y ago
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ambitious-aqua
ambitious-aqua2y ago
awesome, thanks for helping!
ambitious-aqua
ambitious-aqua2y ago
oh wow with 1.2 extrusion multiplier I get a perfect first layer but check what it started doing mid-2nd layer
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ambitious-aqua
ambitious-aqua2y ago
am I dealing with wet filament here? I opened it two days ago
ambitious-aqua
ambitious-aqua2y ago
and it just stopped doing it mid layer
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ambitious-aqua
ambitious-aqua2y ago
okay extrusion to 1.10 and now it’s smooth, let’s see the infill
ambitious-aqua
ambitious-aqua2y ago
okay 2nd layer infill is going back wrong
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rival-black
rival-black2y ago
what i suggest is you leave the EM on 1.0 or whatever works for the layers and walls, then set the "width" on infill only up
ambitious-aqua
ambitious-aqua2y ago
I’m rolling back the extrusion modifier, and either selecting another infill patter or changing the width yup, I’ll try that
rival-black
rival-black2y ago
it should then push more filament through when it's doing infill, with the added bonus that it might to less infill lines to achieve the same amount of "infill %"
ambitious-aqua
ambitious-aqua2y ago
I must leave now but I'll tell you later how it goes
ambitious-aqua
ambitious-aqua2y ago
infill width 140% has improved a lot, yet I still see some lack of adherence
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