3DPrinting

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Trouble with warping (feddit.dk)

submitted 2 days ago* (last edited 2 days ago) by Grippler@feddit.dk to c/3dprinting@lemmy.world

18 comments fedilink hide all child comments

I have some very consistent issues with warping when printing ASA/ABS, which is really annoying since I'm trying to print my voron parts. It's not warping massively, but enough to mess things up.

I print with these general settings, on a textured PEI flex-plate.

heated chamber @ 45-47C (can't go much higher)
bed temp @105C
first layer 255C, other layers 245C
fan off, unless it's an overhang >=50% or layer time is <10s. Fan maxes out @70% unless bridging.
speed 200/120 mm/s inner/outer walls
first layer 50mm/s, 80mm/s infill

I've tried both with my regular Z-offset which creates a good uniform first layer, and slightly lower to kind of push it more on to the plate (but worse looking)

I've cleaned the plate with pure IPA
I've tried glue stick
I've tried brim both skirts/mouse ears, which help but don't eliminate it. (5mm, 0.15mm space)

ABS seems to be a little easier to print than the ASA. I'm using filament from Polymaker

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[–] empireOfLove2@lemmy.dbzer0.com 2 points 2 days ago

Yeah, it's counterintuitive but too high of a bed temp can cause less adhesion as it makes the first layer plastic underneath too soft. 95 to 100 should be all you need, unless you verify with an external thermocouple that your bed surface runs too cold vs the printer's thermistor.