3DPrinting

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Trouble with warping (feddit.dk)

submitted 2 weeks ago* (last edited 2 weeks ago) by [email protected] to c/3dprinting

14 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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[–] [email protected] 1 points 2 weeks ago (1 children)

May not help at all, but one thing I noticed with my prints was that if I removed it before the bed cooled, it would often warp. I've since left it until it cools to room temperature and have got much better results.

Does it warp and lift from the base plate during the print, or does it stay stuck down? The former could be because of lack of adhesive and a raft/brim/glue may help, but the latter may just be lifting it off too early.

[–] [email protected] 1 points 2 weeks ago

It warps during printing, raft/brim and glue doesn't fix it.