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
That is spot-on what works for me. Warm soapy water has given me the best results with a PEI plate. The chamber heat soak is also big for these troublesome filaments. My printing gear lives in a closet and for trouble prints, I will crank up the bed, and my filament dryer for a half-hour or so to get reliable chamber temps.