3DPrinting

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3DPrinting is a place where makers of all skill levels and walks of life can learn about and discuss 3D printing and development of 3D printed parts and devices.

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Trouble with warping (feddit.dk)

submitted 1 day ago* (last edited 1 day ago) by [email protected] to c/[email protected]

17 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 3 hours ago

I had an issue I caught early when I swapped my prusa from a Rambo to an skr mini, used the same power wires which didn't have ferrules, I got "lucky" that the power supply shut itself down, one wire had worked itself a bit loose, enough to potentially arc.

I've replaced everything with new 14 awg wire with solid ferrules and I inspect semi regularly, I trust my crimps here but I don't mess around with potential fire hazards. I think there's a tendency to think, oh it's low voltage, it's fine, but there's a lot of energy going through those wires, treat it with the same respect you would mains power. Take your time, double check everything, and invest in good crimping tools.