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BL A1 Textured PEI plate, print is warping. What to try first? (lemmy.world)

submitted 6 days ago by KingDingbat@lemmy.world to c/3dprinting@lemmy.world

9 comments fedilink hide all child comments

I have a BambuLabs A1 and a textured PEI plate. I'm using PETG filament

I'm printing my first larger footprint project and isn't going great after dozens of flawless smaller prints. The model curls up at the corners (warping) while it is printing.

I attempted to help by adding a raft and brim, but it still happened. The plate has been freshly cleaned too, so there shouldn't be oils. I don't enclose the printer because my garage's ambient temp is typically pretty hot, between 95-110 degrees this time of year and rarely fluctuates. I say this not really knowing what enclosing the printer might bring it up to inside. I just haven't had any problems that required it so far... so?

After reading up on the problem my first thought was to increase the temp of the print bed to help keep the layers from cooling too fast. I usually use BambuStudio's default settings for PETG. But what temp to set it to?

Also, considering adding adhesive to the plate, but not sure what would work well with the textured PEI plate.

Any thoughts to help me out? Thanks!

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[–] Aquila@sh.itjust.works 2 points 6 days ago (1 children)

Petg is really sensitive on bed adhesion. Make sure after cleaning the plate only touch the edges. If you touch anywhere in the middle that leaves enough oil to make bed adhesion an issue. I clean my plate with rubbing alcohol mix. And found out after many print failures -no touchy!

[–] morbidcactus@lemmy.ca 2 points 5 days ago

100% this, bed cleanliness is the first thing I'd look at for any adhesion issue. Dilute soap and water works well too, just pay attention to your surface, some don't like any solvents or water, just a wipe with micro fibre.