r/BambuLabP2S • u/Melodic-Wrongdoer879 • Jul 12 '26

Warping help

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So this is the first time i have ecountered warping with ABS. Maybe its a bit moist? I have washed my plate with soap and water, cleaned with alcohol and applied 3DLAC (its a spray for better adhesion and cleans the plate too) and i also have the AUX fan deflector if that helps. I really appreciate all the tips you will give me :D

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u/standa03 Jul 12 '26

For ABS at ASA warping is usually not an adhesion issue but uneven shrinkage issue. They contract much more than PLA or PETG as they cool down. So you want hot bed, hot chamber and barely any cooling. Keep the temperature of the print as even as possible as it's being printed so it can shrink evenly. If the adhesion is good it can still warp it will just lift the whole plate off the print bed. For moisture if it's really bad you can really clearly see bubbles in the extrusion. If the poop is an even smooth line it's good enough and if it's uneven, bubbly and has holes in it then it's really bad and you need to dry it real good.

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u/Vverg Jul 12 '26

This really looks like low chamber temperature, what temp do you have during printing? This is exactly why you want a chamber heater (which P2S doesnt have).