Trouble Removing ABS Print

Help with printing with specific plastic filaments.
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saildude
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Location: Puget Sound
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Trouble Removing ABS Print

Post by saildude » Sat May 25, 2019 6:46 pm

Printed a double size Roctopus with Chroma Strand ABS and had a very tough time removing the print. Yes I had let the print surface cool down to 50 C - used a flat stiff putty knife and small tapping hammer to lift the print. But was super tough to remove. Toward the end I turned the machine all the way off and let things cool down a bit more

Any suggestions? Was really afraid of damaging something.

Thanks much

JoeBowler300
Posts: 80
Joined: Thu Apr 28, 2016 12:20 am

Re: Trouble Removing ABS Print

Post by JoeBowler300 » Sun May 26, 2019 12:00 am

Gotta use a glue stick as a release agent for ABS. When stuck try spraying with a mixture of water and alcohol.

saildude
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Location: Puget Sound
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Re: Trouble Removing ABS Print

Post by saildude » Sun May 26, 2019 12:54 pm

thanks, I will try that next time, but in my defense I did look at the Lulzbot Filament guidelines in several places and don't remember any mention of glue stick

Thanks much for the quick reply

kcchen_00
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Joined: Thu Feb 19, 2015 12:42 am

Re: Trouble Removing ABS Print

Post by kcchen_00 » Sun May 26, 2019 9:23 pm

Isopropyl alcohol will help release the ABS from the PEI.

Clean the nozzle, discs and wiper pad. It sounds like the auto level is off. Is the first layer of the print wider than than the rest?

You really don't need anything on the PEI to print ABS. Just get the initial nozzle height correct. The point of PEI was to avoid any treatments (hairspray, abs juice, glue stick). Well, I take that back... for certain filaments glue stick is recommended, but not the typical PLA, PETG, ABS.

JoeBowler300
Posts: 80
Joined: Thu Apr 28, 2016 12:20 am

Re: Trouble Removing ABS Print

Post by JoeBowler300 » Sun May 26, 2019 11:23 pm

Ahhh yes, I apologize! I was thinking of the ninjaflex filament, you’ll want to use a glue stick when printing with that filament.

saildude
Posts: 19
Joined: Mon Mar 04, 2019 12:07 am
Location: Puget Sound
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Re: Trouble Removing ABS Print

Post by saildude » Mon May 27, 2019 1:24 am

Thanks everyone-

As a beginner and someone that does not have a group of 3D printing folks that I know, my learning curve has been a bit challenged at times and I stick real close to the Lulzbot guidelines, I really like the pick the filament and the rest is done for me including picking the speed of the printing.

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