Humpty
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Posts posted by Humpty
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The fan is used when doing bridges I have edited the profile to have 10% fan speed but have not tested it yet.
I am using Anycubic Mega-S and Cura 4 Beta. I've been printing at 250 degrees as the filament roll says 245-265, bed temp is 110. No issues with first layer adhesion.
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Hey everyone. I'm fairly new to 3D Printing adn have been loving it so far. Started with PLA and everything has went well so I decide to give ABS a try.
ABS is not going so well. The print quality is turning out very poor, especially with overhangs. I did a retraction test and got that sorted out, no stringing. I also ran a bridge test and it turned out near perfect. But some bridges on this recnt test I ran did not fair so well. All ABS prints the overhang is bad. I have an enclosure and have tried a bunch of different temps. I run a slow speed of 40mm/s. I need some advice on other things to test out to improve this print quality. I've attached a few pics so you can see whats going on.
Any suggestions?
Poor ABS Print Quality
in Improve your 3D prints
Posted
OK so i tried a couple of the over hang tests. With the fan at 10 it was trying to move but just twitching. When i set it to 20 it was working, man what a difference, got higher with the angles before they started getting worse and the front was just cleaner and nicer looking. Overall the 20% made a huge difference.
I did the overhang test at 230 and 30% fan. looked good, but when i tried a normal print it wasn't hot enough and it ended up failing because the layers werent sticking together. Im going to try a rpint at 250 and 20%/
Anyways thanks so much for the advice, you clearly know what you are doing. You've been a big help. Any other ABS advice you could give me that would save me hours of googling? lol