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Difference in printing

Posted by DOYT 
Difference in printing
March 15, 2017 11:03AM
Hi. I just wondering why do I have such an ugly printing on the belly, on the bottom of this frog and why is so nice and smooth on the top? I m using an original e3dv6 full with qualitative pla filament. Print quality 0.1mm 60mm/sec print speed, printing temp 210/55, print fan cooling at 255. The quality on the bottom should be like it is on the top without supports. As slicer, I'm using cura 2.3.0. Opinions? Thanks!
open | download - rsz_2017-03-15_164224.jpg (224 KB)
open | download - rsz_2017-03-15_164257.jpg (187.6 KB)
open | download - rsz_2017-03-15_164407.jpg (97.3 KB)
Re: Difference in printing
March 15, 2017 11:05PM
Lower the temperature to max 195 and try again, also on small objects is best to print slow 40mm/sec max.
It might also help to increase the retraction distance, use random starting point and adjust overlap percentage.

Edited 1 time(s). Last edit at 03/15/2017 11:09PM by ggherbaz.
Re: Difference in printing
March 16, 2017 03:46AM
I have printed this part with 6.5 mm retraction distance, 45mm/s retraction speed 0% infill and printing speed 60mm/sec. I'll do the change and I'll post the differences. Thanks.
Re: Difference in printing
March 16, 2017 06:41AM
The belly is a nasty overhang - very difficult to print.
Re: Difference in printing
March 16, 2017 01:48PM
even with a prusa i3 mk2 original?
Re: Difference in printing
March 31, 2017 05:06PM
anything gets nasty, try printing lower microns and lower temps. you can also sand the bottom if you have the patience.
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