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sander44

Jump in print UMO+

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Posted · Jump in print UMO+

He there,

I just printed my first object, which I got from thingiverse. The result is a bit disappointing.

There is a shift of the whole object after about 1cm printing of 2 mm to the right (x-axis).  In the other direction this didn’t occur. I also got some drips on the right site as well.

Any suggestions how to solve?

Thanks

5a33209f72382_chesspiece.thumb.png.7cf867ed832c6835b1aadc338a4c5737.png

IMG_5076.thumb.JPG.118e78ff35a87aa827a68596bcfd1495.JPG

5a33209f72382_chesspiece.thumb.png.7cf867ed832c6835b1aadc338a4c5737.png

IMG_5076.thumb.JPG.118e78ff35a87aa827a68596bcfd1495.JPG

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Posted · Jump in print UMO+

The shift is probably because of a loose pulley:

http://support.3dverkstan.se/article/23-a-visual-ultimaker-troubleshooting-guide#shifted

The bad looking underside is due to the pretty massive overhang. The plastic is almost printing into thin air at that point with nothing to support it from underneath, this causes the bad quality. Improved cooling can help here.

http://support.3dverkstan.se/article/23-a-visual-ultimaker-troubleshooting-guide#overhangs

Here you can also see how sometimes using thicker layers can help:

http://support.3dverkstan.se/article/30-getting-better-prints#layer-thickness

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Posted · Jump in print UMO+

The shift is probably because of a loose pulley:

http://support.3dverkstan.se/article/23-a-visual-ultimaker-troubleshooting-guide#shifted

The bad looking underside is due to the pretty massive overhang. The plastic is almost printing into thin air at that point with nothing to support it from underneath, this causes the bad quality. Improved cooling can help here.

http://support.3dverkstan.se/article/23-a-visual-ultimaker-troubleshooting-guide#overhangs

Here you can also see how sometimes using thicker layers can help:

http://support.3dverkstan.se/article/30-getting-better-prints#layer-thickness

 

The overhang closest to the bottom is a problem but i dont think the top section that is a little droopy should be a problem. Arent ultimakers capable of printing slight overhangs without problem

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Posted (edited) · Jump in print UMO+

 

The shift is probably because of a loose pulley:

http://support.3dverkstan.se/article/23-a-visual-ultimaker-troubleshooting-guide#shifted

The bad looking underside is due to the pretty massive overhang. The plastic is almost printing into thin air at that point with nothing to support it from underneath, this causes the bad quality. Improved cooling can help here.

http://support.3dverkstan.se/article/23-a-visual-ultimaker-troubleshooting-guide#overhangs

Here you can also see how sometimes using thicker layers can help:

http://support.3dverkstan.se/article/30-getting-better-prints#layer-thickness

 

The overhang closest to the bottom is a problem but i dont think the top section that is a little droopy should be a problem. Arent ultimakers capable of printing slight overhangs without problem

 

They do but

a) Nothing in 3d printing it's automagicall, to print great you need to control at least 80% of what happens (that's applicable for any 3d printer).

b) Umo+ has only one fan, um2 fan from both sides can colddown better (not faster but better from both sides) so it can make better overhangs.

c) On pla there's no such thing as 'easy' overhang. Without cooling & most specifically when printing one object SO small, you need to control speed/print temp/etcetc.

Fast answer to fix this problems it's print more than one at the time, set fans at a higher setting, and print slower.

Edited by Guest
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Posted · Jump in print UMO+

Is this UMO? Best fix for droop is to lower print temp by 10C and get a second head fan on the right side.

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