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pictorial print issue identifier

Posted by rrr7 
Re: pictorial print issue identifier
April 15, 2015 04:46AM
Quote
rhmorrison
Z-wobble

Thanks. Will read those topics.
I already changed my threaded rods for the z-axis for other ones since they were really wobbly. Result stayed exactly the same, no difference at all, so I'm thinking that it isn't the problem.
Or there must be a different way to fix z-wobble

Link to video with old curved threaded rods;



Link to video with new straight (better) threaded rods;



The print result looks exactly the same, no improvement what so ever... sad smiley
Re: pictorial print issue identifier
April 19, 2015 06:01PM
Did you try any other colour?
I`m printing with esun pla and when I print in white, I have the same ribs (or z wobble that was mentioned) and my prints looks exactly like yours, I can change over to silver or blue esun pla with exactly the same settings and the same prints are as smooth as a baby`s butt. Think I have E steps issues with white, temperature issues or my white pla drank too much water.......don`t know.
Re: pictorial print issue identifier
April 21, 2015 08:04AM
Hi Bking1340. Haven't tried printed a different color filament with the same settings. Will do and let you know!
Thanks smiling smiley
Re: pictorial print issue identifier
May 14, 2015 05:52AM
Have you guys seen this guide from/for (?) ultimaker yet?
[support.3dverkstan.se]
Hopefully can help some people (will most likely not only apply to ultimaker machines) smiling smiley


3D Drucker:
Prusa i3 (Alu "Rahmen", Heated Bed, Bowden Extruder, E3D-V6 Hotend (Klon), RAMPS 1.4, A4988 (extruder)/DRV8825 (x/y/z) Stepper Treiber, Marlin 1.1.0 RC2, Reworked Plastikteile)
Re: pictorial print issue identifier
June 19, 2015 10:13AM
Thats wonderful help. Thanks for linking.
Re: pictorial print issue identifier
August 26, 2015 11:59AM
I have written my own print troubleshooting pictorial guide and have kept all photos, so I'll join the club with the reprap PTPG page!
Re: pictorial print issue identifier
October 04, 2015 05:29PM
Hi, this is a great thread, but most of them had no picture or insufficient or hardly can be seen without marker. Can those be fixed?
Re: pictorial print issue identifier
October 29, 2015 12:15AM
Awesome resource just put up by Simplify3D, with LOTS of pictures:

[www.simplify3d.com]
Re: pictorial print issue identifier
January 05, 2016 05:27AM
I just added a picture for insufficient material extrusion. This took my a while to figure out. My printer had been working fine, but then started producing totally unusable output. Turns out I somehow changed the filament diameter setting in Slic3r to 3mm instead of 1.75mm. I'll try and take a few more pictures of the failures. Although my problem wasn't on the page yet, this page was VERY helpful ruling things out.

-Matt
Re: pictorial print issue identifier
February 28, 2016 11:57AM
Could someone tell me what this is?
Doesnt look like a z-wobble imho.


Printed in vase mode with 0,05 layer in the bottom.
Speed is about 20 mm/s.
PETG 220°C
Modified Geeetech Prusa i3 X

thanks
kev0

Edited 1 time(s). Last edit at 02/28/2016 12:00PM by Kev0.
Re: pictorial print issue identifier
May 03, 2016 01:18AM
Hi
I am a newbie. I just buy a prusa i3, i update firmware 1.1.0-rc3. then try to print Wades extruder from thingiverse with cura. It look like the the X axis problem, but i dont know why and how to fix. This is a part of first layer,
please help me.
Thanks
Attachments:
open | download - IMG_20160503_1438061.jpg (183.6 KB)
Re: pictorial print issue identifier
March 29, 2017 07:25AM
I have a possibly challenging print issue for you all.

First of all, some specs.
PLA
Layer height: 0.2mm
Normal size benchy
Slicer: Prusa3D Slic3r MK2 with modified Prusa profiles.
Printer is a 1.75mm modified bowden printer. Printer is mostly redesigned by myself.
Here is a shot of the print head.


I'm struggling with strange lines on my prints. I don't know what I can do about this. All lines are geometry related. The lines are always at places where something in the geometry of the entire print is changing. The lines are consistent and always at the same place in every benchy print.

The deck is visible in the perimeters. This can only be seen at this side of the boat.


More strange lines



The lines are even worse at the inside of the bow.



And there are some blobs. These are start and stop points. I don't think there is anything I can do about this.


Things I tried
- Infill/perimeters overlap set to from 25% to 15% and 0% . This make things even worse
- External perimeters first. This removes the deck poking through the outer perimeter. The rest of the print was way worse.
- Belts are tightened.

I running out of ideas. What is causing this?

If you need more information, please let me know. smiling smiley

Edited 4 time(s). Last edit at 03/29/2017 10:01AM by JanJans.
Re: pictorial print issue identifier
March 29, 2017 10:46AM
The last picture is a feature thats not printing very well. The back of benchy is supposed to say #3DBenchy. Although I've never had this come out unless I print benchy at 0.15mm layers.


Re: pictorial print issue identifier
March 29, 2017 11:14AM
I am aware of this. However, the blobs are also outside the text box area. This shouldn't happen in an ideal world grinning smiley
Re: pictorial print issue identifier
March 30, 2017 02:15AM
That's odd. Sometimes I have similar lines. Looks like a layer shifting, but only for (part of) a layer. Next layer is fine again. I know it only looks like shifting, but it isn't.
It turned out that one of my smooth Z rod fixations had a loose screw. I fixed the screw, and the lines disappeared. Now they came back, but I haven't found the reason.
You could check all your Z rod & fixing parts for loose screws.

Edit: I still have another thing in mind - I got the idea that it makes a difference if the outer perimeter is done clockwise or counterclockwise. I printed a part few days ago, got those lines, and I'll check the GCode for this.

Edited 1 time(s). Last edit at 03/30/2017 02:17AM by Inhumierer.
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