electronic_matt
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Posts posted by electronic_matt
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Printer is an Ultimaker 2, new heater and PT100, all new bearings
Does anyone know what can cause this problem, sometimes when I print multiple parts together, features from one part seem to affect another part next to it on the build plate, the photo shows a band around one part which appears on each of the same part, it seems to happen at the same height but only on the parts shown (with the band) and seems to be affected by the larger part next to it.
I have printed these parts many times before and never used to have this problem, it's the same STL and gcode that I've always used, it's not a Z screw problem as I can print a cube on it's own and it's totally fine.
This happens on other parts as well, I've attached to other images with Blue parts to show what can also happen.
I have 2 other UM2's and it does not do it on those machines.
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Mini Ultibot scaled down 0.625
Printed with 0.25mm Nozzle and 0.04 Layers
How did you change the nozzle?
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That looks Awesome!!!
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Few more of it finished (I think)
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Ladies and Gentlemen I present to you, the USBO! (the Unidentified Serial Bus Object)
Not quite finished yet, but will be very soon...
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I spiralized myself a classic vase at max height. Material: ColorFabb XT. Layer height: 0.1, speed: 40 (very slow). Took 8 hours, I'm satisfied:
Looks like a nice print that! I like
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Still getting the gaps in the layer lines, part of the layer will be fine and then suddenly it will produce gaps in the lines
printing at 210c, 30mm/s, 0.1mm Layers, tried upping temp to 225c but still the same
Does anyone have any ideas? :(
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if you print too high with PLA it can look like under extrusion - and you up the temp (did this yesterday)
I dialled back the temp (to 210 for a Colofabb PLA) and back to good infill and normal printing.
Try to do the bottom layer hot (220) and then back to 210 for normal printing?
each filament is different - so move the temps around.
I am using a cold glass plate on a UM1 so check your plate temp is low for PLA
James
I've printed at about 210c with PLA from when I first got the printer and it seemed fine, printing at 20 to 30mm/s and 0.1mm layers, it's seemed to get worse over time and as you can see in the photo the lines got quite thin and weird looking near the middle
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wow. I'm still trying to figure out what its supposed to look like normally.Clearly this it too high temp but what speed have you printed? Its hard to help without the context.
I had to abort the print to clean the nozzle, it's this http://www.thingiverse.com/thing:258969
Was printing at 210c to start with and upped to 260c to try and clear the nozzle but that didn't work, did the atomic method a few times and seems better now but not perfect
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Not printed anything for a week or so, decided to try a print today but things didn't look good, and I was having to print at a higher and higher temp, decided to try the atomic method to clean the nozzle, it seems a bit better now but still not great, this photo below shows before I did the atomic method
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Bez that looks awsome!! where abouts in the UK are you?
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Top and bottom thickness was set at 1.2mm, still also getting that weird effect on the bottom, I'm sure it's related to how the files are exported to stl from sketchup
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I printed this part for someone today, one side at the top looks ok but the otherside has gaps between the lines slightly, was printed at 0.2mm layers, 220c but turned up to 230c near the end, 50% infill, 30mm/s, does anyone know is the gaps are related to under extrusion or something else?
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Thanks for the offer. I am printing the 20mm-box from this set (it is just a simple box):
http://www.thingiverse.com/thing:5573
Print settings:
- speed: 40
- temperature: 230
- shells: 0.4
- top/bottom: 1.2
- fill: 0
I have attached the gcode file here:
I am also printing other objects (this is a bigger part from the 3DR delta printer). Here you can see that strands not only tend to not touch but some strands are a bit raised.
Printed with your gcode and 230c, blue ultimaker PLA, this is what I got
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Hey thanks Matt.
What do you mean with 3D work? Do you think the software might be related to this problem? I have printed all sorts of objects - mine and from other people and the problem persists.
Other than that, I am not doing much 3D work right now. But when I do it it is either OpenSCAD or Moment of Inspiration.
I am not sure, I am quite new to 3D printing etc... but quite experienced with electronics and technically minded, do you want to send me the cube stl, i'll print it on mine and see what happens, also tell me the full settings you use?
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No sadly not. I didn't have the time to take out the rods and the pulleys and I had hoped someone had a better idea in the mean time.
Also what do you do your 3D work in?
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No sadly not. I didn't have the time to take out the rods and the pulleys and I had hoped someone had a better idea in the mean time.
I wish I could help you must be very annoying! if I see anything else about it online I will let you know!
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DSM is as simple and it's free but you have to learn it from scratch. It's quite different from sketchup. For one thing you can't create just a plane in space - you can only create solids.
I shall check out out
any tips for working in sketchup at all? that's if it is sketchup that's causing the weird bottom patterns -
Look at the model in sketchup. Is it just one square or are there lots of triangles on the bottom in the region that looks different? I suspect the later and that the printer is having trouble replicating the pattern on the bottom.
Alternatively your feeder may have skipped backwards in that region. Or something on the glass such as the glue being thicker there.
I love sketchup as I am so fast in it but I am learning DSM and it is much superior and doesn't create non-solid models like sketchup does. I am quite fast now in Design Spark Mechanical but I haven't memorized enough shortcut keys and such -- it's going to take me a year I think to be as fast as I am in sketchup. But DSM is worth learning well.
Yea looks like triangles on the bottom in netfabb, the triangles kind of match up with where the weird patterns are on the print
Are there any other software that is like sketchup that may work better and as simple?
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Matt is that ultimaker pla or something else? I have exactly the same problem with plastic I bought from another manufacturer.
It's the PLA that came with the Ultimaker 2
What do you use to clean your print bed, and what do you print on to?
Also what do you do your design work in?
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You may try to improve the bed levelling. The fact that the lines have some gap in between each other says that the bed levelling is not yet perfect.
Cleaning the glass with water and some mild dishwashing agent might also be a good thing. Sometimes substances like alcohol can lead to very local delamination of the first layer.
I cleaned the bed very well, atleast I hoped I had, when i watch the nozzle putting down the PLA it makes weird patterns on the first layer, as shown above, then kind of ripple and have weird waves in them
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Does anyone know what would cause this weird effect on the bottom of my prints now?
I am thinking it might stem from my files created in sketchup pro, I did run them through netfabb but no errors detected
any tips for working in sketchup at all? that's if it is sketchup that's causing the weird bottom patterns
Features of one part carried over to other parts
in Improve your 3D prints
Posted
Hi gr5
Side fans seem ok, I can print the same file on my other machines and they print ok
I have about 6 sets printing at once on the bed and I still get those hands, it's almost like there's too much filament just before doing the long lines on the large object and it puts to much on to the smaller part