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Everything posted by cubic

  1. Both Torgeir and Sander thank you for the input. It really helps. It much looks like Sander's suggestion regarding the faulty layer one third up was correct. I added some weight to the printing table and the problem was gone. Thank you. And Tongeir, thank you for explaining the thermocouple operation. I did know that but good for completeness. For my work I use thermosensors (melting plastics 😉 ) on an industrial scale. When I have to choose, I will never use a thermocouple. I simply cannot trust millivolt signals in high power installations (although I know the majori
  2. Hi Sander, It took some time; life got in the way. This photo, I think, shows that the heating cartridge and the sensor are in okay: The side view shows a more general impression. I noticed that the front (left in the picture) screw is not tight, but there is no way I can tighten it more than this. Looks like the ring of the Peek bush is thicker than the space provided. The "blood stain" on the Alu block allows for the thermal camera to be used. Recently I disassembled the nozzle from the Alu block and found that is was no contact between the Alu and nozzle in the surfa
  3. Hi Sander, Thanks for the invitation, although my first reaction was "the weight is wrong, how to photograph that?". But anyway it may be a good idea that more experienced people give their view on this. Please find two photo's attached. The left one is what started this search, so the prints before any of the actions described above. The right one is what comes out at 240°C and at 110% material in Cura. I am not unhappy with that, but it is still the weight is too low, Cura says 19 grams and it is 16 to 17 grams. Close but no cigar. Photo top view: What I think I
  4. Hi All, Although I am the first owner of my UMO, I am no way an expert. I have been making things, but I am not happy with the results. In hindsight printing always has been troublesome. Let's say mixed results. But more and more I am using the printer in projects and I have seen much better print quality than what I get. Often I have vertical outer walls not connected, or the top layer not showing a closed surface. So a simple print quality topic? No! Recently I printed 3 clamps and Cura told me they should weigh 59 grams. I doubted that and so put the clamps on the scales. It turne
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