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  1. Oh, I tried looking for it in other posts, but I didn't find a title regarding this exact problem. I will look for that then, thank you!
  2. Hello, As the title suggests, after the last firmware update I made to my UM3, I am unable to execute a X/Y Calibration. Everything goes well, until the printer starts making the grid pattern, and the filament is not pulled, which results in nothing being actually printed, since there is no material in the extruder. Any tips?
  3. I have read a lot about how to print with ABS, and none of the tips solved my problem... I have changed the temperature, on the extruder and the plate, and it did not solved it yet. I always lower the print speed so that the pieces come out better. My printer also has a door. However, there is always a layer that comes out with a flaw, and it is coincident with the end of the hexagonal indentation of the metal nut (not the beginning, it is always the layer that has a higher Z coord). This time, the piece came out like the ones in the images in this comment.
  4. Good morning everyone, I have started printing with ABS this week using the UM3, and I am having a fantastic experience, when comparing with PLA, since the print goes smoothly from beginning to end. In the middle of the test pieces I'm printing, I want to introduce a metal nut, so the first prints I'm doing in the lab are tests of small cubes with the space to fit the metal pieces. However, after the first print was done, and when testing the mechanical stresses the pieces will be subjected to, it delaminated and broke clean throughout a specific layer, and
  5. Yes, I will. The smaller piece (the one who suffered from warping) has a "slot" that has to be at exactly 9 degrees relative to the vertical, and it has slots for screws and nuts, and they need to bery very precise, that's why I'm using the smaller print core. For the larger piece, I am going to use the 0.4 print core. I have noticed the difference in time, yes...
  6. No, it has printed good things and bad things, when some of the settings change, or when the pieces are larger or smaller. There are many variables changing at the time, so I am still trying to master one material
  7. Hmm, I will try that then, maybe my problems will be fixed. Thank you ?
  8. When I used the default settings without some tweaks, major problems occur ever since I started using PLA from another manufacturer. The holes in the second pictures are like that because one of us in the laboratory tried to assemble the screws in the holes, but they were a bit small, that why they look like that. I have lowered the temperatures from the ones I was using, but I'll post the settings I'm using right now (note: I'm am using a 0.25 printcore right now, but I can post the settings for the 0.4 too): Layer Height - 0.06 Initial Layer Height - 0.17 Line Width - 0.23
  9. Hey, I am having a problem with printing PLA and I have tried to change the settings multiple times, and sometimes it prints well and other times it's a complete disaster. The main issue is the fact that in the first layers, the pieces are becoming bent, and I know its due to the printbed temperature, and I have lowered it, but sometimes it still happens, as you can see in the pictures attached. Another problem is the sudden change in width I am having, after a few layers, it suddenly drops a lot,and very slowly starts to go to the correct dimension, as you can see in the second p
  10. Hello, I have been using UM3, with Cura as the slicing software, and printing with PLA and Nylon, and everything is going well, minus some small issues due to this being the first time using 3D printing. However, now (a few months after studying this process and "mastering" PLA printing) I have encountered a new problem which I was not able to fix or find a solution yet. I am printing some pieces which must have exact dimensions and have plane surfaces in some of their sides, and that's the reason which I'm using to choose the positions of those pieces. Howe
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