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kazzaqov

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Everything posted by kazzaqov

  1. I'm not using cooling fan. Printing at 255 degrees and different speeds (50mm-100mm) It comes out like this. Maybe that's some overextrusion because of bed leveling?
  2. I must admit that I have printed ultimaker robot just fine. Difficulties are only when printing iphone case.
  3. What might cause poor layer bonding when printing ABS? I used bingobob's printing settings (or something similar to it in the latest Cura 13.6.4) and recommendation of using abs glue, heated bed and kapton. I fixed the edge curling problem, so my corners are fine now. But the large object, iphone case actually, prints out with poor layer bonding and can be broken easily. I tried different infills, from 20 to 100%. Help much appreciated.
  4. Ok so I've figured out it was because of too high layer heigh (0,3) Setting to 0,2 fixed the problem.
  5. Thank you guys. I know about calibration wizard. The problem is that a cannot calibrate it to be even at all 4 corners, but I think I will learn how to with some practice Thanks for a detailed procedure, gr5! I tried calibrating this way, but I don't understand how to swtich from one screw to anoter. For example, I have calibrated the first screw, but when I switch to the next one you say to raise the platform again, that will spoil the previous screw, won't it? And how is it possible to calibrate all screws at a time using that method? Well I seem to have calibrated it a bit, but still was helping it with a hand while printing the first layer. So now I have a problem: at 40% of the print the new layer just don't stick to the previous one and fail the print. Is that also bed leveling problem? I haven't had that problem before...Must be because I recalibrated the bed, which was calibrated by the professional before.
  6. Hello everyone. I have an issue with leveling the bed. Even if I tighten all the screws, use,A4 paper, and try various options for Z-switch, I have a feeling that its not leveled, and the back part of the bed is always higher than the front one, no matter what I do. When printing pretty large objects (like iPhone case) the first layer sticks to the bed unequally: sticks well in some parts, in others the bed is too high or too low. So its impossible to print. I somehow printed with PLA before even with not perfect first layer, but now I have switched to ABS and its totally impossible. The first layer is spoiled and further layers are printed in the air. I can print some smaller objects though, like ultimaker robot, because its printing square is not so large. So, may this be some mechanical problem? I have a heated bed, but the problem was on non-heated bed as well. Maybe someone could upload a good bed level testing object with rounded corners and so on? I so far had no success in printing the perfect first layer, but first PLA prints were pretty ok. Every help will be much appreciated.
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