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    Printing fault

    Tuning and tweaking
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    • bulka
      bulka last edited by

      I started to print ( hotend on 230C ...I'm using PETG ..and it's enough ) .
      I sliced with Slic3r to convert a .stl to gcode and that is the result:

      0_1524833126878_ext11.jpg

      after 10 seconds of printing...or less..

      0_1524833213707_ext2.jpg

      and forced to stop everything...

      I calibrated the motor "E" : M92 X160 Y160 Z160 E98

      I used 98 after some try to extrude 100mm of filament at 5mm/s of feedrate...in order to get 100mm of filament out.

      I don't know what I did wrong....

      ....it's possible that I sliced wrong and created a wrong file (with bad parameters?)?

      dc42 1 Reply Last reply Reply Quote 0
      • Hergonoway
        Hergonoway last edited by

        Did you calibrate your extrusion settings with the cold extrusion method? ( Unplug the ptfe tube, cut the filament flush to the extruder output, cold extrude 50mm to 100mm, cut again, mesure, adapt, etc)

        Filament torned like that at the beginning could be bad calibration of extrusion steps, clogged hot end or too fast printing for the extruder design. (There's a lot of clearance on your extruder picture)

        Delta goes BrrrRRRRrrrrrRRRRrrr

        bulka 1 Reply Last reply Reply Quote 0
        • dc42
          dc42 administrators @bulka last edited by

          @bulka said in Printing fault:

          I started to print ( hotend on 230C ...I'm using PETG ..and it's enough ) .
          I sliced with Slic3r to convert a .stl to gcode and that is the result:

          and forced to stop everything...

          I calibrated the motor "E" : M92 X160 Y160 Z160 E98

          I used 98 after some try to extrude 100mm of filament at 5mm/s of feedrate...in order to get 100mm of filament out.

          I don't know what I did wrong....

          ....it's possible that I sliced wrong and created a wrong file (with bad parameters?)?

          That's a poor extruder design. It should have a guide between the toothed wheel and the output port, to prevent the filament buckling at that point. This is especially important for PETG, which buckles more easily than PLA does.

          Duet WiFi hardware designer and firmware engineer
          Please do not ask me for Duet support via PM or email, use the forum
          http://www.escher3d.com, https://miscsolutions.wordpress.com

          bulka 1 Reply Last reply Reply Quote 0
          • bulka
            bulka @Hergonoway last edited by

            @hergonoway
            not with cold extrusion....I fixed the temperature of the hotend to 180 to unlock the extrusion and unplugged the ptfe tube...and started to measure as you say

            1 Reply Last reply Reply Quote 0
            • bulka
              bulka @dc42 last edited by

              @dc42 can you suggest one?

              Hergonoway 1 Reply Last reply Reply Quote 0
              • Hergonoway
                Hergonoway @bulka last edited by

                @bulka e3d titan (not the aero), works well.

                Delta goes BrrrRRRRrrrrrRRRRrrr

                1 Reply Last reply Reply Quote 0
                • Phaedrux
                  Phaedrux Moderator last edited by

                  If you have some spare hardware laying around and a working printer I can recommend the not so tiny titan extruder.

                  https://www.thingiverse.com/thing:2090259

                  I used it for quite a while and performed about as good as the real titan I eventually replaced it with. It even has a constrained filament path. It was printed in PLA and held up very well. Even the gears. In fact, there were a few things about the printed clone that I liked better than the actual titan. For instance, taking it apart is more modular than the real titan.

                  Z-Bot CoreXY Build | Thingiverse Profile

                  1 Reply Last reply Reply Quote 0
                  • bulka
                    bulka last edited by

                    i don't have another printer 😞

                    Ordered, I'm waiting 🙂

                    1 Reply Last reply Reply Quote 0
                    • bulka
                      bulka last edited by

                      installed and configured....works perfectly! 😄

                      thx for the help

                      1 Reply Last reply Reply Quote 0
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