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Help with retraction. Retraction not working

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Tuning and tweaking
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  • undefined
    DIY-O-Sphere @Paskal
    last edited by DIY-O-Sphere 17 Jan 2021, 21:17

    @Paskal
    Where do you set the retraction settings?
    I have base values in the config. And I overwrite them with the g-code of the filament settings.
    Have you set them manually in DWC before starting a print?

    (UTC+1)

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    • undefined
      Paskal
      last edited by 17 Jan 2021, 21:21

      I have retraction settings in the config.g

      undefined 1 Reply Last reply 17 Jan 2021, 21:25 Reply Quote 0
      • undefined
        DIY-O-Sphere @Paskal
        last edited by 17 Jan 2021, 21:25

        @Paskal said in Help with retraction. Retraction not working:

        I have retraction settings in the config.g

        Not in the old one.....

        (UTC+1)

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        • undefined
          jay_s_uk
          last edited by 17 Jan 2021, 21:26

          you still need to enable retraction in the slicer and then tick the box for firmware retraction.
          The slicer then inserts G10 and G11 when retraction is required.
          Otherwise, how will the firmware know?

          Owns various duet boards and is the main wiki maintainer for the Teamgloomy LPC/STM32 port of RRF. Assume I'm running whatever the latest beta/stable build is

          undefined 1 Reply Last reply 17 Jan 2021, 21:28 Reply Quote 0
          • undefined
            DIY-O-Sphere @jay_s_uk
            last edited by 17 Jan 2021, 21:28

            @jay_s_uk said in Help with retraction. Retraction not working:

            The slicer then inserts G10 and G11

            It's in the g-code
            I have checked that...

            (UTC+1)

            1 Reply Last reply Reply Quote 1
            • undefined
              Phaedrux Moderator
              last edited by Phaedrux 18 Jan 2021, 06:27

              Part of the problem is the extremely long retraction, extremely low speed values for Z, and using Z hop. Z hop will always lead to a lot of stringing.

              Try this for your settings

              M566 X700 Y700 Z60 E3000 ; set maximum instantaneous speed changes (mm/min)
              M203 X6000 Y6000 Z600 E6000 ; set maximum speeds (mm/min)
              M201 X900 Y900 Z200 E3000 ; set accelerations (mm/s^2)
              M207 P0 S1.5 R0 F3600 T2600 Z0 ; retraction
              M572 S0 S0.05 ; pressure advance

              Z-Bot CoreXY Build | Thingiverse Profile

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              • undefined
                Paskal
                last edited by 18 Jan 2021, 20:22

                @Phaedrux said in Help with retraction. Retraction not working:

                M207 P0 S1.5 R0 F3600 T2600 Z0 ; retraction M572 S0 S0.05 ; pressure advance

                I changed the settings as recommended. I attach a photo, it seems better to me

                IMG_20210118_211946.jpg

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                • undefined
                  Phaedrux Moderator
                  last edited by 18 Jan 2021, 20:23

                  Ok, now try calibrating the extruder: https://duet3d.dozuki.com/Guide/Ender+3+Pro+and+Duet+Maestro+Guide+Part+4:+Calibration/40#s165

                  Z-Bot CoreXY Build | Thingiverse Profile

                  undefined 1 Reply Last reply 19 Jan 2021, 21:43 Reply Quote 0
                  • undefined
                    Paskal
                    last edited by 18 Jan 2021, 20:28

                    Okay, I'll try. I calibrated it on PETG. But now I have PLA there, so I'll try again

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                    • undefined
                      Paskal @Phaedrux
                      last edited by 19 Jan 2021, 21:43

                      @Phaedrux After calibration the result is the same. I tried to add length + speed and no change.

                      1 Reply Last reply Reply Quote 0
                      • undefined
                        Phaedrux Moderator
                        last edited by 19 Jan 2021, 22:29

                        Photo of your extruder setup?
                        Is everything assembled correctly?
                        Do you have some fresh PLA to test with?

                        Z-Bot CoreXY Build | Thingiverse Profile

                        undefined 1 Reply Last reply 19 Jan 2021, 23:33 Reply Quote 0
                        • undefined
                          DIY-O-Sphere @Phaedrux
                          last edited by 19 Jan 2021, 23:33

                          @Phaedrux
                          As I mentioned yesterday, there is an issue in the provided config. Look at the configuration of H1.

                          ; Heaters
                          M308 S0 P"bedtemp" Y"thermistor" T100000 B3950 ; configure sensor 0 as thermistor on pin bedtemp
                          M950 H0 C"bedheat" T0 ; create bed heater output on bedheat and map it to sensor 0
                          M307 H0 A167.0 C982.2 D5.1 S1.00 V23.1 B0 ; enable bang-bang mode for the bed heater and set PWM limit
                          M140 H0 ; map heated bed to heater 0
                          M143 H0 S120 ; set temperature limit for heater 0 to 120C
                          M308 S1 P"spi.cs1" Y"rtd-max31865" ; define temperature sensor number 4 as a PT100
                          M950 H1 C"e0heat" T1 ; create nozzle heater output on e0heat and map it to sensor 1
                          M307 H0 B1 S1.00
                          M143 H1 S280 ; set temperature limit for heater 1 to 280C

                          I'm not sure if it is already corrected or not. Nor what RRF is interprets in such a case.
                          But I know that higher temperatures lead to ozzing.

                          (UTC+1)

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                          • undefined
                            Paskal
                            last edited by 20 Jan 2021, 14:09

                            Here is a photo of the hotend. Shouldn't the M143 have anything to do with it stringing or confusing?

                            IMG_20210120_150621.jpg

                            undefined 1 Reply Last reply 20 Jan 2021, 14:55 Reply Quote 0
                            • undefined
                              DIY-O-Sphere @Paskal
                              last edited by DIY-O-Sphere 20 Jan 2021, 14:55

                              @Paskal
                              Have a look on line 10, that should be H1. The line is overwriting the tunning of line 4.
                              So there is no M307 set for H1. Maybe RRF sets standard values, but I don't know.
                              You should also perform tunning for H1.

                              (UTC+1)

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