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    Help with retraction. Retraction not working

    Tuning and tweaking
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    • Paskal
      Paskal last edited by Paskal

      Hello, I have a problem with the extruder. I have set the retraction speed 80mm / s z-hop 0.4mm retraction length 7mm.

      I tried to change the speed in the slicer. The test tower printout is the same. I also tried setting the retraction in the config. And the same prints. It seemed to ignore the change.!
      Extruder BMG with E3D V6 directdrive.

      It is Configconfig.g

      IMG_20210117_204059.jpg

      Paskal Carlo 2 Replies Last reply Reply Quote 0
      • Paskal
        Paskal @Paskal last edited by

        This post is deleted!
        1 Reply Last reply Reply Quote 0
        • Carlo
          Carlo @Paskal last edited by Carlo

          @Paskal

          Which slicer are you using?
          Also 7mm is a lot for direct drive 2mm max

          1 Reply Last reply Reply Quote 0
          • DIY-O-Sphere
            DIY-O-Sphere last edited by

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

            config.g

            You have limited the extruder speed to 60mm/s....
            Also the extruder acceleration is to low...

            (UTC+1)

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

              This is an old setting, I forgot to upload the new one I have there.
              I use Prusa slicer. I tried to give the acceleration like this

              M203 X15000.00 Y15000.00 Z300.00 E5400.00
              M566 X600 Y600 Z20 E3600
              M201 X1000 Y1000 Z100 E5400

              M207 S7 F5400 Z0.4

              DIY-O-Sphere 1 Reply Last reply Reply Quote 0
              • DIY-O-Sphere
                DIY-O-Sphere @Paskal last edited by DIY-O-Sphere

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

                So you are trying to set up firmware retraction?
                Have you enabled the option in the slicer?

                (UTC+1)

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                • Paskal
                  Paskal last edited by

                  Yes, retraction is disabled in the slicer. And is run set up firmware retraction.

                  DIY-O-Sphere 2 Replies Last reply Reply Quote 0
                  • DIY-O-Sphere
                    DIY-O-Sphere @Paskal last edited by

                    @Paskal
                    You can trigger retraction by sending G10 in DWC and unretract by G11.
                    Is that working?

                    (UTC+1)

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                    • Paskal
                      Paskal last edited by

                      Yes, retraction works in the printer web interface

                      DIY-O-Sphere 1 Reply Last reply Reply Quote 0
                      • DIY-O-Sphere
                        DIY-O-Sphere @Paskal last edited by

                        @Paskal
                        Can you provide a current config?
                        I have found an issue with heater setting in the old one.

                        (UTC+1)

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                        • DIY-O-Sphere
                          DIY-O-Sphere @Paskal last edited by

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

                          Yes, retraction works in the printer web interface

                          Have you checked the slicer G-code?
                          Can you provide a sample?

                          (UTC+1)

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

                            four_square_cons.gcode

                            DIY-O-Sphere 1 Reply Last reply Reply Quote 0
                            • DIY-O-Sphere
                              DIY-O-Sphere @Paskal last edited by DIY-O-Sphere

                              @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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                              • Paskal
                                Paskal last edited by

                                I have retraction settings in the config.g

                                DIY-O-Sphere 1 Reply Last reply Reply Quote 0
                                • DIY-O-Sphere
                                  DIY-O-Sphere @Paskal last edited by

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

                                  I have retraction settings in the config.g

                                  Not in the old one.....

                                  (UTC+1)

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

                                    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

                                    DIY-O-Sphere 1 Reply Last reply Reply Quote 0
                                    • DIY-O-Sphere
                                      DIY-O-Sphere @jay_s_uk last edited by

                                      @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
                                      • Phaedrux
                                        Phaedrux Moderator last edited by Phaedrux

                                        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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                                        • Paskal
                                          Paskal last edited by

                                          @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

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

                                            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

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

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

                                              1 Reply Last reply Reply Quote 0
                                              • Paskal
                                                Paskal @Phaedrux last edited by

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

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

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

                                                  Z-Bot CoreXY Build | Thingiverse Profile

                                                  DIY-O-Sphere 1 Reply Last reply Reply Quote 0
                                                  • DIY-O-Sphere
                                                    DIY-O-Sphere @Phaedrux last edited by

                                                    @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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                                                    • Paskal
                                                      Paskal last edited by

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

                                                      IMG_20210120_150621.jpg

                                                      DIY-O-Sphere 1 Reply Last reply Reply Quote 0
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