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Retraction seams to be reversed

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  • undefined
    pr0xyfl00d3r
    last edited by 12 Feb 2019, 00:07

    At the point, my printer is set to retract before a move a fair amount of filament comes out from the hotend onto the print.

    I am using Simplify3D for the slicer on a Tronxy x5sa

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    • undefined
      Phaedrux Moderator
      last edited by 12 Feb 2019, 00:55

      Need a lot more information.

      Board version? Firmware? config.g? Slicer settings? Pictures? Video?

      Z-Bot CoreXY Build | Thingiverse Profile

      undefined 1 Reply Last reply 12 Feb 2019, 01:32 Reply Quote 0
      • undefined
        gavatron3000
        last edited by 12 Feb 2019, 01:19

        For me this occurred on S3D v4.1.0. However 4.1.1 has been excellent

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        • undefined
          pr0xyfl00d3r @Phaedrux
          last edited by 12 Feb 2019, 01:32

          @phaedrux said in Retraction seams to be reversed:

          Need a lot more information.

          Board version? Firmware? config.g? Slicer settings? Pictures? Video?

          Duet 2 Wifi, v1.04.
          0_1549934973886_config-3.g
          Simplify3d is 4.1.1
          0_1549935043416_Screenshot 2019-02-12 at 01.30.18.png

          I will try do a video later

          undefined 1 Reply Last reply 12 Feb 2019, 01:35 Reply Quote 0
          • undefined
            Phaedrux Moderator @pr0xyfl00d3r
            last edited by Phaedrux 2 Dec 2019, 01:36 12 Feb 2019, 01:35

            @pr0xyfl00d3r looks like your extruder acceleration is 10000 and 80mms retraction is quite fast. I wonder if the motor is perhaps skipping or stuttering which maybe looks like it's going in reverse? Try reducing e acceleration to say 3000.

            Also try disabling wipe.

            Z-Bot CoreXY Build | Thingiverse Profile

            undefined 1 Reply Last reply 12 Feb 2019, 01:43 Reply Quote 0
            • undefined
              pr0xyfl00d3r @Phaedrux
              last edited by 12 Feb 2019, 01:43

              @phaedrux said in Retraction seams to be reversed:

              @pr0xyfl00d3r looks like your extruder acceleration is 10000 and 80mms retraction is quite fast. I wonder if the motor is perhaps skipping or stuttering which maybe looks like it's going in reverse? Try reducing e acceleration to say 3000.

              Also try disabling wipe.

              Ok will give it a go.

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              • undefined
                gavatron3000
                last edited by 12 Feb 2019, 01:57

                I see your esteps are up near 800. You might be over speeding your stepper. With my old bondtech qr I wasnt able to go much past 50mm/s and I was around 500 steps that was roughly 500rpm at the stepper

                undefined 1 Reply Last reply 18 Mar 2019, 15:15 Reply Quote 0
                • undefined
                  pr0xyfl00d3r @gavatron3000
                  last edited by pr0xyfl00d3r 18 Mar 2019, 15:15

                  @gavatron3000 said in Retraction seams to be reversed:

                  I see your esteps are up near 800. You might be over speeding your stepper. With my old bondtech qr I wasnt able to go much past 50mm/s and I was around 500 steps that was roughly 500rpm at the stepper

                  I have an E3D Titan with the compact stepper they sell which in the documentation they say to start of with 837 but after running some config test with extruding some material I found that E797.332 was good,

                  I got this after testing extruding 100mm of filament.

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                  • undefined
                    pr0xyfl00d3r
                    last edited by 18 Mar 2019, 15:22

                    Also during the print when it comes to the point when its about to change layers extra material comes out leaving a lil bump that the nozzle hits

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                    • undefined
                      dc42 administrators
                      last edited by 18 Mar 2019, 18:24

                      From your config.g:

                      M201 X3000.00 Y3000.00 Z250.00 E10000.00 ; Set accelerations (mm/s^2)

                      10000 is a very high acceleration for an extruder, especially with steps/mm as high as 800. Try reducing it.

                      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

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                      • undefined
                        NAK_3D
                        last edited by 22 May 2019, 19:04

                        Hello,
                        I'm having this same issue with the White Knight belt printer.. Was a solution ever determined?

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