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    Replacement ball studs - reseller?

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    • vwegert
      vwegert last edited by

      Hi all,

      I'm using the Haydn Huntley arms on a smart effector with the mounting system bought via the Duet3D store several years ago. Recently I've noticed something bad has apparently happened. A ring of black gunk appeared on the chrome balls, and when I removed and cleaned the joints, I could see that somehow the chrome (?) plating of the balls has been abraded to a significant portion.

      Long story short - I need new replacements (2x sets of 6 https://www.duet3d.com/DuetAddons/BallStudEnds), but I have a hard time finding a reseller in Europe, if possible Germany. Does anyone know of a reseller that has these items in stock?

      (Also - will I have to replace the rods as well? I hope not....)

      Thanks
      Volker

      o_lampe DeadNewbie 2 Replies Last reply Reply Quote 0
      • o_lampe
        o_lampe @vwegert last edited by

        @vwegert said in Replacement ball studs - reseller?:

        the chrome (?) plating of the balls has been abraded to a significant portion.

        Hallo Volker,
        If you also see a spot on the magnet, your Delrin sleeves are bad. I'm located in 'Kassel' and I have a few parts (mags, sleeves, balls) laying around, so you could build your own rods. But equal length is very important. I made a rig, but it wasn't perfect.

        Alles weitere dann gern per PM
        Olaf

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

          Here are some images from the effector side (after cleaning the lubricant and black gunk):
          Effector.JPG Rod-Effector.JPG
          and the carriage side:
          Carriage.JPG Rod-Carriage.JPG

          The other rods look similar.

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

            Perhaps you should get in touch with Haydn and ask him for advice? https://www.magballarms.com/

            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

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

              Here a bunch of spanish guys are using this ptfe tape on our hayden´s arms.

              photo_2021-06-01_11-15-21.jpg photo_2021-06-01_11-15-22.jpg photo_2021-06-01_11-15-23.jpg photo_2021-06-01_11-15-24.jpg

              vwegert 1 Reply Last reply Reply Quote 2
              • vwegert
                vwegert @apak last edited by

                @apak Do you have any experience with using UHMW PE tape instead of teflon?

                1 Reply Last reply Reply Quote 0
                • DeadNewbie
                  DeadNewbie @vwegert last edited by

                  @vwegert I found them here, sorry for the delay.

                  https://filament23d.dk/en-gb/haydn-huntley-s-ball-stud-ends-for-magball-delta-arms-haydn-huntley-s-ball-stud-ends-for-magball-delta-arms

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

                    The magnets seem to be nickel plated and the ballstuds are chrome plated. Easy to see where's more wear.
                    The tape solution seems the best workaround. (maybe punch a hole in the center of the tape to avoid contact to the magnet?)

                    1 Reply Last reply Reply Quote 0
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