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Deut 3D 6HC questions and Stepper motor match

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  • undefined
    Jim46
    last edited by 10 Feb 2020, 22:14

    Hi Phaedrux,
    Thanks so much for your comment. Very helpful!
    Presently, I'm building a 4'x4'x4' XYZ printer with 2 steppers on the vertical (Z) axis, 2 steppers on the back and forth X axis and 1 stepper on the Y axis for head positioning left and right. If possible, I may want to add brakes to the Z Axis to hold the print head level as it could be heavy as the design progresses.
    Cheers,
    Jim

    undefined undefined 2 Replies Last reply 10 Feb 2020, 22:18 Reply Quote 0
    • undefined
      Phaedrux Moderator @Jim46
      last edited by 10 Feb 2020, 22:18

      @Jim46 said in Deut 3D 6HC questions and Stepper motor match:

      I'm building a 4'x4'x4'

      That's a big one! Do keep us posted.

      Z-Bot CoreXY Build | Thingiverse Profile

      1 Reply Last reply Reply Quote 0
      • undefined
        Danal @Jim46
        last edited by 10 Feb 2020, 22:21

        @Jim46 said in Deut 3D 6HC questions and Stepper motor match:

        Hi Phaedrux,
        Thanks so much for your comment. Very helpful!
        Presently, I'm building a 4'x4'x4' XYZ printer with 2 steppers on the vertical (Z) axis, 2 steppers on the back and forth X axis and 1 stepper on the Y axis for head positioning left and right. If possible, I may want to add brakes to the Z Axis to hold the print head level as it could be heavy as the design progresses.
        Cheers,
        Jim

        Nifty!!

        With no more description than that... we (ok, I) will still have opinions!

        Have you thought about 3 motors on the bed, to enable auto-level?

        Delta / Kossel printer fanatic

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        • undefined
          Jim46
          last edited by 10 Feb 2020, 22:31

          Hi Danal,
          The printer is currently is aimed at large ceramic items. So, I won't have a bed in the traditional sense.
          If none of it works, then it may become a CNC machine.
          J

          1 Reply Last reply Reply Quote 0
          • undefined
            Jim46
            last edited by 11 Feb 2020, 21:42

            Hi Guys,
            What are your recommendations of the type and wiring for cooling fans for the Duet 3D and the Pi 4?
            Who are the best people to buy and support the Duet3D 6HC ?
            Thanks again,
            Jim

            undefined 1 Reply Last reply 11 Feb 2020, 22:33 Reply Quote 0
            • undefined
              Danal @Jim46
              last edited by 11 Feb 2020, 22:33

              @Jim46 said in Deut 3D 6HC questions and Stepper motor match:

              Hi Guys,
              What are your recommendations of the type and wiring for cooling fans for the Duet 3D and the Pi 4?
              Who are the best people to buy and support the Duet3D 6HC ?
              Thanks again,
              Jim

              Assuming the machine is in a "normal office environment" (70 to 80F or 20 to 27C) and not a factory floor:

              Cooling: Mount the board vertically, aim your choice of small fan at the BACK of the board. Almost anything will work, total flow is not at all critical. Duets have "constant on" connectors, so you can pick a more expensive and quieter Noctua, or a generic and replace it when it eats bearings or whatever. Almost any airflow.

              The Pi should not need an active fan.

              Buy and support:

              Direct if that is an option.
              Filastruder in the USA

              Support here. Lots of good stuff from the staff and community both. (I'm community, by the way)

              Delta / Kossel printer fanatic

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              • undefined
                Jim46
                last edited by 11 Feb 2020, 22:53

                Hi Danal,
                Thanks so much. It looks like only the main UK outlet has the Duet3D 6HC. Do you happen to know or have contact that can tell me if the board is the 1.0 Version?
                I placed an order today for the Pi4 and the screen you suggested.
                Next is the Duet3D...
                The help here has been superior!
                Jim

                1 Reply Last reply Reply Quote 0
                • undefined
                  Phaedrux Moderator
                  last edited by 11 Feb 2020, 23:29

                  In the USA: https://www.filastruder.com/collections/electronics/products/duet-3-mainboard-6hc

                  Z-Bot CoreXY Build | Thingiverse Profile

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                  • undefined
                    dc42 administrators
                    last edited by 12 Feb 2020, 18:33

                    E3D sells the Duet 3 MB6HC too.

                    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

                    1 Reply Last reply Reply Quote 0
                    • undefined
                      Jim46
                      last edited by 17 Feb 2020, 02:58

                      Hello Gentleman,
                      Thanks again for sharing and for your great comments. The 7" screen arrived yesterday as did the CanaKit Raspberry Pi 4. Interesting it includes a small fan about 1" square for the Pi4. Yet, having trouble finding a screen case for the Jun-Electon 7" HD HDMI screen? Does anyone know if it fits the RPi4 7" screen case?
                      Cheers
                      Jim

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                      • undefined
                        DocTrucker
                        last edited by 17 Feb 2020, 08:44

                        For UK folk I've this screen on my ebay watch list which looks similar, but not identical.

                        https://www.ebay.co.uk/itm/264484629064

                        Getting a little twitchy about the recommended PSU for the Raspberry Pi 4B being 3A, the screen being 2A, and the max external draw from the Duet3 being 3A, so I've also got a USB current meter on order. Suspect there is head room in both screen and Raspberry Pi advised PSU ratings, but I won't really know what the Pi can draw until I get it slicing and working hard! The draw on the screen shouldn't be much higher than playing some YouTube videos though...

                        Running 3 P3Steel with Duet 2. Duet 3 on the shelf looking for a suitable machine. One first generation Duet in a Logo/Turtle style robot!

                        undefined 1 Reply Last reply 17 Feb 2020, 10:41 Reply Quote 0
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                          deckingman @DocTrucker
                          last edited by 17 Feb 2020, 10:41

                          @DocTrucker You can always power the RPi from a separate supply if you get desperate.

                          Ian
                          https://somei3deas.wordpress.com/
                          https://www.youtube.com/@deckingman

                          undefined 1 Reply Last reply 17 Feb 2020, 11:59 Reply Quote 0
                          • undefined
                            DocTrucker @deckingman
                            last edited by 17 Feb 2020, 11:59

                            @deckingman I am considering that. Alas it will likely mean a UK socket mounted in the electrickery box, don't fancy trying to wire a USB C plug!

                            Running 3 P3Steel with Duet 2. Duet 3 on the shelf looking for a suitable machine. One first generation Duet in a Logo/Turtle style robot!

                            undefined 1 Reply Last reply 17 Feb 2020, 12:02 Reply Quote 0
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                              jay_s_uk @DocTrucker
                              last edited by 17 Feb 2020, 12:02

                              @DocTrucker
                              Modify the wiring going from duet 3 to the pi. Apply the power to the header rather than using the USB-C

                              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 Feb 2020, 12:03 Reply Quote 0
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                                DocTrucker @jay_s_uk
                                last edited by 17 Feb 2020, 12:03

                                @jay_s_uk fair shout! 🙂

                                Running 3 P3Steel with Duet 2. Duet 3 on the shelf looking for a suitable machine. One first generation Duet in a Logo/Turtle style robot!

                                undefined 1 Reply Last reply 17 Feb 2020, 13:16 Reply Quote 0
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                                  deckingman @DocTrucker
                                  last edited by 17 Feb 2020, 13:16

                                  @DocTrucker For info, I haven't used the ribbon cable from the Duet to the RPi. Just connected the data pins and a couple of gnds. Then used an external 5V psu to power the RPi etc. Having said - I've now disconnected it and the RPi just sits there unconnected waiting for someone to come up with something useful for it to do. ☺

                                  Ian
                                  https://somei3deas.wordpress.com/
                                  https://www.youtube.com/@deckingman

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                                    Danal
                                    last edited by 17 Feb 2020, 17:07

                                    I'm running the Ribbon D3>Pi. I'm running a 7" touchscreen, and a camera. The camera has been swapped several times (experimenting with tool-to-tool alignment). At the moment it is a Logitech C270. It has been a 'microscope' with its own LED ring illuminators around the lense.

                                    No signs of power stress. Have printed for 5 and 10 hours at a time, toolchanging all the way...

                                    Delta / Kossel printer fanatic

                                    undefined 1 Reply Last reply 17 Feb 2020, 18:25 Reply Quote 0
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                                      DocTrucker @Danal
                                      last edited by 17 Feb 2020, 18:25

                                      @Danal yes I remember your comment on a very similar thread. I am probably being over cautious and the recommended power supplies are likely over specced.

                                      Running 3 P3Steel with Duet 2. Duet 3 on the shelf looking for a suitable machine. One first generation Duet in a Logo/Turtle style robot!

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                                      • undefined
                                        Danal
                                        last edited by 17 Feb 2020, 23:37

                                        I suspect things draw a lot less than we think. Manufacturers tend to rate draw as the absolute max.

                                        Delta / Kossel printer fanatic

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