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Quad head idex

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  • undefined
    T3P3Tony administrators @wdenker
    last edited by 27 May 2019, 17:17

    @wdenker best bet is to start with getting solution working for a "normal" 2 head IDEX printer (which is already supported by the Duet/RepRapFirmware)

    www.duet3d.com

    undefined 1 Reply Last reply 27 May 2019, 17:19 Reply Quote 0
    • undefined
      wdenker @T3P3Tony
      last edited by 27 May 2019, 17:19

      @t3p3tony that's the plan. Was hoping to get something in the works as I have the hardware about done as far as setup.

      www.bd3dcustoms.com | BD3DCUSTOMS Supercube

      1 Reply Last reply Reply Quote 0
      • undefined
        dc42 administrators
        last edited by dc42 28 May 2019, 08:25

        Getting two heads printing different parts of the same print is something that I think would be interesting to do. I envisage a post-processor or Duet 3 plugin that reads the GCode command stream and parallelizes it where possible. At the start of each layer, it would use a single head to print the perimeters. Then it would divide the print into four areas, such that areas 1 and 3 can be printed independently of each other without the two heads colliding, and so can 2 and 4. If the usual 45 degree infill pattern is used, the split between these areas could be parallel to the infill direction. Then we would need a mechanism to represent two parallel blocks of GCode commands that can be printed simultaneously, along with a "sync" command. The sync command would park whichever head finished first, until the other one finishes. So we can command the printer to print areas 1 and 3 in parallel, sync, then print areas 2 and 4 in parallel and sync again. Then repeat for the next layer.

        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

        undefined 2 Replies Last reply 17 Sept 2019, 19:26 Reply Quote 0
        • undefined
          adavidm
          last edited by 28 May 2019, 13:52

          There is a paper here:

          http://www.ambots.net/user/pages/03.technology/_publications/chunk-based-slicer.pdf

          That describes, amongst other things, a slicing strategy for "cooperative" printing.

          May be of interest.

          adavidm

          1 Reply Last reply Reply Quote 2
          • undefined
            wdenker @dc42
            last edited by 17 Sept 2019, 19:26

            @dc42 I have a 1000x1000x600 dual head ready to go just need to setup the firmware side of it. Is there a article on how to set it up? Duet 3 plugin sounds amazing if that could happen. Would love to talk to you through IM if possible.

            www.bd3dcustoms.com | BD3DCUSTOMS Supercube

            undefined 1 Reply Last reply 19 Sept 2019, 00:36 Reply Quote 0
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              T3P3Tony administrators @wdenker
              last edited by 19 Sept 2019, 00:36

              @wdenker if its a dual head then do you have it setup initiall as a "normal" IDEX?

              www.duet3d.com

              undefined 1 Reply Last reply 19 Sept 2019, 01:55 Reply Quote 0
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                wdenker @T3P3Tony
                last edited by 19 Sept 2019, 01:55

                @T3P3Tony right ok is there a way to use the configurator to do that I went through it the other night and didn't see any idex options.

                www.bd3dcustoms.com | BD3DCUSTOMS Supercube

                1 Reply Last reply Reply Quote 0
                • undefined
                  T3P3Tony administrators
                  last edited by 19 Sept 2019, 16:57

                  No idex is not a config tool option yet.

                  Start with a config tool setup for a cartesian and then follow this guide:
                  https://duet3d.dozuki.com/Wiki/ConfiguringMultipleIndependentXcarriagesCartesian

                  www.duet3d.com

                  undefined 3 Replies Last reply 19 Sept 2019, 16:58 Reply Quote 0
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                    wdenker @T3P3Tony
                    last edited by 19 Sept 2019, 16:58

                    @T3P3Tony can I use my current config for my corexy I use for everything? Thanks for quick replies!

                    www.bd3dcustoms.com | BD3DCUSTOMS Supercube

                    1 Reply Last reply Reply Quote 0
                    • undefined
                      wdenker @T3P3Tony
                      last edited by 22 Sept 2019, 02:48

                      @T3P3Tony So just trying to get firmware made up for this and the very first step is to create new axes using M584. My config.g doesn't have any M584. Going to follow the rest through and see what I get hoping by the time I am done I have the answer to why that is.

                      www.bd3dcustoms.com | BD3DCUSTOMS Supercube

                      1 Reply Last reply Reply Quote 0
                      • undefined
                        wdenker @T3P3Tony
                        last edited by wdenker 22 Sept 2019, 02:56

                        @T3P3Tony @dc42 Here is first take on it. Any thoughts? I found an example with M584 not sure if I got it right though. config.g

                        www.bd3dcustoms.com | BD3DCUSTOMS Supercube

                        1 Reply Last reply Reply Quote 0
                        • undefined
                          wdenker @dc42
                          last edited by 1 Oct 2019, 13:46

                          @dc42 is there anyway I could pay you to help me get this firmware going? I just don't have a lot of time to do the whole trial and error thing to get it going. I have a corexy with four lead screws for the bed already and that configuration that works I need to add The second pantry and head movement to it. Let me know what you think.

                          www.bd3dcustoms.com | BD3DCUSTOMS Supercube

                          undefined 1 Reply Last reply 3 Oct 2019, 13:25 Reply Quote 0
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                            T3P3Tony administrators @wdenker
                            last edited by 3 Oct 2019, 13:25

                            @wdenker can you be more specific, what is currently not working with the config you posted.

                            You have a U and a V axis defined, In a traditional IDEX you would have X and U as the two independent axes, is V the second Y axis? If so I would get the "conventional" Idex setup working first.

                            www.duet3d.com

                            undefined 2 Replies Last reply 8 Oct 2019, 15:32 Reply Quote 0
                            • undefined
                              wdenker @T3P3Tony
                              last edited by 8 Oct 2019, 15:32

                              @T3P3Tony I got the individual axis' working. Now to figure out the tools.

                              www.bd3dcustoms.com | BD3DCUSTOMS Supercube

                              1 Reply Last reply Reply Quote 0
                              • undefined
                                wdenker @T3P3Tony
                                last edited by 24 Oct 2019, 23:26

                                @T3P3Tony Wondering if you could answer a question. Got it all up and running but having a hard time getting my U and V axis working and reading like I would expect. I have U as my second Y axis and V as my second X axis. I am homing x and y to the front left and u and v to the back left. When I home I would love it to show up as where it is landing for U and V which should be around 955 and 10 but instead shows as 10 and 10 even though it is all the way at the other end of the bed. Any ideas?

                                www.bd3dcustoms.com | BD3DCUSTOMS Supercube

                                undefined 1 Reply Last reply 25 Oct 2019, 06:01 Reply Quote 0
                                • undefined
                                  T3P3Tony administrators @wdenker
                                  last edited by 25 Oct 2019, 06:01

                                  @wdenker odd, what happends when you send M114 from the console to report the Axis positions?

                                  www.duet3d.com

                                  1 Reply Last reply Reply Quote 0
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