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Nema 23 Questions

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Tuning and tweaking
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    Phaedrux Moderator @wilriker
    last edited by 3 Sept 2018, 06:12

    @wilriker said in Nema 23 Questions:

    @timvukman As it usually is: while researching for where I can buy them in/from Germany at the lowest price I was stumbling across a Canadian shop also. But for the life of me I cannot find it anymore. 🤦

    There's only so many places in Canada to get printer stuff.

    spool3D.ca
    Makerparts.ca (openbuilds distributer)
    Filaments.ca

    Z-Bot CoreXY Build | Thingiverse Profile

    undefined undefined 2 Replies Last reply 3 Sept 2018, 09:04 Reply Quote 0
    • undefined
      wilriker @Phaedrux
      last edited by 3 Sept 2018, 09:04

      @phaedrux said in Nema 23 Questions:

      There's only so many places in Canada to get printer stuff.

      I cannot comment on that but as @TimVukman pointed out Gates belts are mostly used in automotive and I guess there are more shops based in Canada to get these kinds of parts. 😉

      Manuel
      Duet 3 6HC (v0.6) with RPi 4B on a custom Cartesian
      with probably always latest firmware/DWC (incl. betas or self-compiled)
      My Tool Collection

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        deckingman @TimVukman
        last edited by 3 Sept 2018, 09:45

        @timvukman I've been using generic (non-Gates) belts for many years and never had a problem. That's moving a very heavy print head (around 1.5 Kgs) around at high speeds and accelerations. Other users, on other forums have reported that they can't really tell any difference between generic and Gates belts in terms of any print artefacts. I'm not saying that all generic belts are good and maybe there are some cheap Chinese ones around that have issues, but I've never come across any in my own personal experience.

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

        undefined 1 Reply Last reply 4 Sept 2018, 10:51 Reply Quote 0
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          TimVukman @Phaedrux
          last edited by TimVukman 9 Apr 2018, 10:47 4 Sept 2018, 10:46

          @phaedrux

          Thanks for the Canadian distributor list. I have not dealt with Filamensts.ca yet. I'll go check out the products they carry.

          Tim
          edited to fix spelling

          undefined 1 Reply Last reply 4 Sept 2018, 16:00 Reply Quote 0
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            TimVukman @deckingman
            last edited by 4 Sept 2018, 10:51

            @deckingman

            Thanks. Good to know feedback. I'm not sure how much use one would have to have to stretch them. I would think that it would take a while. I know from cutting mine that there is a layer of fiber inside the belt for reinforcement, so it may last quite some time without issue.

            undefined 1 Reply Last reply 4 Sept 2018, 11:35 Reply Quote 0
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              TimVukman @deckingman
              last edited by 4 Sept 2018, 10:53

              @deckingman
              Sorry, I missed this in the bunch that came in since I last checked the board. Thanks, that's the one I ordered!

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                deckingman @TimVukman
                last edited by 4 Sept 2018, 11:35

                @timvukman Yes. They are timing belts. Their function is not to stretch.

                I've read several of posts on various forums from people who have tried steel cored belts, thinking that they would be better from a stretching point of view. Then they fail because the steel cores break through being bent around a small pulley, the straightened, then bent - etc etc. Then when the steel core breaks, thee is no support for the rubber so the belt stretches which completely defeats the object of having steel cores.

                I think its the tooth profile and what the teeth are made of that is the important thing. If these aren't right, they will wear because of the bad material itself, or because the teeth don't mesh properly with the pulley. If there is a build up of black dust around the pulleys, that's a good indication that something is amiss.

                Having said all that, I consider belts to be consumable items which should be replaced periodically - just as one replaces can belts on cars.

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

                undefined 1 Reply Last reply 5 Sept 2018, 11:40 Reply Quote 0
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                  Phaedrux Moderator @TimVukman
                  last edited by 4 Sept 2018, 16:00

                  @timvukman said in Nema 23 Questions:

                  @phaedrux

                  Thanks for the Canadian distributor list. I have not dealt with Filamensts.ca yet. I'll go check out the products they carry.

                  Tim
                  edited to fix spelling

                  They have a lot of harder to find specialty stuff. And the house brand they use is pretty decent.

                  Z-Bot CoreXY Build | Thingiverse Profile

                  undefined 1 Reply Last reply 5 Sept 2018, 11:42 Reply Quote 0
                  • undefined
                    TimVukman @deckingman
                    last edited by 5 Sept 2018, 11:40

                    @deckingman
                    That's not a great ad for steel core belts, but I am not surprised. I wonder if they would be a good target for 60 tooth wheels. The bend arc would be much more relaxed.

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                      TimVukman @Phaedrux
                      last edited by 5 Sept 2018, 11:42

                      @phaedrux
                      Well, that was quite the education on what is available in the filament market. I had no idea there were so many choices. Thanks!

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                        TimVukman
                        last edited by 7 Sept 2018, 13:32

                        Hi
                        In going back to belt drive, I've had some issue with skipping, but they seemed to be mechanical. My X axis is mounted inside the printer frame although it is a 20x40 mounted vertically with half of it above the frame. It's been a challenge to find a way to mount the motor so that the gear with the teeth is at the end of the axis.

                        I'm at a point where the first layer tends to wander around a bit on X. It seems to eventually decide where it wants to be while still in the first layer and then it starts printing properly. I'm only using a fairly small arc of the gear motor so I suspect I need to increase the number of teeth that I am engaging.

                        I think I will end up mounting the motor to the outside frame and extending the belt.

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                        • undefined
                          wilriker
                          last edited by 14 Sept 2018, 13:35

                          Finally I came around to create the online calculator. See this thread. 🙂

                          Manuel
                          Duet 3 6HC (v0.6) with RPi 4B on a custom Cartesian
                          with probably always latest firmware/DWC (incl. betas or self-compiled)
                          My Tool Collection

                          1 Reply Last reply Reply Quote 0
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