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    Elliptic Gears

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    • E Offline
      enhydra
      last edited by

      Hi

      @unknownuser said:

      there is link inside the text
      Don't know if it's free and the export format

      I know this tool. It seems promising. πŸ˜„ But the guy has not decided yet, how he wants to publish it. By now there is no export format.

      Regards
      Kurt

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      • gillesG Offline
        gilles
        last edited by

        Component Stringer could help.

        http://sketchucation.com/forums/viewtopic.php?f=79&t=48477&hilit=component+stringer#p435378

        " c'est curieux chez les marins ce besoin de faire des phrases "

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        • GaieusG Offline
          Gaieus
          last edited by

          @gilles said:

          Component Stringer could help.

          http://sketchucation.com/forums/viewtopic.php?f=79&t=48477&hilit=component+stringer#p435378

          Component stringer AND Ddider's ellipse plugin: http://rhin.crai.archi.fr/rld/plugin_details.php?id=124
          as it makes ellipses with equal segments.

          Gai...

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          • Jean LemireJ Offline
            Jean Lemire
            last edited by

            Hi enhydra, hi folks.

            In your image, you show two small circular gears meshed with a larger elliptical one.

            For this to work, you need a way to accomodate changes in axis distance.

            Normally, elliptical gears are meshed with other elliptical gears.

            See this web page for some formula:

            http://www.technicaljournalsonline.com/ijaers/VOL%20II/IJAERS%20VOL%20II%20ISSUE%20I%20%20OCTBER%20DECEMBER%202012/225.pdf

            You will see that defining the exact shape for the teeth is not so simple.

            Just ideas.

            Jean (Johnny) Lemire from Repentigny, Quebec, Canada.

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            • pilouP Offline
              pilou
              last edited by

              Even not elliptical gears are no so simple too πŸ˜„
              38 parameters! πŸ€“


              gears.jpg

              Frenchy Pilou
              Is beautiful that please without concept!
              My Little site :)

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              • Jean LemireJ Offline
                Jean Lemire
                last edited by

                Hi Pilou, hi folks.

                You are right. Imagine with square gears. Yes, they exist.

                See this page:

                Link Preview Image
                Non-circular gear - Wikipedia

                favicon

                (en.wikipedia.org)

                And this one for even more strange looking shapes for gears. Look for the fish shaped one at mid length. Really funny.

                Just ideas.

                Jean (Johnny) Lemire from Repentigny, Quebec, Canada.

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                • E Offline
                  enhydra
                  last edited by

                  @gilles said:

                  Component Stringer could help.
                  http://sketchucation.com/forums/viewtopic.php?f=79&t=48477&hilit=component+stringer#p435378

                  Thanks for replying πŸ˜„

                  @gilles & by Gaieus: I will take a look at these two plugins. Hope they do the job. πŸ‘

                  @Jean Lemire:

                  @unknownuser said:

                  you need a way to accomodate changes in axis distance

                  Yes, I am aware of that. πŸ˜‰ Take a look at http://skfb.ly/5k3ecba. A rubber band will press the smaller gear towards the elliptic gear.
                  You get the point: Dealing with gears is quite challenging. But

                  @Pilou
                  I am not bothered by all of the 38 parameters. πŸ˜‰

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                  • pilouP Offline
                    pilou
                    last edited by

                    Terrific gears indeed!
                    And crazzy wood clocks 😲

                    Frenchy Pilou
                    Is beautiful that please without concept!
                    My Little site :)

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                    • E Offline
                      enhydra
                      last edited by

                      @unknownuser said:

                      Terrific gears indeed!
                      And crazzy wood clocks 😲

                      I wish I had a laser cutter in the basement. πŸ˜‰

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                      • PixeroP Offline
                        Pixero
                        last edited by

                        Kind of reminds me of the intro to the old Swedish TV show Tekniskt Magasin.

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                        • D Offline
                          driven
                          last edited by

                          you could reverse engineer this one...
                          11mb and v6
                          https://dl.dropbox.com/u/25114184/Clark_67.skp

                          edit forgot to add superelipse plugin may help http://sketchucation.com/forums/viewtopic.php?t=29061

                          learn from the mistakes of others, you may not live long enough to make them all yourself...

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                          • E Offline
                            enhydra
                            last edited by

                            Unfortunately the plugin "Compnent Stringer" won't work for this kind of problem. Especially if you are interessted in a proper solution. For makers and tinkerers the plugin and also my way are good enough. πŸ˜‰

                            Look at: http://www.thingiverse.com/thing;57771

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                            • gillesG Offline
                              gilles
                              last edited by

                              For those who enjoy fine mechanics:

                              http://kmoddl.library.cornell.edu/model.php?m=689&movie=hide


                              1357.jpg

                              " c'est curieux chez les marins ce besoin de faire des phrases "

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