frank how do you design them? eg do you generate the gear mathematically and what cad software do you use?
regards Andrew On Wed, Apr 1, 2020 at 8:19 PM Frank Tkalcevic <fr...@franksworkshop.com.au> wrote: > > https://www.youtube.com/watch?v=Eds48L4cJjM > > In those designs, I've always been concerned that the moving part of the > gear rubs against the outside lobes. This repair video shows a Sumitomo > Cyclo which uses rolling pins on the outside, so minimal friction... > > https://youtu.be/H_oMVO_OTGs?t=157 > > (There's another video out there that shows an exploded view of this, but I > couldn't find it). > > I used this idea for some 3d printed hypocycloidal gearboxes for a robot > arm, using bearings for the outside pins. It works, but the plastic is a > bit squishy - on the TODO list is to cnc machine them out of aluminium, > which shouldn't be hard as they are 2 1/2D parts. > > > > > > > _______________________________________________ > Emc-users mailing list > Emc-users@lists.sourceforge.net > https://lists.sourceforge.net/lists/listinfo/emc-users > _______________________________________________ Emc-users mailing list Emc-users@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/emc-users