Hey guys. I have been thinking about my 4th axis I am going to make.
I have my cnc mill working now though there is still a bunch of work to get done. But I have been thinking about how I can make the best 4th axis and after that 5th axis. I have narrowed it down to either harmonic drives or Hypocycloidal gear boxes. I am thinking the hypocyloidal type looks the most rigid and best to make as it looks like the it would be very easy to make on a cnc mill and a harmonic drive relies on a thin strain wave gear that is not the strongest. I actually have a rather large one which I have been thinking about using but I would like to go with a the hypocycloidal design instead. all you guys out there with awesome cncs sitting in your sheds have you ever built one of these? I don't want to reinvent the wheel if I don't have to. And I am on the track to making my cnc a 5th axis when I get to it. First I will make the 4th axis and pump a bit of work through it and make some money lol. But 5 axis looks pretty fun and cool and I think it is finally doable for the pro diy person. I have all the toys like a surface grinder and lathes etc and of course the cnc mill. also don't mind spending money if needed as it is a business. here are some links to get the ideas flowing videos https://www.youtube.com/watch?v=Eds48L4cJjM fuson 360 scripts to generate the gear profile. https://github.com/mawildoer/cycloidal_generator/blob/master/README.md https://github.com/tapnair/Fusion360HypocycloidGear and just to show that it has been done before I say that the new Hass umc500 has cycloidal gearboxes in it so the design must be pretty good. https://www.haascnc.com/machines/vertical-mills/universal-machine/models/umc-500.html regards Andrew _______________________________________________ Emc-users mailing list [email protected] https://lists.sourceforge.net/lists/listinfo/emc-users
