Yea, being on the other side of the planet from McMaster Carr has got to suck...
As for using feedscrews to drive the arms that adds another part to the position calculation as the amount of rotation changes with the angles as well as the amount of force required to do said work. Keep us posted John On 5 Dec 2007 at 9:15, [EMAIL PROTECTED] wrote: > Thanks for all the informative replies. I'll pursue the references. > Sounds like it's doable, but the time/effort spent on software > development will exceed the material savings. Unless of course, a few > thousand were to be made. > > I would not use gears to drive the arms, but feedscrews, forming a > triangle, much like a mechanical shovel. I did not draw that all in as > it was getting real late. Again, my target is an entry level CNC mill, > for milling of plastics, PCB, foam... > > And it's a pity I'm on the other side of the planet(South Africa), > because I'd be happy to supply a prototype to someone who's keen on > working on the software, which is not my forte' > > Thanks for the prices John. I'll look into it. Freight is always a > killer. > > Regards > Roland ------------------------------------------------------------------------- SF.Net email is sponsored by: The Future of Linux Business White Paper from Novell. From the desktop to the data center, Linux is going mainstream. Let it simplify your IT future. http://altfarm.mediaplex.com/ad/ck/8857-50307-18918-4 _______________________________________________ Emc-users mailing list [email protected] https://lists.sourceforge.net/lists/listinfo/emc-users
