i dont see why to care what any part aside from the engagement area is doing, except maybe at some resonance frequencies (grease it up good) and/or high speeds (why use a reducer for high speed application?).
--- On Tue, 5/15/12, andy pugh <bodge...@gmail.com> wrote: > From: andy pugh <bodge...@gmail.com> > Subject: Re: [Emc-users] Some advice needed > To: "Enhanced Machine Controller (EMC)" <emc-users@lists.sourceforge.net> > Date: Tuesday, May 15, 2012, 2:55 AM > On 15 May 2012 10:42, charles green > <xxzzb...@yahoo.com> > wrote: > > the discreet spline teeth are also an approximation. > in fact, anything made out of atoms is flexible and > grainy. why not construct mechanisms from massless rigid > rods and such? > > I think Viesturs has a point about the sides being > unconstrained in a > twin-roller arrangement. The sides have the option of > flapping like a > drive belt. > A combination roller/plain bearing might work, though, > imagine a brass > oval with rollers in the ends. There would be little load on > the > plain-bearing portions, but it would constrain the > flex-spline. > > -- > atp > If you can't fix it, you don't own it. > http://www.ifixit.com/Manifesto > > ------------------------------------------------------------------------------ > Live Security Virtual Conference > Exclusive live event will cover all the ways today's > security and > threat landscape has changed and how IT managers can > respond. Discussions > will include endpoint security, mobile security and the > latest in malware > threats. http://www.accelacomm.com/jaw/sfrnl04242012/114/50122263/ > _______________________________________________ > Emc-users mailing list > Emc-users@lists.sourceforge.net > https://lists.sourceforge.net/lists/listinfo/emc-users > ------------------------------------------------------------------------------ Live Security Virtual Conference Exclusive live event will cover all the ways today's security and threat landscape has changed and how IT managers can respond. Discussions will include endpoint security, mobile security and the latest in malware threats. http://www.accelacomm.com/jaw/sfrnl04242012/114/50122263/ _______________________________________________ Emc-users mailing list Emc-users@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/emc-users
