Re: Re: What do we want?

> [Actually, I mis-spoke (or mis-wrote) The drive on my mill's screws isn't a
> steel roller-chain, like on a bicycle- it's a toothed rubber belt which
> engages a corrugated pulley. This would be closer to the "pure curve" you
> mention, but I'm not sure if they are accurate over long distances. It does
> seem fairly positive over the short (6" between centers) distance. Has
> anybody seen or heard of a router driven with one of these- not using it to
> drive a ball-screw, but actually attaching the sliding stage to one (or
> more) of these toothed rubber belts?]

I dissasembled a wang dot matrix printer that had a carriage driven
that way. Still kicking myself for throwing away the servo - saved it
for many years, then tossed it only about a year before learning how I
could have used it.

Chris

--
Christopher C. Stratton, stratton@...
Engineer, Instrument Maker & Horn Player
(978)538-5179 work, (617)492-3358 home
30 Griswold Street Cambridge, MA 02138
http://www.mdc.net/~stratton