Helical couplings are available in many sizes and torque ranges in stainless steel and aluminum.... Helical Products home.. http://www.heli-cal.com/cm/Home.html one can find many couplings available on ebay like http://cgi.ebay.com/ws/eBayISAPI.dll?VISuperSize&item=140415497363 <http://cgi.ebay.com/ws/eBayISAPI.dll?VISuperSize&item=140415497363> just do a search for Helical Coupling... Hope that helps Erik
Wayne On 03/07/2010 4:58 AM, Erik Christiansen wrote: > On Fri, Jul 02, 2010 at 08:47:29PM -0500, Jon Elson wrote: > >> I put an encoder on the end of the ballscrew with a helical-slit coupling. >> You can see some photos here : >> http://jelinux.pico-systems.com/CNCconv.html >> > Hey, that sounds a bit easier than making Oldham couplings. > About how many turns of helix did you use? > > >> Please excuse the awful pictures, I ought to redo them. >> > Somewhat higher resolution would help anyone taking a keen interest in > details. If the coupling is visible from some angle, there's an > appreciative audience of at least one for an image of it. ;-) > > Erik > > ------------------------------------------------------------------------------ This SF.net email is sponsored by Sprint What will you do first with EVO, the first 4G phone? Visit sprint.com/first -- http://p.sf.net/sfu/sprint-com-first _______________________________________________ Emc-users mailing list [email protected] https://lists.sourceforge.net/lists/listinfo/emc-users
