On Wed, Dec 11, 2013 at 2:12 PM, Gene Heskett <ghesk...@wdtv.com> wrote:
> On Wednesday 11 December 2013 13:50:30 Leonardo Marsaglia did opine: > > > It sounds like an interesting project Leonardo, so please post a link. > > Question: Is this enough of a velocity variation to effect the performance > of the hardening process? Or cause premature wear anyplace from the > vibration, like in the cable trough feeding this carriage? > > Maybe this is a case where the vibration dampers on the rear end of our > steppers that are often used, might be expanded into a damper big enough to > absorb the majority of this "vibration'? > > This damper gismo isn't an area well characterized, or at least I've not > found someone proposing formulas for their making on the net, so most of > use make our own according to our own thinking. If the rear shaft isn't > available, then a thin flywheel on the drive end, with a tubular rim filled > with large ball bearing balls for rolling weight, running in heavy grease > to dampen the motion of the balls relative to the rim could make a > noticeable difference, but with the reduced rate of available acceleration > that swinging weight would cost. Not talking my nema 23's here, where such > a constuct might be the size of a roller skate weheel but something perhaps > 8 to 10" in overall diameter, keeping in mind it needs to strong enough to > take the rpms involved. It goes without saying that its demise at speed > would of course become quite a hazard. :( Containment cages could be > indicated/demanded by the safety people. > > Just an old fart, thinking out loud, I'll go away now. ;-) > Gene, A bunch of the stepper guys over on the CNCZone forum have used hockey pucks as dampeners, with reportedly good results. Mark ------------------------------------------------------------------------------ Rapidly troubleshoot problems before they affect your business. Most IT organizations don't have a clear picture of how application performance affects their revenue. With AppDynamics, you get 100% visibility into your Java,.NET, & PHP application. Start your 15-day FREE TRIAL of AppDynamics Pro! http://pubads.g.doubleclick.net/gampad/clk?id=84349831&iu=/4140/ostg.clktrk _______________________________________________ Emc-users mailing list Emc-users@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/emc-users
