On 20 January 2016 at 23:49, John Kasunich <jmkasun...@fastmail.fm> wrote: > That control shaft turns easily - looks like a NEMA 23 stepper would have > no trouble controlling it. > > Although I guess sequencing is a challenge, can only adjust while running. > Are there clutches downstream of the variator? I'd be tempted to rig a crude > low PPR encoder on the output shaft of the variator, start the motor with > clutches off, adjust variator to desired gearbox input speed, then close > either > the high or low range clutch to start the spindle.
I have considered that sort of thing, and I have it in reserve if I don't like VFD-only control. It isn't a huge job to put the Variator back in again. -- atp If you can't fix it, you don't own it. http://www.ifixit.com/Manifesto ------------------------------------------------------------------------------ Site24x7 APM Insight: Get Deep Visibility into Application Performance APM + Mobile APM + RUM: Monitor 3 App instances at just $35/Month Monitor end-to-end web transactions and take corrective actions now Troubleshoot faster and improve end-user experience. Signup Now! http://pubads.g.doubleclick.net/gampad/clk?id=267308311&iu=/4140 _______________________________________________ Emc-users mailing list Emc-users@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/emc-users
