Lester, I guess that's what I meant. The 3A drive is the issue. The motors are getting better with the same amount of 3A current. John
> -----Original Message----- > From: Lester Caine [mailto:[email protected]] > Sent: January-13-16 3:08 PM > To: Enhanced Machine Controller (EMC) > Subject: Re: [Emc-users] Stepper Motors/Drives > > > On 13/01/16 21:20, John Dammeyer wrote: > > 495 oz-in sounds kind of inflated for a size 23 motor. > Only 3.5Nm ... we are seeing 4Nm NEMA23 now, but I've standardised on > the 3Nm as an alternative to the 1.8Nm and it's only a few pounds more. > They need 4Amp drivers though, so the 3Amp limit of the NatSemi chips is > a problem :( > > -- > Lester Caine - G8HFL > ----------------------------- > Contact - http://lsces.co.uk/wiki/?page=contact > L.S.Caine Electronic Services - http://lsces.co.uk > EnquirySolve - http://enquirysolve.com/ > Model Engineers Digital Workshop - http://medw.co.uk > Rainbow Digital Media - http://rainbowdigitalmedia.co.uk > > ---------------------------------------------------------------------------- -- > 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 > [email protected] > https://lists.sourceforge.net/lists/listinfo/emc-users ------------------------------------------------------------------------------ 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 [email protected] https://lists.sourceforge.net/lists/listinfo/emc-users
