Re: SLO-SYN 12.7 Amp motors

----- Original Message -----
From: Jon Elson <jmelson@...
>
> > The problem comes in when you try to control a large machine (like a
> > Bridgeport) at high speeds (60+ inches/minute or thereabouts). Since the
> > torque output of stepper motors drops with speed, any timing variations
in
> > the step rate (at high speed) can lead into resonance problems or
stalling.
> > Fred has made some good progress lately and will have an improved
version of
> > the stepper software available in the near future.
>
> Well, that's just another argument for servos!

If you already have steppers, drivers and power supplies, (Bridgeport CNC)
the cost to change to servos to use EMC makes buying a Machine Master, AHHA
or FlashCut control a much more economical solution.
Darrell
http://machinemaster.com

>
> Jon
>
>
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