> -----Original Message----- > From: Dave Cole [mailto:linuxcncro...@gmail.com] > Sent: October-20-20 1:04 PM > To: emc-users@lists.sourceforge.net > Subject: Re: [Emc-users] driver for a DC motor for a BS-1. > > What about using a common KB Electronics DC drive? > Woot.com (Amazon discount site) is selling one for $89.� I think they > can commonly be found on Ebay as well. > > Dave
I looked at their web site. (google KB Electronic DC drive). Seems like pretty nice stuff although I wonder if they would react fast enough to a closed loop control. If that was even wanted. One of the drives does support tachometer feedback. John > > On 10/19/2020 5:22 PM, grumpy--- via Emc-users wrote: > > On Sun, 18 Oct 2020, John Dammeyer wrote: > > > >> Way back in 2003 I started a project to control the surplus tread > >> mill motors I had acquired.� At that time I was still just casting > >> parts for making my Gingery Lathe and thought about making my own DC > >> Servo motor controller. > >> > >> http://www.autoartisans.com/MotorDrives/MOTOR1-5.JPG > >> > >> The first prototype had a bunch of problems and then regular paying > >> work took over, I needed the bench space and never revived the project. > >> http://www.autoartisans.com/MotorDrives/REVA0059.JPG > >> > >> The controller was the MC33030 > >> > >> http://www.autoartisans.com/MotorDrives/MC33030-D.pdf > >> > >> Knowing what I know now I'd never use this device but back then... > > > > i have a 1 hp treadmill motor i need a controller for > > in view of you past experience what would you use now > > > > > > _______________________________________________ > > Emc-users mailing list > > Emc-users@lists.sourceforge.net > > https://lists.sourceforge.net/lists/listinfo/emc-users > > > _______________________________________________ > Emc-users mailing list > Emc-users@lists.sourceforge.net > https://lists.sourceforge.net/lists/listinfo/emc-users _______________________________________________ Emc-users mailing list Emc-users@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/emc-users
