Re: DC brush type motor control

Hi Les,

Where can I get those ferrite toroids ?
Thanks,

Shadi


--- In CAD_CAM_EDM_DRO@yahoogroups.com, Leslie Newell <lesnewell@...>
wrote:

>
> A common mode choke makes a big difference to noise on Rutex drives. Get
> a chunky ferrite toroid and wind the two output wires around it about 6
> or 7 times. Keep it as close to the drives as possible. I had huge noise
> problems on my lathe until I did that.
>
> I think the Rutex drives switch a bit too fast - great for power
> consumption but very bad for noise.
>
> Les
>
> Mark Vaughan wrote:
> >
> > Many of us have Rutex drives. Some like them, some have endless noise
> > issues. The PID control is good, but transient protection and

noise immunity

> > appears not to be.
> >
> > I have Rutex drives, I have beat the noise issues, but after a recent
> > failure am looking for a more reliable drive.
> >
>