Re: [CAD_CAM_EDM_DRO] Motor Noise?

Hi Phil,

I'd try the computer "accessories" catalogs. Or an Imax (sp) type
catalog, probably more. Any shop that fixes computers probably has a
few. We see them all the time in surplus stores. I have one clipped on
the power supply lead to my Gecko's. Otherwise the 20 Khz gets into the
TV!

Alan KM6VV


phil wrote:

>
> Alan,
>
> I was thinking about trying these but didn't know where to buy them. Any
> ideas on suppliers of these ?
>
> thanks
>
> Phil
> ----- Original Message -----
> From: "Alan Marconett KM6VV" <KM6VV@...>
> To: <CAD_CAM_EDM_DRO@yahoogroups.com>
> Sent: Thursday, June 21, 2001 11:03 PM
> Subject: Re: [CAD_CAM_EDM_DRO] Motor Noise?
>
> > Hi Phil,
> >
> > You might try some of the "clamp-on" ferrite cores used for computer
> > cables. At the speed control, at the computer parallel port cable, at
> > the driver, etc.
> >
> > Alan KM6VV
> >
> > phil wrote:
> > >
> > > I'm using a router speed control with a small laminate style trimmer
> and since installing the speed controller I've got problems on my Z Axis
> with lost steps.
> > >
> > > If I remove the speed control then all works well.
> > >
> > > Any suggestions on how best to -
> > >
> > > a) reduce the noise from the speed controller and/or motor
> > > b) shield the steppers from the noise.
> > >
> > > thanks!
> > >
> > > Phil