Re: [CAD_CAM_EDM_DRO] Router spindle electrical noise.

Are you sure you are not experiencing "switch bounce"? Router motors can
cause harmonic vibration that could cause a switch to start vibrating and
trigger itself.

----- Original Message -----
From: "balsaman_cnc" <balsaman_cnc@...>
To: <CAD_CAM_EDM_DRO@yahoogroups.com>
Sent: Sunday, October 19, 2003 9:21 AM
Subject: [CAD_CAM_EDM_DRO] Router spindle electrical noise.


> The electrical noise generated by my Porter cable Router is
> triggering my limit switch circuit. The limits are high and go low
> if there is a problem. They are all in series (NC). If I set the
> speed on my router down 20% or so the problem goes away. I slid one
> of those ferrite donuts over the limit switch cable with no effect.
> Is there something else I can try? I used shielded cable on all
> cabling EXCEPT the limit switches...do I need to replace all that
> cable? Are there other options?
>
> Thanks for any help you can provide.
>
> Eric
>
>
>
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