Re: [CAD_CAM_EDM_DRO] Re: servo brake problem

Good pint Doug
It sounds like he need to provide a switch operated by the air solenoid that
will enable the motor only after the break is released. If it doesn't
already have one.
Jim

----- Original Message -----
From: "Doug Chartier" <doug@...>
To: <CAD_CAM_EDM_DRO@yahoogroups.com>
Sent: Saturday, August 28, 2004 2:24 AM
Subject: Re: [CAD_CAM_EDM_DRO] Re: servo brake problem


> At 01:31 AM 8/28/2004, you wrote:
> >Still got the axis motor wiring problem in another
> >question to tackle. I think I will eventually get to the bottom of
> >all this with a lot of help from my new CAD-CAM-EDM-DRO friends!
>
>
> A bit more info that I just remembered.
>
> The times the spindle motor would not turn - when the air pressure was low
> or non existent - the inverter that runs the spindle motor tripped
> out. Since the inverter and the controller including the solenoids are on
> completely different circuits, that tells me the brake is ENGAGED, thus
> causing the inverter to overload when trying to start the spindle motor
> causing it to trip.
>
> If this is true, the fact that your spindle motor will not turn may have
> nothing to do with the motor or the wiring. Getting the brake disengaged
> may solve all your problems.
>
> Another guess - is it possible the brake solenoid is wired backwards so it
> provides air pressure when the pressure is supposed to be released?
>
> Doug C.
> Houston, Tex.
>
>
>
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