Re: gecko burned again

How do I figure out if I have floating grounds?

The power supply is new and I don't think it is causing the
problem. Seems there is no machanical problem apparent. I guess
rewiring could be helpful to be sure there are no bad connections...

Thanks
Keith

--- In CAD_CAM_EDM_DRO@yahoogroups.com, "john labutski" <kd6wd@c...>
wrote:

> You might also start looking for a mechanical problem as well. It

could be

> cooling to the Gecko, possibly binding in the y axis on the mill,

moisture

> getting into the control box, floating grounds. If your using a

linear

> power supply, sometimes the windings short out due to age and heat

and you

> end up with a different voltage coming out of them. A lower

voltage means

> higher current.
>
> Don't know if this helps but its some food for thought.
>
> John
>
>
> ----- Original Message -----
> From: "Keith Clark" <mail@t...>
> To: <CAD_CAM_EDM_DRO@yahoogroups.com>
> Sent: Sunday, November 07, 2004 9:56 AM
> Subject: [CAD_CAM_EDM_DRO] gecko burned again
>
>
> >
> >
> > Well, the y axis gecko drive burned again this morning. This

time

> > there are no loose wires. I was doing very little with the

machine

> > and had just turned it on when during a y axis G0 move, the drive
> > burned up. I assume this is an indication that the Gecko cannot
> > handle the motor I am using. This is an old topic and I have

asked

> > for help with this problem before. The mill is a Bridgeport

Series

> > 1 CNC originally controlled by Boss 6 but now using Anaheim Nema

42

> > high torque stepper motors and Mach2 software with a Campbell
> > breakout board.
> >
> > At this point is seems reasonable to try another brand drive?
> >
> > Thanks
> > Keith Clark
> > clarkfamily5@c...
> >
> >
> >
> >
> >
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