Re: [CAD_CAM_EDM_DRO] RE:Re: Darrell and Mariss: BP 42 motor volts and ???

ballendo@... wrote:

> Jon Elson wrote:
> <snip> and runs up to nearly the DC supply voltage at rapid feed
> >rates. To complicate matters, the original Bridgeport BOSS controls
> >could switch the drivers to low power mode when holding position.
> >This reduced both motor current and DC supply voltage.
> >Jon
>
> So Jon,
>
> Is the DC supply voltage (in your experience) in line with what
> Darrell previously told us? i.e., 90-98Vdc?

I honestly don't know. I haven't worked on them, but have gone through
some of the details with people trying to fix one, through the net.

> P.S. I didn't know the BP's had idle current reduction.

Yes, they use a pretty tricky (but primitive) method, too.

Jon