Re: [CAD_CAM_EDM_DRO] retro fitting a jet 9 x20 - gecko steppers

Chris wrote:

>Hi,
> I have not posted in this group ....hmmm maybe ever but have been a
>member for while. I started a project of retro fitting a 7 x 12 mini
>lathe over a year ago, and it seems all i did was make purchases and
>did some research on how to get it all together. I forgotten most
>everything I had learned. What I have is a 9 x20 jet, 2 gecko 201
>stepper drives, 3 pacific sci powermax II stepper motors (nema 23, 65
>volt, 1.75 amp 1.8 degree, bipoler) a dbi v2.0 cnc parallel interface
>from axxus technologies. A 1 v duel relay from axxus, a rather huge
>alum heat sink( i think i planned on cutting it into many smaller)
>and a 60 volt (rather huge) radial transformer, a 10,000mf 80v dc
>capacitor. Has anyone here put together a stepping unit using
>g201's. Am i on the right track?
>
>

Most of this stuff sounds about right. If the transformer puts out 60 V
AC, then when rectified, you will get 84.8 V DC, which is above the
Gecko specs, and certainly more than you need for these motors.

Jon