Was:Belt reduction questions now pulleys

--- In CAD_CAM_EDM_DRO@yahoogroups.com, Jon Elson <elson@p...> wrote:

> n1ych wrote:
>
> >Looking for some help. I'm going to be converting a X-3 Desktop

mill

> >to Cnc using servo motors. This mill is a little larger then a

mini-

> >mill and about the same size as a small bench top mill like an RF-

25

> >or RF-30.
> >I'm going to be using a 2:1 belt reduction from the servo to the

ball

> >screw.

I'm redoing a Shizouka mill, and I want to do a similar belt
reduction, but I'd like 3:1 or 4:1 reduction. I"m having problems
sourcing ALUMINUM timing belt pulleys. Does anybody have a source
they could refer me to, please?

Thanks

Rod