Re: Newbie question: Motor sizing

--- In CAD_CAM_EDM_DRO@y..., "rawen2" <rawen2@w...> wrote:

> Hi Group. Just joined a few days ago. Read 99% of the postings

from

> May. Whew. I'm already 200% more knowledgable. I'd like to build

a

> 3 axis CNC using a Jet JMD-18 benchtop or similar. It has an

approx

> 9.5" x 32" table. I see that Microkinetics on their "CNC Express"
> puts 470 oz/in motors on the X & Y axes with ballscrews. At first
> I'd like to run with the standard acme screws and was wondering

what

> size (torque) steppers do I need? I'd like it to be middle of the
> road on speed and capable of machining materials from wood to

steel.

> I assume it will get faster after eventually converting to
> ballscrews. Thanks.

One thing I forgot to mention. I plan on using belt drive with 2:1?
reduction.