On 30 Jan 2005 01:50:24 GMT, Dan Murphy wrote:

Cliff wrote in news:1eaov0tta9pt4shgd5eqsa0lcnk1s5btuh@
4ax.com:

On Sat, 29 Jan 2005 08:39:21 -0800, Eric R Snow
wrote:

It is a stepper system. I
would avoid making a machine with steppers.

Why?

They are open loop for one.

For many applications, with the proper controls & sizing,
they seem to work fine.
As a retrofit on a BP for light duty use ..... seems it's worked
a lot ... cheaper too, right?
--
Cliff