Re: [CAD_CAM_EDM_DRO] Servo/Stepper on a Surface Grinder

On Wed, Apr 26, 2006 at 02:35:43PM -0700, Phil Mattison wrote:

> Use a micro-stepping driver for the stepper motors and the big jerks become
> many tiny ones. If you're driving a lead screw it probably doesn't mater
> anyway, since that is a major "gear" reduction already unless it has a
> really steep pitch.

The table on this surface grinder is moved by a gear on a shaft that
contacts a rack on the bottom side of the table.

It looks _exactly_ like the setup that moves the saddle on my South Bend
lathe.

So, sadly, there's no lead screw here to help me out.


Alan


--

Alan Rothenbush
Academic Computing Services
Simon Fraser University
Burnaby, B.C., Canada


The Spartans do not ask the number of the enemy, only where they are.

Agix of Sparta