Re: Long X axis Method of travel.

--- In CAD_CAM_EDM_DRO@yahoogroups.com, "Robert Campbell" <bob@c...>
wrote:

> Peja,
>
> The problem that I had was with racking of the Gantry. This can be

overcome

> by proper design.
>
> Bob Campbell
>>
> > Hi Bob,
> > What problems can give lead screw down the center under the table?
> > Please explain.
> > Peja
> >
>> > Dex,
> >
> > Rack and Pinion driven from both sides seems to be popular.
>.
> >
>> > Bob Campbell
> > http://www.campbelldesigns.com
>

What would be the repeatability and resolution of a rack and pinion
drive? Where is a good starting place to look for such set ups.
This unit will be hung above the work surface thus leaving the
sawdust to fall down and sucked up by a vaccume under the work
surface.

Dex