Re: shaft torsion ?

Not unless they're overpowering your motors or there is an extremely
biased friction load from one rail to the other. With good setup &
alignment the rails should perform pretty much the same and the
pinions would easily handle minor side-to-side fluctuations.

--- In CAD_CAM_EDM_DRO@yahoogroups.com, "Philip Burman"
<philip.burman@...> wrote:

>
> Are frictional loads at constant velociy not an issue.
>
> Phil
>
> --- In CAD_CAM_EDM_DRO@yahoogroups.com, Kevin Martin <kpmartin@>
> wrote:
> >
> > In the original message the system was described as "5 foot wide
> gantry on a plasma cutter" so there are essentially no machining

loads

> (unless you count the recoil from the plasma jet).
> > -Kevin Martin
> >
> > -----Original Message-----
> > From: CAD_CAM_EDM_DRO@yahoogroups.com
> [mailto:CAD_CAM_EDM_DRO@yahoogroups.com] On Behalf Of

carbonsteelsam

> > [...]The real differential loads will result when the router is

to

> the extreme end of its travel and is under heavy cutting load.[...]
> >
>