Re: Ball screws

And ... even if everybody's gearing was identical, you still have a
huge variation in resolution of steppers. This has to be compensated
for in software.
Randy

--- In CAD_CAM_EDM_DRO@yahoogroups.com, "David A. Frantz"
<spinwizard@f...> wrote:

> I've seen them advertised but really have no practical knowledge of
> Kerks lead screw. Kerk actually makes lots of different lead screw
> assemblies so I wouldn't be surprised if they had something new.

A

> talk with an applications engineer may help.
>
> As to lead your CNC coftware would have to compensate in some

manner or

> form as even if the lead is constant the encoders and the gearing

are

> likely to be different form machine to machine. Not a user of

mach2

> either so specifics can't be offered at this time. Generally you

have

> a way to specify counts per inch/mm someplace within the software.
>
> Thanks
> dave
>
>
> On Fri, 2005-02-25 at 01:31 +0000, ryan_kittredge wrote:
> >
> >
> > Hello group;
> > During some internet research I came across Kerk motion that has
> > lead screws with anti backlash nuts that they claim to be less
> > expensive and out perform real ball screws.
> >
> > I am interested if anyone knows anything about these and where

good

> > ball screw / lead screw suppliers are.
> >
> > I also noticed that a lot of ball screws do not have the
> > standard .100" per rev lead that is the standard for the

machines.

> > Does the controller software like mach2 compensate for this?
> >
> > Thank you,
> > Ryan
> >
> >
> >
> >
> >
> >
> >
> >
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