Re: Cnc Project-- combination router- plasma cutter

Smoke,
I think maybe you left something out of your sketch.
As I see it, the table won't move at all. The screw
will just wind back and forth equally thru both nuts.
That is unless you have a left hand thread on one end,
or some other clever arrangement that I don't see.
What am I missing?
Al

--- In CAD_CAM_EDM_DRO@egroups.com, "Smoke" <Smoke@5...> wrote:
> I've just uploaded a drawing relative to this.
>
> Look for the "Ball screw drive length expansion" file.
>
> Bear in mind that using this procedure will cause the travel of the
table to
> be TWICE the travel of the screw. EX: if the screw pitch is 1/4",
one full
> turn of the screw will cause the table to travel 1/2".
>
> Smoke