Re: [CAD_CAM_EDM_DRO] Re: formula ?

dave_ace_me wrote:

> I am missing something here.
>
> is the TPI of the thread on the driven leadscrew one of the factors
> in the calcualtion ?
> > In an earlier post Mariss used...
> >
> > (Oz/In at Motor) X (drive ratio) X 2pi / 16 = Thrust Force in Lbs
> > (neglecting transmission efficiency)
> >
> >
> > 50 (oz/in) X 20 (20:1) X 6.28 (2pi) / 16 = 392 lbs Force

It certainly should be, if leadscrews are used.

Jon