Re: [CAD_CAM_EDM_DRO] Re: Feedback on Free stepper calculator

Hi Fred,

Thanks for the update.

I put in 360 by the "leadscrew", and 1 by the "motor", but got a way off
value. I reversed them, and got .0125, the expected value.

Copy paste seemed to work OK.

Alan KM6VV


Fred Smith wrote:

>
> --- In CAD_CAM_EDM_DRO@yahoogroups.com, Alan Marconett KM6VV
> <KM6VV@a...> wrote:
> > Hi Fred,
> >
> > I was thinking of having an additional "transmission" type, that of
> > worm. I'm using a 72:1 worm, (Sherline rotary table).
> >
> > 200 steps, 1/2 step, 72:1 worm, 360 degrees == 0.0125 deg/step.
> There
> > is no additional belt reduction.
>
> Alan, I put 360 to 1 in for belt reduction and 72 threads per inch
> and the result was .0125 inches per step. That is a pretty clean
> calculation for a rotary and I'll probably let it go at that. Does
> that sound reasonable?
>
> The free step calculator has been revised and moved to:
>
> http://www.imsrv.com/imservstepcalc.zip
>
> I believe the copy-paste problem (that Larry mentioned) has been
> fixed. A gear rack, teeth per inch calculation for the rack and
> pinion was added.
>
> Best Regards, Fred Smith- IMService
>
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