Re: deskcnc servo driver

Jon:

No doubt about it, I need a new caculator. Thanks for the correction.

Ken

> Huh? You'd better check your calculations. If the encoder gives 500
> counts/rev,
> times 5 for the ballscrew, that is 2500 counts/inch, or .0004"/count.
> 0.0004" x 128 = 0.0512", 51 thousandths. If that happens during

multi-axis

> cutting, I'm sure a lot of people would notice the error.
>
> Even if you meant 500 cycle/rev on the encoders, giving 2000 counts/rev,
> the error would still be 0.0128", which might be a lot, depending on the
> work in question.
>
> Jon