Re: [CAD_CAM_EDM_DRO] Re: HARDINGE HNC RETROFIT threading

Dave Kowalczyk wrote:

> Bob:
>
> Well, I hate to blow my own horn, but TurboCNC can do single axis
> threading with the G33 word, using a spindle encoder for feedback.
>
> The encoder has to be of the "one pulse per rev" variety however.

One pulse per rev? How long does it take for the Z axis to sync up to
the spindle? What about speed variations when running at low speed with
high spindle load? This is a common ocurrence on the last few passes of
a coarse thread. How quickly can the Z axis adjust when the spindle speed
changes?

Jon