On 11 November 2012 20:00, Scott Hasse <scott.ha...@gmail.com> wrote:

> I plan on integrating the spindle control to be able to thread, but I am
> wondering if the Z pulse needs to be strictly once per chuck revolution

Yes, it must be once per spindle revolution. The system will always
start the threading pass on the index, and if that index happens at a
different point in the spindle revolution, then so will the thread.

> Further, I am wondering the best way to interface a 12-24V open collector
> encoder with the Mesa 7i33 servo control card.

That's one for Pete.

-- 
atp
If you can't fix it, you don't own it.
http://www.ifixit.com/Manifesto

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