On 8 November 2010 16:55, Kirk Wallace <kwall...@wallacecompany.com> wrote:

>> That sounds like a fairly simple thing to fix with a bit of HAL
>> though. A flip-flop based frequency divider maybe?
>
> It seems to me, making sure the flip-flop keyed on the same location of
> the spindle, regardless of powering off or resets, might be a problem.

True, but if you power-off halfway through a threading cycle you are
likely to have more problems that just a 50% chance of not picking the
same thread up next pass.

If the index is used for other things (bar feeder?) then another
solution would be needed.

-- 
atp

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