[Lab] how to change endmills and not loose Z zero?

[Tom Burns]

Having no practical experience with a CNC yet this is only a guess, but
could you return to zero before switching endmills?  Or would you end up
still having to estimate Z position.

On Wed, Apr 13, 2011 at 3:30 PM, Darcy Whyte <darcy at siteware.com> wrote:

> I want to eventually do cnc cutting with multiple endmills.
>
> Problem is I wont know where zero is for the work in progress. It's easy to
> estimate zero at the start and it works okay for cutting. But to continue
> work, an estimate wont do. It has to match.
>
> Any ideas?
>
>
> --
> Darcy Whyte
> *Darcy at Siteware.com*
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