On Sun, 26 Aug 2012 11:14:15 +0100, you wrote:

>Jeremy/Steve/Chris
>
>Chris is correct
>
>1. When reading the U, W words they are reserved for axis movements only.
>2. Some lathes are XZ/UW - so the UW words are required for the second tool.

As far as I know Fanuc don't use UW for axis in lathes or turning
centres, they use XYZABC and I believe they also made two co-coordinated
and interlinked controls with two sets of XZ - but I've never come
across one. I think they used X_ Y_ Z_ for the second toolpost on that
control.

I've also seen it without the UW words at all, but can't remember what
control. They do seem a bit superfluous and are optional on some.  No
great shakes to program the actual size the roughing cycle is going to
cut, rather than the finished size plus an allowance.

Steve Blackmore
--

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