On Fri, 23 Apr 2010 02:14:48 -0400, you wrote:

>
>I have a PDF copy of the Fanuc oi-mc manual and I read the section 14 on 
>tool length compensation and it does not say anything about storing the
>actual tool length from zero (home position).    It says that all tool 
>length compensation values are offsets from programmed position to actual.

Agreed, tool offsets are just absolute values, in machine units. They
have just the same "offset" from a home position or any other programmed
position and it would be counter productive to force tool offsets to
behave in any other way.

Steve Blackmore
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