On 10 June 2016 at 10:34, Andrew <[email protected]> wrote:

>> The TP is not doing it.
> I've done it in kinematics for hexapod.

My question was how you prevent the TP from doing it.

The forum post seems to say that motion.tooloffset.z only changes when
G43 is invoked, and at that point something (maybe not TP, maybe some
other layer) applies an offset in cartesian Z.
So, one question is how to do a tool-change without applying the
offset twice. (perhaps a remap is the way)

Does your system handle the G41 / G42 cutter diameter compensation?  I
guess you could argue for doing that in the CAM system, but then the
reason for going to the trouble of setting up a tool-centre based
system is to be able to use 5-axis machining without being reliant on
the CAM system having an accurate machine model.

-- 
atp
"A motorcycle is a bicycle with a pandemonium attachment and is
designed for the especial use of mechanical geniuses, daredevils and
lunatics."
— George Fitch, Atlanta Constitution Newspaper, 1916

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