Andy
Sorry about my soap box - returning to your discussion:
> The lathe-patch is not what I am trying to talk about in this thread.
> I changed the email subject to try to make that clear.
>
> What I wanted to talk about here was wear-offsets in general. How they
> should be handles in the tool table, if you were starting from scratch
> with a non-NML tooltable.
>
All just thinking out loud:
Well how they would be handled in the tool table still depends on the
implementation
in the Gcode.
If I was doing a clean sheet Gcode dialect I think I would choose multiple
geometry and wear offsets
per tool, but that gets to be a lot of entries in the tool table.
100 tools x 10 geo offsets + 100 tools x 10 wear offsets is 2000 entries.
(arbitrary example)
The tool table and wear table should be separate as far as the GUI goes, as for
the table,
I'm not sure it matters as long as linuxcnc understands it.
hmmm other things that come to mind regarding tool table, tool mangament.
Adding the ability to support 'replacement' tools would be nice for a
production environment.
Meaning if you wear out tool 1 the control can replace it with an identical
tool from a different
pocket.
I'm thinking of a 'virtual' tool number that the program would call say tool 1
then the control would use one of a number of actual tools - all preset to cut
identical.
Other entries besides geometry offset and wear offset might be:
cut time - the total time of feed moves since the tool had been reset. One
could set the control to change after a certain amount of cut time.
max force - The maximum force use while cutting - one could set the control to
change tools if max force is too high.
Chris M
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