Gentlemen,
    I have not thought this through to be able to spec exactly what I
want. I have never worked in a shop with a master tool list. I used to
do some contract NC programming for shops with a master tool list. The
contract programmer is not given the 'easy' parts to do, (ie: the
parts the master tool list works with). Therefore, the experience I
have with master tool lists is not positive. Everyone I worked with,
(shop managers, nc programmers, nc setup men, nc operators, tool crib
managers - everyone except SHOP OWNERS) thought the master tool list
was a major problem and impediment to progress.
    Now that I am a shop owner I see the master tool list as a 'good'
thought. The alzheimer's is starting to kick in. :) I can just
remember enough to not implement a master tool list, YET!!! I am
getting there fast.
    The direct tool number substitution could be python, perl,
spreadsheet, etc....
    I have even thought of a tool description such as:

T01 (1/2 inch DIA, 2 inch LOC, .12 corner radius)

the program would have this description. The control would have a tool
table with this description. The control would read the program,
ignore the T01 but use it only as a tag to match the tool description
in the program with the tool description in the tool table.
    Something completely different would possibly be the better answer.
    I may be asking for magic.
    I have watched tool companies, manufacturing companies and
educational institutions work on this problem. I have seen memory
chips in tool holders, tabs on tool holders and other schemes. Nothing
seems to catch on.
    I don't have any experience with a tool hive that serves more than
one machine automatically. I think if the solution they use for that
was a good, easy solution we would see it, or parts of it, on single
machine setups.
thanks
Stuart

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