On 3/25/2023 11:05, Alan Ibbetson wrote:
He is returning the tube for me see for myself. And yes, I know the date
code on the one I sent him :-)
I wonder if there could be a subtle way of marking items? One way I ID
items is to compare surface blemishes, but this would only work if you
had photos of a good portion of the tube, especially uniquely
identifying portions, such as a scratch, tarnished fingerprint, et
cetera. I do this with more important items, easily generating 75-100 pics.
I had a problem with a piece of equipment that had gone out for work,
and came back with missing, and different fasteners on it. Between
mis-routed wires, hoses, cables, harnesses, and missing/changed
fasteners, it cost me ~$800, and about a year and a half to straighten out.
Researching marking techniques, I discovered at the time, "proofing
stamps" used in an industry, when an item is tested. I considered
having a unique stamp made for marking parts, and fasteners, but never
followed through.
Here is one company I came across:
https://microstampcorp.com/
I knew a fellow that did a lot of machining that used something like this:
https://microstampcorp.com/portfolio-item/the-trace-mark/
One trick we had in the electronics industry, was to mark bad chips,
mostly Intel, and AMD. We'd take the metal top off, then mark the
traces inside, either our names, or even foul comments (with no names),
if the trace was big enough, then re-seal, and send back.
Imagine writing a sentence on the EDGE of a sheet of paper, in script!
It became a contest.
We never heard if anyone found our messages.
Kurt
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