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How Did You Get Into CMM Programming?

Just as the title says - how'd you first make your stake as a CMM programmer?

For me it was when a recruiter on LinkedIn randomly reached out to me asking if I was interested in being a Metrologist for an international company while I was working as a Quality Inspector at a job shop in 2020, just before the pandemic. I knew nothing about Metrology/CMM programming until I blew the technical portion of the interview process and got hired anyway haha! Ended up being mentored by a professional for 2 years before moving onto a specialized CMM programming gig at another company in 2022.

I figured - as it seems like a lot of us got on-the-job training for CMM programming, you guys/gals must have some interesting stories to share about how you got to where you are now, as CMM programmers.
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  • Like Cris_C , in 1995, I was learning to get a engineering degree ( night and weekends) while I worked in a lab, and I had to study the capability of a measuring column, with a set of gauge blocks, a thermometer in a shop without air conditioner (it was in july !). I couldn't understand what I was measuring... I then understood that the results were changed in a function of the coef. of thermal expansion of the scale, glass made. I found it was exiting !
    Then, with a lever comparator and a rotary (yeeeees ! my first one Wink), I wrote some excel sheets to get flatness, circularity, concentricty on circular parts, and tell to my boss that a cmm could give more results.
    We get an old manual Johansson (Cordimet 1200 with Flexylearn), which was to small for our parts, but usefull enough to prove that a cmm was the right solution. The boss bought a Chameleon, with PC-DMIS 2.06xxxx, with a SP600, a rotary (Slight smile), and it was the start !
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  • Like Cris_C , in 1995, I was learning to get a engineering degree ( night and weekends) while I worked in a lab, and I had to study the capability of a measuring column, with a set of gauge blocks, a thermometer in a shop without air conditioner (it was in july !). I couldn't understand what I was measuring... I then understood that the results were changed in a function of the coef. of thermal expansion of the scale, glass made. I found it was exiting !
    Then, with a lever comparator and a rotary (yeeeees ! my first one Wink), I wrote some excel sheets to get flatness, circularity, concentricty on circular parts, and tell to my boss that a cmm could give more results.
    We get an old manual Johansson (Cordimet 1200 with Flexylearn), which was to small for our parts, but usefull enough to prove that a cmm was the right solution. The boss bought a Chameleon, with PC-DMIS 2.06xxxx, with a SP600, a rotary (Slight smile), and it was the start !
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