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Measuring Threads on the CMM...

Good evening,
What is the best way to measure threads on the CMM? I would just use a thread gage and put it in the report but I was asked to write them in the program. Thank you in advance.
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  • The Leitz B5 controller can scan in the thread flanks. I have used ti many times. it is a little temperamental because it will work perfectly when creating the program and then it wont during execution...
    I measured a drilled / bored hole first. tapped the hole then scanned and was very close. We use thread mills mostly because of the positioning accuracy. Rigid tap holders break too often and floating holders are not that repeatable in location / orientation. for most drill only holes. if your worried about location, drill, bore, mill thread. (IMHO)
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  • The Leitz B5 controller can scan in the thread flanks. I have used ti many times. it is a little temperamental because it will work perfectly when creating the program and then it wont during execution...
    I measured a drilled / bored hole first. tapped the hole then scanned and was very close. We use thread mills mostly because of the positioning accuracy. Rigid tap holders break too often and floating holders are not that repeatable in location / orientation. for most drill only holes. if your worried about location, drill, bore, mill thread. (IMHO)
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