A reader emailed me after reading some of my rants on thread ring gages dealing with the problems that come up in their use and calibration. But he added another dimension to the problem since he is in the calibration business: How do the Europeans deal with their solid thread ring gages?
There was a time when choosing a gaging solution for shaft-type parts was a relatively straightforward task. High-volume parts received a custom-built gage and everything else received a manual or automatic “snap-on” or ring gage of some sort.
There are major technology disruptions afoot in the world of conventional portable metrology. For the better part a decade, 6DoF laser tracking has been the standard go-to technology for metrologists in the large-scale manufacturing sectors.