In reply caseynick's statement,
So lets say that my holes deviations are split between positive X and negative X values from true center. Wouldn't that calculate the FRTZF values bigger than the PLTZF values?
The CMM software I am using has a reporting statement for composite position that I would expect to properly calculate the both the PLTZF and FRTZF tolerances. I align the part to determine that datum, then measure the holes as circles. I then tell the program to first report the individual...
I am inspecting a part on a CMM that has holes toleranced with composite true positioning. The PLTZF has an MMC tolerance of .030 and the FRTZF has a MMC tolerance of .015 with no datums referenced.
Reviewing data from the CMM report I am seeing that the PLTZF positions are good with...