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CAM2

Measure X

Measure 3/4

FARO® Knowledge Base

Calculating True Position in Measure X, 4 or 3

To calculate and report True Position in Measure, 2 main things are needed- an alignment (typical CAD = PART or Iterative) and nominals.

-Once an alignment has been made, measure the feature(s) that require True Position.
-Once measured, go to the nominals tab in the Results window or in Review Features and Key-in the nominal, pick the nominal from screen, or associate the proper nominal in the dropdown box.
-Next, in the Results window or in Review features, go to the Tolerance tab. A checkbox should exist for RFS (Regardless of Feature Size) or MMC (Maximum Material Condition).
-Click the corresponding checkbox on. Double click the Tolerance field to key in a tolerance value from your print.
-Push OK to accept all results.

Alternatively, once the customer accepts the results, he or she can go to the GD&T menu, and select Position. The position window will appear and the customer can choose between RFS (the top field) or MMC (the bottom field). IN the "Select a Feature" dropdown, the customer can select the feature in question. Once OK is pressed, the customer can then go into the Tolerances tab and choose whether he or she wants RFS or MMC reported.



 

Keywords: true position, true position calculation, rfs, regardless of feature size, mmc, lmc, maximum material condition