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Cumulative form variation

Cumulative form variation Per ASME B1.7-2006 Definitions [ back to main page ]

Cumulative form variation: the combined effect on functional size of individual thread variations in lead (pitch), helix, flank angle, taper, and roundness. It is the maximum difference between GO functional diameter size and pitch diameter size taken along and around the axis of the usable thread.

 

Original Posting: 3/20/2012
Last Revision:
Error corrections in, or comments about, the above data can be sent to: gageguy@gagecrib.com

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