True Positional Diameter Calculator Download from App Store
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True Positional Diameter Calculator app for iPhone and iPad


4.4 ( 8734 ratings )
Utilities Reference
Developer: Richard Gobeil
0.99 USD
Current version: 1.3, last update: 7 years ago
First release : 28 May 2010
App size: 86.65 Kb

A manufacturing inspection aid for comparing positional tolerance diameters of any two co-ordinate tolerances. Use the sliders to select the actual Delta X & Y amount as measured or use the sliders to select an arbitrary figure for the Delta X and Delta Y to analyze the results of a hypothetical condition. The answer will appear to the left of "= True Pos. Dia.” Using either method provides an instant comparison of the specified True Position Tolerance Diameter.