9. Calculation examples
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Example 1. Measurement of an M 64 × 6 threaded plug: uncertainty on the virtual flank diameter (table 7 )
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Instruments and references used
Length measuring bench, with flat keys, equipped with its own ruler.
Smooth reference pad with a diameter of 50 mm.
Set of three smooth pins with a diameter of w = 3.205 mm.
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Measurement method
Measurement of the diameter on plugs by direct comparison with the smooth reference plug. The diameter of the plugs w is known.
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