ASME B89.7.2 (2014)

Dimensional Measurement Planning

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Annotation and contents

The objective of this Standard is to ensure correctness and acceptability of dimensional measurements. This Standard specifies requirements for preparation and approval of dimensional measurement plans and for the use of approved plans in making dimensional measurements. This Standard considers that a dimensional measurement method is acceptable if its associated measurement uncertainty per the Guide to the Expression of Uncertainty in Measurement (GUM) meets business needs, e.g., cost of measurements, consequences of pass and fail errors, liability, specific policies, and customer requirements. In assessing the acceptability of a stated measuring procedure, management should take into account the importance and difficulty of  evaluating measurement uncertainty in such a way as to quantitatively capture the effects of all significant sources of measurement error.

Intended for process and quality control engineers (dimensional measurement planners) in planning manufacturing-related dimensional measurements.

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