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ISO 18391

Geometrical product specifications (GPS) - Population specification

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Organization: ISO
Publication Date: 1 October 2016
Status: active
Page Count: 24
ICS Code (Linear and angular measurements in general): 17.040.01
scope:

This International Standard defines rules to establish and to indicate population specifications, which are used to specify conditions on population characteristics, which are established from a set of characteristic values obtained one on each workpiece of a population of workpieces.

A population specification (as applied to a population of workpieces considered as a collection and not as individual items) can be seen as a complementary requirement to the individual specification (as applied to each workpiece considered as individual items). Population specifications express the statistical hypotheses used on the population of workpieces.

NOTE 1 A population specification is a complement to an individual GPS specification.

NOTE 2 This International Standard is not intended to mandate a given tolerancing method or how to calculate tolerance values. Its intent is to specify tools to allow the expression of population specifications.

Document History

ISO 18391
October 1, 2016
Geometrical product specifications (GPS) - Population specification
This International Standard defines rules to establish and to indicate population specifications, which are used to specify conditions on population characteristics, which are established from a set...

References

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