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EN ISO 18391:2016

Current

Current

The latest, up-to-date edition.

Geometrical product specifications (GPS) - Population specification (ISO 18391:2016)

Published date

02-11-2016

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European foreword
Foreword
Introduction
1 Scope
2 Normative references
3 Terms and definitions
4 Rules for establishing a population specification
5 Symbol used to specify a population specification
6 Rules for indicating a population specification
Annex A (informative) - Relation in the GPS matrix model
Bibliography

ISO 18391:2016 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 ISO 18391:2016 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.

Committee
CEN/TC 290
DocumentType
Standard
PublisherName
Comite Europeen de Normalisation
Status
Current

ISO 8015:2011 Geometrical product specifications (GPS) Fundamentals Concepts, principles and rules
ISO 14638:2015 Geometrical product specifications (GPS) Matrix model
ISO/TS 17863:2013 Geometrical product specification (GPS) Tolerancing of moveable assemblies
ISO 22514-1:2014 Statistical methods in process management — Capability and performance — Part 1: General principles and concepts
ISO 1101:2017 Geometrical product specifications (GPS) — Geometrical tolerancing — Tolerances of form, orientation, location and run-out
ISO 14253-1:2017 Geometrical product specifications (GPS) — Inspection by measurement of workpieces and measuring equipment — Part 1: Decision rules for verifying conformity or nonconformity with specifications
ISO 17450-1:2011 Geometrical product specifications (GPS) — General concepts — Part 1: Model for geometrical specification and verification
ISO 14405-1:2016 Geometrical product specifications (GPS) — Dimensional tolerancing — Part 1: Linear sizes

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