Geometrical product specifications (GPS) - General concepts - Part 3: Toleranced features (ISO 17450-3:2016)

ISO 17450-3:2016 gives default definitions for the extracted features (integral or derived) of workpieces, which are toleranced features in GPS specifications (dimensional, geometrical, or surface texture specifications). This part of ISO 17450 defines default geometrical features used to define GPS characteristics.

Geometrische Produktspezifikation (GPS) - Grundlagen - Teil 3: Tolerierte Geometrieelemente (ISO 17450-3:2016)

Dieser Teil von ISO 17450 enthält defaultmäßige Festlegungen für die extrahierten Geometrieelemente (integrale oder abgeleitete) von Werkstücken, die in GPS-Spezifikationen (Maßspezifikation, geometrische Spezifikation oder Spezifikation der Oberflächenbeschaffenheit) als tolerierte Geometrieelemente angesehen werden.

Spécification géométrique des produits (GPS) - Concepts généraux - Partie 3: Éléments tolérancés (ISO 17450-3:2016)

ISO 17450-3:2016 donne les définitions par défaut pour les éléments (intégraux ou dérivés) extraits des pièces, qui sont des éléments tolérancés dans les spécifications GPS (spécifications dimensionnelles, géométriques, ou d'état de surface). La présente partie de l'ISO 17450 définit les éléments géométriques par défaut utilisés pour définir les caractéristiques GPS.

Specifikacija geometrijskih veličin izdelka (GPS) - Splošni pojmi - 3. del: Tolerirane značilnosti (ISO 17450-3:2016)

Ta del standarda ISO 17450 določa pridobljene značilnosti (sestavne ali izpeljane) obdelovancev, ki jih je mogoče obravnavati v specifikaciji geometrijskih veličin izdelka (GPS) (dimenzijska specifikacija, geometrijska specifikacija, specifikacija površinske strukture). Določa pogoje za privzete definicije, npr. kadar na risbi niso podani modifikatorji z razširjeno oznako značilnosti.

General Information

Status
Published
Publication Date
21-Jun-2016
Withdrawal Date
30-Dec-2016
Current Stage
6060 - Definitive text made available (DAV) - Publishing
Start Date
22-Jun-2016
Completion Date
22-Jun-2016

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SLOVENSKI STANDARD
01-september-2016
1DGRPHãþD
SIST EN ISO 14660-2:2002
SIST ISO 14660-2:2002
6SHFLILNDFLMDJHRPHWULMVNLKYHOLþLQL]GHOND *36 6SORãQLSRMPLGHO7ROHULUDQH
]QDþLOQRVWL ,62
Geometrical product specifications (GPS) - General concepts - Part 3: Toleranced
features (ISO 17450-3:2016)
Geometrische Produktspezifikation (GPS) - Grundlagen - Teil 3: tolerierte
Geometrieelemente (ISO 17450-3:2016)
Spécification géométrique des produits (GPS) - Concepts généraux - Partie 3: Éléments
tolérancés (ISO 17450-3:2016)
Ta slovenski standard je istoveten z: EN ISO 17450-3:2016
ICS:
17.040.40 6SHFLILNDFLMDJHRPHWULMVNLK Geometrical Product
YHOLþLQL]GHOND *36 Specification (GPS)
2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.

EN ISO 17450-3
EUROPEAN STANDARD
NORME EUROPÉENNE
June 2016
EUROPÄISCHE NORM
ICS 17.040.01
English Version
Geometrical product specifications (GPS) - General
concepts - Part 3: Toleranced features (ISO 17450-3:2016)
Spécification géométrique des produits (GPS) - Geometrische Produktspezifikation (GPS) - Grundlagen
Concepts généraux - Partie 3: Éléments tolérancés (ISO - Teil 3: Tolerierte Geometrieelemente (ISO 17450-
17450-3:2016) 3:2016)
This European Standard was approved by CEN on 19 December 2015.

CEN members are bound to comply with the CEN/CENELEC Internal Regulations which stipulate the conditions for giving this
European Standard the status of a national standard without any alteration. Up-to-date lists and bibliographical references
concerning such national standards may be obtained on application to the CEN-CENELEC Management Centre or to any CEN
member.
This European Standard exists in three official versions (English, French, German). A version in any other language made by
translation under the responsibility of a CEN member into its own language and notified to the CEN-CENELEC Management
Centre has the same status as the official versions.

CEN members are the national standards bodies of Austria, Belgium, Bulgaria, Croatia, Cyprus, Czech Republic, Denmark, Estonia,
Finland, Former Yugoslav Republic of Macedonia, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania,
Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Romania, Slovakia, Slovenia, Spain, Sweden, Switzerland, Turkey and
United Kingdom.
EUROPEAN COMMITTEE FOR STANDARDIZATION
COMITÉ EUROPÉEN DE NORMALISATION

EUROPÄISCHES KOMITEE FÜR NORMUNG

CEN-CENELEC Management Centre: Avenue Marnix 17, B-1000 Brussels
© 2016 CEN All rights of exploitation in any form and by any means reserved Ref. No. EN ISO 17450-3:2016 E
worldwide for CEN national Members.

Contents Page
European foreword . 3

European foreword
This document (EN ISO 17450-3:2016) has been prepared by Technical Committee ISO/TC 213
"Dimensional and geometrical product specifications and verification" in collaboration with Technical
Committee CEN/TC 290 “Dimensional and geometrical product specification and verification” the
secretariat of which is held by AFNOR.
This European Standard shall be given the status of a national standard, either by publication of an
identical text or by endorsement, at the latest by December 2016, and conflicting national standards
shall be withdrawn at the latest by December 2016.
Attention is drawn to the possibility that some of the elements of this document may be the subject of
patent rights. CEN [and/or CENELEC] shall not be held responsible for identifying any or all such patent
rights.
According to the CEN-CENELEC Internal Regulations, the national standards organizations of the
following countries are bound to implement this European Standard: Austria, Belgium, Bulgaria, Croatia,
Cyprus, Czech Republic, Denmark, Estonia, Finland, Former Yugoslav Republic of Macedonia, France,
Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands,
Norway, Poland, Portugal, Romania, Slovakia, Slovenia, Spain, Sweden, Switzerland, Turkey and the
United Kingdom.
Endorsement notice
The text of ISO 17450-3:2016 has been approved by CEN as EN ISO 17450-3:2016 without any
modification.
INTERNATIONAL ISO
STANDARD 17450-3
First edition
2016-06-01
Geometrical product specifications
(GPS) — General concepts —
Part 3:
Toleranced features
Spécification géométrique des produits (GPS) — Concepts
généraux —
Partie 3: Éléments tolérancés
Reference number
ISO 17450-3:2016(E)
©
ISO 2016
ISO 17450-3:2016(E)
© ISO 2016, Published in Switzerland
All rights reserved. Unless otherwise specified, no part of this publication may be reproduced or utilized otherwise in any form
or by any means, electronic or mechanical, including photocopying, or posting on the internet or an intranet, without prior
written permission. Permission can be requested from either ISO at the address below or ISO’s member body in the country of
the requester.
ISO copyright office
Ch. de Blandonnet 8 • CP 401
CH-1214 Vernier, Geneva, Switzerland
Tel. +41 22 749 01 11
Fax +41 22 749 09 47
copyright@iso.org
www.iso.org
ii © ISO 2016 – All rights reserved

ISO 17450-3:2016(E)
Contents Page
Foreword .iv
Introduction .v
1 Scope . 1
2 Normative references . 1
3 Terms and definitions . 1
4 General . 2
5 Default rules for establishing geometrical features . 5
5.1 General . 5
5.2 Integral feature . 6
5.2.1 General. 6
5.2.2 Extracted integral line . 6
5.2.3 Extracted integral point . 6
5.2.4 Opposing point pair . . 6
5.3 Median feature . 9
5.3.1 General. 9
5.3.2 Median point .12
5.3.3 Median line .15
5.3.4 Median surface .16
Annex A (informative) Relation in the GPS matrix model .18
Bibliography .19
ISO 17450-3:2016(E)
Foreword
ISO (the International Organization for Standardization) is a worldwide federation of national standards
bodies (ISO member bodies). The work of preparing International Standards is normally carried out
through ISO technical committees. Each member body interested in a subject for which a technical
committee has been established has the right to be represented on that committee. International
organizations, governmental and non-governmental, in liaison with ISO, also take part in the work.
ISO collaborates closely with the International Electrotechnical Commission (IEC) on all matters of
electrotechnical standardization.
The procedures used to develop this document and those intended for its further maintenance are
described in the ISO/IEC Directives, Part 1. In particular the different approval criteria needed for the
different types of ISO documents should be noted. This document was drafted in accordance with the
editorial rules of the ISO/IEC Directives, Part 2 (see www.iso.org/directives).
Attention is drawn to the possibility that some of the elements of this document may be the subject of
patent rights. ISO shall not be held responsible for identifying any or all such patent rights. Details of
any patent rights identified during the development of the document will be in the Introduction and/or
on the ISO list of patent declarations received (see www.iso.org/patents).
Any trade name used in this document is information given for the convenience of users and does not
constitute an endorsement.
For an explanation on the meaning of ISO specific terms and expressions related to conformity
assessment, as well as information about ISO’s adherence to the WTO principles in the Technical
Barriers to Trade (TBT) see the following URL: Foreword - Supplementary information
The committee responsible for this document is ISO/TC 213, Dimensional and geometrical product
specifications and verifications.
This first edition of ISO 17450-3 cancels and replaces ISO 14660-2:1999, which has been technically
revised.
ISO 17450 consists of the following parts, under the general title Geometrical product specification
(GPS) — General concepts:
— Part 1: Model for geometrical specification and verification
— Part 2: Basic tenets, specifications, operators, uncertainties and ambiguities
— Part 3: Toleranced features
— Part 4: Geometrical characteristics for quantifying form, orientation, location and run-out deviations
iv © ISO 2016 – All rights reserved

ISO 17450-3:2016(E)
Introduction
This part of ISO 17450 is a geometrical product specifications (GPS) standard and is to be regarded as a
fundamental GPS standard (see ISO 14638). It influences all chain links of all chains of standards in the
general GPS matrix model.
The ISO/GPS matrix model given in ISO 14638 gives an overview of the ISO/GPS system of which this
document is a part. The fundamental rules of ISO/GPS given in ISO 8015 apply to this document and
the default decision rules given in ISO 14253-1 apply to specifications made in accordance with this
document, unless otherwise indicated.
For more detailed information of the relation of this part of ISO 17450 to the GPS matrix model, see
Annex A.
INTERNATIONAL STANDARD ISO 17450-3:2016(E)
Geometrical product specifications (GPS) — General
concepts —
Part 3:
Toleranced features
1 Scope
This part of ISO 17450 gives default definitions for the extracted features (integral or derived) of
workpieces, which are toleranced features in GPS specifications (dimensional, geometrical, or surface
texture specifications). This part of ISO 17450 defines default geometrical features used to define GPS
characteristics.
2 Normative references
The following documents, in whole or in part, are normatively referenced in this document and are
indispensable for its application. For dated references, only the edition cited applies. For undated
references, the latest edition of the referenced document (including any amendments) applies.
ISO 17450-1, Geometrical product specifications (GPS) — General concepts — Part 1: Model for geometrical
specification and verification
ISO 22432, Geometrical product specifications (GPS) — Features utilized in specification and verification
ISO 25378, G
...

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