EN ISO 21920-1:2022

Geometrical product specifications (GPS) - Surface texture: Profile - Part 1: Indication of surface texture (ISO 21920-1:2021)

This document specifies the rules for indication of surface texture by profile methods in technical product documentation by means of graphical symbols.
This document does not cover population requirements.
NOTE       See ISO 18391 for population (batch) specifications.

Geometrische Produktspezifikation (GPS) - Oberflächenbeschaffenheit: Profile - Teil 1: Angabe der Oberflächenbeschaffenheit (ISO 21920-1:2021)

Dieses Dokument legt Regeln für die Angabe der Oberflächenbeschaffenheit nach dem Tastschnittverfahren in der technischen Produktdokumentation mittels graphischer Symbole fest.
Dieses Dokument behandelt keine Populationsanforderungen.
ANMERKUNG   Siehe ISO 18391 für Populationsspezifikationen.

Spécification géométrique des produits (GPS) - État de surface: Méthode du profil - Partie 1: Indication des états de surface (ISO 21920-1:2021)

Le présent document spécifie les règles d'indication des états de surface par des méthodes de profil dans la documentation technique des produits au moyen de symboles graphiques.
Le présent document ne couvre pas les exigences de population.
NOTE            Voir la norme ISO 18391 pour les spécifications de la population (lot).

Specifikacija geometrijskih veličin izdelka (GPS) - Tekstura površine: profil - 1. del: Označevanje površinskih tekstur (ISO 21920-1:2021)

Ta dokument določa pravila za označevanje tekstur površine s profilnimi metodami v tehnični dokumentaciji izdelkov z grafičnimi simboli.
Ta dokument ne zajema zahtev glede populacije.
OPOMBA: Za populacijske (serijske) specifikacije glej standard ISO 18391.

General Information

• Status: Published
• Publication Date: 18-Jan-2022
• Withdrawal Date: 30-Jul-2022
• ICS: 17.040.40 - Geometrical Product Specification (GPS)
• Technical Committee: CEN/TC 290 - Dimensional and geometrical product specification and verification
• Drafting Committee: CEN/TC 290 - Dimensional and geometrical product specification and verification
• Current Stage: 6060 - Definitive text made available (DAV) - Publishing
• Start Date: 19-Jan-2022
• Completion Date: 19-Jan-2022
• Ref Project: SIST EN ISO 21920-1:2022 - Geometrical product specifications (GPS) - Surface texture: Profile - Part 1: Indication of surface texture (ISO 21920-1:2021)

Relations

• Replaces: EN ISO 1302:2002 - Geometrical Product Specifications (GPS) - Indication of surface texture in technical product documentation (ISO 1302:2002)
• Effective Date: 26-Jan-2022

Standards Content (Sample)

SLOVENSKI STANDARD
01-marec-2022
Nadomešča:
SIST EN ISO 1302:2004
Specifikacija geometrijskih veličin izdelka (GPS) - Tekstura površine: profil - 1. del:
Označevanje površinskih tekstur (ISO 21920-1:2021)
Geometrical product specifications (GPS) - Surface texture: Profile - Part 1: Indication of
surface texture (ISO 21920-1:2021)
Geometrische Produktspezifikation (GPS) - Oberflächenbeschaffenheit: Profile - Teil 1:
Angabe der Oberflächenbeschaffenheit (ISO 21920-1:2021)
Spécification géométrique des produits (GPS) - État de surface: Méthode du profil -
Partie 1: Indication des états de surface (ISO 21920-1:2021)
Ta slovenski standard je istoveten z: EN ISO 21920-1:2022
ICS:
17.040.20 Lastnosti površin Properties of surfaces
17.040.40 Specifikacija geometrijskih Geometrical Product
veličin izdelka (GPS) Specification (GPS)
2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.

EN ISO 21920-1
EUROPEAN STANDARD
NORME EUROPÉENNE
January 2022
EUROPÄISCHE NORM
ICS 17.040.40 Supersedes EN ISO 1302:2002
English Version
Geometrical product specifications (GPS) - Surface texture:
Profile - Part 1: Indication of surface texture (ISO 21920-
1:2021)
Spécification géométrique des produits (GPS) - État de Geometrische Produktspezifikation (GPS) -
surface: Méthode du profil - Partie 1: Indication des Oberflächenbeschaffenheit: Profile - Teil 1: Angabe der
états de surface (ISO 21920-1:2021) Oberflächenbeschaffenheit (ISO 21920-1:2021)
This European Standard was approved by CEN on 27 November 2021.

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, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway,
Poland, Portugal, Republic of North Macedonia, Romania, Serbia, 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: Rue de la Science 23, B-1040 Brussels
© 2022 CEN All rights of exploitation in any form and by any means reserved Ref. No. EN ISO 21920-1:2022 E
worldwide for CEN national Members.

Contents Page
European foreword . 3

European foreword
This document (EN ISO 21920-1:2022) 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 July 2022, and conflicting national standards shall be
withdrawn at the latest by July 2022.
Attention is drawn to the possibility that some of the elements of this document may be the subject of
patent rights. CEN shall not be held responsible for identifying any or all such patent rights.
This document supersedes EN ISO 1302:2002.
Any feedback and questions on this document should be directed to the users’ national standards
body/national committee. A complete listing of these bodies can be found on the CEN website.
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, France, Germany, Greece, Hungary, Iceland,
Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Republic of
North Macedonia, Romania, Serbia, Slovakia, Slovenia, Spain, Sweden, Switzerland, Turkey and the
United Kingdom.
Endorsement notice
The text of ISO 21920-1:2021 has been approved by CEN as EN ISO 21920-1:2022 without any
modification.
INTERNATIONAL ISO
STANDARD 21920-1
First edition
2021-12
Geometrical product specifications
(GPS) — Surface texture: Profile —
Part 1:
Indication of surface texture
Spécification géométrique des produits (GPS) — État de surface:
Méthode du profil —
Partie 1: Indication des états de surface
Reference number
ISO 21920-1:2021(E)
ISO 21920-1:2021(E)
© ISO 2021
All rights reserved. Unless otherwise specified, or required in the context of its implementation, 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
CP 401 • Ch. de Blandonnet 8
CH-1214 Vernier, Geneva
Phone: [phone]
Email: [e-mail]
Website: www.iso.org
Published in Switzerland
ii
ISO 21920-1:2021(E)
Contents Page
Foreword .v
Introduction . vi
1 Scope . 1
2 Normative references . 1
3 Terms and definitions . 1
4 Tolerance acceptance rules .1
4.1 General . 1
4.2 Maximum tolerance acceptance rule . 2
4.3 16 % tolerance acceptance rule . 2
4.4 Median tolerance acceptance rule . 2
5 Specification elements for indication of profile surface texture specifications .3
5.1 General . 3
5.2 Mandatory indication to be explicitly specified . 3
5.3 Optional indications to specify non-default or further requirements . 3
6 Indication of profile surface texture .4
6.1 General . 4
6.2 Graphical symbols . 4
6.3 Minimal indication . 5
6.3.1 General . 5
6.3.2 Minimal indication for parameters with defined defaults. 5
6.3.3 Minimal indication for parameters without defined defaults . 5
6.4 Complete indication . 6
6.4.1 General . 6
6.4.2 Complete indication for evaluation length R-parameters . 7
6.4.3 Complete indication for section length R-parameters . 8
6.4.4 Complete indication for evaluation length P-parameters and W-parameters . 9
6.4.5 Complete indication for section length P-parameters and W-parameters . 10
7 Rules for indication of profile surface texture specifications .10
7.1 General . 10
7.2 Graphical symbol for the indication of profile surface texture specifications . 11
7.3 Profile surface texture parameter . 11
7.4 Tolerance limit value of the profile surface texture parameter . 11
7.5 Tolerance types . 11
7.6 Tolerance acceptance rule . 11
7.7 Profile S-filter type . 11
7.8 Profile S-filter nesting index . 11
7.9 Profile L-filter type (for R-parameter) or profile S-filter type (for W-parameter) .12
7.10 Profile L-filter nesting index (for R-parameter) or profile S-filter nesting index
(for W-parameter) . 12
7.11 Evaluation length .12
7.12 Section length . 12
7.13 Number of sections .12
7.14 Profile F-operator association method and element .12
7.15 Profile F-operator nesting index .12
7.16 Method of profile extraction .13
7.17 Other requirements, OR(n) .13
7.18 Manufacturing process .13
7.19 Surface lay and direction of lay .
...