I.S. EN ISO 21920-1:2022
Current
The latest, up-to-date edition.
Geometrical product specifications (GPS) - Surface texture: Profile - Part 1: Indication of surface texture (ISO 21920- 1:2021)
Hardcopy , PDF
English
02-16-2022
For Harmonized Standards, check the EU site to confirm that the Standard is cited in the Official Journal.
Only cited Standards give presumption of conformance to New Approach Directives/Regulations.
Foreword
Introduction
1 Scope
2 Normative references
3 Terms and definitions
4 Tolerance acceptance rules
5 Specification elements for indication of profile surface texture specifications
6 Indication of profile surface texture
7 Rules for indication of profile surface texture specifications
8 Position on technical product documentation
9 Simplified and additional indications
Annex A (normative) Proportions and dimensions of graphical symbols
Annex B (normative) Filter symbols for profile surface texture
Annex C (normative) Symbols for association methods and association elements
Annex D (informative) Indications for unambiguous surface profile specification
Annex E (normative) Inspection procedure for the 16 % tolerance acceptance rule
Annex F (informative) Criteria for the use of the maximum tolerance acceptance rule as the default
Annex G (informative) New issues and changes to previous documents
Annex H (informative) Overview of profile and areal standards in the GPS matrix model
Annex I (informative) Relation to the GPS matrix model
Bibliography
Important note : All end users must be registered with an Account prior to user licenses being assigned.Access your standards online with a subscription
Features
-
Simple online access to standards, technical information and regulations.
-
Critical updates of standards and customisable alerts and notifications.
-
Multi-user online standards collection: secure, flexible and cost effective.