Geometrical product specifications (GPS) - Cylindricity - Part 1: Vocabulary and parameters of cylindrical form (ISO 12180-1:2011)

ISO 12180-1:2011 defines the terms and concepts related to cylindricity of individual complete integral features only.

Geometrische Produktspezifikation (GPS) - Zylindrizität - Teil 1: Begriffe und Kenngrößen der Zylinderform (ISO 12180-1:2011)

Dieser Teil von ISO 12180 definiert nur Begriffe im Zusammenhang mit der Zylindrizität von einzelnen, vollständigen Geometrieelementen.

Spécification géométrique des produits (GPS) - Cylindricité - Partie 1: Vocabulaire et paramètres de cylindricité (ISO 12180-1:2011)

L'ISO 12180-1:2011 définit les termes et concepts liés uniquement à la cylindricité des éléments intégraux complets individuels.

Specifikacija geometrijskih veličin izdelka - Cilindričnost - 1. del: Slovar in parametri valjaste oblike (ISO 12180-1:2011)

Ta del ISO 12180 določa izraze in koncepte, povezane s cilindričnostjo posameznih samo vgrajenih funkcij.

General Information

Status
Published
Publication Date
31-Mar-2011
Current Stage
6060 - Definitive text made available (DAV) - Publishing
Due Date
01-Apr-2011
Completion Date
01-Apr-2011

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SLOVENSKI STANDARD
SIST EN ISO 12180-1:2011
01-november-2011
1DGRPHãþD
SIST-TS CEN ISO/TS 12180-1:2008
6SHFLILNDFLMDJHRPHWULMVNLKYHOLþLQL]GHOND&LOLQGULþQRVWGHO6ORYDULQ
SDUDPHWULYDOMDVWHREOLNH ,62
Geometrical product specifications (GPS) - Cylindricity - Part 1: Vocabulary and
parameters of cylindrical form (ISO 12180-1:2011)
Geometrische Produktspezifikation (GPS) - Zylindrizität - Teil 1: Begriffe und
Kenngrößen der Zylinderform (ISO 12180-1:2011)

Spécification géométrique des produits (GPS) - Cylindricité - Partie 1: Vocabulaire et

paramètres de cylindricité (ISO 12180-1:2011)
Ta slovenski standard je istoveten z: EN ISO 12180-1:2011
ICS:
01.040.17 Meroslovje in merjenje. Metrology and measurement.
Fizikalni pojavi (Slovarji) Physical phenomena
(Vocabularies)
17.040.20 Lastnosti površin Properties of surfaces
SIST EN ISO 12180-1:2011 en,fr,de

2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.

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SIST EN ISO 12180-1:2011
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SIST EN ISO 12180-1:2011
EUROPEAN STANDARD
EN ISO 12180-1
NORME EUROPÉENNE
EUROPÄISCHE NORM
April 2011
ICS 01.040.17; 17.040.20 Supersedes CEN ISO/TS 12180-1:2007
English Version
Geometrical product specifications (GPS) - Cylindricity - Part 1:
Vocabulary and parameters of cylindrical form (ISO 12180-
1:2011)

Spécification géométrique des produits (GPS) - Cylindricité Geometrische Produktspezifikation (GPS) - Zylindrizität -

- Partie 1: Vocabulaire et paramètres de cylindricité (ISO Teil 1: Begriffe und Kenngrößen der Zylinderform (ISO

12180-1:2011) 12180-1:2011)
This European Standard was approved by CEN on 26 February 2011.

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, Romania, Slovakia, Slovenia, Spain, Sweden, Switzerland and United Kingdom.

EUROPEAN COMMITTEE FOR STANDARDIZATION
COMITÉ EUROPÉEN DE NORMALISATION
EUROPÄISCHES KOMITEE FÜR NORMUNG
Management Centre: Avenue Marnix 17, B-1000 Brussels

© 2011 CEN All rights of exploitation in any form and by any means reserved Ref. No. EN ISO 12180-1:2011: E

worldwide for CEN national Members.
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SIST EN ISO 12180-1:2011
EN ISO 12180-1:2011 (E)
Contents Page

Foreword ..............................................................................................................................................................3

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SIST EN ISO 12180-1:2011
EN ISO 12180-1:2011 (E)
Foreword

This document (EN ISO 12180-1:2011) 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 October 2011, and conflicting national standards shall be withdrawn at

the latest by October 2011.

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.

This document supersedes CEN ISO/TS 12180-1:2007.

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, Romania, Slovakia, Slovenia, Spain,

Sweden, Switzerland and the United Kingdom.
Endorsement notice

The text of ISO 12180-1:2011 has been approved by CEN as a EN ISO 12180-1:2011 without any

modification.
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SIST EN ISO 12180-1:2011
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SIST EN ISO 12180-1:2011
INTERNATIONAL ISO
STANDARD 12180-1
First edition
2011-04-01
Geometrical product specifications
(GPS) — Cylindricity —
Part 1:
Vocabulary and parameters of cylindrical
form
Spécification géométrique des produits (GPS) — Cylindricité —
Partie 1: Vocabulaire et paramètres de cylindricité
Reference number
ISO 12180-1:2011(E)
ISO 2011
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SIST EN ISO 12180-1:2011
ISO 12180-1:2011(E)
COPYRIGHT PROTECTED DOCUMENT
© ISO 2011

All rights reserved. Unless otherwise specified, no part of this publication may be reproduced or utilized in any form or by any means,

electronic or mechanical, including photocopying and microfilm, without permission in writing from either ISO at the address below or

ISO's member body in the country of the requester.
ISO copyright office
Case postale 56 • CH-1211 Geneva 20
Tel. + 41 22 749 01 11
Fax + 41 22 749 09 47
E-mail copyright@iso.org
Web www.iso.org
Published in Switzerland
ii © ISO 2011 – All rights reserved
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SIST EN ISO 12180-1:2011
ISO 12180-1:2011(E)
Contents Page

Foreword ............................................................................................................................................................iv

Introduction.........................................................................................................................................................v

1 Scope......................................................................................................................................................1

2 Normative references............................................................................................................................1

3 Terms and definitions ...........................................................................................................................1

3.1 General terms ........................................................................................................................................2

3.2 Terms relating to the surface ...............................................................................................................2

3.3 Terms relating to the reference cylinder.............................................................................................4

3.4 Terms relating to the circumference and the generatrix...................................................................5

3.5 Terms relating to parameters...............................................................................................................5

4 Radial cross-section deviations ..........................................................................................................8

5 Straightness deviations........................................................................................................................8

Annex A (informative) Mathematical definition of cylindricity tolerances of nominal integral

features...................................................................................................................................................9

Annex B (informative) Consideration in the assessment of deviations from cylindrical form.................10

Annex C (informative) Synoptic tables of terms, abbreviated terms and parameters...............................12

Annex D (informative) Relationship to the GPS matrix model .....................................................................14

Bibliography......................................................................................................................................................16

© ISO 2011 – All rights reserved iii
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SIST EN ISO 12180-1:2011
ISO 12180-1:2011(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.

International Standards are drafted in accordance with the rules given in the ISO/IEC Directives, Part 2.

The main task of technical committees is to prepare International Standards. Draft International Standards

adopted by the technical committees are circulated to the member bodies for voting. Publication as an

International Standard requires approval by at least 75 % of the member bodies casting a vote.

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.

ISO 12180-1 was prepared by Technical Committee ISO/TC 213, Dimensional and geometrical product

specifications and verification.

This first edition of ISO 12180-1 cancels and replaces ISO/TS 12180-1:2003, which has been technically

revised.

ISO 12180 consists of the following parts, under the general title Geometrical product specifications (GPS) —

Cylindricity:
⎯ Part 1: Vocabulary and parameters of cylindrical form
⎯ Part 2: Specification operators
iv © ISO 2011 – All rights reserved
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SIST EN ISO 12180-1:2011
ISO 12180-1:2011(E)
Introduction

This part of ISO 12180 is a geometrical product specification (GPS) standard and is to be regarded as a

general GPS standard (see ISO/TR 14638). It influences chain link 2 of the chain of standards on form of a

surface (independent of a datum).

The ISO/GPS Masterplan given in ISO/TR 14638 gives an overview of the ISO/GPS system of which this part

of ISO 12180 is a part. The fundamental rules of ISO/GPS given in ISO 8015 apply to this part of ISO 12180

and the default decision rules given in ISO 14253-1 apply to specifications made in accordance with this part

of ISO 12180, unless otherwise indicated.

For more detailed information on the relationship of this part of ISO 12180 to other standards and the GPS

matrix model, see Annex D.

This part of ISO 12180 defines terms and concepts necessary for defining the specification operators

according to ISO 17450-2 for cylindricity of integral features.

Extracting data always involves applying a certain filtering process. An additional filtering of the extracted data

might or might not be applied. This additional filter can be a mean line filter (Gaussian, spline, wavelet, etc.) or

a non-linear filter (e.g. morphological filter). The type of filtering influences the definition of cylindricity and the

specification operators and, therefore, needs to be stated unambiguously.

This part of ISO 12180 is not intended to disallow any means of measuring cylindricity.

© ISO 2011 – All rights reserved v
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SIST EN ISO 12180-1:2011
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SIST EN ISO 12180-1:2011
INTERNATIONAL STANDARD ISO 12180-1:2011(E)
Geometrical product specifications (GPS) — Cylindricity —
Part 1:
Vocabulary and parameters of cylindrical form
1 Scope

This part of ISO 12180 defines the terms and concepts related to cylindricity of individual complete integral

features only.
2 Normative references

The following referenced documents are indispensable for the application of this document. For dated

references, only the edition cited applies. For undated references, the latest edition of the referenced

document (including any amendments) applies.

ISO 11562:1996, Geometrical Product Specifications (GPS) — Surface texture: Profile method — Metrological

characteristics of phase correct filters

ISO 12181-1:2011, Geometrical product specifications (GPS) — Roundness — Part 1: Vocabulary and

parameters of roundness

ISO 12780-1:2011, Geometrical product specifications (GPS) — Straightness — Part 1: Vocabulary and

parameters of straightness

ISO 14660-1:1999, Geometrical Product Specifications (GPS) — Geometrical features — Part 1: General

terms and definitions

ISO 14660-2:1999, Geometrical Product Specifications (GPS) — Geometrical features — Part 2: Extracted

median line of a cylinder and a cone, extracted median surface, local size of an extracted feature

ISO 17450-1:— , Geometrical product specifications (GPS) — General concepts — Part 1: Model for geo-

metrical specification and verification
3 Terms and definitions

For the purposes of this document, the terms and definitions given in ISO 11562, ISO 12181-1, ISO 12780-1,

ISO 14660-1, ISO 14660-2, ISO 17450-1 and the following apply.
1) To be published. (Revision of ISO/TS 17450-1:2005)
© ISO 2011 – All rights reserved 1
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SIST EN ISO 12180-1:2011
ISO 12180-1:2011(E)
3.1 General terms
3.1.1
cylindricity
property of a cylinder
3.1.2
nominal cylinder
mathematically cylindrical form as specified by design intent

NOTE For the purposes of this part of ISO 12180, the term “form of a nominal cylinder” is understood to mean the

form of a right circular cylinder (i.e. it has a right angle between the cylinder axis and every circular cross-section).

3.1.3
generatrix plane
half plane through the axis of the associated cylinder
3.2 Terms relating to the surface
3.2.1
extracted surface
〈cylindricity〉 digital representation of the real surface

NOTE The extraction conventions for cylindricity are given in ISO 12180-2. This extracted surface is an extracted

integral feature as defined in ISO 14660-1.
3.2.2
cylindricity surface
extracted surface (type cylinder) intentionally modified by a filter

NOTE This is the surface to which the concepts and parameters of this part of ISO 12180 can be applied.

3.2.3
local cylindricity deviation

deviation of a point on a cylindricity surface from the reference cylinder, the deviation being normal to the

reference cylinder
See Figures 1 and 2.

NOTE 1 The deviation is negative if from the reference cylinder the point lies in the direction of the material.

NOTE 2 For the reference cylinder, see 3.3.1.
2 © ISO 2011 – All rights reserved
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SIST EN ISO 12180-1:2011
ISO 12180-1:2011(E)
Key
1 reference cylinder
Positive local deviation.
Negative local deviation.
Figure 1 — Local form deviation of an external cylindrical feature
Key
1 reference cylinder
Negative local deviation.
Positive local deviation.
Figure 2 — Local form deviation of an internal cylindrical feature
3.2.4
extracted generatrix line

digital representation of the line of intersection of the real surface and a generatrix plane

NOTE The extraction conventions for cylindricity are given in ISO 12180-2. This extracted surface is an extracted

integral feature as defined in ISO 14660-1.
3.2.5
generatrix profile
extracted generatrix line intentionally modified by a filter
© ISO 2011 – All rights reserved 3
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SIST EN ISO 12180-1:2011
ISO 12180-1:2011(E)
3.2.6
local generatrix deviation

deviation of a point on a generatrix from the reference line, the deviation being normal to the reference line

NOTE 1 The deviation is negative if from the reference line the point lies in the direction of the material.

NOTE 2 This definition is similar to ISO 12780-1:2011, definition 3.2.4: local straightness deviation.

3.3 Terms relating to the reference cylinder
3.3.1
reference cylinder

associated cylinder fitting the cylindricity surface in accordance with specified conventions, to which the

deviations from cylindrical form and the cylindricity parameters are referred
3.3.1.1
minimum zone reference cylinders

two coaxial cylinders enclosing the cylindricity surface and having the least radial separation

NOTE The abbreviated term MZ is used to refer to minimum zone reference elements.

3.3.1.1.1
...

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