SIST EN ISO 12180-2:2011

2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.Geometrische Produktspezifikation (GPS) - Zylindrizität - Teil 2: Spezifikationsoperatoren (ISO 12180-2:2011)Spécification géométrique des produits (GPS) - Cylindricité - Partie 2: Opérateurs de spécification (ISO 12180-2:2011)Geometrical product specifications (GPS) - Cylindricity - Part 2: Specification operators (ISO 12180-2:2011)17.040.20Lastnosti površinProperties of surfacesICS:Ta slovenski standard je istoveten z:EN ISO 12180-2:2011SIST EN ISO 12180-2:2011en,fr,de01-november-2011SIST EN ISO 12180-2:2011SLOVENSKI
STANDARDSIST-TS CEN ISO/TS 12180-2:20081DGRPHãþD

EUROPEAN STANDARD NORME EUROPÉENNE EUROPÄISCHE NORM
EN ISO 12180-2
April 2011 ICS 17.040.20 Supersedes CEN ISO/TS 12180-2:2007English Version
Geometrical product specifications (GPS) - Cylindricity - Part 2: Specification operators (ISO 12180-2:2011)
Spécification géométrique des produits (GPS) - Cylindricité - Partie 2: Opérateurs de spécification (ISO 12180-2:2011) Geometrische Produktspezifikation (GPS) - Zylindrizität - Teil 2: Spezifikationsoperatoren (ISO 12180-2:2011) 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.
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Reference numberISO 12180-2:2011(E)© ISO 2011
INTERNATIONAL STANDARD ISO12180-2First edition2011-04-01Geometrical product specifications (GPS) — Cylindricity — Part 2: Specification operators Spécification géométrique des produits (GPS) — Cylindricité — Partie 2: Opérateurs de spécification
ISO 12180-2:2011(E)
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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.
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ii © ISO 2011 – All rights reserved
ISO 12180-2:2011(E) © ISO 2011 – All rights reserved iii Contents Page Foreword.iv Introduction.v 1 Scope.1 2 Normative references.1 3 Terms and definitions.1 4 Complete specification operator.2 4.1 General.2 4.2 Probing system.2 5 Compliance with the specification.2 Annex A (informative)
Harmonic content of nominally cylindrical workpiece and extraction strategy.3 Annex B (informative)
Extraction strategies.7 Annex C (informative)
Relationship to the GPS matrix model.10 Bibliography.12
ISO 12180-2:2011(E) iv © ISO 2011 – All rights reserved 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 12180-2 was prepared by Technical Committee ISO/TC 213, Dimensional and geometrical product specifications and verification. This first edition of ISO 12180-2 cancels and replaces ISO/TS 12180-2:2003, 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 SIST EN ISO 12180-2:2011

ISO 12180-2:2011(E) © ISO 2011 – All rights reserved v 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 3 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 C. This part of ISO 12180 specifies the specification operators according to ISO 17450-2 for cylindricity of integral features. At the time of publication of this part of ISO 12180, ISO/TC 213 has not been able to reach consensus on defaults for filter undulation per revolution (UPR), probe tip radius and method of association (reference cylinder). This means that it is necessary for a cylindricity specification to explicitly state which values are intended for use with these specification operations in order for it to be unique. Consequently, if a specification does not explicitly state which values are to be used for one or more of these operators, the specification is ambiguous (see ISO 17450-2) and a supplier can use any value for the operator(s) not specified when proving conformance. 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. NOTE 1 Stylus filtering is not sufficient on its own to smooth a profile. In certain circumstances, it can create spurious high-frequency content, thus giving incorrect values. To correct this, a longwave pass filter is employed. A Gaussian filter is used, since this is the state-of-the-art in International Standards. This filter has some shortcomings, e.g. it can distort, rather than eliminate some roughness features and it can distort, rather than transmit correctly some waviness features. It is envisioned that new filters under development within ISO provide better solutions for several of these issues. NOTE 2 If a smaller tip radius than the one specified is used for a given cut-off length, the resulting measured value is generally higher. This effect is usually insignificant. If a larger tip radius is used, the resulting measured value is generally lower. The amount of change is heavily dependent on the surface measured. NOTE 3 The measuring force of 0 N is chosen to eliminate effects of elastic deformation of the workpiece from the specification operator. On metal surfaces with adequate thickness, the effect of normally occurring measuring forces is negligible. NOTE 4 Aliasing and other problems during extraction (see Annex A) due to the higher harmonic content of the skin model, in the roundness and straightness directions, can cause specification uncertainty. This part of ISO 12180 is not intended to disallow any means of measuring cylindricity.
INTERNATIONAL STANDARD ISO 12180-2:2011(E) © ISO 2011 – All rights reserved 1 Geometrical product specifications (GPS) — Cylindricity — Part 2: Specification operators 1 Scope This part of ISO 12180 specifies the complete specification operator for cylindricity of complete integral features only, i.e. geometrical characteristics of features of type cylinder. 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 12180-1:2011, Geometrical product specifications (GPS) — Cylindricity — Part 1: Vocabulary and parameters of cylindrical form 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 14253-1:1998, Geometrical Product Specifications (GPS) — Inspection by measurement of workpieces and measuring equipment — Part 1: Decision rules for proving conformance or non-conformance with specifications ISO 17450-2:—1), Geometrical product specifications (GPS) — General concepts — Part 2: Basic tenets, specifications,
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