BS EN ISO 15530-3-2011 Geometrical product specifications (GPS) Coordinate measuring machines (CMM) Technique for determining the uncertainty of measurement Use of calibrated workp.pdf

1、raising standards worldwideNO COPYING WITHOUT BSI PERMISSION EXCEPT AS PERMITTED BY COPYRIGHT LAWBSI Standards PublicationBS EN ISO 15530-3:2011Geometrical productspecifications (GPS) Coordinate measuringmachines (CMM): Technique fordetermining the uncertainty ofmeasurementPart 3: Use of calibrated

2、workpiecesor measurement standards (ISO15530-3:2011)BS EN ISO 15530-3:2011 BRITISH STANDARDNational forewordThis British Standard is the UK implementation of EN ISO 15530-3:2011. It supersedes DDCENISO/TS15530-3:2007 which is withdrawn.The UK participation in its preparation was entrusted to Technic

3、al Committee TDW/4, Technical Product Realization.A list of organizations represented on this committee can be obtained on request to its secretary.This publication does not purport to include all the necessary provisions of a contract. Users are responsible for its correct application. BSI 2011 ISB

4、N 978 0 580 66729 9 ICS 17.040.30 Compliance with a British Standard cannot confer immunity from legal obligations.This British Standard was published under the authority of the Standards Policy and Strategy Committee on 31 October 2011.Amendments issued since publicationDate T e x t a f f e c t e d

5、EUROPEAN STANDARD NORME EUROPENNE EUROPISCHE NORM EN ISO 15530-3 October 2011 ICS 17.040.30 Supersedes CEN ISO/TS 15530-3:2007English Version Geometrical product specifications (GPS) - Coordinate measuring machines (CMM): Technique for determining the uncertainty of measurement - Part 3: Use of cali

6、brated workpieces or measurement standards (ISO 15530-3:2011) Spcification gomtrique des produits (GPS) - Machines mesurer tridimensionnelles (MMT): Technique pour la dtermination de lincertitude de mesure - Partie 3: Utilisation de pices talonnes ou dtalons de mesure (ISO 15530-3:2011) Geometrische

7、 Produktspezifikation und -prfung (GPS) - Verfahren zur Ermittlung der Messunsicherheit von Koordinatenmessgerten (KMG) - Teil 3: Anwendung von kalibrierten Werkstcken oder Normalen (ISO 15530-3:2011) This European Standard was approved by CEN on 14 October 2011. CEN members are bound to comply with

8、 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 Manage

9、ment 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 stat

10、us 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

11、, Romania, Slovakia, Slovenia, Spain, Sweden, Switzerland and United Kingdom. EUROPEAN COMMITTEE FOR STANDARDIZATION COMIT EUROPEN DE NORMALISATION EUROPISCHES KOMITEE FR NORMUNG Management Centre: Avenue Marnix 17, B-1000 Brussels 2011 CEN All rights of exploitation in any form and by any means res

12、erved worldwide for CEN national Members. Ref. No. EN ISO 15530-3:2011: EBS EN ISO 15530-3:2011EN ISO 15530-3:2011 (E) 3 Foreword This document (EN ISO 15530-3:2011) has been prepared by Technical Committee ISO/TC 213 “Dimensional and geometrical product specifications and verification“ in collabora

13、tion 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 lates

14、t by April 2012, and conflicting national standards shall be withdrawn at the latest by April 2012. 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 p

15、atent rights. This document supersedes CEN ISO/TS 15530-3:2007. 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, Esto

16、nia, 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 15530-3:2011 has been approved by C

17、EN as a EN ISO 15530-3:2011 without any modification. BS EN ISO 15530-3:2011ISO 15530-3:2011(E) ISO 2011 All rights reserved iiiContents Page Foreword iv Introduction . v 1 Scope 1 2 Normative references 1 3 Terms and definitions . 1 4 Symbols 2 5 Requirements . 3 5.1 Operating conditions 3 5.2 Simi

18、larity conditions . 3 6 Principle of the uncertainty evaluation using calibrated workpieces 4 7 Procedure . 4 7.1 Measuring equipment . 4 7.2 Execution . 4 7.3 Calculation of the uncertainty 5 7.4 Applying the substitution method: special considerations 9 8 Reverification of the measurement uncertai

19、nty . 9 9 Interim check of the measurement uncertainty . 10 Annex A (informative) Examples of application. 11 Annex B (informative) Relation to the GPS matrix model . 16 Bibliography 18 BS EN ISO 15530-3:2011ISO 15530-3:2011(E) iv ISO 2011 All rights reservedForeword ISO (the International Organizat

20、ion 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 h

21、as 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. Int

22、ernational 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. Public

23、ation 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 ri

24、ghts. ISO 15530-3 was prepared by Technical Committee ISO/TC 213, Dimensional and geometrical product specifications and verification. This first edition of ISO 15530-3 cancels and replaces ISO/TS 15530-3:2004, which has been technically revised. ISO 15530 consists of the following parts, under the

25、general title Geometrical product specifications (GPS) Coordinate measuring machines (CMM): Technique for determining the uncertainty of measurement: Part 1: Overview and metrological characteristics Technical Specification Part 3: Use of calibrated workpieces or measurement standards Part 4: Evalua

26、ting task-specific measurement uncertainty using simulation Technical Specification BS EN ISO 15530-3:2011ISO 15530-3:2011(E) ISO 2011 All rights reserved vIntroduction This part of ISO 15530 is a Geometrical Product Specification (GPS) and is to be regarded as a general GPS document (see ISO/TR 146

27、38). It influences chain link 6 of the chain of standards on size, distance, radius, angle, form, orientation, location, run-out and datums. The ISO/GPS Masterplan given in ISO/TR 14638 gives an overview of the ISO/GPS system of which this standard is a part. The fundamental rules of ISO/GPS given i

28、n 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 on the relation of this standard to the GPS matrix model, see Annex B. Coordinate measuring m

29、achines (CMMs) have become essential for the verification of geometry in industry. According to the ISO 9000 series of standards, in a quality management system, the relevant measuring equipment is required to be calibrated against certified equipment having a known and valid relationship to interna

30、tionally or nationally recognized standards in order to establish traceability. According to the International vocabulary of basic and general terms in metrology (VIM), a calibration comprises besides the establishment of the relationship between the measured and the correct values of a quantity the

31、 uncertainty evaluation in the final results (measurands) of the measurement task. However, uncertainty evaluation methods covering the errors arising in the innumerable measurement tasks a CMM can actually perform are often very complex. In these cases, the risk of an unrealistic estimation of task

32、-related uncertainty is likely to arise. The aim of this part of ISO 15530 is to provide an experimental technique for simplifying the uncertainty evaluation of CMM measurements. In this experimental approach, measurements are carried out in the same way as actual measurements, but with calibrated w

33、orkpieces or measurement standards of similar dimension and geometry instead of the unknown objects to be measured. The description of this experimental technique to evaluate measurement uncertainty is the key element of this part of ISO 15530. The standardization of such procedures for the uncertai

34、nty evaluation serves the worldwide mutual recognition of calibrations and other measurement results. This part of ISO 15530 is applicable for non-substitution measurement of workpieces or measurement standards, where the measurement result is given by the indication of the CMM. Furthermore, this pa

35、rt of ISO 15530 is applicable for substitution measurement, where, in opposition to the non-substitution measurement, a check standard is used to correct for the systematic errors of the CMM. The latter will generally decrease the measurement uncertainty and is often used, especially in the field of

36、 gauge calibration. This part of ISO 15530 describes one of several methods of uncertainty evaluation, which will be outlined in later ISO documents. Because of the experimental approach, it is simple to perform, and it provides realistic statements of measurement uncertainties. The limitations of t

37、his method can be summarized as: the availability of artefacts with sufficiently defined geometrical characteristics, stability, reasonable costs, and the possibility of being calibrated with sufficiently small uncertainty. BS EN ISO 15530-3:2011BS EN ISO 15530-3:2011INTERNATIONAL STANDARD ISO 15530

38、-3:2011(E) ISO 2011 All rights reserved 1Geometrical product specifications (GPS) Coordinate measuring machines (CMM): Technique for determining the uncertainty of measurement Part 3: Use of calibrated workpieces or measurement standards 1 Scope This part of ISO 15530 specifies the evaluation of mea

39、surement uncertainty for results of measurements obtained by a CMM (coordinate measuring machine) and by using calibrated workpieces or measurement standards. It provides an experimental technique for simplifying the uncertainty evaluation of CMM measurements, whose approach (substitution measuremen

40、ts) leads to measurements being carried out in the same way as actual measurements, but with calibrated workpieces of similar dimension and geometry instead of the unknown workpieces to be measured. Non-substitution measurements on CMMs are also covered, as are the requirements of the uncertainty ev

41、aluation procedure, the measurement equipment needed, and the reverification and interim check of the measurement uncertainty. NOTE The evaluation of measurement uncertainty is always related to a specific measuring task. 2 Normative references The following referenced documents are indispensable fo

42、r 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 10360-1:2000, Geometrical Product Specifications (GPS) Acceptance and reverification tests for coord

43、inate measuring machines (CMM) Part 1: Vocabulary ISO/IEC Guide 98-3:2008, Uncertainty of measurement Part 3: Guide to the expression of uncertainty in measurement (GUM:1995) ISO/IEC Guide 99:2007, International vocabulary of metrology Basic and general concepts and associated terms (VIM) ISO 14978:

44、2006, Geometrical product specification (GPS) General concepts and requirements for GPS measuring equipment 3 Terms and definitions For the purpose of this part of ISO 15530, the terms and definitions given in ISO 10360-1, ISO/IEC Guide 98-3, ISO/IEC Guide 99 and the following apply. BS EN ISO 15530

45、-3:2011ISO 15530-3:2011(E) 2 ISO 2011 All rights reserved3.1 non-substitution measurement measurement where the uncorrected indication of the CMM is used as a result 3.2 substitution measurement measurement where both a workpiece and a check standard are measured in order to provide additional corre

46、ctions for systematic errors of the CMM 4 Symbols For the purpose of this part of ISO 15530, the symbols given in Table 1 apply. Table 1 Symbols Symbol Interpretation b Systematic error observed during the evaluation of the measurement uncertainty iDifference between the measured and calibrated valu

47、es of the check standard when applying the substitution method k Coverage factor l Measured dimension n Number of repeated measurements T Average temperature of the workpiece or measurement standard ucalStandard uncertainty of the parameter of the calibrated workpiece or measurement standard upStand

48、ard uncertainty of the measurement procedure ubStandard uncertainty of the systematic error uwStandard uncertainty associated with the variations in the uncalibrated workpieces uwpStandard uncertainty associated with the variations in the mechanical properties of the uncalibrated workpieces uwtStand

49、ard uncertainty associated with the variations in the CTEs (thermal expansion coefficients) of the uncalibrated workpieces uStandard uncertainty of the thermal expansion coefficient U Expanded measurement uncertainty UcalExpanded uncertainty of the calibrated workpiece parameter or measurement standard xcalValue of the parameter of the calibrated workpiece or measurement standard y Measurement result yiMeasurement results during evaluation of measurement uncertainty *iy Uncorrected indications of t