DD-CEN-ISO-TS-12181-2-2007.pdf
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1、DRAFT FOR DEVELOPMENT DD CEN ISO/TS 12181-2:2007 Geometrical product specifications (GPS) Roundness Part 2: Specification operators ICS 17.040.20 ? Licensed Copy: London South Bank University, South Bank University, 16/11/2008 11:51, Uncontrolled Copy, (c) BSI DD CEN ISO/TS 12181-2:2007 This Draft f
2、or Development was published under the authority of the Standards Policy and Strategy Committee on 31 October 2008 BSI 2008 ISBN 978 0 580 57989 9 National foreword This Draft for Development is the UK implementation of CEN ISO/TS 12181-2:2007. This publication is not to be regarded as a British Sta
3、ndard. It is being issued in the Draft for Development series of publications and is of a provisional nature. It should be applied on this provisional basis, so that information and experience of its practical application can be obtained. Comments arising from the use of this Draft for Development a
4、re requested so that UK experience can be reported to the European organization responsible for its conversion to a European standard. A review of this publication will be initiated not later than three years after its publication by the European organization so that a decision can be taken on its s
5、tatus. Notification of the start of the review period will be made in an announcement in the appropriate issue of Update Standards. According to the replies received by the end of the review period, the responsible BSI Committee will decide whether to support the conversion into a European Standard,
6、 to extend the life of the Technical Specification or to withdraw it. Comments should be sent to the Secretary of the responsible BSI Technical Committee at British Standards House, 389 Chiswick High Road, London W4 4AL. The UK participation in its preparation was entrusted to Technical Committee TD
7、W/4, Technical product realization (TPR). 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. Amendments/corrigen
8、da issued since publication DateComments Licensed Copy: London South Bank University, South Bank University, 16/11/2008 11:51, Uncontrolled Copy, (c) BSI TECHNICAL SPECIFICATION SPCIFICATION TECHNIQUE TECHNISCHE SPEZIFIKATION CEN ISO/TS 12181-2 December 2007 ICS 17.040.20 English Version Geometrical
9、 product specifications (GPS) - Roundness - Part 2: Specification operators (ISO/TS 12181-2:2003) Spcification gomtrique des produits (GPS) - Circularit - Partie 2: Oprateurs de spcification (ISO/TS 12181- 2:2003) Geometrische Produktspezifikation (GPS) - Rundheit - Teil 2: Spezifikationsoperatoren
10、(ISO/TS 12181-2:2003) This Technical Specification (CEN/TS) was approved by CEN on 8 October 2007 for provisional application. The period of validity of this CEN/TS is limited initially to three years. After two years the members of CEN will be requested to submit their comments, particularly on the
11、 question whether the CEN/TS can be converted into a European Standard. CEN members are required to announce the existence of this CEN/TS in the same way as for an EN and to make the CEN/TS available promptly at national level in an appropriate form. It is permissible to keep conflicting national st
12、andards in force (in parallel to the CEN/TS) until the final decision about the possible conversion of the CEN/TS into an EN is reached. CEN members are the national standards bodies of Austria, Belgium, Bulgaria, Cyprus, Czech Republic, Denmark, Estonia, Finland, France, Germany, Greece, Hungary, I
13、celand, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Romania, Slovakia, Slovenia, Spain, Sweden, Switzerland and United Kingdom. EUROPEAN COMMITTEE FOR STANDARDIZATION COMIT EUROPEN DE NORMALISATION EUROPISCHES KOMITEE FR NORMUNG Management Centre: rue
14、 de Stassart, 36 B-1050 Brussels 2007 CENAll rights of exploitation in any form and by any means reserved worldwide for CEN national Members. Ref. No. CEN ISO/TS 12181-2:2007: E Licensed Copy: London South Bank University, South Bank University, 16/11/2008 11:51, Uncontrolled Copy, (c) BSI Foreword
15、The text of ISO/TS 12181-2:2003 has been prepared by Technical Committee ISO/TC 213 “Dimensional and geometrical product specifications and verification” of the International Organization for Standardization (ISO) and has been taken over as CEN ISO/TS 12181-2:2007 by Technical Committee CEN/TC 290 “
16、Dimensional and geometrical product specification and verification” the secretariat of which is held by AFNOR. 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
17、 all such patent rights. According to the CEN/CENELEC Internal Regulations, the national standards organizations of the following countries are bound to announce this Technical Specification: Austria, Belgium, Bulgaria, Cyprus, Czech Republic, Denmark, Estonia, Finland, France, Germany, Greece, Hung
18、ary, 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/TS 12181-2:2003 has been approved by CEN as a CEN ISO/TS 12181-2:2007 without
19、any modification. CEN ISO/TS 12181-2:2007 Licensed Copy: London South Bank University, South Bank University, 16/11/2008 11:51, Uncontrolled Copy, (c) BSI iii Contents Page Introduction iv 1 Scope1 2 Normative references .1 3 Terms and definitions.1 4 Complete specification operator.1 5 Compliance w
20、ith specification 5 Annex A (informative) Harmonic content of nominally round workpiece 6 Annex B (informative) Relation to the GPS matrix model 8 Bibliography .10 CEN ISO/TS 12181-2:2007 Licensed Copy: London South Bank University, South Bank University, 16/11/2008 11:51, Uncontrolled Copy, (c) BSI
21、 iv Introduction This part of ISO/TS 12181 is a geometrical product specification (GPS) Technical Specification and is to be regarded as a general GPS document (see ISO/TR 14638). It influences chain link 3 of the chain of standards on form of line independent of datum. For more detailed information
22、 on the relation of this part of ISO/TS 12181 to other standards and the GPS matrix model, see Annex B. This part of ISO/TS 12181 specifies the specification operators according to ISO/TS 17450-2 for roundness of integral features. At the current state of development, ISO/TC 213 has not been able to
23、 reach a consensus on defaults for filter UPR, probe tip radius and method of association (reference circle). This means that a roundness specification should explicitly state which values are to be used for these specification operations in order for it to be unique. Consequently, if a specificatio
24、n does not explicitly state which values are to be used for one or more of these operators, the specification is uncertain (see ISO/TS 17450-2) and a supplier can use any value for the operator(s) not specified when proving conformance. Extracting data will always involve applying a certain filterin
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