1、BSI Standards PublicationBS EN ISO 2538-1:2014Geometrical productspecifications (GPS) WedgesPart 1: Series of angles and slopes (ISO2538-1:2014)BS EN ISO 2538-1:2014 BRITISH STANDARDNational forewordThis British Standard is the UK implementation of EN ISO2538-1:2014. Together with BS EN ISO 2538-2 i
2、t supersedes BS EN ISO2538:2003, which will be withdrawn upon publication of BS EN ISO2538-2.The UK participation in its preparation was entrusted to TechnicalCommittee TDW/4, Technical Product Realization.A list of organizations represented on this committee can beobtained on request to its secreta
3、ry.This publication does not purport to include all the necessaryprovisions of a contract. Users are responsible for its correctapplication. The British Standards Institution 2014. Published by BSI StandardsLimited 2014ISBN 978 0 580 75459 3ICS 17.040.01Compliance with a British Standard cannot conf
4、er immunity fromlegal obligations.This British Standard was published under the authority of theStandards Policy and Strategy Committee on 30 September 2014.Amendments issued since publicationDate Text affectedEUROPEAN STANDARD NORME EUROPENNE EUROPISCHE NORM EN ISO 2538-1 September 2014 ICS 17.040.
5、01 Supersedes EN ISO 2538:2003English Version Geometrical product specifications (GPS) - Wedges - Part 1: Series of angles and slopes (ISO 2538-1:2014) Spcification gomtrique des produits (GPS) - Coins - Partie 1: Sries dangles et dinclinaisons (ISO 2538-1:2014) Geometrische Produktspezifikation (GP
6、S) - Keile - Teil 1: Reihen von Winkeln und Neigungen (ISO 2538-1:2014) This European Standard was approved by CEN on 9 August 2014. 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 sta
7、ndard 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
8、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 Re
9、public, Denmark, Estonia, Finland, Former Yugoslav Republic of Macedonia, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Romania, Slovakia, Slovenia, Spain, Sweden, Switzerland, Turkey and United Kingdom. EUROPE
10、AN COMMITTEE FOR STANDARDIZATION COMIT EUROPEN DE NORMALISATION EUROPISCHES KOMITEE FR NORMUNG CEN-CENELEC Management Centre: Avenue Marnix 17, B-1000 Brussels 2014 CEN All rights of exploitation in any form and by any means reserved worldwide for CEN national Members. Ref. No. EN ISO 2538-1:2014 EB
11、S EN ISO 2538-1:2014EN ISO 2538-1:2014 (E) 3 Foreword This document (EN ISO 2538-1:2014) 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
12、 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 March 2015, and conflicting national standards shall be withdrawn at the
13、 latest by March 2015. 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 EN ISO 2538:2003. According to the CEN
14、-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, Former Yugoslav Republic of Macedonia, France, Germany, Greece, Hungar
15、y, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Romania, Slovakia, Slovenia, Spain, Sweden, Switzerland, Turkey and the United Kingdom. Endorsement notice The text of ISO 2538-1:2014 has been approved by CEN as EN ISO 2538-1:2014 without any m
16、odification. BS EN ISO 2538-1:2014ISO 2538-1:2014(E) ISO 2014 All rights reserved iiiContents PageForeword ivIntroduction v1 Scope . 12 Terms and definitions . 13 Values . 4Annex A (informative) Relation to the GPS matrix model 6Bibliography 8BS EN ISO 2538-1:2014ISO 2538-1:2014(E)ForewordISO (the I
17、nternational 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
18、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 electrotechnica
19、l standardization.The procedures used to develop this document and those intended for its further maintenance are described in the ISO/IEC Directives, Part 1. In particular the different approval criteria needed for the different types of ISO documents should be noted. This document was drafted in a
20、ccordance with the editorial rules of the ISO/IEC Directives, Part 2 (see www.iso.org/directives).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. Det
21、ails of any patent rights identified during the development of the document will be in the Introduction and/or on the ISO list of patent declarations received (see www.iso.org/patents).Any trade name used in this document is information given for the convenience of users and does not constitute an e
22、ndorsement.For an explanation on the meaning of ISO specific terms and expressions related to conformity assessment, as well as information about ISOs adherence to the WTO principles in the Technical Barriers to Trade (TBT) see the following URL: Foreword - Supplementary informationThe committee res
23、ponsible for this document is ISO/TC 213, Dimensional and geometrical product specifications and verification.This first edition of ISO 2538-1, together with ISO 2538-2, cancels and replaces ISO 2538:1998, which has been technically revised.ISO 2538 consists of the following parts, under the general
24、 title Geometrical product specifications (GPS) Wedges : Part 1: Series of angles and slopes Part 2: Dimensioning and tolerancingiv ISO 2014 All rights reservedBS EN ISO 2538-1:2014ISO 2538-1:2014(E)IntroductionThis part of ISO 2538 is a geometrical product specification (GPS) standard and is to be
25、regarded as a general GPS standard (see ISO/TR 14638). It influences chain links 1 and 2 of the chain of standards on angle in the GPS matrix.The ISO/GPS Masterplan given in ISO/TR 14638 gives an overview of the ISO/GPS system of which this document is a part. The fundamental rules of ISO/GPS given
26、in 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 part of ISO 2538 to other standards and to the GPS matrix model, see
27、Annex A. ISO 2014 All rights reserved vBS EN ISO 2538-1:2014BS EN ISO 2538-1:2014Geometrical product specifications (GPS) Wedges Part 1: Series of angles and slopes1 ScopeThis International Standard specifies terms and definitions for wedges, three series of wedge angles from 120 to 0 30 and a serie
28、s of wedge slopes from 1:10 to 1:500, for general mechanical engineering purposes.2 Terms and definitionsFor the purposes of this document, the following definitions apply.2.1wedgepair of intersecting planesNote 1 to entry: A wedge is a feature of size defined by an angular size.Note 2 to entry: See
29、 Figure 1.2.2wedge angleangular size of the wedge defined in a plane perpendicular to the wedge edgeNote 1 to entry: See Figure 1.2.3wedge slopeSratio of the difference between the heights H and h in two determined cross-sections to the signed distance L between these cross-sectionsSHhL= =()/tan Not
30、e 1 to entry: L is positive for angles 90.2.4rate of wedgeC2 the tangent of half the wedge angleC = 22tan2.5wedge edgestraight line established by the intersection of the wedge planesNote 1 to entry: See Figure 1.INTERNATIONAL STANDARD ISO 2538-1:2014(E) ISO 2014 All rights reserved 1BS EN ISO 2538-
31、1:2014ISO 2538-1:2014(E)hH21La) Angles smaller than 90 degreesHLh21b) Angles larger than 90 degreesKey1 wedge edge2 wedge planesFigure 1 Wedges2.6vee-blockdove-tailtypical wedge with a large angleNote 1 to entry: See Figures 2 and 3.2 ISO 2014 All rights reservedBS EN ISO 2538-1:2014ISO 2538-1:2014(
32、E)Figure 2 Dovetail ISO 2014 All rights reserved 3BS EN ISO 2538-1:2014ISO 2538-1:2014(E)/2Plane EMFigure 3 Vee-block3 ValuesTable 1 shows the nominal values for angles and slopes and the calculated values for rates of wedges, slopes and slope angles for the wedge angles.The angle series 1 and 2 as
33、specified in Table 1 shall be used in this order of preference, with a view to reducing the range of tools, gauges and measuring instruments required for production of parts with one or more wedges.The nominal values for angles of special wedges shall only be used for the applications as mentioned i
34、n the footnotes.4 ISO 2014 All rights reservedBS EN ISO 2538-1:2014ISO 2538-1:2014(E)Table 1 Nominal and calculated values of wedge angles, slopes and rate of wedgesNominal values Calculated valuesWedge angle Slope Rate of wedge SlopeWedge angleSeries 1 Series 2 Special wedges /2 /2 /2 S C cS d120 6
35、0 1:0,288 675 1: 0,577 350 108 a54 1:0,363 271 1:0,324 920 90 45 1:0,500 000 75 37 30 1:0,651 613 1:0,267 949 72 a36 1:0,688 190 1:0,324 920 60 30 1:0,866 025 1:0,577 350 50 b1:1,072 253 1:0,839 100 45 22 30 1:1,207 107 1:1,000 000 40 20 1:1,373 739 1:1,191 754 30 15 1:1,866 025 1:1,732 051 20 10 1:
36、2,835 641 1:2,747 477 15 7 30 1:3,797 877 1:3,732 051 10 5 1:5,715 026 1:5,671 282 8 4 1:7,150 333 1:7,115 370 7 3 30 1:8,174 928 1:8,144 346 6 3 1:9,540 568 1:9,514 364 1:10 5 42 38,1”5 2 30 1:11,451 883 1:11,430 052 4 2 1:14,318 127 1:14,300 666 3 1 30 1:19,094 230 1:19,081 137 1:20 2 51 44,7”2 1
37、1:28,644 981 1:28,636 253 1:50 1 8 44,7”1 0 30 1:57,294 325 1:57,289 962 1:100 34 22,6”0 30 0 15 1:114,590 832 1:114,588 650 1:200 17 11,3”1:500 6 52,5”aApplication on vee-blocks.bApplication on dovetails.cC is shown as 1:1/C.dS is shown as 1:1/S. ISO 2014 All rights reserved 5BS EN ISO 2538-1:2014I
38、SO 2538-1:2014(E)Annex A (informative) Relation to the GPS matrix modelA.1 GeneralFor full details about the GPS matrix model, see ISO/TR 14638.The ISO/GPS Masterplan given in ISO/TR 14638 gives an overview of the ISO/GPS system of which this document is a part. The fundamental rules of ISO/GPS give
39、n in 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.A.2 Information about this part of ISO 2538 and its useThis part of ISO 2538 on wedges covers definitions of parameters a
40、nd corresponding values for some applications. It should be completed by standards covering feature characteristics, measurement, measurement equipment and calibration in order to allow an unambiguous understanding.A.3 Position in the GPS matrix modelThis part of ISO 2538 is a general GPS standard,
41、which influences chain links 1 and 2 of the chain of standards on angle in the GPS matrix, as illustrated in Table A.1. 6 ISO 2014 All rights reservedBS EN ISO 2538-1:2014ISO 2538-1:2014(E)Table A.1 Fundamental and general ISO GPS standards matrixFundamental GPS standardsGlobal GPS standardsGeneral
42、GPS standardsChain link number 1 2 3 4 5 6SizeDistanceRadiusAngle Form of line independent of datumForm of line dependent on datumOrientationLocationCircular run-outTotal run-outDatumsRoughness profileWaviness profilePrimary profileSurface defectsEdgesA.4 Related standardsThe related standards are t
43、hose of the chains of standards indicated in Table A.1. ISO 2014 All rights reserved 7BS EN ISO 2538-1:2014ISO 2538-1:2014(E)Bibliography1 ISO 1119:2011, Geometrical product specifications (GPS) Series of conical tapers and taper angles2 ISO 3040:2009, Geometrical product specifications (GPS) Dimens
44、ioning and tolerancing Cones3 ISO 8015, Geometrical product specifications (GPS) Fundamentals Concepts, principles and rules4 ISO 14253-1:2013, Geometrical product specifications (GPS) Inspection by measurement of workpieces and measuring equipment Part 1: Decision rules for proving conformity or no
45、nconformity with specifications5 ISO/TR 14638, Geometrical product specification (GPS) Masterplan8 ISO 2014 All rights reservedBS EN ISO 2538-1:2014This page deliberately left blankThis page deliberately left blankBSI is the national body responsible for preparing British Standards and other standar
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