BS EN ISO 4231-2016 Hand- and machine-operated circular screwing dies for parallel pipe threads G series《手用和用锥管螺纹用圆形螺丝板牙 G系列》.pdf

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1、BS EN ISO 4231:2016Hand- and machine-operated circular screwing dies forparallel pipe threads G series(ISO 4231:2016)BSI Standards PublicationWB11885_BSI_StandardCovs_2013_AW.indd 1 15/05/2013 15:06BS EN ISO 4231:2016 BRITISH STANDARDNational forewordThis British Standard is the UK implementation of

2、 EN ISO 4231:2016.It supersedes BS 1127-3:1990 which is withdrawn.The UK participation in its preparation was entrusted to Technical Committee MTE/18, Tools tips and inserts for cutting applications.A list of organizations represented on this committee can be obtained on request to its secretary.Thi

3、s publication does not purport to include all the necessary provisions of a contract. Users are responsible for its correct application. The British Standards Institution 2016.Published by BSI Standards Limited 2016ISBN 978 0 580 90909 2 ICS 25.100.50 Compliance with a British Standard cannot confer

4、 immunity from legal obligations.This British Standard was published under the authority of the Standards Policy and Strategy Committee on 31 December 2016.Amendments/corrigenda issued since publicationDate T e x t a f f e c t e dEUROPEAN STANDARD NORME EUROPENNE EUROPISCHE NORM EN ISO 4231 November

5、 2016 ICS 25.100.50 Supersedes EN 24231:1989English Version Hand- and machine-operated circular screwing dies for parallel pipe threads - G series (ISO 4231:2016) Filires rondes de filetage, main et machine, pour filetages cylindriques de tuyauterie - Srie G (ISO 4231:2016) Runde Hand- und Maschinen

6、-Schneideisen fr zylindrisches Rohrgewinde - Reihe G (ISO 4231:2016)This European Standard was approved by CEN on 24 September 2016. 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 andUnited Kingdom. EUROPEA

10、N COMMITTEE FOR STANDARDIZATION COMIT EUROPEN DE NORMALISATION EUROPISCHES KOMITEE FR NORMUNG CEN-CENELEC Management Centre: Avenue Marnix 17, B-1000 Brussels 2016 CEN All rights of exploitation in any form and by any means reserved worldwide for CEN national Members. Ref. No. EN ISO 4231:2016 EBS E

11、N ISO 4231:2016EN ISO 4231:2016 (E) 3 European foreword This document (EN ISO 4231:2016) has been prepared by Technical Committee ISO/TC 29 “Small tools“. This European Standard shall be given the status of a national standard, either by publication of an identical text or by endorsement, at the lat

12、est by May 2017, and conflicting national standards shall be withdrawn at the latest by May 2017. 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 pat

13、ent rights. This document supersedes EN 24231:1989. 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

14、, 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 the United Kingdom. Endorsement notice The text of ISO

15、4231:2016 has been approved by CEN as EN ISO 4231:2016 without any modification. BS EN ISO 4231:2016ISO 4231:2016(E)Foreword iv1 Scope . 12 Dimensions . 13 Marking 2Annex A (informative) Relationship between designations in this International Standard and ISO 13399 . 3Bibliography 4 ISO 2016 All rig

16、hts reserved iiiContents PageBS EN ISO 4231:2016ISO 4231:2016(E)ForewordISO (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 com

17、mittees. 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

18、 International Electrotechnical Commission (IEC) on all matters of electrotechnical 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 th

19、e different types of ISO documents should be noted. This document was drafted in accordance 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. IS

20、O shall not be held responsible for identifying any or all such patent rights. Details 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 docum

21、ent is information given for the convenience of users and does not constitute an endorsement.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 World Trade Organization (WTO) principles in the T

22、echnical Barriers to Trade (TBT) see the following URL: www.iso.org/iso/foreword.html.The committee responsible for this document is ISO/TC 29, Small tools, Subcommittee SC 9, Tools with defined cutting edges, cutting items.This third edition cancels and replaces the second edition (ISO 4231:1987),

23、of which it constitutes a minor revision with the following changes: Annex A has been added; a Bibliography has been added.iv ISO 2016 All rights reservedBS EN ISO 4231:2016INTERNATIONAL STANDARD ISO 4231:2016(E)Hand- and machine-operated circular screwing dies for parallel pipe threads G series1 Sc

24、opeThis International Standard is a supplement to ISO 2568 and ISO 4230 and specifies the dimensions of hand- and machine-operated circular screwing dies intended for production of parallel pipe threads, G series, in accordance with ISO 228-1.The general dimensions of these dies (diameter, thickness

25、 and fixing dimensions) are in accordance with ISO 2568 so as to permit the driving of hand-operated dies with the aid of the die stocks defined in that document.2 DimensionsThe general dimensions are shown in Figure 1 and given in Table 1.Figure 1Table 1Dimensions in millimetresThread designationBa

26、sic diameterPitch D E C b a1/16 7,723 0,907 25 9 0,8 5 0,51/8 9,728 0,907 30 11 1 5 11/4 13,157 1,337 38 10 1,2 6 13/8 16,662 1,337 45 14 1,2 6 11/2 20,955 1,814 45 14 1,2 6 15/8 22,911 1,814 55 16 1,5 8 1 ISO 2016 All rights reserved 1BS EN ISO 4231:2016ISO 4231:2016(E)Thread designationBasic diame

27、terPitch D E C b a3/4 26,441 1,814 55 16 1,5 8 17/8 30,201 1,814 65 18 1,8 8 11 33,249 2,309 65 18 1,8 8 11 1/4 41,91 2,309 75 20 1,8 8 21 1/2 47, 803 2,309 90 22 2 8 21 3/4 53,746 2,309 105 22 2,5 10 22 59,614 2,309 105 22 2,5 10 22 1/4 65,71 2,309 120 22 2,5 10 2NOTE 1 The shape of the V-groove an

28、d the clearance holes are left to the manufacturers discretion.NOTE 2 Tolerances: for precision screwing dies: on D: f10; on E: js12; for non-precision screwing dies: on D and E: the tolerances are left to the manufacturers discretion.3 MarkingDies in accordance with this International Standard shal

29、l be marked with the letter G, immediately followed by the designation of the thread.EXAMPLE A G series parallel thread screwing die with designation 3/8 is marked as follows:G 3/8Where tools comply in all respects with the relevant International Standards, the Symbol ISO may be appended to the mark

30、 at the discretion of the manufacturer.Table 1 (continued)2 ISO 2016 All rights reservedBS EN ISO 4231:2016ISO 4231:2016(E)Annex A (informative) Relationship between designations in this International Standard and ISO 13399For the relationship between the designations in this International Standard

31、and preferred symbols according to ISO 13399, see Table A.1.Table A.1 Relationship between designations in this International Standard and ISO 13399Symbol in this International StandardReference in this International StandardProperty name in the ISO 13399 seriesSymbol in the ISO 13399 seriesReferenc

32、e in the ISO 13399 seriesThread designationTable 1Thread diameter, inch measureTDIN 726E3EA9B08ADDFigure 1 Table 1Body diameter BD 71ED6A9AF7D1DEFigure 1 Table 1Overall length OAL 71D078EB7C086Pitch Table 1 Thread pitch TP 71CEAEC08D4B0 ISO 2016 All rights reserved 3BS EN ISO 4231:2016ISO 4231:2016(

33、E)Bibliography1 ISO 228-1, Pipe threads where pressure-tight joints are not made on the threads Part 1: Dimensions, tolerances and designation2 ISO 2568, Hand- and machine-operated circular screwing dies and hand-operated die stocks3 ISO 4230, Hand- and machine-operated circular screwing dies for ta

34、per pipe threads R series4 ISO 13399 (all parts), Cutting tool data representation and exchange4 ISO 2016 All rights reservedBS EN ISO 4231:2016This page deliberately left blankThis page deliberately left blankBSI is the national body responsible for preparing British Standards and other standards-r

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