1、March 2017 English price group 7No part of this translation may be reproduced without prior permission ofDIN Deutsches Institut fr Normung e. V., Berlin. Beuth Verlag GmbH, 10772 Berlin, Germany,has the exclusive right of sale for German Standards (DIN-Normen).ICS 25.100.50!%c+0“2640813www.din.deDIN
2、 EN ISO 4230Hand and machineoperated circular screwing dies for taper pipe threads R series (ISO 4230:2016);English version EN ISO 4230:2016,English translation of DIN EN ISO 4230:2017-03Runde Hand und MaschinenSchneideisen fr kegeliges Rohrgewinde Reihe R (ISO 4230:2016);Englische Fassung EN ISO 42
3、30:2016,Englische bersetzung von DIN EN ISO 4230:2017-03Filires rondes de filetage, main et machine, pour filetages coniques de tuyauterie Srie R (ISO 4230:2016);Version anglaise EN ISO 4230:2016,Traduction anglaise de DIN EN ISO 4230:2017-03SupersedesDIN EN 24230:199006www.beuth.deDocument comprise
4、s 10 pagesDTranslation by DIN-Sprachendienst.In case of doubt, the German-language original shall be considered authoritative.03.17 DIN EN ISO 4230:2017-03 2 A comma is used as the decimal marker. National foreword This document (ISO 4230:2016) has been prepared by Technical Committee ISO/TC 29 “Sma
5、ll tools”, Subcommittee SC 9 “Tools with defined cutting edges, cutting items”. The responsible German body involved in its preparation was DIN-Normenausschuss Werkzeuge und Spannzeuge (DIN Standards Committee Tools and Clamping Devices), Working Committee NA 121-01-04 AA Gewindebohrer und Schneidei
6、sen. The DIN Standard corresponding to the International Standards referred to in this document is as follows: ISO 4231 DIN EN ISO 4231 Amendments This standard differs from DIN EN 24230:1990-06 as follows: a) normative references have been updated; b) Annex A has been added; c) a Bibliography has b
7、een added. Previous editions DIN 5159: 1979-09, 1986-04 DIN EN 24230: 1990-06 National Annex NA (informative) Bibliography DIN EN ISO 4231, Hand- and machine-operated circular screwing dies for parallel pipe threads G series EUROPEAN STANDARD NORME EUROPENNE EUROPISCHE NORM EN ISO 4230 November 2016
8、 ICS 25.100.50 Supersedes EN 24230:1989English Version Hand- and machine-operated circular screwing dies for taper pipe threads - R series (ISO 4230:2016) Filires rondes de filetage, main et machine, pour filetages coniques de tuyauterie - Srie R(ISO 4230:2016) Runde Hand- und Maschinen-Schneideisen
9、 fr kegeliges Rohrgewinde - Reihe R (ISO 4230:2016) 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 standard without an
10、y 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 langua
11、ge 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,
12、 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. EUROPEAN COMMITTEE FOR
13、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 4230:2016 EEuropean foreword .3
14、1 Scope .52 Normative references 53 Dimensions .54 Marking 6Annex A (informative) Relationship between designations in this International Standard and ISO 13399 .7Bibliography 8Contents PageDIN EN ISO 4230:2017-03 EN ISO 4230:2016 (E) 2Foreword .4European foreword This document (EN ISO 4230:2016) ha
15、s 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 latest by May 2017, and conflicting national standards shall be withdrawn at the latest by May
16、 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 patent rights. This document supersedes EN 24230:1989. According to the CEN-CENELEC Internal R
17、egulations, 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, Hungary, Iceland, Ireland
18、, 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 4230:2016 has been approved by CEN as EN ISO 4230:2016 without any modification. DIN EN ISO
19、 4230:2017-03 EN ISO 4230:2016 (E)3 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 committees. Each member body in
20、terested 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 Electrotechni
21、cal 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 the different types of ISO doc
22、uments 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. ISO shall not be held responsi
23、ble 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 document is information given for
24、 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 Technical Barriers to Trade (
25、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 4230:1987), of which it constitutes a mi
26、nor revision with the following changes: Annex A has been added; a Bibliography has been added.DIN EN ISO 4230:2017-03 EN ISO 4230:2016 (E) 4 1 ScopeThis International Standard is a supplement to ISO 2568 and ISO 4231 and specifies the dimensions of hand- and machine-operated circular screwing dies
27、intended for production of taper pipe threads, R series, in accordance with ISO 7-1.With the exception of the die 1/16, the general dimensions of these dies (diameter, thickness and fixing dimensions) are in accordance with ISO 2568 so as to permit the driving of hand-operated dies with the aid of t
28、he die stocks defined in that document.2 Normative referencesThe following documents, in whole or in part, are normatively referenced in this document and are indispensable for its application. For dated references, only the edition cited applies. For undated references, the latest edition of the re
29、ferenced document (including any amendments) applies.ISO 2568, Hand- and machine-operated circular screwing dies and hand-operated die stocks3 DimensionsThe general dimensions are shown in Figure 1 and given in Table 1.Figure 1DIN EN ISO 4230:2017-03 EN ISO 4230:2016 (E)5 Table 1Dimensions in millim
30、etresThread designationBasic diameterPitch D E E1C b aMinimum number of full threadsMinimum full form thread length1/16 7,723 0,907 30a11a10 1 5 1 6 1/8 5,61/8 9,728 0,907 30 11 10 1 5 1 6 1/8 5,61/4 13,157 1,337 38 14 14 1,2 6 1 6 1/4 8,43/8 16,662 1,337 45 18 15 1,2 6 1 6 1/2 8,81/2 20,955 1,814 5
31、5 22 19 1,5 8 2 6 1/4 11,43/4 26,441 1,814 55 22 20 1,5 8 2 7 12,71 33,249 2,309 65 25 24 1,8 8 2 6 1/4 14,51 1/4 41,91 2,309 75 30 26 1,8 8 2 7 1/4 16,81 1/2 47, 803 2,309 90 36 26 2 8 2 7 1/4 16,82 59,614 2,309 105 36 31 2,5 10 2 9 1/8 21,1aException to the general table given in ISO 2568.NOTE 1 T
32、he V-groove, diameter D1and clearance holes are left to the manufacturers discretion.NOTE 2 The thread lead of the screwing die will be calculated on the basis of two threads.NOTE 3 Tolerances: for precision screwing dies: on D: f10; on E: js12; for non-precision screwing dies: on D and E: the toler
33、ances are left to the manufacturers discretion.4 MarkingDies in accordance with this International Standard shall be marked with the letter R, immediately followed by the designation of the thread.EXAMPLE An R series taper thread screwing die with designation 3/4 is marked as follows:R 3/4Where tool
34、s comply in all respects with the relevant International Standards, the Symbol ISO may be appended to the mark at the discretion of the manufacturer.DIN EN ISO 4230:2017-03 EN ISO 4230:2016 (E) 6 Annex A (informative) Relationship between designations in this International Standard and ISO 13399For
35、the relationship between the designations in this International Standard 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 StandardPr
36、operty name in the ISO 13399 seriesSymbol in the ISO 13399 seriesReference 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 71CE
37、AEC08D4B0DIN EN ISO 4230:2017-03 EN ISO 4230:2016 (E)7 Bibliography1 ISO 7-1, Pipe threads where pressure-tight joints are made on the threads Part 1: Dimensions, tolerances and designation2 ISO 4231, Hand- and machine-operated circular screwing dies for parallel pipe threads G series3 ISO 13399 (all parts), Cutting tool data representation and exchangeDIN EN ISO 4230:2017-03 EN ISO 4230:2016 (E) 8
