BS ISO 5408-2009 Screw threads - Vocabulary《螺纹 词汇表》.pdf

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1、BS ISO 5408:2009ICS 01.040.21; 21.040.01NO COPYING WITHOUT BSI PERMISSION EXCEPT AS PERMITTED BY COPYRIGHT LAWBRITISH STANDARDScrew threads -VocabularyThis British Standardwas published under theauthority of the StandardsPolicy and StrategyCommittee on 31 July2009. BSI 2009ISBN 978 0 580 62619 7Amen

2、dments/corrigenda issued since publicationDate CommentsBS ISO 5408:2009National forewordThis British Standard is the UK implementation of ISO 5408:2009. Itsupersedes BS 6528:1984 which is withdrawn.The UK participation in its preparation was entrusted to TechnicalCommittee FME/9, Fasteners.A list of

3、 organizations represented on this committee can be obtained onrequest to its secretary.This publication does not purport to include all the necessary provisionsof a contract. Users are responsible for its correct application.Compliance with a British Standard cannot confer immunityfrom legal obliga

4、tions.BS ISO 5408:2009Reference numberNumro de rfrenceISO 5408:2009(E/F)ISO 2009INTERNATIONAL STANDARD NORME INTERNATIONALE ISO5408Second editionDeuxime dition2009-06-15Screw threads Vocabulary Filetages Vocabulaire BS ISO 5408:2009ISO 5408:2009(E/F) COPYRIGHT PROTECTED DOCUMENT DOCUMENT PROTG PAR C

5、OPYRIGHT ISO 2009 The reproduction of the terms and definitions contained in this International Standard is permitted in teaching manuals, instruction booklets, technical publications and journals for strictly educational or implementation purposes. The conditions for such reproduction are: that no

6、modifications are made to the terms and definitions; that such reproduction is not permitted for dictionaries or similar publications offered for sale; and that this International Standard is referenced as the source document. With the sole exceptions noted above, no other part of this publication m

7、ay be reproduced or utilized in any form or by any means, electronic or mechanical, including photocopying and microfilm, without permission in writing from either ISO at the address below or ISOs member body in the country of the requester. La reproduction des termes et des dfinitions contenus dans

8、 la prsente Norme internationale est autorise dans les manuels denseignement, les modes demploi, les publications et revues techniques destins exclusivement lenseignement ou la mise en application. Les conditions dune telle reproduction sont les suivantes: aucune modification nest apporte aux termes

9、 et dfinitions; la reproduction nest pas autorise dans des dictionnaires ou publications similaires destins la vente; la prsente Norme internationale est cite comme document source. la seule exception mentionne ci-dessus, aucune partie de cette publication ne peut tre reproduite ni utilise sous quel

10、que forme que ce soit et par aucun procd, lectronique ou mcanique, y compris la photocopie et les microfilms, sans laccord crit de lISO ladresse ci-aprs ou du comit membre de lISO dans le pays du demandeur. ISO copyright office Case postale 56 CH-1211 Geneva 20 Tel. + 41 22 749 01 11 Fax + 41 22 749

11、 09 47 E-mail copyrightiso.org Web www.iso.org Published in Switzerland/Publi en Suisse ii ISO 2009 All rights reserved/Tous droits rservsBS ISO 5408:2009ISO 5408:2009(E/F) ISO 2009 All rights reserved/Tous droits rservs iiiCopyright notice This ISO document is a Draft International Standard and is

12、copyright-protected by ISO. Except as permitted under the applicable laws of the users country, neither this ISO draft nor any extract from it may be reproduced, stored in a retrieval system or transmitted in any form or by any means, electronic, photocopying, recording or otherwise, without prior w

13、ritten permission being secured. Requests for permission to reproduce should be addressed to either ISO at the address below or ISOs member body in the country of the requester. ISO copyright office Case postale 56 CH-1211 Geneva 20 Tel. + 41 22 749 01 11 Fax + 41 22 749 09 47 E-mail copyrightiso.or

14、g Web www.iso.org Reproduction may be subject to royalty payments or a licensing agreement. Violators may be prosecuted. Notice de droit dauteur Ce document de lISO est un projet de Norme internationale qui est protg par les droits dauteur de lISO. Sauf autoris par les lois en matire de droits daute

15、ur du pays utilisateur, aucune partie de ce projet ISO ne peut tre reproduite, enregistre dans un systme dextraction ou transmise sous quelque forme que ce soit et par aucun procd, lectronique ou mcanique, y compris la photocopie, les enregistrements ou autres, sans autorisation crite pralable. Les

16、demandes dautorisation de reproduction doivent tre envoyes lISO ladresse ci-aprs ou au comit membre de lISO dans le pays du demandeur. ISO copyright office Case postale 56 CH-1211 Geneva 20 Tel. + 41 22 749 01 11 Fax + 41 22 749 09 47 E-mail copyrightiso.org Web www.iso.org Toute reproduction est so

17、umise au paiement de droits ou un contrat de licence. Les contrevenants pourront tre poursuivis. BS ISO 5408:2009ISO 5408:2009(E/F) iv ISO 2009 All rights reserved/Tous droits rservsForeword ISO (the International Organization for Standardization) is a worldwide federation of national standards bodi

18、es (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 has the right to be represented on that committee. International organizations

19、, 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. International Standards are drafted in accordance with the rules given in the IS

20、O/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. Publication as an International Standard requires approval by at least 75 % of the

21、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 rights. ISO 5408 was prepared by Technical Committee ISO/TC 1, Screw threads. T

22、his second edition cancels and replaces the first edition (ISO 5408:1983), which has been technically revised. BS ISO 5408:2009ISO 5408:2009(E/F) ISO 2009 All rights reserved/Tous droits rservs vAvant-propos LISO (Organisation internationale de normalisation) est une fdration mondiale dorganismes na

23、tionaux de normalisation (comits membres de lISO). Llaboration des Normes internationales est en gnral confie aux comits techniques de lISO. Chaque comit membre intress par une tude a le droit de faire partie du comit technique cr cet effet. Les organisations internationales, gouvernementales et non

24、 gouvernementales, en liaison avec lISO participent galement aux travaux. LISO collabore troitement avec la Commission lectrotechnique internationale (CEI) en ce qui concerne la normalisation lectrotechnique. Les Normes internationales sont rdiges conformment aux rgles donnes dans les Directives ISO

25、/CEI, Partie 2. La tche principale des comits techniques est dlaborer les Normes internationales. Les projets de Normes internationales adopts par les comits techniques sont soumis aux comits membres pour vote. Leur publication comme Normes internationales requiert lapprobation de 75 % au moins des

26、comits membres votants. Lattention est appele sur le fait que certains des lments du prsent document peuvent faire lobjet de droits de proprit intellectuelle ou de droits analogues. LISO ne saurait tre tenue pour responsable de ne pas avoir identifi de tels droits de proprit et averti de leur existe

27、nce. LISO 5408 a t labore par le comit technique ISO/TC 1, Filetages. Cette deuxime dition annule et remplace la premire dition (ISO 5408:1983), dont elle constitue une rvision technique. BS ISO 5408:2009BS ISO 5408:2009INTERNATIONAL STANDARD NORME INTERNATIONALE ISO 5408:2009(E/F) ISO 2009 All righ

28、ts reserved/Tous droits rservs 1Screw threads Vocabulary Filetages Vocabulaire 1 Scope This International Standard specifies the fundamental terms and definitions applicable to screw threads, in English and French. These terms are applicable to symmetrical threads and unsymmetrical threads, or cylin

29、drical threads and taper threads. If more than one term applies to a definition, the term in bold letters should be given preference. Several terms, for which the definitions are not included in the text, are given in Annex A. NOTE In addition to terms used in English and French,two of the three off

30、icial ISO languages, this documentgives the equivalent terms in German, Chinese,Japanese and Swedish (see Annex B); these are published under the responsibility of the member bodies for Germany (DIN), China (SAC), Japan (JISC) and Sweden (SIS) and are given for information only. Only the terms given

31、 in the two official languages can be considered as ISO terms. 1 Domaine dapplication La prsente Norme internationale spcifie les termes et dfinitions fondamentaux applicables aux filetages. Ces termes sappliquent aux filetages symtriques et asymtriques, ou aux filetages cylindriques et coniques. Si

32、 plusieurs termes correspondent une mme dfinition, il convient demployer de prfrence le terme crit en gras. Certains termes pour lesquels il nest pas fourni de dfinition dans le texte sont rpertoris dans lAnnexe A. NOTE En complment des termes utiliss anglais et franais, deux des trois langues offic

33、ielles de lISO (anglais, franais et russe), le prsent document donne les termes quivalents en allemand, chinois, japonais et sudois (voir Annexe B); ces termes sont publis sous la responsabilit des comits membres de lAllemagne(DIN), de la Chine (SAC), du Japon (JISC) et de la Sude (SIS) et sont donn

34、s uniquement pour information. Seuls les termes et dfinitions dans les langues officielles peuvent tre considrs comme tant des termes et dfinitions de lISO. 2 Normative references The following referenced documents are indispensable for the application of this document. For dated references, only th

35、e edition cited applies. For undated references, the latest edition of the referenced document (including any amendments) applies. ISO 286-1:1988, ISO system of limits and fits Part 1: Bases of tolerances, deviations and fits 2 Rfrences normatives Les documents de rfrence suivants sont indispensable

36、s pour lapplication du prsent document. Pour les rfrences dates, seule ldition cite sapplique. Pour les rfrences non dates, la dernire dition du document de rfrence sapplique (y compris les ventuels amendements). ISO 286-1:1988, Systme ISO de tolrances et dajustements Partie 1: Base des tolrances, c

37、arts et ajustements BS ISO 5408:2009ISO 5408:2009(E/F) 2 ISO 2009 All rights reserved/Tous droits rservs3 General terms 3 Termes gnraux 3.1 Helix 3.1 Hlice 3.1.1 helix curve on the surface of a cylinder or cone for which the ratio of the travel in the axial direction to the rotary angle around the a

38、xis is constant See Figure 1. 3.1.1 hlice courbe sur la surface dun cylindre ou dun cne pour laquelle le rapport entre la distance axiale parcourue et langle de rotation autour de laxe est constant Voir Figure 1. 3.1.2 lead of helix Ph(metric thread) L (inch thread) axial distance between two consec

39、utive corresponding points on a helix (3.1.1), i.e. the axial movement of a point following the helix one turn around its axis See Figure 1. 3.1.2 pas de lhlice pas hlicodal Ph(filetage mtrique) L (filetage en inches) distance axiale entre deux points correspondants conscutifs dune hlice (3.1.1), ce

40、st-dire distance axiale parcourue par un point de lhlice au cours dune rvolution Voir Figure 1. 3.1.3 lead angle of helix (metric thread) (inch thread) acute angle between the tangent of a helix (3.1.1) and the plane perpendicular to the axis of the cylinder or cone on which it lies See Figure 1. NO

41、TE 1 For metric threads, use the following equation:htan2Pr =For inch threads, use the following equation: tan2Lr =NOTE 2 For taper thread (3.2.3), the lead angle ofhelix (3.1.3) changes at different positions of the threadaxis. 3.1.3 angle dinclinaison de lhlice (filetage mtrique) (filetage en inch

42、es) angle aigu entre la tangente une hlice (3.1.1) et sa projection sur le plan perpendiculaire laxe du cylindre ou du cne sur lequel lhlice est trace Voir Figure 1. NOTE 1 Pour les filetages mtriques, utiliser lquation suivante: htan2Pr =Pour les filetages en inches, utiliser lquation suivante: tan

43、2Lr =NOTE 2 Pour les filetages coniques (3.2.3), langle dinclinaison de lhlice (3.1.3) varie selon son emplacement sur laxe du filetage (5.12). BS ISO 5408:2009ISO 5408:2009(E/F) ISO 2009 All rights reserved/Tous droits rservs 3a) Helix on the surface of a cylinder a) Hlice sur la surface dun cylind

44、re b) Helix on the surface of a cone b) Hlice sur la surface dun cne aAxis of helix. bCylindrical helix. cTangent to cylindrical helix. dConical helix. eTangent to conical helix. aAxe de lhlice. bHlice cylindrique. cTangente lhlice cylindrique. dHlice conique. eTangente lhlice conique. Figure 1 Heli

45、x Figure 1 Hlice 3.2 Screw thread 3.2 Filetage 3.2.1 screw thread thread continuous and projecting helical ridge (4.10) of uniform section on a cylindrical or conical surface 3.2.1 filetage filet plein (4.10) formant une saillie (4.15) hlicodale continue et de section uniforme sur une surface cylind

46、rique ou conique 3.2.2 cylindrical thread parallel thread straight thread screw thread (3.2.1) projecting from a cylindrical surface See Figures 4 and 5. 3.2.2 filetage cylindrique filetage parallle filetage droit filetage (3.2.1) taill dans une surface cylindrique Voir Figures 4 et 5. BS ISO 5408:2

47、009ISO 5408:2009(E/F) 4 ISO 2009 All rights reserved/Tous droits rservs3.2.3 taper thread screw thread (3.2.1) projecting from a conical surface See Figure 23. 3.2.3 filetage conique filetage (3.2.1) taill dans une surface conique Voir Figure 23. 3.2.4 symmetrical thread screw thread (3.2.1) on whic

48、h adjacent flank angles (4.17) are equal See Figure 2. 3.2.4 filetage symtrique filetage (3.2.1)sur lequel les angles des flancs(4.17) adjacents sont gaux Voir Figure 2. aAxis of screw thread. aAxe du filetage. Figure 2 Symmetrical thread Figure 2 Filetage symtrique Figure 3 Unsymmetrical thread Figure 3 Filetage non symtrique BS ISO 5408:2009ISO 5408:2009(E/F) ISO 2009 All rights reserved/Tous droits rservs 5Figure 4 Single-start right-hand external thread Figure 4 Filetage extrieu

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