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IEC 60811-504-2012 Electric and optical fibre cables - Test methods for non-metallic materials - Part 504 Mechanical tests - Bending tests at low temperature fo.pdf

1、 IEC 60811-504 Edition 1.0 2012-03 INTERNATIONAL STANDARD NORME INTERNATIONALE Electric and optical fibre cables Test methods for non-metallic materials Part 504: Mechanical tests Bending tests at low temperature for insulation and sheaths Cbles lectriques et fibres optiques Mthodes dessai pour les

2、matriaux non-mtalliques Partie 504: Essais mcaniques Essai denroulement basse temprature pour les enveloppes isolantes et les gaines IEC60811-504:2012 THIS PUBLICATION IS COPYRIGHT PROTECTED Copyright 2012 IEC, Geneva, Switzerland All rights reserved. Unless otherwise specified, no part of this publ

3、ication may be reproduced or utilized in any form or by any means, electronic or mechanical, including photocopying and microfilm, without permission in writing from either IEC or IECs member National Committee in the country of the requester. If you have any questions about IEC copyright or have an

4、 enquiry about obtaining additional rights to this publication, please contact the address below or your local IEC member National Committee for further information. Droits de reproduction rservs. Sauf indication contraire, aucune partie de cette publication ne peut tre reproduite ni utilise sous qu

5、elque forme que ce soit et par aucun procd, lectronique ou mcanique, y compris la photocopie et les microfilms, sans laccord crit de la CEI ou du Comit national de la CEI du pays du demandeur. Si vous avez des questions sur le copyright de la CEI ou si vous dsirez obtenir des droits supplmentaires s

6、ur cette publication, utilisez les coordonnes ci-aprs ou contactez le Comit national de la CEI de votre pays de rsidence. IEC Central Office Tel.: +41 22 919 02 11 3, rue de Varemb Fax: +41 22 919 03 00 CH-1211 Geneva 20 infoiec.ch Switzerland www.iec.ch About the IEC The International Electrotechni

7、cal Commission (IEC) is the leading global organization that prepares and publishes International Standards for all electrical, electronic and related technologies. About IEC publications The technical content of IEC publications is kept under constant review by the IEC. Please make sure that you ha

8、ve the latest edition, a corrigenda or an amendment might have been published. Useful links: IEC publications search - www.iec.ch/searchpub The advanced search enables you to find IEC publications by a variety of criteria (reference number, text, technical committee,). It also gives information on p

9、rojects, replaced and withdrawn publications. IEC Just Published - webstore.iec.ch/justpublished Stay up to date on all new IEC publications. Just Published details all new publications released. Available on-line and also once a month by email. Electropedia - www.electropedia.org The worlds leading

10、 online dictionary of electronic and electrical terms containing more than 30 000 terms and definitions in English and French, with equivalent terms in additional languages. Also known as the International Electrotechnical Vocabulary (IEV) on-line. Customer Service Centre - webstore.iec.ch/csc If yo

11、u wish to give us your feedback on this publication or need further assistance, please contact the Customer Service Centre: csciec.ch. A propos de la CEI La Commission Electrotechnique Internationale (CEI) est la premire organisation mondiale qui labore et publie des Normes internationales pour tout

12、 ce qui a trait llectricit, llectronique et aux technologies apparentes. A propos des publications CEI Le contenu technique des publications de la CEI est constamment revu. Veuillez vous assurer que vous possdez ldition la plus rcente, un corrigendum ou amendement peut avoir t publi. Liens utiles: R

13、echerche de publications CEI - www.iec.ch/searchpub La recherche avance vous permet de trouver des publications CEI en utilisant diffrents critres (numro de rfrence, texte, comit dtudes,). Elle donne aussi des informations sur les projets et les publications remplaces ou retires. Just Published CEI

14、- webstore.iec.ch/justpublished Restez inform sur les nouvelles publications de la CEI. Just Published dtaille les nouvelles publications parues. Disponible en ligne et aussi une fois par mois par email. Electropedia - www.electropedia.org Le premier dictionnaire en ligne au monde de termes lectroni

15、ques et lectriques. Il contient plus de 30 000 termes et dfinitions en anglais et en franais, ainsi que les termes quivalents dans les langues additionnelles. Egalement appel Vocabulaire Electrotechnique International (VEI) en ligne. Service Clients - webstore.iec.ch/csc Si vous dsirez nous donner d

16、es commentaires sur cette publication ou si vous avez des questions contactez-nous: csciec.ch. IEC 60811-504 Edition 1.0 2012-03 INTERNATIONAL STANDARD NORME INTERNATIONALE Electric and optical fibre cables Test methods for non-metallic materials Part 504: Mechanical tests Bending tests at low tempe

17、rature for insulation and sheaths Cbles lectriques et fibres optiques Mthodes dessai pour les matriaux non-mtalliques Partie 504: Essais mcaniques Essai denroulement basse temprature pour les enveloppes isolantes et les gaines INTERNATIONAL ELECTROTECHNICAL COMMISSION COMMISSION ELECTROTECHNIQUE INT

18、ERNATIONALE K ICS 29.035.01; 29.060.20 PRICE CODE CODE PRIX ISBN 978-2-88912-978-2 Registered trademark of the International Electrotechnical Commission Marque dpose de la Commission Electrotechnique Internationale Warning! Make sure that you obtained this publication from an authorized distributor.

19、 Attention! Veuillez vous assurer que vous avez obtenu cette publication via un distributeur agr. 2 60811-504 IEC:2012 CONTENTS FOREWORD . 3 INTRODUCTION . 5 1 Scope . 6 2 Normative references . 6 3 Terms and definitions . 6 4 Test method . 6 4.1 General . 6 4.2 Bending test at low temperature for i

20、nsulation . 7 4.2.1 Sampling and preparation of test pieces 7 4.2.2 Apparatus 7 4.2.3 Procedure 7 4.2.4 Test conditions 7 4.2.5 Evaluation of results 8 4.3 Bending test at low temperature for sheaths 8 4.3.1 Sampling and preparation of test pieces 8 4.3.2 Apparatus, procedure and test conditions 8 4

21、.3.3 Evaluation of results 8 5 Test report 8 Bibliography 10 Figure 1 Cold bend test apparatus . 9 Table 1 Rotations of mandrel 7 60811-504 IEC:2012 3 INTERNATIONAL ELECTROTECHNICAL COMMISSION _ ELECTRIC AND OPTICAL FIBRE CABLES TEST METHODS FOR NON-METALLIC MATERIALS Part 504: Mechanical tests Bend

22、ing tests at low temperature for insulation and sheaths FOREWORD 1) The International Electrotechnical Commission (IEC) is a worldwide organization for standardization comprising all national electrotechnical committees (IEC National Committees). The object of IEC is to promote international co-oper

23、ation on all questions concerning standardization in the electrical and electronic fields. To this end and in addition to other activities, IEC publishes International Standards, Technical Specifications, Technical Reports, Publicly Available Specifications (PAS) and Guides (hereafter referred to as

24、 “IEC Publication(s)”). Their preparation is entrusted to technical committees; any IEC National Committee interested in the subject dealt with may participate in this preparatory work. International, governmental and non-governmental organizations liaising with the IEC also participate in this prep

25、aration. IEC collaborates closely with the International Organization for Standardization (ISO) in accordance with conditions determined by agreement between the two organizations. 2) The formal decisions or agreements of IEC on technical matters express, as nearly as possible, an international cons

26、ensus of opinion on the relevant subjects since each technical committee has representation from all interested IEC National Committees. 3) IEC Publications have the form of recommendations for international use and are accepted by IEC National Committees in that sense. While all reasonable efforts

27、are made to ensure that the technical content of IEC Publications is accurate, IEC cannot be held responsible for the way in which they are used or for any misinterpretation by any end user. 4) In order to promote international uniformity, IEC National Committees undertake to apply IEC Publications

28、transparently to the maximum extent possible in their national and regional publications. Any divergence between any IEC Publication and the corresponding national or regional publication shall be clearly indicated in the latter. 5) IEC itself does not provide any attestation of conformity. Independ

29、ent certification bodies provide conformity assessment services and, in some areas, access to IEC marks of conformity. IEC is not responsible for any services carried out by independent certification bodies. 6) All users should ensure that they have the latest edition of this publication. 7) No liab

30、ility shall attach to IEC or its directors, employees, servants or agents including individual experts and members of its technical committees and IEC National Committees for any personal injury, property damage or other damage of any nature whatsoever, whether direct or indirect, or for costs (incl

31、uding legal fees) and expenses arising out of the publication, use of, or reliance upon, this IEC Publication or any other IEC Publications. 8) Attention is drawn to the Normative references cited in this publication. Use of the referenced publications is indispensable for the correct application of

32、 this publication. 9) Attention is drawn to the possibility that some of the elements of this IEC Publication may be the subject of patent rights. IEC shall not be held responsible for identifying any or all such patent rights. International Standard IEC 60811-504 has been prepared by IEC technical

33、committee 20: Electric cables. This Part 504 of IEC 60811 cancels and replaces 8.1 and 8.2 of IEC 60811-1-4:1985, which is withdrawn. Full details of the replacements are shown in Annex A of IEC 60811-100:2012. There are no specific technical changes with respect to the previous edition, but see the

34、 Foreword to IEC 60811-100: 2012. 4 60811-504 IEC:2012 The text of this standard is based on the following documents: FDIS Report on voting 20/1300/FDIS 20/1349/RVD Full information on the voting for the approval of this standard can be found in the report on voting indicated in the above table. Thi

35、s publication has been drafted in accordance with the ISO/IEC Directives, Part 2. This part of IEC 60811 shall be used in conjunction with IEC 60811-100. A list of all the parts in the IEC 60811 series, published under the general title Electric and optical fibre cables Test methods for non-metallic

36、 materials, can be found on the IEC website. The committee has decided that the contents of this publication will remain unchanged until the stability date indicated on the IEC web site under “http:/webstore.iec.ch“ in the data related to the specific publication. At this date, the publication will

37、be reconfirmed, withdrawn, replaced by a revised edition, or amended. 60811-504 IEC:2012 5 INTRODUCTION The IEC 60811 series specifies the test methods to be used for testing non-metallic materials of all types of cables. These test methods are intended to be referenced in standards for cable constr

38、uction and for cable materials. NOTE 1 Non-metallic materials are typically used for insulating, sheathing, bedding, filling or taping within cables. NOTE 2 These test methods are accepted as basic and fundamental and have been developed and used over many years principally for the materials in all

39、energy cables. They have also been widely accepted and used for other cables, in particular optical fibre cables, communication and control cables and cables for ships and offshore applications. 6 60811-504 IEC:2012 ELECTRIC AND OPTICAL FIBRE CABLES TEST METHODS FOR NON-METALLIC MATERIALS Part 504:

40、Mechanical tests Bending tests at low temperature for insulation and sheaths 1 Scope This Part 504 of IEC 60811 gives the procedure for performing bending tests at low temperature on extruded insulations and sheaths. 2 Normative references The following documents, in whole or in part, are normativel

41、y 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 referenced document (including any amendments) applies. IEC 60811-100:2012, Electric and optical fibre cables Test methods

42、for non-metallic materials Part 100: General IEC 60811-505, Electric and optical fibre cables Test methods for non-metallic materials Part 505: Mechanical tests Elongation at low temperature for insulations and sheaths 3 Terms and definitions For the purposes of this document, the definitions given

43、in IEC 60811-100 apply. 4 Test method 4.1 General This part of IEC 60811 shall be used in conjunction with IEC 60811-100. All the tests shall be carried out not less than 16 h after the extrusion or cross-linking of the insulating or sheathing compounds. Tests shall be carried out at the temperature

44、 specified in the relevant cable standard. For tests on the insulation, the test is intended for insulated conductors of circular cross-section having an external diameter up to and including 12,5 mm and for sector-shaped cores where it is not possible to prepare dumb-bells. For tests on sheaths, th

45、e test is intended for cables with an overall diameter up to and including 12,5 mm; and for flat cables, with a major axis dimension up to and including 12,5 mm. If required by the relevant cable standard the test shall also be carried out on larger cables. Note that equipment may need to be modifie

46、d in accordance with the cable standard. Otherwise, the insulation and sheath of larger cables shall be subjected to the elongation test described in IEC 60811-505. 60811-504 IEC:2012 7 4.2 Bending test at low temperature for insulation 4.2.1 Sampling and preparation of test pieces Each core to be t

47、ested shall be represented by two samples of suitable length. After removal of the coverings, if any, the samples shall be used as test pieces. 4.2.2 Apparatus The apparatus recommended for this test is represented in Figure 1, with explanations. It consists essentially of one revolving mandrel and

48、guiding devices for the test pieces. Other single-mandrel apparatus, substantially equivalent to the one represented in Figure 1, may also be used. The apparatus shall be located in a suitable low temperature cabinet before and during the test. 4.2.3 Procedure The test piece shall be fixed in the ap

49、paratus, as shown in Figure 1. The apparatus with the test piece in position shall be maintained in the suitable low temperature cabinet at the specified temperature for a period of not less than 16 h. The cooling period of 16 h includes the time necessary for cooling down the apparatus. If the apparatus has been pre-cooled, a shorter cooling period is permissible, but not less than 4 h at

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