IEC 60811-513-2012 Electric and optical fibre cables - Test methods for non-metallic materials - Part 513 Mechanical tests - Methods specific to polyethylene and polypropylene comp.pdf

1、 IEC 60811-513 Edition 1.0 2012-03 INTERNATIONAL STANDARD NORME INTERNATIONALE Electric and optical fibre cables Test methods for non-metallic materials Part 513: Mechanical tests Methods specific to polyethylene and polypropylene compounds Wrapping test after conditioning Cbles lectriques et fibres

2、 optiques Mthodes dessai pour les matriaux non-mtalliques Partie 513: Essais mcaniques Mthodes spcifiques pour les mlanges polythylne et polypropylne Essai denroulement aprs conditionnement IEC60811-513:2012 THIS PUBLICATION IS COPYRIGHT PROTECTED Copyright 2012 IEC, Geneva, Switzerland All rights r

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16、lients - webstore.iec.ch/csc Si vous dsirez nous donner des commentaires sur cette publication ou si vous avez des questions contactez-nous: csciec.ch. IEC 60811-513 Edition 1.0 2012-03 INTERNATIONAL STANDARD NORME INTERNATIONALE Electric and optical fibre cables Test methods for non-metallic materi

17、als Part 513: Mechanical tests Methods specific to polyethylene and polypropylene compounds Wrapping test after conditioning Cbles lectriques et fibres optiques Mthodes dessai pour les matriaux non-mtalliques Partie 513: Essais mcaniques Mthodes spcifiques pour les mlanges polythylne et polypropylne

18、 Essai denroulement aprs conditionnement INTERNATIONAL ELECTROTECHNICAL COMMISSION COMMISSION ELECTROTECHNIQUE INTERNATIONALE H ICS 29.035.01; 29.060.20 PRICE CODE CODE PRIX ISBN 978-2-88912-992-8 Registered trademark of the International Electrotechnical Commission Marque dpose de la Commission Ele

19、ctrotechnique Internationale Warning! Make sure that you obtained this publication from an authorized distributor. Attention! Veuillez vous assurer que vous avez obtenu cette publication via un distributeur agr. 2 60811-513 IEC:2012 CONTENTS FOREWORD . 3 1 Scope . 6 2 Normative references . 6 3 Term

20、s and definitions . 6 4 Test method . 6 4.1 General . 6 4.2 Conditioning procedure . 6 4.3 Test procedure 7 4.4 Evaluation of results 7 5 Test report 7 Bibliography 8 60811-513 IEC:2012 3 INTERNATIONAL ELECTROTECHNICAL COMMISSION _ ELECTRIC AND OPTICAL FIBRE CABLES TEST METHODS FOR NON-METALLIC MATE

21、RIALS Part 513: Mechanical tests Methods specific to polyethylene and polypropylene compounds Wrapping test after conditioning FOREWORD 1) The International Electrotechnical Commission (IEC) is a worldwide organization for standardization comprising all national electrotechnical committees (IEC Nati

22、onal Committees). The object of IEC is to promote international co-operation 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, Publi

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31、referenced publications is indispensable for the correct application of 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. I

32、nternational Standard IEC 60811-513 has been prepared by IEC technical committee 20: Electric cables. This Part 513 of IEC 60811 cancels and replaces Clause 9 of IEC 60811-4-2:2004, which is withdrawn. Full details of the replacements are shown in Annex A of IEC 60811-100: 2012. There are no specifi

33、c technical changes with respect to the previous edition, but see the Foreword to IEC 60811-100: 2012. 4 60811-513 IEC:2012 The text of this standard is based on the following documents: FDIS Report on voting 20/1309/FDIS 20/1358/RVD Full information on the voting for the approval of this standard c

34、an be found in the report on voting indicated in the above table. This 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

35、title Electric and optical fibre cables Test methods for non-metallic 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 rel

36、ated to the specific publication. At this date, the publication will be reconfirmed, withdrawn, replaced by a revised edition, or amended. 60811-513 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 tes

37、t methods are intended to be referenced in standards for cable construction 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 dev

38、eloped and used over many years principally for the materials in all 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 60811-513 IEC:2012 ELECTRIC AND OP

39、TICAL FIBRE CABLES TEST METHODS FOR NON-METALLIC MATERIALS Part 513: Mechanical tests Methods specific to polyethylene and polypropylene compounds Wrapping test after conditioning 1 Scope This Part 513 of IEC 60811 gives procedures for a wrapping test after conditioning at elevated temperature. This

40、 test method applies specifically to polyethylene and polypropylene insulation. This test is intended for samples from filled cables of polyolefin insulation having a wall thickness of less than or equal to 0,8 mm. 2 Normative references The following documents, in whole or in part, are normatively

41、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 fo

42、r non-metallic materials Part 100: General 3 Terms and definitions For the purposes of this document, the terms and definitions given 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. For multicore cables and cords, not more tha

43、n three cores (of different colours, if any) shall be tested, unless otherwise specified in the relevant cable standard. All the tests shall be carried out not less than 16 h after the extrusion or cross-linking, if any, of the compounds used for insulating or sheathing. 4.2 Conditioning procedure A

44、 sample of complete cable of sufficient length shall be conditioned in air (i.e. suspended in an oven). The duration of the test and temperature of the air maintained continuously shall be as follows: 7 24 h at (60 2) C for filling compound having a nominal drop point above 50 C and up to and includ

45、ing 70 C; 7 24 h at (70 2) C for filling compound having a nominal drop point above 70 C. 60811-513 IEC:2012 7 NOTE For an explanation of the drop point, see IEC 60811-601. After conditioning, the cable sample shall be left at ambient temperature for at least 16 h without being exposed to direct sun

46、light. The sheath and cores to be tested shall then be taken from the cable and shall be cleaned by suitable means. 4.3 Test procedure Test pieces according to 4.2 shall be subjected to the following wrapping test: The conductor shall be laid bare at one end. A weight shall be applied to the exposed

47、 conductor end, exerting a pull of 15 N/mm2 20 % with respect to the conductor cross-section. Ten windings shall be made on the other end of the test piece by means of a winding device on a metal mandrel, preferably mechanically driven, at a speed of about 1 revolution per 5 s. The winding diameter

48、shall be 1 to 1,5 times the test piece diameter. Subsequently, the test pieces wound on the mandrel shall be removed from the latter and shall be kept in their helical form for 24 h at (70 2) C in a vertical position, substantially in the middle of an electrically heated cabinet having natural air f

49、low. For cellular insulations, including foam skin, having a wall thickness below or equal to 0,2 mm, the pull exerted on the exposed conductor shall be reduced to about 7,5 N/mm2 20 % with respect to the conductor cross-section. 4.4 Evaluation of results After cooling down to ambient temperature, the test pieces shall show no cracks when examined with nor