BS EN 60811-506-2012 Electric and optical fibre cables Test methods for non-metallic materials Mechanical tests Impact test at low temperature for insulations and sheaths《电缆和光缆 非金属.pdf

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1、raising standards worldwideNO COPYING WITHOUT BSI PERMISSION EXCEPT AS PERMITTED BY COPYRIGHT LAWBSI Standards PublicationElectric and optical fibre cables Test methods for non-metallic materialsPart 506: Mechanical tests Impact test at low temperature for insulations and sheathsBS EN 60811-506:2012

2、National forewordThis British Standard is the UK implementation of EN 60811-506:2012. It isidentical to IEC 60811-506:2012. In the UK, the relationship between the supersessions of BS EN 60811 seriescan be summarized as follows.Superseded standards are withdrawnThe UK participation in its preparatio

3、n was entrusted by Technical CommitteeGEL/20, Electric cables, to Subcommittee GEL/20/17, Electric Cables - Lowvoltage.A list of organizations represented on this committee can be obtained onrequest to its secretary.This publication does not purport to include all the necessary provisions of acontra

4、ct. Users are responsible for its correct application. The British Standards Institution 2012Published by BSI Standards Limited 2012ISBN 978 0 580 65328 5ICS 29.035.01; 29.060.20Compliance with a British Standard cannot confer immunity fromlegal obligations.This British Standard was published under

5、the authority of the StandardsPolicy and Strategy Committee on 31 July 2012.Amendments issued since publicationAmd. No. Date Text affectedBRITISH STANDARDBS EN 60811-506:2012BS EN 60811-100 together with Supersedes - -201, -202, -203, -501 BS EN 60811-1-1:1995 -301, -302, -411, -601, -602, -603, -60

6、4 BS EN 60811-5-1:2000 -401, -412 BS EN 60811-1-2:1995 -402, -502, -503, -606 BS EN 60811-1-3:1995 -403, -404, -507 BS EN 60811-2-1:1998 -405, -409 BS EN 60811-3-2:1995 -406, -511, -605, -607 BS EN 60811-4-1:2004 -407, -408, -410, -510, -512, -513 BS EN 60811-4-2:2004 -504, -505, -506 BS EN 60811-1-

7、4:1995 -508, -509 BS EN 60811-3-1:1995EUROPEAN STANDARD EN 60811-506 NORME EUROPENNE EUROPISCHE NORM June 2012 CENELEC European Committee for Electrotechnical Standardization Comit Europen de Normalisation Electrotechnique Europisches Komitee fr Elektrotechnische Normung Management Centre: Avenue Ma

8、rnix 17, B - 1000 Brussels 2012 CENELEC - All rights of exploitation in any form and by any means reserved worldwide for CENELEC members. Ref. No. EN 60811-506:2012 E ICS 29.035.01; 29.060.20 Supersedes EN 60811-1-4:1995 (partially) + A2:2001 (partially)English version Electric and optical fibre cab

9、les - Test methods for non-metallic materials - Part 506: Mechanical tests - Impact test at low temperature for insulations and sheaths (IEC 60811-506:2012) Cbles lectriques et fibres optiques - Mthodes dessai pour les matriaux non-mtalliques - Partie 506: Essais mcaniques - Essai de choc basse temp

10、rature pour les enveloppes isolantes et les gaines (CEI 60811-506:2012) Kabel, isolierte Leitungen und Glasfaserkabel - Prfverfahren fr nichtmetallene Werkstoffe - Teil 506: Mechanische Prfungen - Schlagprfungen bei niedriger Temperatur fr Isolierhllen und Mntel (IEC 60811-506:2012) This European St

11、andard was approved by CENELEC on 2012-04-17. CENELEC 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 any alteration. Up-to-date lists and bibliographical references conce

12、rning such national standards may be obtained on application to the CEN-CENELEC Management Centre or to any CENELEC member. This European Standard exists in three official versions (English, French, German). A version in any other language made by translation under the responsibility of a CENELEC me

13、mber into its own language and notified to the CEN-CENELEC Management Centre has the same status as the official versions. CENELEC members are the national electrotechnical committees of Austria, Belgium, Bulgaria, Croatia, Cyprus, the Czech Republic, Denmark, Estonia, Finland, France, Germany, Gree

14、ce, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, the Netherlands, Norway, Poland, Portugal, Romania, Slovakia, Slovenia, Spain, Sweden, Switzerland, Turkey and the United Kingdom. EN 60811-506:2012 - 2 - Foreword The text of document 20/1302/FDIS, future edition 1 of IEC 6

15、0811-506, prepared by IEC/TC 20 “Electric cables“ was submitted to the IEC-CENELEC parallel vote and approved by CENELEC as EN 60811-506:2012. The following dates are fixed: latest date by which the document has to be implemented at national level by publication of an identical national standard or

16、by endorsement (dop) 2013-01-17 latest date by which the national standards conflicting with the document have to be withdrawn (dow) 2015-04-17 This document supersedes 8.5 of EN 60811-1-4:1995 + A2:2001 (partially). Full details of the replacements are shown in Annex A of EN 60811-100:2012. There a

17、re no specific technical changes with respect to EN 60811-1-4:1995, but see the Foreword to EN 60811-100:2012. This standard is to be read in conjunction with EN 60811-100. Attention is drawn to the possibility that some of the elements of this document may be the subject of patent rights. CENELEC a

18、nd/or CEN shall not be held responsible for identifying any or all such patent rights. This standard covers the Principle Elements of the Safety Objectives for Electrical Equipment Designed for Use within Certain Voltage Limits (LVD - 2006/95/EC). Endorsement notice The text of the International Sta

19、ndard IEC 60811-506:2012 was approved by CENELEC as a European Standard without any modification. In the official version, for Bibliography, the following note has to be added for the standard indicated : IEC 60811-1-4:1985 NOTE Harmonized as EN 60811-1-4:1995 (not modified). BS EN 60811-506:2012- 3

20、 - EN 60811-506:2012 Annex ZA (normative) Normative references to international publications with their corresponding European publications The following documents, in whole or in part, are normatively referenced in this document and are indispensable for its application. For dated references, only

21、the edition cited applies. For undated references, the latest edition of the referenced document (including any amendments) applies. NOTE When an international publication has been modified by common modifications, indicated by (mod), the relevant EN/HD applies. Publication Year Title EN/HD Year IEC

22、 60811-100 2012 Electric and optical fibre cables - Test methods for non-metallic materials - Part 100: General EN 60811-100 2012 BS EN 60811-506:2012 2 60811-506 IEC:2012 CONTENTS INTRODUCTION . 5 1 Scope . 6 2 Normative references . 6 3 Terms and definitions . 6 4 Test method . 6 4.1 General . 6 4

23、.2 Sampling and preparation of the test pieces 6 4.3 Apparatus 6 4.4 Test conditions 7 4.5 Procedure . 7 4.6 Expression of results . 8 5 Test report 8 Bibliography 10 Figure 1 Impact test apparatus . 9 Table 1 Mass of hammer for power cables in fixed installations . 7 Table 2 Mass of hammer for flex

24、ible cables and telecommunication cables 7 BS EN 60811-506:201260811-506 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 construction

25、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 energy

26、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. BS EN 60811-506:2012 6 60811-506 IEC:2012 ELECTRIC AND OPTICAL FIBRE CABLES TEST METHODS FOR NON-METALLIC MATERI

27、ALS Part 506: Mechanical tests Impact test at low temperature for insulations and sheaths 1 Scope This Part 506 of IEC 60811 gives the procedure for performing impact tests at low temperature on extruded insulations and sheaths. 2 Normative references The following documents, in whole or in part, ar

28、e 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 referenced document (including any amendments) applies. IEC 60811-100:2012, Electric and optical fibre cables T

29、est methods for 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. All the tests shall be carried

30、 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 specified in the relevant cable standard. This cold impact test is intended for sheathed cables of any type, irrespective of the type of insulation of t

31、he cores, and for the insulation of wires, cables and flat cables without sheath if required by the relevant cable standard. The insulation of sheathed cables is not subjected directly to the cold impact test. 4.2 Sampling and preparation of the test pieces Three pieces of complete cable each having

32、 a length at least five times the diameter of the cable with a minimum of 150 mm, shall be taken. All covering external to the component shall be removed. 4.3 Apparatus The apparatus to be used for this test is represented in Figure 1, with explanations. BS EN 60811-506:201260811-506 IEC:2012 7 The

33、apparatus shall be placed on a pad of sponge rubber about 40 mm thick and held in a suitable low temperature cabinet before and during the test. 4.4 Test conditions The test temperature shall be as specified for the type of compound in the relevant cable standard. For power cables for fixed installa

34、tions, the mass of the hammer for testing the samples shall not be less than the values as given in Table 1. Table 1 Mass of hammer for power cables in fixed installations Overall diameter mm Mass of the hammer g Above Up to and including 4,0 6,0 9,0 12,5 20,0 30,0 50,0 75,0 4,0 6,0 9,0 12,5 20,0 30

35、,0 50,0 75,0 100 200 300 400 500 750 1 000 1 250 1 500 For flexible cables and telecommunication cables, the mass of the hammer for testing the sample shall not be less than the values as shown in Table 2. Table 2 Mass of hammer for flexible cables and telecommunication cables Overall diameter mm Ma

36、ss of the hammer g Above Up to and including Flat cables 100 6,0 10,0 15,0 25,0 35,0 6,0 10,0 15,0 25,0 35,0 100 200 300 400 500 600 The overall diameter referred to in Table 1 and Table 2 shall be measured on each test piece by a vernier calliper or a measuring tape. Flat cables shall be tested wit

37、h their minor axis perpendicular to the steel base. 4.5 Procedure The apparatus and the pieces of cable to be tested shall be placed side by side in a suitable low temperature cabinet and maintained at the specified temperature. The contents of the refrigerator shall then be allowed to cool for a pe

38、riod not less than 16 h, which includes the time for the apparatus to cool down. If the apparatus has been pre-cooled, a shorter cooling period is permissible, but not less than 1 h provided that the test pieces have attained the prescribed test temperature. At the end of the prescribed periods, eac

39、h piece in turn shall be placed in position as shown in Figure 1, and the hammer shall be allowed to fall from a height of 100 mm. BS EN 60811-506:2012 8 60811-506 IEC:2012 Before examining the insulation of cables or cables without a sheath, the test pieces shall be allowed to attain approximately

40、ambient temperature after the test. The insulation shall then be examined after the test pieces have been twisted, while held straight, through an angle equal to 360 for each 100 mm length. If, however, it is not possible to twist the samples in this way, they shall be examined as specified for the

41、sheath. Before examining the sheath of cables, if any, the test pieces shall be allowed to attain approximately room temperature and then be immersed in hot water; the sheath shall then be cut open in the direction of the axis of the cables. NOTE Hand-hot water (40 C to 50 C) has been found to be ad

42、equate. The inside and outside of the sheath and the insulation shall then be examined. The insulation of cables with sheath shall be examined on the outside only. 4.6 Expression of results The three pieces shall show no cracks when examined with normal or corrected vision without magnification. If

43、only one sample of the three shows cracks, then the test shall be repeated on three further samples. If none of these shows cracks, then the requirements of the test are met. However, if any one of the three additional samples shows cracks, the insulation and/or sheath does not comply with the test

44、requirements. 5 Test report The test report shall be in accordance with that given in IEC 60811-100. BS EN 60811-506:201260811-506 IEC:2012 9 Dimensions in millimeters Key 1 hammer 2 steel intermediate piece 100 g 3 test piece 4 steel 10 kg 5 slightly rounded edges Figure 1 Impact test apparatus IEC

45、 272/12 BS EN 60811-506:2012 10 60811-506 IEC:2012 Bibliography IEC 60811-1-4:1985, Common test methods for insulating and sheathing materials of electric cables Part 1: Methods for general application Section four Test at low temperature (withdrawn) _ BS EN 60811-506:2012This page deliberately left

46、 blankBSI is the independent national body responsible for preparing British Standards and other standards-related publications, information and services. It presents the UK view on standards in Europe and at the international level. BSI is incorporated by Royal Charter. British Standards and other

47、standardisation products are published by BSI Standards Limited.British Standards Institution (BSI)raising standards worldwideBSI389 Chiswick High Road London W4 4AL UKTel +44 (0)20 8996 9001Fax +44 (0)20 8996 Standards and PASs are periodically updated by amendment or revision. Users of British St

48、andards and PASs should make sure that they possess the latest amendments or editions.It is the constant aim of BSI to improve the quality of our products and services. We would be grateful if anyone finding an inaccuracy or ambiguity while using British Standards would inform the Secretary of the t

49、echnical committee responsible, the identity of which can be found on the inside frontcover. Similary for PASs, please notify BSI Customer Services.Tel: +44 (0)20 8996 9001 Fax: +44 (0)20 8996 7001BSI offers BSI Subscribing Members an individual updating service called PLUS which ensures that subscribers automatically receive the latest editions of British Standards and PASs.Tel: +44 (0)20 8996 7669

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