1、BRITISH STANDARD BS EN 61061-3-1:1998 IEC 61061-3-1: 1998 Non-impregnated densified laminated wood for electrical purposes Part3: Specifications for individual materials Sheet1: Sheets produced from beech veneer The European Standard EN61061-3-1:1998 has the status of a British Standard ICS 29.035.9
2、9BSEN 61061-3-1:1998 This British Standard, having been prepared under the directionof the Electrotechnical Sector Committee, was publishedunder the authority ofthe Standards Committee andcomesinto effect on 15December1998 BSI06-1999 ISBN 0 580 30827 8 National foreword This British Standard is the
3、English language version of EN61061-3-1:1998. It is identical with IEC61061-3-1:1998. The UK participation in its preparation was entrusted by Technical Committee GEL/15, Insulating materials, to Subcommittee GEL/15/3, Material specifications, which has the responsibility to: aid enquirers to unders
4、tand the text; present to the responsible international/European committee any enquiries on the interpretation, or proposals for change, and keep the UK interests informed; monitor related international and European developments and promulgate them in the UK. A list of organizations represented on t
5、his committee can be obtained on request to its secretary. From 1 January 1997, all IEC publications have the number60000added to the old number. For instance, IEC27-1has been renumbered as IEC60027-1. For a period of time during the change over from one numbering system to the other, publications m
6、ay contain identifiers from both systems. Cross-references Attention is drawn to the fact that CEN and CENELEC standards normally include an annex which lists normative references to international publications with their corresponding European publications. TheBritishStandards which implement these
7、international or European publications may be found in the BSI Standards Catalogue under the section entitled “International Standards Correspondence Index”, or by using the “Find” facility of the BSI Standards Electronic Catalogue. A British Standard does not purport to include all the necessary pr
8、ovisions of a contract. Users of British Standards are responsible for their correct application. Compliance with a British Standard does not of itself confer immunity from legal obligations. Summary of pages This document comprises a front cover, an inside front cover, pages i and ii, theEN title p
9、age, pages 2 to 6 and a back cover. This standard has been updated (see copyright date) and may have had amendments incorporated. This will be indicated in the amendment table on the inside front cover. Amendments issued since publication Amd. No. Date CommentsBSEN 61061-3-1:1998 BSI 06-1999 i Conte
10、nts Page National foreword Inside front cover Foreword 2 Text of EN 61061-3-1 3ii blankEUROPEAN STANDARD NORME EUROPENNE EUROPISCHE NORM EN 61061-3-1 October 1998 ICS 17.220.99;29.035.01 Descriptors: Solid electrical insulating materials, laminates, wood, veneer, beech wood, specifications, characte
11、ristics, tests, tables of data, flatness, dimensional deviations English version Non-impregnated densified laminated wood for electrical purposes Part3: Specifications for individual materials Sheets1: Sheets produced from beech veneer (IEC 61061-3-1:1998) Stratifis de bois densifis, non imprgns,usa
12、ges lectriques Partie3: Spcifications pour matriaux particuliers Feuille1: Planches ralises partir de placages de htre (CEI 61061-3-1:1998) Nicht-imprgniertes Kunstharz-Preholz frelektrotechnische Zwecke Teil3: Anforderungen fr einzelne Werkstoffe Blatt1: Tafeln aus Rotbuchenfurnieren (IEC 61061-3-1
13、:1998) This European Standard was approved by CENELEC on1998-10-01. 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 bibliograp
14、hical references concerning such national standards may be obtained on application to the Central Secretariat 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
15、a CENELEC member into its own language and notified to the Central Secretariat has the same status as the official versions. CENELEC members are the national electrotechnical committees of Austria, Belgium, CzechRepublic, Denmark, Finland, France, Germany, Greece, Iceland, Ireland, Italy, Luxembourg
16、, Netherlands, Norway, Portugal, Spain, Sweden, Switzerland and UnitedKingdom. CENELEC European Committee for Electrotechnical Standardization Comit Europen de Normalisation Electrotechnique Europisches Komitee fr Elektrotechnische Normung Central Secretariat: rue de Stassart 35, B-1050 Brussels 199
17、8 CENELEC All rights of exploitation in any form and by any means reserved worldwide for CENELEC members. Ref. No. EN 61061-3-1:1998 EEN61061-3-1:1998 BSI 06-1999 2 Foreword The text of document15C/968/FDIS, future edition1of IEC61061-3-1, prepared by SC15C, Specifications, of IEC TC15, Insulating m
18、aterials, was submitted to the IEC-CENELEC parallel vote and was approved by CENELEC as EN61061-3-1 on1998-10-01. The following dates were fixed: Annexes designated “normative” are part of the body of the standard. In this standard, Annex ZA is normative. Annex ZA has been added by CENELEC. Endorsem
19、ent notice The text of the International Standard IEC61061-3-1:1998 was approved by CENELEC as a European Standard without any modification. Contents Page Foreword 2 Introduction 3 1 Scope 3 2 Normative references 3 3 Requirements 3 Annex ZA (normative) Normative references tointernational publicati
20、ons with their corresponding European publications 6 Table 1 Requirements for sheets 4 Table 2 Tolerances on nominal thicknesses forun-machined pressed sheets 5 Table 3 Tolerance on nominal length and widthfor sheets 5 Table 4 Flatness 5 latest date by which the ENhas to be implemented at national l
21、evel by publication of an identical national standard or by endorsement (dop)1999-07-01 latest date by which the national standards conflicting with the EN haveto be withdrawn (dow)2001-07-01EN61061-3-1:1998 BSI 06-1999 3 Introduction This International Standard is one of a series which deals with n
22、on-impregnated densified wood for electrical purposes. The series consists of three parts: Part 1: Definitions, designation and general requirements; (IEC 61061-1) Part 2: Methods of test; (IEC61061-2) Part 3: Specifications for individual materials; Sheet 1: Sheets produced from beech veneer (IEC61
23、061-3-1) Sheet 2: Rings produced from beech veneer (IEC61061-3-2) 1 Scope This sheet of IEC61061-3specifies the requirements for individual types of sheets of non-impregnated densified laminated wood produced from beech veneer defined in IEC61061-1. 2 Normative references The following normative doc
24、uments contain provisions which, through reference in this text, constitute provisions of this sheet of IEC61061-3. At the time of publication, the editions indicated were valid. All normative documents are subject to revision, and parties to agreements based on this sheet of IEC61061-3are encourage
25、d to investigate the possibility of applying the most recent editions of the normative documents indicated below 1) . Members of IEC and ISO maintain registers of currently valid International Standards. IEC 61061-1:1991, Specification for non-impregnated, densified laminated wood for electrical pur
26、poses Part 1: Definitions, designation and general requirements. IEC 61061-2:1992, Specification for non-impregnated, densified laminated wood for electrical purposes Part2: Methods of test. 3 Requirements In addition to the general requirements given in IEC61061-1, the sheets produced from beech ve
27、neer shall also comply with the requirements given in Table 1. 1) In case of dispute, the reference edition is applicable.EN 61061-3-1:1998 4 BSI 06-1999 Table 1 Requirements for sheets Property Test method in IEC 61061-2 Subclause Unit Max., min. or range Type Remarks P1R P2R P3R P4R C1R C2R C3R C4
28、R Thickness 5.1 mm See Table 2 Length and width mm See Table 3 Flatness 5.2 mm See Table 4 Flexural strength perpendicular to the laminations 6.1 MPa Min. 100 1) 120 1) 150 1) 180 1) 45 2) 55 2) 65 2) 80 2) 1) direction A 2) directions A and B Apparent modulus of elasticity in flexure perpendicular
29、to the laminations 6.2 GPa Min. 9 1) 10 1) 14 1) 15 1) 4,5 2) 6 2) 8 2) 9 2) 1) direction A 2) directions A and B Compressibility perpendicular to the laminations C C rev 6.4 % % Max. Min. 5 70 4 70 3 70 2,5 70 5 70 4 70 3 70 2,5 70 Proof pressure 20MPa Impact strength 6.5 kJ/m 2 Min. 25 1) 30 1) 35
30、 1) 40 1) 6 2) 10 2) 13 2) 15 2) 1) direction A 2) directions A and B Shearing strength test for glue line bond 6.6 MPa Min. 5 7 8 9 5 7 8 9 Electric strength perpendicular to the laminations 7.1 kV/mm Min. 9 10 11 12 9 10 11 12 Breakdown voltage, parallel to the laminations 7.1 kV Min. 50 50 50 50
31、50 50 50 50 Apparent density 9.1 g/cm 3 Range 0,70,9 0,91,1 1,11,2 1,21,3 0,70,9 0,91,1 1,11,2 1,21,3 Moisture content 9.3 % Max. 6 6 6 6 6 6 6 6 Shrinkage after drying Direction A Direction B Thickness 9.4 % % % Max. Max. Max. 0,2 0,5 3 0,2 0,5 3 0,2 0,5 3 0,2 0,5 3 0,3 0,3 3 0,3 0,3 3 0,3 0,3 3 0,
32、3 0,3 3 Oil absorption 9.5 % Min. 20 15 8 5 20 15 8 5 Contamination of liquid dielectrics 9.7 Max. 0,1 0,1 0,1 0,1 0,1 0,1 0,1 0,1EN61061-3-1:1998 BSI 06-1999 5 Table 2 Tolerances on nominal thicknesses for un-machined pressed sheets The tolerance in nominal thickness for machined sheets shall be 0,
33、5mm for all thicknesses. Table 3 Tolerance on nominal length andwidth for sheets Table 4 Flatness Nominal thickness mm Tolerance mm # 10 1,4 10 .# 15 1,6 15 .# 20 1,8 20 .# 25 2,0 25 .# 30 2,2 30 .# 40 2,6 40 .# 60 3,0 60 .# 100 4,0 Length and width of sheets mm Tolerance for all types mm 100 .# 250
34、 0,8 250 .# 500 1,0 500 .# 1000 2,0 1000 .#2000 3,0 2000 4,0 Nominal thickness mm Maximum departure at any point of the upper surface of sheets from lightweight straight-edge for a length of 500 mm 1000 mm # 15 2,5 6 15 .# 25 2,0 4 25 . # 60 1,5 2 60 1,0 1,5EN61061-3-1:1998 6 BSI 06-1999 Annex ZA (n
35、ormative) Normative references to international publications with their corresponding European publications This European Standard incorporates by dated or undated reference, provisions from other publications. These normative references are cited at the appropriate places in the text and the public
36、ations are listed hereafter. For dated references, subsequent amendments to or revisions of any of these publications apply to this European Standard only when incorporated in it by amendment or revision. For undated references the latest edition of the publication referred to applies (including ame
37、ndments). NOTEWhen an international publication has been modified by common modifications, indicated by (mod), the relevant EN/HD applies. Publication Year Title EN/HD Year IEC 61061-1 1991 a Specification for non-impregnated, densified laminatedwood for electrical purposes Part 1: Definitions, desi
38、gnation and general requirements IEC 61061-2 1992 Part2: Methods of test a IEC 61061-1:1998 is harmonized as EN 61061-1:1998blankBS EN 61061-3-1:1998 IEC 61061-3-1: 1998 BSI 389 Chiswick High Road London W4 4AL BSIBritishStandardsInstitution BSI is the independent national body responsible for prepa
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