1、 IEC 61212-3-3 Edition 2.0 2006-08 INTERNATIONAL STANDARD NORME INTERNATIONALE Insulating materials Industrial rigid round laminated tubes and rods based on thermosetting resins for electrical purposes Part 3: Specifications for individual materials Sheet 3: Round laminated moulded rods Matriaux iso
2、lants Tubes et barres industriels rigides, ronds, stratifis, base de rsines thermodurcissables, usages lectriques Partie 3: Spcifications pour matriaux particuliers Feuille 3: Barres rondes, stratifies, moules IEC 61212-3-3:2006 THIS PUBLICATION IS COPYRIGHT PROTECTED Copyright 2006 IEC, Geneva, Swi
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17、22 919 03 00 IEC 61212-3-3 Edition 2.0 2006-08 INTERNATIONAL STANDARD NORME INTERNATIONALE Insulating materials Industrial rigid round laminated tubes and rods based on thermosetting resins for electrical purposes Part 3: Specifications for individual materials Sheet 3: Round laminated moulded rods
18、Matriaux isolants Tubes et barres industriels rigides, ronds, stratifis, base de rsines thermodurcissables, usages lectriques Partie 3: Spcifications pour matriaux particuliers Feuille 3: Barres rondes, stratifies, moules INTERNATIONAL ELECTROTECHNICAL COMMISSION COMMISSION ELECTROTECHNIQUE INTERNAT
19、IONALE J ICS 29.035.01 PRICE CODE CODE PRIX ISBN 2-8318-1060-9 Registered trademark of the International Electrotechnical Commission Marque dpose de la Commission Electrotechnique Internationale 2 61212-3-3 IEC:2006 CONTENTS FOREWORD.3 1 Scope.5 2 Normative references .5 3 Terms and definitions .5 4
20、 Designations and abbreviations6 4.1 General .6 4.2 Designation.6 4.3 Abbreviations 6 5 Requirements.6 Table 1 Types of round moulded rods 7 Table 2 Permissible deviation from nominal diameter of round moulded rods 8 Table 3 Departure from straightness for round moulded rods .8 Table 4 Properties of
21、 round moulded rods9 61212-3-3 IEC:2006 3 INTERNATIONAL ELECTROTECHNICAL COMMISSION _ INSULATING MATERIALS INDUSTRIAL RIGID ROUND LAMINATED TUBES AND RODS BASED ON THERMOSETTING RESINS FOR ELECTRICAL PURPOSES Part 3: Specifications for individual materials Sheet 3: Round laminated moulded rods FOREW
22、ORD 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-operation on all questions concerning standardization in the elec
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24、hnical 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 preparation. IEC collaborates closely with the International Org
25、anization 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 consensus of opinion on the relevant subjects since each technic
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29、in conformity with an IEC Publication. 6) All users should ensure that they have the latest edition of this publication. 7) No liability shall attach to IEC or its directors, employees, servants or agents including individual experts and members of its technical committees and IEC National Committee
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31、 Normative references cited in this publication. Use of the 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
32、responsible for identifying any or all such patent rights. International Standard IEC 61212-3-3 has been prepared by IEC technical committee 15: Standards on specifications for electrical insulating materials. This second edition cancels and replaces the first edition published in 1995 and constitut
33、es a technical revision. The main changes from the previous edition are as follows: added application use and safety statements. Reformatted document to bring it up to current IEC document format. Type EP GC 43 has been added. 4 61212-3-3 IEC:2006 This bilingual version, published in 2009-09, corres
34、ponds to the English version. The text of this standard is based on the following documents: FDIS Report on voting 15/329/FDIS 15/344/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. The French version of this sta
35、ndard has not been voted upon. A list of all parts of the IEC 61212 series, under the general title Insulating materials Industrial rigid round laminated tubes and rods based on thermosetting resins for electrical purposes, can be found on the IEC website. The committee has decided that the contents
36、 of this publication will remain unchanged until the maintenance result 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 be reconfirmed; withdrawn; replaced by a revised edition, or amended. 61212-3-3
37、 IEC:2006 5 INSULATING MATERIALS INDUSTRIAL RIGID ROUND LAMINATED TUBES AND RODS BASED ON THERMOSETTING RESINS FOR ELECTRICAL PURPOSES Part 3: Specifications for individual materials Sheet 3: Round laminated moulded rods 1 Scope This part of IEC 61212-3 gives requirements for industrial rigid round
38、laminated moulded rods for electrical purposes, based on different resins and different reinforcements. Applications and distinguishing properties are given in Table 1. Materials which conform to this specification meet established levels of performance. However, the selection of a material by a use
39、r for a specific application should be based on the actual requirements necessary for adequate performance in that application and not based on this specification alone. Safety Warning: It is the responsibility of the user of the methods contained or referred to in this document to ensure that they
40、are used in a safe manner. 2 Normative references The following referenced documents are indispensable for the application of this document. For dated references, only the edition cited applies. For undated references, the latest edition of the referenced document (including any amendments) applies.
41、 IEC 61212-1, Insulating materials Industrial rigid round laminated tubes and rods based on thermosetting resins for electrical purposes Part 1: Definitions, designations and general requirements IEC 61212-2:2006, Insulating materials Industrial rigid round laminated tubes and rods based on thermose
42、tting resins for electrical purposes Part 2: Methods of test ISO 472, Plastics Vocabulary 3 Terms and definitions For the purposes of this document, the following modified definition, which is taken from ISO 472, applies: 3.1 round laminated moulded rod (as applied to thermosets) rod formed by rolli
43、ng impregnated layers of material on a mandrel, removing the mandrel, curing in a cylindrical mould under heat and pressure, and grinding to size ISO 472, MOD 6 61212-3-3 IEC:2006 4 Designations and abbreviations 4.1 General The moulded rods covered by this standard are classified into types which d
44、iffer in the resin and reinforcement used, the method of manufacture, and their distinguishing properties. 4.2 Designation Individual types are designated by: a two-letter abbreviation denoting the resin; a second two-letter abbreviation, denoting the reinforcement; a serial number of two digits, th
45、e first digit denoting the form of the material, a “4” indicates moulded rods, and, a second digit denoting sub-grades of the same type. The abbreviations are given in 4.3. The complete designation of the moulded rod is denoted by: description: Moulded rod; number of the IEC standard: IEC 6121233; d
46、esignation of the individual type; dimensions (in millimetres of the moulded rod: diameter x length) a letter designating the finish on the external diameter of the moulded rod: “A“ designating rods in the “as produced“ condition; “B“ designating rods in ground or turned condition. EXAMPLE: Moulded
47、rod, IEC 61212-3-3 EP CC 41 25x1000 A 4.3 Abbreviations Types of resin Types of reinforcement EP Epoxy (epoxide) CC Woven cotton cloth PF Phenolic GC Woven glass cloth SI Silicone CP Cellulosic paper 5 Requirements In addition to the general requirements given in IEC 61212-1, the moulded rods shall
48、comply with the additional requirements given in Tables 2a, 2b, 3, and 4, with the exception of the length of rod supplied, which shall be subject to agreement between buyer and seller. 61212-3-3 IEC:2006 7 Table 1 Types of round moulded rods Resin Reinforce- ment Serial number Applications and dist
49、inguishing characteristicsaCC 41 Mechanical, electrical and electronic applications. Good resistance to tracking. Fine weaveb .41 Mechanical and electrical applications. High mechanical strength at moderate temperatures. Good stability of electrical properties when exposed to high relative humidity. 42 Similar to EP GC 41, but with high
