IEC 60371-3-3-1983 Specification for insulating materials based on mica Part 3 Specifications for individual materials Sheet 3 Specification for rigid mica mat.pdf

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1、NORME INTERNATIONALE INTERNATIONAL STANDARD CE1 IEC 60371 -3-3 Premire dition First edition 1983-01 Spcification pour les matriaux isolants base de mica Troisime partie: Spcifications pour matriaux particuliers Feuille 3: Matriaux rigides de mica pour appareils de chauffage Specification for insulat

2、ing materials based on mica Part 3: Specifications for individual materials Sheet 3: Specification for rigid mica materials for heating equipment Numro de rfrence Reference number CEIIIEC 60371-3-3: 1983 Numros des publications Numbering Depuis le ler janvier 1997, les publications de la CE1 sont nu

3、mrotes partir de 60000. Publications consolides Les versions consolides de certaines publications de la CE1 incorporant les amendements sont disponibles. Par exemple, les numros ddition 1.0, 1.1 et 1.2 indiquent respectivement la publication de base, la publication de base incorporant lamendement 1,

4、 et la publication de base incorporant les amendements 1 et 2. Validit de la prsente publication Le contenu technique des publications de la CE1 est constamment revu par la CE1 afin quil reflte ltat actuel de la technique. Des renseignements relatifs la date de reconfir- mation de la publication son

5、t disponibles dans le Catalogue de la CEI. Les renseignements relatifs des questions ltude et des travaux en cours entrepris par le comit technique qui a tabli cette publication, ainsi que la liste des publications tablies, se trouvent dans les documents ci- dessous: Site web de la CEP Catalogue des

6、 publications de la CE1 Publi annuellement et mis jour rgulirement (Catalogue en ligne)* Bulletin de la CE1 Disponible la fois au , de la CEI* et comme priodique imprim Terminologie, symboles graphiques et littraux En ce qui concerne la terminologie gnrale, le lecteur se reportera la CE1 60050: Voca

7、bulaire Electro- technique International (VEI). Pour les symboles graphiques, les symboles littraux et les signes dusage gnral approuvs par la CEI, le lecteur consultera la CE1 60027: Symboles littraux a utiliser en lectrotechnique, la CE1 6041 7: Symboles graphiques utilisables sur le matriel. Inde

8、x, relev et compilation des feuilles individuelles, et la CE1 60617: Symboles graphiques pour schmas. As from 1 January 1997 all IEC publications are issued with a designation in the 60000 series. Consolidated publications Consolidated versions of some IEC publications including amendments are avail

9、able. For example, edition numbers 1 .O, 1.1 and 1.2 refer, respectively, to the base publication, the base publication incor- porating amendment 1 and the base publication incorporating amendments 1 and 2. Validity of this publication The technical content of IEC publications is kept under constant

10、 review by the IEC, thus ensuring that the content reflects current technology. Information relating to the date of the reconfirmation of the publication is available in the IEC catalogue. Information on the subjects under consideration and work in progress undertaken by the technical committee whic

11、h has prepared this publication, as well as the list of publications issued, is to be found at the following IEC sources: IEC web site“ Catalogue of IEC publications Published yearly with regular updates (On-line catalogue)* IEC Bulletin Available both at the IEC web site* and as a printed periodica

12、l Terminology, graphical and letter symbols For general terminology, readers are referred to I EC 60050: International Electrotechnical Vocabulary (IEV). For graphical symbols, and letter symbols and signs approved by the IEC for general use, readers are referred to publications IEC 60027: Letter sy

13、mbols to be used in electrical technology, IEC 60417: Graphical symbols for use on equipment. Index, survey and compilation of the single sheets and IEC 60617: Graphical symbols for diagrams. * Voir adresse site web sur la page de titre. See web site address on title page. NORME CE1 IEC INTERNATIONA

14、LE INTERNATIONAL STANDARD 60371 -313 Premire dition First edition 1983-01 Spcification pour les matriaux isolants base de mica Troisime partie: Spcifications pour matriaux particuliers Feuille 3: Matriaux rigides de mica pour appareils de chauffage Specification for insulating materials based on mic

15、a Part 3: Specifications for individual materials Sheet 3: Specification for rigid mica materials for heating equipment O IEC 1983 Droits de reproduction rservs - Copyright - all rights reserved Aucune partie de cette publication ne peut dans ce cas, lagglomrant doit possder la rsistance voulue la t

16、emprature de fonctionnement. Ces matriaux peuvent tre fournis en feuilles, en bandes ou en morceaux plans. Lpaisseur nomi- nale minimale est de 0,30 mm pour les matriaux base de clivures de mica et de 0,20 mm pour les matriaux base de papier de mica. 2. Prescriptions gnrales Le matriau ltat de livra

17、ison doit prsenter une duret uniforme et tre exempt de parties tendres et de matires trangres. La qualit et les caractristiques visuelles des clivures, de mme que la nature du papier de mica et de lagent agglomrant, doivent faire lobjet dun accord entre fournisseur et acheteur. 3. Dtection des dfaut

18、s et des particules conductrices dans les feuilles En attendant quune mthode de dtection des dfauts ait t convenue pour la Publication 371-2 de la CEI: Spcification pour les matriaux isolants base de mica, Deuxime partie: Mthodes dessais, le nombre et le type des dfauts acceptables font lobjet dun a

19、ccord entre fournisseur et acheteur. 371-3-3 O IEC 1983 -5- SPECIFICATION FOR INSULATING MATERIALS BASED ON MICA Part 3: Specifications for individual materials Sheet 3: Specification for rigid mica materials for heating equipment INTRODUCTION This standard is one of a series which deals with insula

20、ting material for use in electrical equipment built up from mica Splittings or mica paper. The series consists of the three following parts: Part 1 : Definitions and General Requirements. Part 2: Methods of Test. Part 3 : Specifications for Individual Materials. 1. Scope This sheet of the standard g

21、ives requirements for several types of rigid mica materials based on mica Splittings or mica paper for application in electrical heating equipment. These products may be made from muscovite or phlogopite mica with a suitable bonding medium. The binder may be totally driven off in service, giving a m

22、aterial which needs to be supported, or may remain totally or partially, giving a self-supporting material; in this case, the binder shall have the necessary resistance to the operating temperature. The products may be supplied in sheets, strips or flat pieces. The minimum nominal thickness is 0.30

23、mm (mica Splittings) and 0.20 mm (mica paper). 2. General requirements The material as supplied shall be of uniform hardness, free from soft patches and foreign matter. The grade and visual characteristics of the Splittings, as well as the nature of the mica paper and the bonding medium, shall be ag

24、reed between supplier and purchaser. 3. Detection of defects and conducting particles in sheets Until a method of detection of defects has been agreed for IEC Publication 371-2: Specification for Insulating Materials based on Mica, Part 2: Methods of Test, the accepted type and number of defects is

25、subject to agreement between supplier and purchaser. -6- 1 371-3-3 O CE1 1983 2 3 4 4. Epaisseur: mesure et tolrances 1 Lpaisseur doit tre mesure en utilisant lprouvette et la mthode dfinies dans la Publi- cation 371-2 de la CEI. Lpaisseur (valeur mdiane), exprime en millimtres, ne doit pas scarter

26、de la valeur nominale de plus des tolrances indiques dans les tableaux I et II. Ces tableaux donnent galement les diffrences admissibles entre les mesures individuelles pratiques sur une mme prouvette. 2 3 TABLEAU 1 Tolrances sur lpaisseur Matriaux base de clvures de mica Epaisseur nominale * (mm) T

27、olrances Epaisseur Mesures individuelles de lprouvette (brut et poli) (mm) (mm) I Tolrances Epaisseur nominale* 0,30 0,40 0,50 0,60 0,80 1,oo E p a i s s e u r de lprouvette I Mesures individuelles f 0,06 * 0,06 f 0,07 it 0,08 f0,lO it 0,12 I +0,20 -0,13 I +0,20 -0,15 +0,25 -0,15 +0,25 -0,15 +0,27 -

28、0,17 +0,30 - 0,20 Accord entre fournisseur et acheteur Au-del de 1,OO Aucune tolrance nest spcifie I * Les paisseurs intermdiaires doivent tre fournies avec une tolrance en rapport avec la valeur nominale de lpaisseur suprieure la plus proche TABLEAU II Tolrunces sur lpaisseur Matriaux base de papie

29、r de mica 0,20 0,30 0,40 0,50 0,60 0,80 1 ,o0 Au-del de 1,OO f0,04 I0,04 tr 0,04 f 0,05 f 0,05 f 0,06 f 0,07 - f 0,05 f 0,05 f0,06 I0,07 f 0,07 f 0,08 +OJO f 10% * Les paisseurs intermdiaires doivent tre fournies avec une tolrance en rapport avec la valeur nominale de lpaisseur suprieure la plus proche.

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