BS EN 61300-3-52-2014 Fibre optic interconnecting devices and passive components Basic test and measurement procedures Examinations and measurements Guide hole and alignment pin det.pdf

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1、BSI Standards PublicationFibre optic interconnecting devices and passive components Basic test and measurement proceduresPart 3-52: Examinations and measurements Guide hole and alignment pin deformation constant, CD for 8 degree angled PC rectangular ferrule, single mode fibresBS EN 61300-3-52:2014N

2、ational forewordThis British Standard is the UK implementation of EN 61300-3-52:2014. It isidentical to IEC 61300-3-52:2014.The UK participation in its preparation was entrusted by TechnicalCommittee GEL/86, Fibre optics, to Subcommittee GEL/86/2, Fibre opticinterconnecting devices and passive compo

3、nents.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 ofa contract. Users are responsible for its correct application. The British Standards Institution 2014.Published by BSI St

4、andards Limited 2014ISBN 978 0 580 79088 1ICS 33.180.20Compliance with a British Standard cannot confer immunity fromlegal obligations.This British Standard was published under the authority of theStandards Policy and Strategy Committee on 30 April 2014.Amendments/corrigenda issued since publication

5、Date Text affectedBRITISH STANDARDBS EN 61300-3-52:2014EUROPEAN STANDARD EN 61300-3-52 NORME EUROPENNE EUROPISCHE NORM April 2014 CENELEC European Committee for Electrotechnical Standardization Comit Europen de Normalisation Electrotechnique Europisches Komitee fr Elektrotechnische Normung CEN-CENEL

6、EC Management Centre: Avenue Marnix 17, B - 1000 Brussels 2014 CENELEC - All rights of exploitation in any form and by any means reserved worldwide for CENELEC members. Ref. No. EN 61300-3-52:2014 E ICS 33.180.20 English version Fibre optic interconnecting devices and passive components - Basic test

7、 and measurement procedures - Part 3-52: Examinations and measurements - Guide hole and alignment pin deformation constant, CD for 8 degree angled PC rectangular ferrule, single mode fibres (IEC 61300-3-52:2014) Dispositifs dinterconnexion et composants passifs fibres optiques - Procdures fondamenta

8、les dessais et de mesures - Partie 3-52: Examens et mesures - Constante CD de dformation de lalsage de guidage et de la broche dalignement, pour frule rectangulaire PC avec angle de 8 degrs, fibres unimodales (CEI 61300-3-52:2014) Lichtwellenleiter - Verbindungselemente und passive Bauteile - Grundl

9、egende Prf- und Messverfahren - Teil 3-52: Messung - Deformationskonstante CD der Fhrungsbohrung und des Fhrungsstifts einer 8 abgeschrgten Rechteckferrule mit physikalischem Kontakt fr Einmodenfasern (IEC 61300-3-52:2014) This European Standard was approved by CENELEC on 2014-03-13. CENELEC members

10、 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 concerning such national standards may be obtained on application

11、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 member into its own language and notified to the CEN-CENELEC Ma

12、nagement 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, Former Yugoslav Republic of Macedonia, France, Germany, Greece, Hungary, Iceland,

13、Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, the Netherlands, Norway, Poland, Portugal, Romania, Slovakia, Slovenia, Spain, Sweden, Switzerland, Turkey and the United Kingdom. BS EN 61300-3-52:2014EN 61300-3-52:2014 - 2 - Foreword The text of document 86B/3704/FDIS, future edition 1 of IEC

14、61300-3-52, prepared by SC 86B “Fibre optic interconnecting devices and passive components“ of IEC/TC 86 “Fibre optics“ was submitted to the IEC-CENELEC parallel vote and approved by CENELEC as EN 61300-3-52:2014. The following dates are fixed: latest date by which the document has to be implemented

15、 at national level by publication of an identical national standard or by endorsement (dop) 2014-12-13 latest date by which the national standards conflicting with the document have to be withdrawn (dow) 2017-03-13 Attention is drawn to the possibility that some of the elements of this document may

16、be the subject of patent rights. CENELEC and/or CEN shall not be held responsible for identifying any or all such patent rights. Endorsement notice The text of the International Standard IEC 61300-3-52:2014 was approved by CENELEC as a European Standard without any modification. In the official vers

17、ion, for Bibliography, the following notes have to be added for the standards indicated: IEC 61754-7 NOTE Harmonized as EN 61754-7. IEC 61754-10 NOTE Harmonized as EN 61754-10. BS EN 61300-3-52:2014 2 61300-3-52 IEC:2014 CONTENTS 1 Scope 5 2 General description . 5 2.1 General 5 2.2 Test conditions

18、6 3 Apparatus 6 3.1 Precision linear scale . 6 3.2 Sample preparation 7 4 Procedure 8 5 Details to be specified . 8 Bibliography 9 Figure 1 Yiand CDdefinitions . 5 Figure 2 Precision linear scale and CDmeasurement set-up 7 Figure 3 Sample preparation 8 Table 1 Test conditions 6 BS EN 61300-3-52:2014

19、61300-3-52 IEC:2014 5 FIBRE OPTIC INTERCONNECTING DEVICES AND PASSIVE COMPONENTS BASIC TEST AND MEASUREMENT PROCEDURES Part 3-52: Examinations and measurements Guide hole and alignment pin deformation constant, CDfor 8 degree angled PC rectangular ferrule, single mode fibres 1 Scope This part of IEC

20、 61300 describes a procedure to measure guide hole and alignment pin deformation constant, CDfor 8 degree angled PC rectangular ferrule multi-fibre connectors. 2 General description 2.1 General Alignment pin and ferrule deformation dependence on applied force at the pin edge can vary for different f

21、errule design attributes including material properties, internal geometry and surface roughness. The amount of deformation influences the amount of y-direction translation and therefore the nominal y-offset location of the fibre cores, Yi. Yiis described by the next expression and shown in Figure 1:

22、 Yi= (ID-OD)/2 + CDwhere is the coefficient that depends on the difference between guide hole pitches for mated plugs; ID is the inside diameter of the guide hole; OD is the outside diameter of the alignment pin; CD is the alignment pin and guide hole deformation constant for an applied force of 0,7

23、 N to each hole corresponding to the nominal mating force value of 9,8 N. E U 2 D Y X XiB YiV A U V U IEC 0284/14 Figure 1 Yiand CDdefinitions BS EN 61300-3-52:2014 6 61300-3-52 IEC:2014 2.2 Test conditions For precise measurement such as design verification, the test condition shall be controlled a

24、s required in Table 1. Table 1 Test conditions Condition Requirement Temperature T 22,0C to 24,0 C MT ferrule adhesion Adhesive shall not cover guide pins. MT ferrule position MT ferrule shall be centred on gauge block Relative humidity RH (50,0 10,0) % RH Maximum pin size 0,6988 mm 3 Apparatus 3.1

25、Precision linear scale The structure of precision linear scale used for the CDmeasurement is shown in Figure 2. The apparatus consists of a measurement force setter, a force indicator, a position indicator, a scale head touching the samples to be measured and a scale stage. The linear scale has a re

26、solution of 1/100 m and the measurement force setting up to 2,20 N. The measurement procedure is as follows: a) Measurement force applied between the scale head and the scale stage of the linear scale is adjusted by the measurement force setter. b) The measurement force is read directly from the for

27、ce indicator of the main body. BS EN 61300-3-52:201461300-3-52 IEC:2014 7 Scale head touching on the pin at the ferrule edge 4 6 5 1 Precision linear scale Resolution: 1/100 (m) 3 123,45 2 7 8 IEC 0285/14 Key 1 measurement force setter 2 force indicator 3 position indicator 4 gauge block 5 scale hea

28、d 6 MT ferrule 7 adhesive 8 alignment pin Figure 2 Precision linear scale and CDmeasurement set-up 3.2 Sample preparation Each sample MT ferrule is fixed with a cyanoacrylate type adhesive at the edge of a gauge block. A gauge block is employed due to its very fine surface roughness, surface hardnes

29、s and parallelism between two surfaces. The MT ferrule shall be located centrally on the gauge block. The adhesive shall not touch the guide holes. Alignment pins are inserted into the guide holes with the pin top protrusions from the ferrule less than 0,5 mm, as shown in Figure 3. BS EN 61300-3-52:

30、2014 8 61300-3-52 IEC:2014 Less than 0,5 mm 1 2 3 4 IEC 0286/14 Key 1 gauge block 2 adhesive 3 MT ferrule 4 alignment pins with pin clamp Figure 3 Sample preparation 4 Procedure Details of the measurement procedure are as follows: a) Before measuring, the surface of the sample gauge block and the fe

31、rrule need to be cleaned. The end of the alignment pin shall protrude from the ferrule by less than 0,5 mm. b) The sample is placed stably between the scale head and the scale stage with the maximum measurement force as shown in Figure 2. Put the scale head in contact with the protruding guide pin a

32、nd set to zero for displacement. c) The measurement force is set to the minimum, 0,5 N, and the position indicator display is read. The measurement force is increased in constant steps; at each step, the position indicator display is read. The setting is changed to the maximum measurement force, 1,4

33、 N, and the position indicator display is read. d) This measurement is repeated five times for each guide hole, and the average values of the data are plotted in the graph, then a fitted line is applied to the plots. Then the inclination of deformation to the force is obtained. The CDvalues for a 9,

34、8 N mating force are obtained for the deformation at 0,7 N ( 9,8 N x sin8 x 0,5) of the measuring force. 5 Details to be specified The following details shall be stated in the relevant specification: procedure of preparations; gauge block specification; alignment pin specification; acceptable value

35、of guide hole and alignment pin deformation constant CD; maximum measurement force applied to the sample; difference from this method. measurement uncertainty. BS EN 61300-3-52:201461300-3-52 IEC:2014 9 Bibliography IEC 61754-7, Fibre optic interconnecting devices and passive components Fibre optic

36、connector interfaces Part 7: Type MPO connector family IEC 61754-10, Fibre optic connector interfaces Part 10: Type Mini-MPO connector family IEC/PAS 61755-3-32, Fibre optic connector optical interfaces Part 3-32: Optical interface, 8 degrees angled PC end-face thermoset rectangular ferrule, single

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