BS EN 61300-3-33-2012 Fibre optic interconnecting devices and passive components Basic test and measurement procedures Examinations and measurements Withdrawal force from a resilie.pdf

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1、raising standards worldwideNO COPYING WITHOUT BSI PERMISSION EXCEPT AS PERMITTED BY COPYRIGHT LAWBSI Standards PublicationFibre optic interconnectingdevices and passive components Basic test and measurement proceduresPart 3-33: Examinations and measurements Withdrawal force from a resilient alignmen

2、t sleeve using gauge pinsBS EN 61300-3-33:2012National forewordThis British Standard is the UK implementation of EN 61300-3-33:2012. It isidentical to IEC 61300-3-33:2012. It supersedes BS EN 61300-3-33:1999which is withdrawn.The UK participation in its preparation was entrusted by Technical Committ

3、eeGEL/86, Fibre optics, to Subcommittee GEL/86/2, Fibre optic interconnectingdevices and passive components.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 acontract. Users a

4、re responsible for its correct application. The British Standards Institution 2012Published by BSI Standards Limited 2012ISBN 978 0 580 68069 4ICS 33.180.20Compliance with a British Standard cannot confer immunity fromlegal obligations.This British Standard was published under the authority of the S

5、tandardsPolicy and Strategy Committee on 30 June 2012.Amendments issued since publicationAmd. No. Date Text affectedBRITISH STANDARDBS EN 61300-3-33:2012EUROPEAN STANDARD EN 61300-3-33 NORME EUROPENNE EUROPISCHE NORM May 2012 CENELEC European Committee for Electrotechnical Standardization Comit Euro

6、pen de Normalisation Electrotechnique Europisches Komitee fr Elektrotechnische Normung Management Centre: Avenue Marnix 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 61300-3-33:2012 E ICS 33.180.20 Sup

7、ersedes EN 61300-3-33:1999English version Fibre optic interconnecting devices and passive components - Basic test and measurement procedures - Part 3-33: Examinations and measurements - Withdrawal force from a resilient alignment sleeve using gauge pins (IEC 61300-3-33:2012) Dispositifs dinterconnex

8、ion et composantspassifs fibres optiques - Mthodes fondamentales dessais et de mesures - Partie 3-33: Examens et mesures - Force de retenue des manchons dalignement lastiques, au moyen de broches calibres (CEI 61300-3-33:2012) Lichtwellenleiter -Verbindungselemente und passive Bauteile - Grundlegend

9、e Prf- und Messverfahren - Teil 3-33: Untersuchungen und Messungen - Ausziehkraft aus einer verformbaren Zentrierhlse unter Verwendung von Prfstiften (IEC 61300-3-33:2012) This European Standard was approved by CENELEC on 2012-03-28. CENELEC members are bound to comply with the CEN/CENELEC Internal

10、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 to the CEN-CENELEC Management Centre or to any CENE

11、LEC 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 Management Centre has the same status as the official

12、 versions. CENELEC members are the national electrotechnical committees of Austria, Belgium, Bulgaria, Croatia, Cyprus, the Czech Republic, Denmark, Estonia, Finland, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, the Netherlands, Norway, Poland, Por

13、tugal, Romania, Slovakia, Slovenia, Spain, Sweden, Switzerland, Turkey and the United Kingdom. BS EN 61300-3-33:2012EN 61300-3-33:2012 - 2 - Foreword The text of document 86B/3221/CDV, future edition 2 of IEC 61300-3-33, prepared by IEC/SC 86B, “Fibre optic interconnecting devices and passive compon

14、ents“, of IEC/TC 86, “Fibre optics“ was submitted to the IEC-CENELEC parallel vote and approved by CENELEC as EN 61300-3-33:2012. 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 by endorsemen

15、t (dop) 2012-12-28 latest date by which the national standards conflicting with the document have to be withdrawn (dow) 2013-03-28 This document supersedes EN 61300-3-33:1999. The changes with respect to EN 61300-3-33:1999 are to reconsider the entire document according to the updated CENELEC rules

16、and to add a gauge and a solvent into Clause 4, and to add a general subclause and cleaning procedure into Clause 6. Attention is drawn to the possibility that some of the elements of this document may be the subject of patent rights. CENELEC and/or CEN shall not be held responsible for identifying

17、any or all such patent rights. Endorsement notice The text of the International Standard IEC 61300-3-33:2012 was approved by CENELEC as a European Standard without any modification. BS EN 61300-3-33:2012- 3 - EN 61300-3-33:2012 Annex ZA (normative) Normative references to international publications

18、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 the edition cited applies. For undated references, the latest edition of the referenced docum

19、ent (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 61300-1 - Fibre optic interconnecting devices and passive components - Basic test and measur

20、ement procedures - Part 1: General and guidance EN 61300-1 - IEC 61754 Series Fibre optic connector interfaces EN 61754 Series IEC 61755-3 Series Fibre optic connector optical interfaces EN 61755-3 Series IEC/TR 62627-01 - Fibre optic interconnecting devices and passive components - Part 01: Fibre o

21、ptic connector cleaning methods - - BS EN 61300-3-33:2012 2 61300-3-33 IEC:2012(E) CONTENTS 1 Scope . 5 2 Normative references . 5 3 General description 5 4 Apparatus . 6 4.1 General . 6 4.2 Test unit 6 4.3 Gauge pins 6 4.4 Solvent 7 5 Test set up . 7 6 Procedure 7 6.1 General . 7 6.2 Testing 7 7 Ca

22、lculation or interpretation of results 8 8 Details to be specified 8 Annex A (normative) Loading velocity 9 Annex B (informative) Round-robin test results of zirconia alignment sleeves 10 Figure 1 Test unit with applied force on the gauge pin . 6 Figure B.1 Test unit . 11 Figure B.2 Round-robin test

23、 results 11 BS EN 61300-3-33:201261300-3-33 IEC:2012(E) 5 FIBRE OPTIC INTERCONNECTING DEVICES AND PASSIVE COMPONENTS BASIC TEST AND MEASUREMENT PROCEDURES Part 3-33: Examinations and measurements Withdrawal force from a resilient alignment sleeve using gauge pins 1 Scope This part of IEC 61300 descr

24、ibes the procedure to measure the withdrawal force between the ferrule (gauge pin) of the plug connector and the resilient alignment sleeve of the adapter. The gauge pin should have the same shape (chamfer) like the normal ferrules described in the optical interface, see IEC 61755-3 series and IEC 6

25、1754 series. This measurement procedure is applicable to single-fibre cylindrical ferrule optical connectors. 2 Normative references The following documents, in whole or in part, are normatively referenced in this document and are indispensable for its application. For dated references, only the edi

26、tion cited applies. For undated references, the latest edition of the referenced document (including any amendments) applies. IEC 61300-1, Fibre optic interconnecting devices and passive components Basic test and measurement procedures Part 1: General and guidance IEC 61754 (all parts), Fibre optic

27、connector interfaces IEC 61755-3 (all parts), Fibre optic connector optical interfaces IEC/TR 62627-01, Fibre optic interconnecting devices and passive components Part 01: Fibre optic connector cleaning methods 3 General description The contact force between the mating ferrules in a fibre optic conn

28、ector is the difference between the breakaway friction force and the spring force of the connector. To maintain contact, the breakaway friction force must remain below the spring force. The ferrule withdrawal force is the highest force (breakaway force) required to remove one of the ferrules from th

29、e sleeve of a fibre optic connector. The mechanics of friction result in significant variations in the measurement of breakaway friction force. The criteria to be applied to the results of these measurements must account for the spread that is inherent in the mechanism being measured (see Annex B).

30、BS EN 61300-3-33:2012 6 61300-3-33 IEC:2012(E) 4 Apparatus 4.1 General The specimen is a resilient sleeve of a connector set. The measurement is made with two gauge pins inserted so that they meet at the centre of the sleeve. Force is applied to the end of one of the gauge pins as shown in Figure 1.

31、 Sleeves Gauge pin assembly Stop b a F IEC 174/12 Key a, b Gauge pin F Withdrawal force Figure 1 Test unit with applied force on the gauge pin 4.2 Test unit A force is applied to the gauge pin with a force generator that applies a continuously increasing force and is equipped with a force gauge to r

32、ecord the peak force that occurs at breakaway (see Annex A). The test unit is a sleeve with two gauge pins inserted so as to touch at the centre of the sleeve. The interface between the two gauge pins shall be located within 10 % of the length of the sleeve from the centre of the sleeve itself. 4.3

33、Gauge pins The gauge pins may be solid pins or connector ferrules that meet the gauge pin requirements. The gauge pin assembly consists of the gauge pin and a fixture for the application of load. The gauge pin is generally produced to the maximum material size of the resilient feature. The gauge pin

34、 shall be defined in the relevant specification. The definition shall include dimensions, material, surface hardness, roughness for the area of the gauge in contact with the resilient member and cylindricity. The requirements for the gauge pin are as follows: a) diameters of the gauge pins shall be

35、as specified in the relevant specification; b) the diameter of the two gauge pins used in a given test shall be within 0,5 m of each other; c) the lengths of each gauge pin shall be sufficient to allow it to extend half-way into the sleeve and have enough left protruding out of the sleeve to allow f

36、or the attachment of a fixture or force generator; 61300-3-33 IEC:2012(E) 7 d) the end of the gauge pin that is inserted shall have a nominal 45 chamfer to a depth of 0,1mm (breaking the edge of the gauge pin). e) the following normative values shall be used where the parameters are not defined in t

37、he relevant specification: zirconia ceramics shall be the material used; surface finish (Ra) and roundness shall be within 0,2 m and 0,5 m, respectively. 4.4 Solvent Prior to testing, each resilient alignment sleeve and gauge pin shall be cleaned by wiping, using for example lint-free wipes and swab

38、s. The cleaning action shall consist of thorough rubbing or scrubbing. Moistening wipes should be avoided. If moistening is necessary, following cleaning, resilient alignment sleeve and gauge pins are preconditioned at 40 C for 0,5 h and then returned to room temperature for at least 0,5 h. As solve

39、nt it is recommended to use IPA (isopropyl alcohol), see also IEC/TR 62627-01. It is recommended to choose solvents and cleaning agents in the observance of safety rules. 5 Test set up Force is applied to the end of one of the gauge pins and to the edge of the sleeve as shown in Figure 1. The test f

40、ixture shall be such that only two forces are applied to the moving gauge pin: the force withdrawing the pin, and the frictional force between the gauge pin and the sleeve. The force on the pin should be applied along the axis of the sleeve, as shown in Figure 1. The linkage through which force is a

41、pplied to the gauge pin assemblies shall not apply a bending load. Either swivel joints or flexible members are recommended when a load is applied to the gauge pin assemblies. The sleeves shall be reversed for a second set of measurements. 6 Procedure 6.1 General The measurement is made using a forc

42、e generator. Force is applied to one gauge pin, in order to extract it while the other gauge pin remains in place. During the test the resilient sleeve shall be free to move in radial direction. 6.2 Testing Effort should be taken during the test to avoid any contamination of the sleeves or gauges. T

43、o compensate for the weight of the test fixture, the indicator on the force gauge shall be adjusted to zero. Force is to be applied at a continuous rate (see Annex A). The maximum force applied to the gauge pin shall be recorded during extraction of the first third part of the whole length of the ga

44、uge pin inserted into the sleeve. BS EN 61300-3-33:2012 8 61300-3-33 IEC:2012(E) Unless otherwise specified, an equal number of measurements shall be made from each end of the sleeve. 7 Calculation or interpretation of results Unless otherwise specified, the set of data from the end of the sleeve wi

45、th the higher values of withdrawal force shall be used to characterize the sleeve. Sampling plans and the analysis of the results should be specified in the relevant specification. See Annex B for estimates of the repeatability and reproducibility of ferrule withdrawal force measurements. 8 Details

46、to be specified The relevant specification shall specify the following details: gauge characteristics (dimensions, roundness and cylindricity of gauge pins and rings, material hardness and surface roughness at the bearing surfaces); maximum allowable gauge retention force; pre-conditioning procedure

47、; recovery procedure; acceptance/failure criteria; number of times the test is performed on each component; configuration of the component under test; any deviations from measuring procedure; sampling plan; procedures for analysis of the data. BS EN 61300-3-33:201261300-3-33 IEC:2012(E) 9 Annex A (n

48、ormative) Loading velocity The rate at which force applied to the test unit shall be increased is limited by the response or the capture rate of the force gauge. With a mechanically driven instrument, the rate at which force increases is a function of both the velocity of the cross-head and the stif

49、fness of the linkage between the cross-head and the test unit. Loading rates of approximately 100 mm/min are generally considered acceptable for mech-anically driven instruments. The following equation may be used to evaluate peak error: E = cRKVwhere, K is the system stiffness forcedistance; V is the velocity of the crosshead distancetime; Rc is the capture rate of the force gauge eventstime. System stiffness is the ratio of the increase in force on th

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