1、BRITISH STANDARD AEROSPACE SERIES I Elements of electrical and optical connection - Test methods - Part 407: Durability of contact retention system and seals “he European Standard EN 2591-407 1999 has the status of a British Standard ICs 49.060 NO COPYING WITHOUT BSI PERMISSION EXCEPT AS PERMITTED B
2、Y COPYRIGm LAW STDDBSI BS EN 2571-07-ENGL 1797 W 1bZYbb9 0783708 TO9 Ipo duection of the Engineering Sector Committee, was published under the authority of the Standards Committee and comes into effect on 15 July 1999 Amd. No. BS EN 2591-407:1999 Date Comments National foreword This British Standard
3、 is the English language version of EN 2591407 1999. The UK participation in its preparation was entrusted by Technical Committee ACWG, Aerospace avionic, electrical and fibre optic technology, to Subcommittee ACWm, Aerospace connectors, which has the responsibility to: - aid enquirers to understand
4、 the text; - present to the responsible internatio - monitor related international and European developments and promulgate them in the UK. A iist of organizations represented on this subcommittee can be obtained on request to its secretary. Cross-references The British Standards which implement int
5、ernational or European publications referred to in this document may be found in the BSI Standards Catalogue under the section entitled “Intemationai Standards Correspondence Index“, or by using the “Find“ facility of the BSI Standards Electronic Catalogue. A British Standard does not purport to inc
6、lude all the necessary provisions of a conmt 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, the EN t
7、itle page, pages 2 to 4, an inside back cover and a back cover. O BSI 07-1999 ri ISBN O 580 32645 4 STD-BSI BS EN 2571-407-ENGL 1999 m Lb24bb9 0783709 945 EUROPEAN STANDARD NORME EUROPENNE EUROPISCHE NORM EN 2591-407 March 1999 ICs 49.060 English version Aerospace series - Elements of electrical and
8、 optical connection - Test methods - Part 407: Durability of contact retention system and seals Srie arospatiale - Organes de connexion lectrique et optique - Mthodes dessais - Partie 407: Endurance du systerne de rtention et dtanchit des contacts Luft- und Raumfahrt - Elektrische und optische Verbi
9、ndungselemente - Prfverfahren - Teil 407: Bestndigkeit der Kontakthalterungen und -dichtung This European Standard was approved by CEN on 23 Februaty 1998 CEN members are bound to comply with the CEWCENELEC Internal Regulations which stipulate the conditions for giving this European Standard the sta
10、tus 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 Central Secretariat or to any CEN member. This European Standard exists in three official versions (English, French, German). A
11、version in any other language made by translation under the responsibility of a CEN member into its own language and noled to the Central Secretariat has the same status as the official venions. CEN members are the national standards bodies of Auslria. Belgium. Czech Republic, Denmark, Finland, Fran
12、ce, Germany, Greece. Iceland. Ireland. Italy. Luxembourg. Netherlands. Norway. Portugal. Spain, Sweden, Switzerland and United Kingdom. Il WOPi COIMilTEE FOR STANDARDIIATION COllTt tlROPtEN DE NORMALISATION ri ROPISCHES KOMITEE UR NORMUNG Central Secretariat: rue de Stassart. 36 8-1050 Brussels 0 19
13、99 CEN All nghts of exploitation in any form and by any means reserved worldwide for CEN national Members. Ref. No. EN 2591-407:1999 E STDOBSI BS EN 2593-407-ENGL 1999 R4 3bil4bbS 0783730 bb7 m Page 2 EN 2591 -40717 999 Foreword This European Standard has been prepared by the European Association of
14、 Aerospace Manufacturers (AECMA). After inquiries and votes carried out in accordance with the rules of this Association, this Standard has received the approval of the National Associations and the Official Services of the member countries of AECMA, prior to its presentation to CEN. This European S
15、tandard shall be given the status of a national standard, either by publication of an identical text or by endorsement, at the latest by September 1999, and conflicting national standards shall be withdrawn at the latest by September 1999. According to the CENICENELEC Internal Regulations, the natio
16、nal standards organizations of the following countries are bound to implement this European Standard: Austria, Belgium, Czech Republic, Denmark, Finland, France, Germany, Greece. Iceland, Ireland, Italy, Luxembourg, Netherlands, Norway, Portugal, Spain, Sweden, Switzerland and the United Kingdom. ST
17、D-BSI BS EN 2591-VO7-ENGL 3999 m Lb2L;b69 0783733 5T3 E Page 3 EN 2591-407:1999 1 scope This standard specifies a method of assessing the durability of contact retention system and seals of elements of connection subjected to repeated contact insertiodextraction. It shall be used together with EN 25
18、91. 2 Normative references 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 publications are listed hereafter. For dated references, subsequent amendments to or rev
19、isions 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. EN 2591 EN 2591-101 EN 2591-312 EN 2591-313 EN 2591 -31 4 EN 2591-409 EN 2591-412 EN 2591.026 A
20、erospace series - Elements of electrical and optical connection - Test methods - General Aerospace series - Elements of electrical and optical connection - Test methods - Part 1 O1 : Visual examination Aerospace series - Elements of electrical and optical connection - Test methods - Part 31 2: Air l
21、eakage Aerospace series - Elements of electrical and optical connection - Test methods - Part 31 3: Driving rain (artificial) Aerospace series - Elements of electrical and optical connection - Test methods - Part 314: Immersion at low air pressure Aerospace series - Elements of electrical and optica
22、l connection - Test methods - Part 409: Contact retention in insert Aerospace series - Elements of electrical and optical connection - Test methods - Part 41 2: Contact insertion and extraction forces Aerospace series - Elements of electrical and optical connection - Test methods - Part 026: Contact
23、 retention system effectiveness (removable contact walkout) 1) 3 Preparation of specimens 3.1 Specimens shall be prepared according io the technical specification. 3.2 Unless specified in the technrai specification. the following details shall be stated: - mounting method. type of cable and definiti
24、on of specimen wiring (all accessories shall be removed); - inserlioniextraction tools. - initial measurements (11 applicable). - final measurements (if applicable) 1) Published as AECMA Prestandard at the date of publication of this standard STD=BSI BS EN 2571-907-EMGL 1719 18 lb29bb7 0783732 q3T D
25、 Page 4 EN 2591 -407:1999 4 Method 4.1 Initial measurements (if applicable) Specimens shall be submitted to the following test sequence: - EN 2591-409; - EN 2591 -41 2; - EN 2591 -31 2 or EN 2591 -31 3 or EN 2591 -314. 4.2 See table 1, Number of contacts to be tested for each size Table 1 1 I Number
26、 to be tested % Number of contacts I 6 to 60 61 to 130 2 131 50 (with a minimum of 6 specimens) 25 (with a minimum of 31 specimens) 10 (with a minimum of 34 specimens) At least one contact shall be close to the insert periphery and one near the centre. Selected contacts shall not have been removed p
27、reviously. 4.3 Procedure Each contact shall be inserted and extracted 1 O times with the specified tools. 4.4 Final measurements (if applicable) The specimens shall be subjected to the following test sequence: - EN 2591-409; - EN 2591-412; - EN 2591-101; - EN 2591-312 or EN 2591-313or EN 2591-314; -
28、 EN 2591 -026, this test shall be carried out using new contacts. BS EN 2591-407:1999 BSI 389 Chiswick High Road London w4 4AL D=BSI BS EN 2591-LI07-ENGC 1977 E Lb2LIbbS 0783733 37b H BSI - British Standards Institution BSI is the independent national body responsible for preparing British Standards
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