1、 g49g50g3g38g50g51g60g44g49g42g3g58g44g55g43g50g56g55g3g37g54g44g3g51g40g53g48g44g54g54g44g50g49g3g40g59g38g40g51g55g3g36g54g3g51g40g53g48g44g55g55g40g39g3g37g60g3g38g50g51g60g53g44g42g43g55g3g47g36g58rods Dimensions The European Standard EN 4425:2006 has the status of a British StandardICS 49.030.5
2、0Washers, tab in corrosion resisting steel for flight control BRITISH STANDARD AEROSPACE SERIESBS EN4425:2006BS EN 4425:2006This British Standard was published under the authority of the Standards Policy and Strategy Committee on 30 June 2006 BSI 2006ISBN 0 580 48435 1Cross-referencesThe British Sta
3、ndards which implement international or European publications referred to in this document may be found in the BSI Catalogue under the section entitled “International Standards Correspondence Index”, or by using the “Search” facility of the BSI Electronic Catalogue or of British Standards Online.Thi
4、s publication does not purport to include all the necessary provisions of a contract. Users are responsible for its correct application. Compliance with a British Standard does not of itself confer immunity from legal obligations.Summary of pagesThis document comprises a front cover, an inside front
5、 cover, the EN title page, pages 2 to 6, an inside back cover and a back cover.The BSI copyright notice displayed in this document indicates when the document was last issued.Amendments issued since publicationAmd. No. Date CommentsA list of organizations represented on this committee can be obtaine
6、d on request to its secretary. present to the responsible international/European committee any enquiries on the interpretation, or proposals for change, and keep UK interests informed; monitor related international and European developments and promulgate them in the UK.National forewordThis British
7、 Standard is the official English language version of EN 4425:2006. The UK participation in its preparation was entrusted to Technical Committee ACE/12, Aerospace fasteners and fastening systems, which has the responsibility to: aid enquirers to understand the text;EUROPEAN STANDARDNORME EUROPENNEEU
8、ROPISCHE NORMEN 4425June 2006ICS 49.030.50English VersionAerospace series - Washers, tab in corrosion resisting steel forflight control rods - DimensionsSrie arospatiale - Freins dcrous en acier rsistant lacorrosion pour bielles de commandes de vol - DimensionsLuft- und Raumfahrt - Sicherungsbleche
9、auskorrosionsbestndigem Stahl, fr Bediengestnge vonFlugsteuerungen - MaeThis European Standard was approved by CEN on 20 April 2006.CEN members are bound to comply with the CEN/CENELEC Internal Regulations which stipulate the conditions for giving this EuropeanStandard the status of a national stand
10、ard without any alteration. Up-to-date lists and bibliographical references concerning such nationalstandards 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 version in any other lang
11、uage made by translationunder the responsibility of a CEN member into its own language and notified to the Central Secretariat has the same status as the officialversions.CEN members are the national standards bodies of Austria, Belgium, Cyprus, Czech Republic, Denmark, Estonia, Finland, France,Germ
12、any, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Romania,Slovakia, Slovenia, Spain, Sweden, Switzerland and United Kingdom.EUROPEAN COMMITTEE FOR STANDARDIZATIONCOMIT EUROPEN DE NORMALISATIONEUROPISCHES KOMITEE FR NORMUNGMana
13、gement Centre: rue de Stassart, 36 B-1050 Brussels 2006 CEN All rights of exploitation in any form and by any means reservedworldwide for CEN national Members.Ref. No. EN 4425:2006: E2 Contents Page Foreword3 1 Scope 4 2 Normative references 4 3 Required characteristics.4 4 Designation 6 5 Marking .
14、6 6 Qualification .6 EN 4425:20063 Foreword This European Standard (EN 4425:2006) has been prepared by the European Association of Aerospace Manufacturers - Standardization (AECMA-STAN). After enquiries and votes carried out in accordance with the rules of this Association, this Standard has receive
15、d the approval of the National Associations and the Official Services of the member countries of AECMA, prior to its presentation to CEN. This European Standard shall be given the status of a national standard, either by publication of an identical text or by endorsement, at the latest by December 2
16、006, and conflicting national standards shall be withdrawn at the latest by December 2006. Attention is drawn to the possibility that some of the elements of this document may be the subject of patent rights. CEN and/or CENELEC shall not be held responsible for identifying any or all such patent rig
17、hts. According to the CEN/CENELEC Internal Regulations, the national standards organizations of the following countries are bound to implement this European Standard: Austria, Belgium, Cyprus, Czech Republic, Denmark, Estonia, Finland, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvi
18、a, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Romania, Slovakia, Slovenia, Spain, Sweden, Switzerland and the United Kingdom. EN 4425:20064 1 Scope This standard specifies the characteristics of tab washers for flight control rods. These tab washers are intended to immobili
19、se the rod end in relation to the rod body, whilst allowing a positional adjustment. 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 t
20、he referenced document (including any amendments) applies. EN 3488, Aerospace series Steel FE-PA13 Softened 500 Rm 750 MPa Sheet and strip 0,5 a 6 mm. 1)EN 9100, Aerospace series Quality management systems Requirements (based on ISO 9001:2000) and Quality systems Model for quality assurance in desig
21、n, development, production, installation and servicing (based on ISO 9001:1994). 3 Required characteristics 3.1 Dimensions Masses Configuration shall correspond with Figure 1. The dimensions and masses shall conform with values quoted in Table 1. 3.2 Surface roughness Ra= 3,2 m. 3.3 Material Accordi
22、ng to EN 3488 1) Published as AECMA Prestandard at the date of publication of the present standard. EN 4425:20065 aOptional radius bIdentification mark Figure 1 Table 1 Dimensions in millimetres Diameter code d1d2a1l1l2l3r1r2r3r4Mass g + 0,1 0 + 0,5 0 0,25 0,25 0,25 0,25 0,5 0,25 0,25 0,5 08 8,2 16
23、1,8 6 8 14 10,5 0,6 1,0 1,0 10 10,2 18 8 10 16 13 1,5 1,6 12 12,2 21 9 11 19 16 2,0 14 14,2 24 10 21 17 3 2,4 16 16,2 26 2,5 11 12 24 19 0,8 1,2 4 2,7 EN 4425:20066 4 Designation Each tab washer shall only be designated as in the following example: EXAMPLE Description block WASHER TAB Identity block
24、 EN4425-08 Number of EN standard Diameter code (see Table 1) NOTE If necessary, the code I9005 shall be placed between the description block and the identity block. 5 Marking In addition to the manufacturers own marking, each tab washer and its packaging shall be marked, using the identity block as
25、defined in Clause 4 of this standard. The marking position and method are at the manufacturers option. The marking, when it is possible, shall be indelible and shall not impair the characteristics of the tab washer. 6 Qualification According to EN 9100. EN 4425:2006blankBS EN BSI389 Chiswick High Ro
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