1、AECMA STANDARD prEN 2328 NORME AECMA Edition P 1 AECMA NORM January 2002 PUBLISHED BY THE EUROPEAN ASSOCIATION OF AEROSPACE INDUSTRIES - STANDARDIZATION (AECMA-STAN) Gulledelle 94 - 8-1200 BRUXELLES - Tel. (+32) 2 775 81 10 - Fax. (+32) 2 775 81 Il Will supersede ICs: EN 2328: 1988 - - Nota - Extra
2、copies can be supplied by B.N.A.E. - Technopolis 54 - 199, rue Jean-Jacques Rousseau - 92138 ISSY-LES-MOULINEAUX CEDEX Comments should be sent within six months after the date of publication to 2002-0 1-31 AECMA-STAN Mr Feltharn Gulledelle 94 Edition approved for publication Mechanical Domain 6-1200
3、 BRUXELLES ENGLISH VERSION Aerospace series Washers, tab in corrosion resisting steel cadmium plated for flight control rods Dimensions Srie arospatiale Freins dcrous en acier rsistant la corrosion cadmis pour bielles de commandes de vol Dimensions Luft- und Raumfahrt Sicherungsbleche aus korrosions
4、bestndigem Stahl, verkadmet fr Bediengestnge von Flugsteuerungen Mae This Xerospace Series“ Prestandard has been drawn up under the responsibility of AECMA-STAN (The European Association of Aerospace Industries - Standardization). It is published on green paper for the needs of the European Aerospac
5、e Industry. It has been technically approved by the experts of the concerned Domain following member comments. Subsequent to the publication of this Prestandard, the technical content shall not be changed to an extent that interchangeability is affected, physically or functionally, without re-identi
6、fication of the standard. After examination and review by users and formal agreement of AECMA-STAN it will be submitted as a draft European Standard to CEN (European Committee for Standardization) for formal vote. 0 aecrna 20C Page 2 prEN 2328: 2002 Blank page Page 3 prEN 2328: 2002 I Scope This sta
7、ndard specifies the characteristics of tab washers for flight control rods. These tab washers are intended to immobilise the rod end in relation to the rod body, whilst allowing a positional adjustment of 1/2 a turn. 2 Norm at ive references This European Standard incorporates by dated or undated re
8、ference 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 revisions of any of these publications apply to this European Standard only when incorpo
9、rated in it by amendment or revision. For undated references the latest edition of the publication referred to applies. IS0 35743 999 Cold-reduced carbon steel sheet of commercial and drawing qualities EN 2000 Aerospace series - Quality assurance - EN aerospace products - Approval of the quality sys
10、tem of manufacturers EN 2133 Aerospace series - Cadmium plating of steels with specified tensile strength I 1 450 MPa, copper, copper alloys and nickel alloys 3 Required characteristics 3.1 Dimensions - Mass Configuration shall correspond with figure 1. The dimensions and masses shall conform with v
11、alues quoted in table 1 Dimensions apply after cadmium plating. 3.2 Surface roughness Ra = 3,2 vm. This value applies prior to cadmium plating. 3.3 Material Carbon steel CR2 according to IS0 3574. R, 2 370 MPa 3.4 Surface treatment Cadmium plated according to EN 2133, 10 pm to 20 pm. Page 4 prEN 232
12、8: 2002 B 1. 4 I B-B b n Y I I Optional radius Identification mark Figure 1 A-A Dimensions in millimetres Table 1 Dimensions in millimetres Page 5 prEN 2328: 2002 4 Designation EXAMPLE: Description block Identity block WASHER TAB EN232848 Number of this standard Diameter code (see table 1) NOTE If n
13、ecessary, the code 19005 shall be placed between description block and 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 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 2000.
