1、AECMA STANDARD NORME AECMA AECMA NORM prEN 2050 Edition P 2 September 2001 PUBLISHED BY THE EUROPEAN ASSOCIATION OF AEROSPACE INDUSTRIES - STANDARDIZATION (AECMA-STAN) Gulledelle 94 - B-2200 BRUXELLES - Tel. (+32) 2 775 81 10 - Fax. (+32) 2 775 81 11 Supersedes edition P 1 ICs: August 2000 Descripto
2、rs: ENGLISH VERSION Aerospace series Extruded T-section, in aluminium alloys Dimensions Srie arospatiale Profils en T fils, en alliages daluminium Dimensions Luft- und Raumfahrt Geprete T-Profile, aus Aluminiumlegierung Mae Subsequent to the publication of extent that interchangeability is After exa
3、minati not be changed to an re-identification of the reement of AECMA-STAN it will be submitted as a Replace page 1 of the previous edition by this page Nota - Extra copies can be supplied by B.N.A.E. - Technopolis 54 - 199, rue Jean-Jacques Rousseau - 92138 ISSY-LES-MOULINEAUX CEDEX Withdrawal appr
4、oved 2001-09-28 Comments should be sent within six months after the date of publication to Gulledelle 94 AECMA-STAN B-1200 BRUXELLES r- Material Domain Mr Evettc I I aecma 200 O Introduction This standard is part of the series of EN metallic material standards for aerospace applications. The general
5、 organization of this series is described in EN 4258. 1 Scope This standard specifies the dimensions and tolerances of: Extruded T-section in aluminium alloys for aerospace applications. 2 Normative references This European Standard incorporates by dated or undated reference provisions from other pu
6、blications. 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 incorporated in it by amendment or revi
7、sion. For undated references the latest edition of the publication referred to applies. EN 2066 Aerospace series - Extruded section in aluminium and aluminium alloys - General tolerances 1) EN 4258 Aerospace series - Metallic materials - General organization of standardization - Links between types
8、of EN standards and their use 3 Form See figure 1 Figure 1 RI= S S R2 = - r, 1) Published as AECMA Standard at the date of publication of this standard 4 Recommended dimensions and mass 4.1 See Height, width, thickness and mass table 1. Table 1 (continued) STD-AECMA PREN 2050-ENGL 2000 E 1012311 OOLAbbA b02 D Page 5 prEN 2050: 2000 Table 1 (continued) (continued) - STD-AECMA PREN 2050-ENGL 2000 II LOL23Ll 00Lbb7 547 Page 6 prEN 2050: 2000 Table 1 (concluded) 4.2 Beaded radii a) dimensions S R2= 4 b) tolerances See EN 2066. 4.3 Length See EN 2066. 5 Geometric tolerances See EN 2066.