1、AECMA STANDARD NORME AECMA AECMA NORM prEN 2049 Edition P 2 September 2001 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 11 ICs: Descriptors: ENGLISH VERSION Aerospace serie
2、s Extruded channel section, in aluminium alloys Dimensions Supersedes edition P 1 August 2000 Srie arospatiale Profils en U fils, en alliages daluminium Dimensions Luft- und Raumfahrt Geprete U-Profile, aus Alurniniurnlegierung Mae Subsequent to the publication of extent that interchangeability is A
3、ft er examinati reement of AECMA-STAN it will be submitted as a -1 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 CEDU( I I Withdrawal approved 2001-09-28 Comments shoul
4、d be sent within six months after the date of publication to Gulledelle 94 AECMA-STAN 8-1200 BRUXELLES Material Domain Mr Evetts aecma 200 Page 3 prEN 2049: 2000 O Introduction This standard is part of the series of EN metallic material standards for aerospace applications. The general organization
5、of this series is described in EN 4258. 1 Scope This standard specifies the dimensions and tolerances of: Extruded channel section in aluminium alloys for aerospace applications. 2 Normative references This European Standard incorporates by dated or undated reference provisions from other publicatio
6、ns. 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 revision. Fo
7、r 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 of EN st
8、andards and their use 3 Form See figure 1. R2 /- B Figure 1 RA= S 1) Published as AECMA Standard at the date of publication of this standard - - STD-AECMA PREN 20q7-ENGL 2000 LOL231L 00LBbb3 O20 E Page 4 prEN 2049: 2000 4 Recommended dimensions and mass 4.1 See table 1. Height, width, thickness and
9、mass Table 1 Linear mass a (continued) STD-AECMA PREN 2047-ENGL 2000 LOL23LL 0018bb4 Tb7 Dimensions and tolerances mm H B S Page 5 prEN 2049: 2000 Linear mass a kglm Table 1 (concluded) 200 200 250 250 250 f 130 1 O0 f 0,85 12 I0,30 12,66 f 150 125 I l,o 16 f0,30 18,73 f 1,50 1 O0 f 0,85 16 f 0,30 18,73 f 1,510 125 f l,o 14 f 0,30 18,50 f 1,50 125 f l,o 16 f 0,30 21,81 a For information, calculated with a density of 2,8 kg/dm3 Beaded radii dimensions RI = S S 4 R.2 = - tolerances See EN 2066. 4.3 Length See EN 2066. 5 Geometric tolerances See EN 2066.
