1、O O O Edition approved for publication 2001-08-31 AECMA STANDARD NORME AECMA AECMA NORM Comments should be sent within six months after the date of publication to Gulledelle 94 AECMA-STAN B-1200 BRUXELLES prEN 3779 Edition P 1 August 2001 PUBLISHED BY THE EUROPEAN ASSOCIATION OF AEROSPACE INDUSTRIES
2、 - STANDARDIZATION (AECMA-STAN) Gulledelle 94 - 8-1200 BRUXELLES - Tel. (+32) 2 775 81 10 - Fax. (+32) 2 775 81 I i ICs: Descriptors: Srie arospatiale Feuilles de polycarbonate Dimensions ENGLISH VERSION Aerospace series Polycarbonate sheet Dimensions Luft- und Raumfahrt Platten aus Polycarbonat Mae
3、 This Rerospace 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 Aerospace Industry. It has been technically approved by the experts of the c
4、oncerned 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 functionallyl without re-identification of the standard. After examination and review by users and
5、formal agreement of AECMA-STAN it will be submitted as a draft European Standard to CEN (European Committee for Standardization) for formal vote. Nota - Extra copies can be supplied by B.N.A.E. - Technopolis 54 - 199. rue Jean-Jacques Rousseau - 92138 ISCY-LEC-MOULINEAUX CEDEX I I Material Domain Mr
6、 Pays 0 aecrna 20t Page 2 prEN 3779: 2001 Blank page Page 3 prEN 3779: 2001 Length and width 5 1 O00 1 O00 01 Tolerance + 10 O + 20 O Scope This standard specifies the semi-finished product designation and dimensional tolerances for polycarbonate sheet as detailed in 3.1. 2 Normative references This
7、 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 revisions of any of these publica
8、tions 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 2719 Aerospace series - Polycarbonate sheet - Technical specification 1) EN 3656 Aerospace series - Polycarbonate, self-ex
9、tinguishing, low smoke emission - Characteristics 1) O 3 Requirements 3.1 Materials In accordance with EN 271 9 or EN 3656 3.2 Dimensions 3.2.1 See table 1, Tolerances on length and width Table 1 Dimensions in millimetres 1) Published as AECMA Prestandard at the date of publication of this standard
10、Page 4 prEN 3779: 2001 3.2.2 Tolerances on thickness See table 2. Table 2 Thickness Tolerance Thickness f 0,25 025 i 0,25 060 Dimensions in millimetres I I Thickness Tolerance Code I Nom. Tolerance i 0,3 1 O0 10,o f 0,5 f 0,3 120 12,o i0,5 f 0,5 ti50 215,O f 0,5 4 Designation 4.1 Standard designatio
11、n EXAMPLE: Description block I Identity block Sheet I EN3779-2719-060 TTT Number of this standard Material standard Thickness code (see table 2) NOTE If necessary, the code 19005 shall be placed between the description block and the identity block. 4.2 Designation in order EXAMPLE: Five sheets, material standard EN 3656, thickness = 6,O mm, width = 1 O00 mm, length = 1 O00 mm Five sheets EN3779-3656-060 x 1 O00 x 1 O00
