1、AECMA PREN83427 91 l10123LL 0007202 3 A.E.C.M.A. STANDARD NORME A.E.C.M.A. A.E.C.M.A. NORM prEN 3427 Issue P 1 September 1991 DIT PAR LASSOCIATION EUROPENNE DES CONSTRUCTEURS DE MATRIEL AROSPATIAL Technopolis - 175, rue Jean-Jacques Rousseau - F-92138 Issy-les-Moulineaux Cdex - Tl. (1) 47.36.98.76 U
2、DC : Key words Srie arospatiale Dimensions des gorges pour anneaux darrt montage radial ENGLISH VERSION Aerospace series Groove di men cio ns for radial mounting retaining rings Luft- und Raumfahrt Nuten fr radial montierbare Sicherungsringe Mae This Aerospace Series pre-standard has been drawn up u
3、nder the responsibility of AECMA (Association Europenne des Constructeurs de Matriel Arospatial). It is published on green paper for the needs of ACMA-Members. It has been technically approvedby the experts of the concerned Commission following comment by the Member countries. Subsequent to the publ
4、ication of this pre-standard, the technical content shall not be changed to an extent that interchangeability is affected, ph ysically or functionally, without re-identification of the standard. After examination and signature of the AECMA Standard Checking Centre (NPS) and formal agreement of the O
5、fficial Services of the Member countries it will be submitted as a draft European Standard to CEN (European Committee for Standardization) for final vote. Nota - Extra copies can be supplied by B.N.A.E. - Technopolis 54 - 199, rue Jean-Jacques Rousseau - 921 38 ISSY-LES-MOULINEAUX CEDEX Edition appr
6、oved for publication Comments should be sent within six months C3 Chairman after the date of publication decision 1991 -09-27 A.E.C.M.A. Mr. ARENA Technopolis - 175, rue Jean-Jacques Rousseau 921 38 Issy-les-Moulineaux Cdex - FRANCE aecma 1991 AECMA PREN83427 91 LOL23LL 0007203 5 M prEN 3427 Page 3
7、1 This standard defines the dimensions of groove for radial mounting retaining rings. Scope and field of application 2 Required characteristics 2.1 Configuration - Dimensions See figure 1 and table. t I 4% i Square and sharp edge on the berring s ide. i 1) The tolerance is left to the manufacturers option.