1、A. E C. M .A. STAN DAR D NORME A.E.C.M.A. A.E.C.M.A. NORM prEN 3385 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 UDC : Key words : ENGLISH VERSION
2、Aerospace series Rings retaining, external, axial mounting, steel, vacuum cadmium plated Srie arospatiale Anneaux darrt, montage axial, type extrieur, en acier, cadmis sous vide Luft- und Raumfahrt Sicherungsringe, axial auf Wellen montierbar, aus Stahl, vakuumverkadmet This Aerospace Series pre-sta
3、ndard has been drawn up under the responsibility of AECMA (Association Europenne des Constructeurs de MatrieIArospatial). It is published on green paper for the needs of AECMA-Members. It has been technically approved by the experts of the concerned Commission following comment by the Member countri
4、es. Subsequent to the publication of this pre-standard, the technical content shall not be changed to an extent that interchangeability is affected, physically or functionally, without re-identification of the standard. After examination and signature of the AECMA Standard Checking Centre (NPS) and
5、formal agreement of the Official 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 E.N.A.E. - Technopolis 54 - 199, rue Jean-Jacques Rousseau - 92138 ISSY-LES-MOULI
6、NEAUX CEDEX Edition approved 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 92138 Issy-les-Moulineaux Cdex - FRANCE aecma 199 AECMA PRENS3385 91 LOL23L1 0007170
7、 5 I i) Published as AECMA standard at the date of publication of the present standard 2) In preparation at the date of publication of the present standard 3) Published as AECMA pre-standard at the date of publication of the present standard T Previous page is blank prEN 3385 Page 3 L 1 Scope and fi
8、eld of application This standard defines the characteristics of axial mounting external retaining rings, in steel, vacuum cadmium plated, for aerospace applications. 2 References EN 2424, Aerospace series - Identification marking of standard fasteners i EN 2535, Aerospace series - Vacuum cadmium pla
9、ting of steels 2, EN 3380, Aerospace series - Retaining rings - Technical specification 3, EN 3426, Aerospace series - Groove dimensions for axial mounting external type retaining rings 3) 3 Required characteristics 3.1 See figure 1 and table. 3.2 Materials Spring steel : - 480-530 HV (Diameter code
10、s 008 to 038) - 440-51 O HV (Diameter codes 040 to 165) 3.3 Surface treatment Configuration - Dimensions - Masses EN 2535, 5 pm to 9 pm, on all surfaces which can be contacted by a 20 mm ball. On all other surfaces a continuous deposit shall be present, but no value is specified. prEN 3385 Page 4 Fr
11、ee B D2 -1 *- Diameter codes 003 to O09 1 6 Apply prior to .;/ cadmium plating R - I I Section - Z - Z S AY a 2D4 Alternative configuration for diameter codes 040 to 065 f At mounting X Installed I Diameter codes O10 to 165 -LI, 04 Note : Details of form not stated are left to the manufacturers opti
12、on. Figure 1 AECMA PREN*3385 93 LOL2333 0007372 9 Table Diameter A 3) D1 D2 D3 04 code 2j nom. Toi. max. max. min. cv 003 1,s 0,s 2,7 + 7,2 6,6 0,s max* N - 0,12 O10 I 3,3 I 1,s I 9,3 I + I 17,6 I 16,2 I 1,5 - 0.3 - o1 1 18,6 17,l o1 2 3,3 1.8 11 19,6 18,l O1 3 3,4 2 11.9 20,8 19.2 014 3,s 2,l 12,s
13、+ 0,18 22 20.4 , , 015 I 3,6 I 2.2 I 13,s - 0,36 016 I 3,7 I 2,2 I 14,7 o1 9 020 02 1 024 025 026 028 029 I 4,s I 3.4 I 26,s 030 I 5 I 3.5 I 27.9 wl 27.8 25.8 33,s 37,2 38.6 38.4 035 036 038 040 49,5 1) See page 6. 2) See page 6. 3) See pase 6. 3 - - P O,l5 )men: - 5 hl 1 1,75 2 prEN 3385 Page 5 ins
14、 in millimetres Mass 4, ieces 0.01 7 0,022 0,340 3,540 3,800 4.000 5,000 5,620 7,900 10,200 11,100 11,400 11,800 12,600 12,900 14,300 15.900 18,200 21,800 0,25 22.000 22,500 0,2 prEN 3385 Page 6 Table (concluded) Diameter A g 3) Dl D2 D3 D4 code 2) max. - nom. I TOI. max. max. min. - 1,08 - 3 3,5 4
15、- P 0,25 limensions in millimetres R I Mass4) 1 4 - 150,000 2 Corresponds to the nominal diameter (expressed in millimetres) of the shaft on which the ring shall be mounted (see EN 3426). 3) Shall not exceed “A“ max. Q) Approximative values, calculated on the basis of 7,85 kg/dm3, given for informat
16、ion purpose only 4 Designation Example : Description block RETAINING RING, EXTERNAL, AXIAL MOUNTING Identity block EN3385-016 Number of this standard I- Diameter code (see table) Note : If necessary, the originator code 19005 shall be placed between the description block and the identity block 5 Marking FN 7434. Stvle “G“ 6 Technical specification FN 3380 - - 7 Mounting EN 3426
