1、AECMA PREN2584 BB m 10L2311 O003624 9 m A. E.C. M .A. STAN DARD prEN 2584 NORME A.E.C.M.A. Issue P 1 A.E.C.M.A. NORM October 1988 DIT PAR LASSOCIATION EUROPENNE DES CONSTRUCTEURS DE MATRIEL AROSPATIAL 88, boulevard Malesherbes, 75008 PARIS - TL. 45-63-82-85 UDC : 629.7.02 : 621.822.3-408.2-72.004.1
2、669.14.01 8.89. Key words : Aircraft industry, spherical bearings, corrosion resisting steel, self-lubricating parts, dimensions, loads. ENGLISH VERSION Aerospace series Bearings, spherical plain in corrosion resisting steel with self-lubricating liner, narrow series elevated loads at ambient temper
3、ature Dimensions and loads Srie arospatiale Luft- und Raumfahrt Rotules en acier rsistant la corrosion . garniture autolubrifiante, srie troite charge leve temprature ambiante Dimensions et charges Gelenklager aus korrosionsbestndigem Stahl mit selbstschmierender Beschichtung, schmale Reihe hohe Bel
4、astungen bei Umgebungstemperatui Mae und Belastungen This .Aerospace Series pre-standard has been drawn up under the responsibility of AECMA (Association Europenne des Constructeurs de Matriel Arospatial). It is published on green paper for the needs of AECMA-Members. It has been technically approve
5、d by the experts of the concerned AECMA Commission following comment by the Member countries. 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
6、standard. After examination and signature of the AECMA Standard Checking Centre (NPS) and 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 sup
7、plied by B.N.A.E. - 8, rue Moreau-Vauthier - 92100 BOULOGNE-BILLANCOURT Edition approved for publication Comments should be sent within six months CI Chairman after the date of publication decision 88, Bd. Malesherbes Mr. MOUTARDE 17th October 1988 A.E.C.M.A. 75008 PARIS - FRANCE aecma 1988 Blank Pa
8、ge prEN 2584 Page 3 1 This standard specifies the characteristics of spherical plin bearings ir; corrosion resisting steel, with self-lubricating liner, narrcw series. They are intended Lor use in filied or moviag parts of the Eircraft structure and control mechanisms. They shall be used in the temp
9、erature range -55 tu 163 C. 2 Ref ereiices EN 2030 : Steel PE-PM43 - Hardened and tempered - Bric E 960 MPa - Bar D fi preparation Previous page I is blank -8- I AECMA PREN2584 88 m 10L2311 0003b27 4 m prEN 2584 Page 4 37( o$/, oy) .+ 0,25 Y PP U -8- i I -. I Breaksharp corner / I w/ I I Without swa
10、ging grooves - Code C With swaging grooves - Code R Figure 2 Table 1 Detail W Dimensions in millimetres Figure 1 - Mass ss 4 - 7 9 12 20 32 50 59 126 185 300 340 460 - - - - - - - - - - - Tolerances pm I dl eu in in egrees degrees 9 20 14 15 11 10 8 7 8 30 6 7 6 5 7 NP t0.1 o o -02 12,2 14,2 0,7 16,
11、2 18,4 22,4 26.4 - - - - 03 - 28.4 36,8 41,8 47.8 53.8 - 60.8 68.8 76.8 - - - 1,4 - - K r ss 11,l +O,l 12.8 0,5-0,2 14.3 15.9 19,8 - 25.4 27.0 34,9 - - - O -0,3 0.8 - - 1) Ads min. 8,6 - + 2 9,0 - -lo 10,2 11,9 15.0 -11 - - +320,5 21,7 27.1 +329.6 -13 _ 35,5 41.7 47,O - -15 +352.2 _ 59,2 - bmg - O -
12、8 - O -9 - O -1 1 - O -13 - O -1 5 - ADS Admi t5 -1 3 -0 -8 t6 -1 5 f8 -19 0 - -10 - t10 -23 O _ -12 -28 4-1 3 34801 41.0 1) Attention should be paid to the possible indentation of the suppofl mountings by the inner ring bearing faces. AECMA PREN2584 88 U LOL23LL 0003b28 b L - prEN 2584 Page 5 4.5 L
13、oads and starting torque values See table 2. Table 2 I I I I I I I I I Permissible static loads kN I Radial CS 20,5 29,2 37 ,O Axial after swaging Permissible dynamic radial loads 25000 cycles kN 17 $5 22,2 S tart ing torques N.m 0,08 to 0,50 10 10 47,2 6 $5 695 28,3 12 12 78,l. 11,7 991 43 ,O 15 15
14、 121,9 18 #O 11,9 67 ,O 0,12 to 0,8 17 17 148,3 24,3 14,2 81,O I 22 22 268,6 45,5 21 ,o 147,7 25 i 25 324,7 55,9 24,O 162,4 0,25 to 1,0 l 30 I 30 433,4 77,8 29,O 216,7 0,40 to 2,O 35 I 35 543,4 92,2 32,3 27137 40 I 40 J 680,9 113,4 38,3 340,3 833,9 135,9 43,3 416,9 0,60 to 3,5 981,4 154,2 51,5 490,7
15、 1) Bearings without swaging grooves. 2) These values Ere given for information. The actual values depend on the method of swaging. 5 Designation Each spherical plain bearing shall only be designated as in the following example : Description Block Identity Block BEARING, SPHERICAL PLAIN EN 2,5 8 4 0
16、; i Number of EN standard I S = Code for type without swaging grooves (See figure 2) OG = Code diameter d (See table 1) Only when chronium plated ball is required Where the following codes are applied : R = with swaging grooves S = without swaging grooves Note : If necessary, the originateur code S9
17、005 may be introduced between the description block and the identity block. AECMA PREN258i.I B8 W LOL23LL 0003629 B = prEN 2584 Page 6 6 Marking In addition to the manufacturers own marking, each spherical plain bearing shall be marked, using the identity block as defined in clause 5 of this standard. Marking position and method are at the manufacturers option, but shall not adversely affect the functioning of the bearing. 7 Technical specification Spherical plain bearings supplied to this standard shall conform with the requirements of EN 2755.
