1、AECMA PREN2356 86 1012311 0007380 5 -I A.E.C.M.A. STANDARD prEN2356 Edition 2 NORME A.E.C.M.A. A.E.C.M.A. NORM August 1986 Supersedes edition 1 February 1985 UDC : 629.7.05 : 621.854 : 621.52.053.004.1 Key words : Aircraft industry, flight control, flexible cable, cable tensioner, cable end, dimensi
2、ons, breaking loads. ENGLISH VERSION Aerospace series Fork-ends threaded, control cable for rolling bearings in corrosion resisting steel Dimensions and loads Srie arospatiale Luft- und Raumfahrt pour roulements fr Kugellager Embouts chape de tendeurs en acier rsistant la corrosion Dimensions et cha
3、rges Spannschrauben mit Gabel aus korrosionsbestandigem Stahl Mae und Belastungen This industrial standard for the aerospace sector has been drawn up under the responsibility of AECMA (Associa tion Europenne des Constructeurs de Matriel Arospatial). it is published on yellow paper in three equivalen
4、t versions (English, French, German). it will be submitted to GEN (European Committee for Standardization) as a draft European Standard. Approved by The equivalent versions in French and German languages COMITE DE NORMALISATION can be supplied by B.NA.E, 8, rue Moreau-Vauthier of A.E.C.M.A. 1986-08-
5、04 92100 BOULOGNE-BILLANCOURT - FRANCE, Contents 1 2 References 3 Required characteristics 4 Designation 5 Marking 6 Technical specification Scope and field of application prEN2356 Page 2 - - A AECMA PREN2356 6 = 10l123LL 0007382 9 li prEN2356 Page 3 1 Scope and field of application This standard sp
6、ecifies the characteristics of threaded fork-ends for rolling bearings as defined by EN2012, EN2013 and EN2014, in corrosion resisting steel, intended for the turnbuckles of aircraft control cables. 2 References IS0 2020, Aerospace - Mechanical system parts - Preformed flexible steel wire rope for a
7、ircraft controls - Technical specification. IS0 5855/1, Aerospace construction - MJ threads - Part 1 : Basic profile IS0 5855/2, Aerospace construction - MJ threads - Part 2 : Dimensions for bolts and nuts EN2012, Bearings - airframe rolling, rigid, single row ball bearings, in steel - Diameter seri
8、es O and 2 - Dimensions and loads - Aerospace series EN201 3, Bearings - airframe rolling, rigid, single row ball bearings, in steel, cadmium plated - Diameter series O and 2 - Dimensions and loads - Aerospace series EN2014, Bearings - airframe rolling, rigid, single row ball bearings, in corrosion
9、resisting steel - Diameter series O and 2 - Dimensions and loads - Aerospace series EN2363, Locking clips for turnbuckles of control cables - Dimensions - Aerospace series EN2462, EN251 6, Steel FE-PA13 - Softened - Bars De 100 EIIII - Aerospace series Aerospace series - Passivation of corrosion res
10、istant steels 1) EN2569, Aerospace series - Control cable fittings and turnbarrels - Technical specification 1). 3 Required characteristics 3.1 Material Steel EN2462. 3.2 Surface treatment Passivation EN2516. 3.3 Dimensions - Tolerances - Loads - Mass The configuration shall correspond to the figure
11、 and the dimensions shall conform to the values gjven in the figure and the table, 3.4 Surface roughness See figure. i) In preparation AECMA prEN2356 Page 4 PREN235b 8b LOL23LL 0007383 O a a v3 C O +- O I- N I i i i l N - CI N LD 0- 9. i T N , - W r I- r a I i AECMA PREN2356 86 10i123L1 0007384 2 W:
12、 prEN2356 Page 5 O z sm IJ I -&- iIR NN c z +I m N x 2 cn 3 m 2 I- : E- LD x E E .- W El O o &Z +I O 7 7 o 0- I LD 7 o 0- I a - O N O nl O v, IN LD N y. 20 + r- N ln N 00 7 7 i OLD CON n 0-0- rn N 07 N m O - I I m hl e D m -c -m UV, maJ .- w .- E= i=y- U O o d In tu r- O O O o. AECMA PREN235b Ab W L
13、OL231L 0007385 4 I prEN2356 Page 6 4 Designation Each threaded fork-end for rolling bearings shall only be designated as in the following example : Description block FORK-END THREADED Identity block EN 2 3 5 6Lk6 S Number of EN standard IT L = Thread direction code 06 = Thread code, see table S = Le
14、ngth code, see table Where the following codes are applied for the thread direction : R : right-hand thread L : left-hand thread Note : If necessary, originator code S9005 may be introduced between the description block and identity block. 5 Marking In addition to the manufacturer.s .own marking, ea
15、ch threaded fork-end for rolling bearings shall be marked. (see figure) using the identity block as defined in clause 4 of this standard. The marking method is to the manufacturers option. 6 Technical specification The threaded fork-ends for rolling bearings supplied according to this standard shall conform with the requirements of EN2569.
