1、AECMA PREN2771 Bb U 1012311 0004387 i M- A.E.C.M.A. STANDARD . pr EN279 I Issue P 1 April 1986 NORME A.E.C.M.A. A.E.CJV1.A. NORM UDC : 629.7.02:621.827.1:621.85.053.004.1 Key words : Aircraft industry, flight control, rod-ends, threaded ends, dimensions, statics loads ENGLISH VERSION Aerospace serie
2、s Rod-ends, adjustable single fork and threaded shank Dimensions and loads Srie arospatiale Embouts rglables chape simple et tige filete Dimensions et charges Luft- und Raumfahrt Einstellbare Gabelkpfe einfach, mit Gewindeschaft Mae und Belastungen This standard is initially published on green paper
3、 for the needs of AECMA-Members Association Europenne des Constructeurs de Matriel Arospatial). It has been technically approved by the experts of the concerned AECMA Commission following comment by the manufacturers of the Member countries. After examination and signature of the AECMA Standard Chec
4、king Centre (NPS) and formal agreement of the Official Services of the Member countries it will be published in its final version on yellow paper as an AECMA Standard. Nota - Extra copies can be supplied by E3.N.A.E - 8, rue Moreau-Vauthier - 92100 BOULOGNE-BILLANCOURT CI Chairman Comments should be
5、 sent within six months after the date of publication decision Edition approved for publication Mr MOUTARDE I A.E.C.M.A. I 88, Bd. Malesherbes 22 April 1986 15008 PARIS - FRANCE I . . . . . . . . . . . . . : prEN2791 Page 3 1 This standard specifies the characteristics of adjustable rod ends consist
6、ing of Scope and field of application - a single fork - a threaded shank consisting of : - a circumferential groove to identify location - a longitudinal groove for locking purposes These rod ends are intended for use with flying control rods or rods for aerospace structures. The cadmium plating res
7、tricts the application to temperatures not exceeding 235 OC. 2 References IS0 3353-1 976 IS0 5855/1-I 981, Aerospace construction MJ threads - Part 1 : Basic profile IS0 5855/2-1981, Aerospace construction MJ threads - Part 2 : Dimensions for bolts and nuts EN21 33 EN21 37 EN2438 EN2601 , Aerospace
8、construction - Rolled threads - Run-out and lead threads , Cadmium plating of steels with maximum specified tensile strength equal to or less , Steel FE-PL75,ll O0 MPa O AECMA PREN2791 86 10123L1 0004191 9 prEN2791 Page 6 6 Designation Each adjustable simple fork rod-end fitting shall only be design
9、ated as in the following example : Description block Identity block Rod-end I EN2791 08L I Number of EN standard TI 08 = size code (see table) I L = code for left hand thread When the following codes are applied : L = left hand thread R = right hand thread Note : if necessary, the originators code 5
10、9005 may be introduced between the description block and identity block. 7 Marking In addition to the manufacturers own marking, each rod-end (see figure) and the package shall be marked, using the identity block specified in clause 6 of this standard. 8 Technical specification Rod-ends supplied to this standard shall conform with the requirements of EN2601.
