1、CEN EN*354l 92 W 3404589 O025762 3 W EUROPEAN STANDARD EN 3541:1992 NORME EUROPENNE EUROPISCHE NORM April 1992 UDC 629.7.05:621.827.1:621.82.053.004.1:621.828 - Descriptors: Aircraft industry, flight control, rod ends, end fitting with self-aligning ball bearing, threaded shank, dimensions, static l
2、oads English version Aerospace series - Rod ends, adjustable, self-aligning ball bearing with threaded shank - Dimensions, torques, clearances and loads Srie arospatiale - Embouts rglables ?i rotule sur billes et tige filete - Dimensions, couples, jeux et charges Luft- und Raumfahrt - Einstellbare U
3、senkpfe mit Pendeikugellager und Geuindeschaft - Hae, Homente, Lagerluft und Belastungen This European Standard was approved by CEN on 1992-03-27. CEN members are bound to comply with the CEN/CENELEC Internal Regulations which stipulate the conditions for giving this European Standard the status of
4、a national standard without any alteration. Up-to-date lists and bibliographical references concerning such national standards may be obtained on application. to the Central Secretariat or to any CEN member. This European Standard exists in three official versions (English, French, German). A versio
5、n in any other language made by translation under the responsibility of a CEN member into its own language and notified to the Central Secretariat has the same status as the official versions. CEN members are the national standards bodies of Austria, Belgium, Denmark, Finland, France, Germany, Greec
6、e, Iceland, Ireland, Italy, Luxembourg, Netherlands, Norway, Portugal, Spain, Sweden, Switzerland and United Kingdom. CEN European Committee for Standardization Comit Europen de Normalisation Europisches Komitee fr Normung central Secretariat: rve de Stassart,% . either seals or shields ; . an optio
7、nal longitudinal groove for locking purpose ; - an inner ring with balls. 2 Field of application These rod ends are intended for use with flight control rods or rods for aerospace structures. They are intended to be used in the temperature range : - 54 OC to + 150 OC. However, being lubricated with
8、the following greases (see EN 2067) : - Extreme pressure grease, type ester (code A), operating range - 73 OC to -!- 121 OC - Extreme pressure grease, type synthetic hydrocarbon general usage (code B), operating range - 54 OC to - 177 OC their field of application in the code A is limited to + 121 O
9、C. 3 Romative References IS0 11 32, IS0 3353, IS0 5855-2, EN 2031, EN 2067, EN 2099, EN 2133, EN 2135, Rolling bearings - Tolerances - Definitions Aerospace construction - Rolled threads - Runout and lead threads Aerospace construction - MJ threads - Part 2 : Limit dimensions for bolts and nuts Stee
10、l FE-PL31 - Hardened and tempered bars - Aerospace series 1) Aerospace series - Rod ends, self-aligning ball bearing -Technical specification 2) Aerospace series - Steel FE-PL71 - Case hardening, hardened and tempered - Bars Cadmium plating of steel with maximum specified tensile strength equal to o
11、r less than 1450 MPa and copper and copper alloys - Aerospace series 1) Aerospace series - Steel FE-PL61 - Case hardening, hardened and tempered - Bars De 40 mm 2). D, G 100 mrn 3) 4 Symbols Ids = Deviation of a single bore diameter values after cadmium plating. Dimensions - Tolerances - Masses 1) P
12、ublished as AECMA standard at the date of publication of the present standard. 2) Published as AECMA pre-standard at the date of publication of the present standard 3) In preparation at the date of publication of the present standard. CEN EN*354L 92 9 3404589 00257b5 9 m Page 4 EN 3541 : 1992 5.2 Su
13、rface roughness See figure, values prior to cadmium plating. 5.3 SeeJable 2. Loads, rotational starting torques and internal clearances 5.4 Materials Rod end : steel EN 21 35 or EN 2099 ; heat treated to obtain : - by case hardening, hardening and tempering a surface hardness of 2 58 HRC on the race
14、way ; - by hardening and tempering a strength R, 2 830 MPa on the whole rod end. Inner ring : steel EN 2031. Balls : steel EN 2031. Shields : corrosion resisting material. Seals : polytetrafluoroethylene (PFTE) or glass fabric reinforced polytetrafluoroethylene (PFTE). 5.5 Surface treatment Rod end
15、: all surfaces except for the raceway cadmium plated according to EN 21 33,7pm to 20pm except threads 5 pm to 10 pm ; chromate passivation optional. r -I L J B -B Figure (PI I. I :i- NOTE : The circumferential groove and the longitudinal groove over the distance F shall be painted red. CEN ENM35LiL
16、92 W 3Li04589 O025766 O $ min. -0.2 Page 5 EN 3541 : 1992 Code - 05 06 08 10 d Tolerances o +0.1 BC Nominal diameter Um -0.12 o Almp I Als 5 6 8 10 o -2 -8 -10 14.0 I MNS o -0.1 1.6 I 6.6 8.0 10.2 3.2 12.2 +0,1 o 2.4 0.5 0.7 0.8 0.8 1.0 Table 1 Code 05 06 08 10 Dimensions in millimetres Internal cle
17、arance max. Mau Permissible static Rotational starting torque radial load (mN.m) (mm1 C,) kN) 4.70 2 1 35 6.75 4 2 60 8.90 10 5 85 14,OO 12 7 130 with seals with shields radial axial 4 0.02 0.08 - 0 min. iegree 8 L il Thread 1) designation MJ 8X1.00-4h6h I 18 1 33 1 33 I 48 MJ 10 X 1.25 -4h6h I 22 I
18、 37 i 31 I 54 MJ 12X 1.25 -4h6h 25 42 1 42 62 1) 2) 3) Thread : IS0 5855 . Pan 2 ; method of manufacture : rolled F = minimum length of engaged threads : included thickness of lock washer and height of nut. G = minimum length of useful threads. CEN EN83541 92 I 3404589 CIOZ5767 2 I Page 6 EN 3541 :
19、1992 6 Designation Each rod end shall only be designated as in the following example : Description block ROD END Iden ti ty block EN3541 L05PKd I TTT I Code letter for shields or seals (see figure) Code letter for thread Code for nominal diameter d Code for longitudinal groove Code letter for grease
20、 ! where the following codes are applied L = left hand thread R = right hand thread K = with groove T = without groove A= ester type grea.se B = synthetic hydrocarbon grease NOTE : If necessary, the originator code 19005 may be introduced between the description block and identity block. 7 Marking In addition to the manufacturers own marking, each rod end shall be marked (see figure) using the identity block specified in clause 6. 8 Technical specification See EN 2067.
