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    ASD-STAN PREN 4035-1996 Aerospace Series Rod Ends Adjustable with Self-Aligning Double Row Ball Bearing in Corrosion Resisting Steel Reduced Internal Radial Clearance and Threaded .pdf

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    ASD-STAN PREN 4035-1996 Aerospace Series Rod Ends Adjustable with Self-Aligning Double Row Ball Bearing in Corrosion Resisting Steel Reduced Internal Radial Clearance and Threaded .pdf

    1、STD-AECMA PREN 4035-ENGL L99b E LOL23LL OOLL724 920 W Edition approved for publication 1996-06-28 AECMA STANDARD NORME AECMA AECMA NORM Comments should be sent within six months after the date of publication to AECMA Gulledelle 94 6-1 200 BRUXELLES prEN 4035 Edition P 1 June 1996 PUBLISHED BY THE EU

    2、ROPEAN ASSOCIATION OF AEROSPACE INDUSTRIES (AECMAI Gulledelle 94 - B-1200 BRUXELLES - Tel. (32) 2 775 81 10 - Fax. (32) 2 775 81 11 ICs : Descriptors : ENGLISH VERSION Aerospace series Rod ends, adjustable with self-aligning double row ball bearing in corrosion resisting steel, reduced internal radi

    3、al clearance and threaded shank in titanium alloy Dimensions and loads Srie arospatiale Embouts rglables rotule sur deux ranges de billes en acier rsistant la corrosion, jeu radial rduit et tige filete en alliage de titane Dimensions et charges Luft- und Raumfahrt Einstellbare senkpfe mit zweireihig

    4、em Pendelkugellager aus korrosionsbestndigem Stahl, reduzierte radiale Lagerluft und Gewindeschaft aus Titanlegierung Mae und Belastungen This “Aerospace Series“ Prestandard has been drawn up under the responsibility of AECMA (The European Association of Aerospace Industries). It is published on gre

    5、en paper for the needs of AECMA-Members. It has been technically approved by the experts of the concerned Technical Committee following comment by the Member countries. Subsequent to the publication of this Prestandard, the technical content shall not be changed to an extent that interchangeability

    6、is affected, physically or functionally, without re- identification of the standard. . After examination and signature of the AECMA Standard Checking Centre (NPSI and formal agreement of the Official Services of the Member countries it will be submitted as a draft European Standard to CEN (European

    7、Committee for Standardization) for formal vote. Nota - Extra copies can be supplied by B.N.A.E. - Technopolis 54 - 199, rue Jean-Jacques Rousseau - 921 38 ICSY-LES-MOULINEAUX CEDEX CI Chairman Mr Oestreicher aecrna 1996 - STD*AECMA PREN 4035-ENGL 399b m 1032313 131333725 Ab7 m Page 3 prEN 4035 : 199

    8、6 1 Scope This standard specifies the characteristics of adjustable rod ends with self-aligning double row ball bearing in corrosion resisting steel with reduced internal radial clearance and threaded shank in titanium alloy, designed to withstand only slow rotations and oscillations under load. The

    9、y consist of: - a rod end comprising: - circumferential groove to identify location; - either seals or shields; - an optional longitudinal groove for locking purpose; - an inner ring with balls. These rod ends are intended for use with flight control rods or rods for aerospace structures. They are i

    10、ntended to be used in the temperature range: - 54 OC to + 150 OC. However, being lubricated with the following greases: - very high pressure grease, ester type (code A), operational range - 73 OC to + 121 OC or - very high pressure grease, synthetic hydrocarbons, general purpose (code BI, operationa

    11、l range - 54 OC to + 177 OC (see EN 20671, their field of application when lubricated with code A grease is limited to + 121 OC. 2 Normative references This European Standard incorporates by dated or undated reference provisions from other publications. These normative references are cited at the ap

    12、propriate places in the text and the publications are listed hereafter. For dated references, subsequent amendments to or revisions of any of these publications apply to this European Standard only when incorporated in it by amendment or revision. For undated references the latest edition of the pub

    13、lication referred to applies. IS0 1 132 IS0 3353 IS0 5855-2 IS0 8075 EN 2067 EN 2424 EN 2808 EN 3289 EN 3315 EN 3353 TR 3775 Rolling bearings - Tolerances - Definitions Aerospace - Rolled threads for bolts - Lead and runout requirements Aerospace - MJ threads - Part 2: Limit dimensions for bolts and

    14、 nuts Aerospace - Surface treatment of hardenable stainless steel parts Aerospace series - Rod ends with self-aligning ball bearings - Technical specification Aerospace series - Marking of aerospace products Aerospace series - Anodizing of titanium and titanium alloys Aerospace series - Bearings, ai

    15、rframe rolling, double row self-aligning ball bearings, in corrosion resisting steel - Diameter series 2 - Dimensions and loads Aerospace series - Titanium alloy Ti-P63, solution treaded and aged - R, 2 1070 MPa - Forgings - De I 50 mm 2, Aerospace series - Titanium alloy Ti-P63, solution treated an

    16、d aged - R, 2 1100 MPa - Bar and wire for fasteners machined - De 5 25 mm 2, Aerospace series - Bolts and pins - National materials 3, 1) Published as AECMA 2) Published as AECMA 3) Published as AECMA Standard at the date of publication of this standard Prestandard at the date of publication of this

    17、 standard Previous page is blank Technical Report at the date of publication of this standard Page 4 prEN 4035 : 1996 3 Syrn bols The definitions of tolerances and clearances are given in IS0 1132. Ads = deviation of a single bore diameter Adrnp = single plane mean bore diameter deviation CS = permi

    18、ssible static radial load Fa max. = permissible static axial load 4 Required characteristics 4.1 Dimensions - Tolerances - Masses Configuration : see figure 1 ; the bearings are fitted with either seals or shields. Values : see figure 1 and table 1: values after surface treatment. 4.2 Surfaces rough

    19、ness Rolling elements and raceway: Ra = 0,2 pm Bore, side faces and cylindrical outer surface: Ra = 0,8 pm For code T values prior to the surface treatment 4.3 Materials Rod end of Rm 830 MPa on the whole rod end. Bearing : Outer ring Inner ring Balls Shields Seals : Titanium alloy EN 3315 or EN 335

    20、3 or TR 3775 by hardening and tempering to a strength see EN 3289 I 1 4.4 Surface treatment Rod end : anodizing EN 2808 Bearing : passivation IS0 8075: code T with no surface treatment : no code 4.5 Thread MJ thread to IS0 5855-2, rolled Right hand thread, code R Left hand thread, code L STD-AECMA P

    21、REN q035-ENGL L79b m LOL23LL 0011727 b3T m Page 5 prEN 4035 : 1996 Break sharp edges and corners and remove all burrs and slivers D i A-A Longitudinal groove Tvoe 1 6“ min. x (3 : 1) Break sharp corner a Cde K TYP? 2 Code M Type with shields Type with seals Code P Code E wit hout groove Code N 1) Th

    22、e acceptance value is the maximum value for the user. Figure 1 r4 max.0,l r- 3 r I NOTE 1 : The circumferential groove and the longitudinal groove over the distance F shall be painted red. NOTE 2 : The installation of seals and shields is at the manufacturers option. _ STD-AECMA PREN 4035-ENGL 199b

    23、D 1012311 0011728 57b D Permissible static loads Page 6 prEN 4035 : 1996 Starling torque 2) max. Table 1 Dimensions in millimetres Radial load c, ” kN Axial load mN.m Fa max. With I With kN seals shields 05 06 0,15 3,7 1,16 9,8 6f5 5,7 1,78 10,5 6,9 08 10 9,lO 2,84 24,O 15,9 14,lO 4,41 28,5 18,8 o,

    24、2 Diameter d B C D dl d2 Thread min. Code Nominal Tolerance Adrnp I Ads Clm o +Oll +0,2 -0,12 o O 10,5 08 -8 -10 Y 3 1 (continued) 11,l 24 MJ 12 x lf25-4h6h 13,6 30 MJ 14 x lf50-4h6h (concluded) +0,5 f0,l - N O -0,l S f 0,2 W Mass glpiece REF N min. 05 I 33 33 I 48 I 1,6 6,6 6 I 21 0,3 0,8 to 8,O 10

    25、,2 I 10 I 48 48 I 73 I 3,2 10 99 12,2 1) See IS0 5855-2. 2) F = minimum length of engaged thread: included thickness of lock washer and height of nut. 3) G = minimum length of useful thread. - 4.6 Loads, starting torques and clearances See table 2. Table 2 Swivelling torque 2) max. Push out load min

    26、. Clearance 2) Diameter code Pm Radial I Axial max. N.m N 1) Definition and testing for ultimate static loads as per EN 2067, annex E. 2) Definition and testing as per EN 2067. Page 7 prEN 4035 : 1996 Description block ROD END 5 Designation EXAMPLE: Identity block EN4035L05PKAT - Number of this stan

    27、dard Code letter for thread (see 4.5) Diameter code (see table 1) Code letter for shields or seals (see figure 1) Code for longitudinal groove type (see figure I) NOTE: If necessary, the originator code 19005 shall be placed between the description block and the identity block. 6 Marking EN 2424, style A Marking position and method are at manufacturers option. 7 Technical specification EN 2067


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