AECMA PREN 3019-1992 Aerospace Series Self-Locking Plate Nuts Floating Two-Lug in Heat Resisting Steel FE-PA92HT (A286) Classification 1 100 MPa (at Ambient Temperature) 650 Degre.pdf

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1、CEN PREN*3019 92 m 3404589 0031410 233 m Edition approved for publication A. E.C. M .A. STAN DARD NORME A.E.C.M.A. prEN 3019 Issue P 2 A.E.C.M.A. NORM August 1992 EDITE PAR LASSOCIATION EUROPEENNE DES CONSTRUCTEURS DE MATERIEL AEROCPATIAL Technopolis - 175. rue Jean-Jacques Rousseau - F-92138 Issy-l

2、es-rvloulineaux Cedex - T1 (1 147 36 38 75 I C8 Chairman I Comments should be sent within six months after the date of publication decision I UDC : Supersedes issue P1 October 1989 Key words : ENGLISH VERSION Aerospace series Self-locking plate nuts, floating, two-lug, in heat resisting steel Classi

3、fication : 1 100 MPa (at ambient temperature) /650 OC FE-PA92HT (A286) Srie arospatiale crous river freinage interne, flottants, double patte, en acier rsistant chaud Classification : 1 100 MPa (a temprature ambiante) / 650 OC FE-PA92HT (A286) Luft- und Raumfahrt Selbstsichernde Annietmuttern, beweg

4、lich, beidseitiger Flansch, aus hochwarmfestem Stahl Klasse : 1 100 MPa (bei Raumtemperatur) /650 OC FE- PA9 2HT (A286) 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 p

5、aper for the needs of AECMA-Members. It has been technically approved by the experts of the concerned 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,

6、 physically or functionally, without re-identification of the 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 S

7、tandardization) for final vote. 1992-08-31 i A E.C M A Technopolis - 175, rue Jean-Jacques Rousseau 921 38 Issy-les-Moulineaux Cdex - FRANCE I ! M. WILLIAMS I Copyright Association Europeene des Constructeurs de Materiel Aerospatial Provided by IHS under license with AECMANot for ResaleNo reproducti

8、on or networking permitted without license from IHS-,-,-CEN PREN*3019 92 m 3404589 0031411 1T W prEN 3019 Page 3 1 Scope and field of application This standard specifies the characteristics of self-locking, floating plate nuts in FE-PA92HT for aerospace applications. Classification : 1 100 MPa 1 / 6

9、50 OC 2, 2 References IS0 5855-2, Aerospace - MJ threads - Part 2 : Limit dimensions for bolts and nuts EN 2399, Heat resisting steel FE-PA92-HT - R, 2 900 MPa - Bars for forged bolts - D 5 25 mm - Aerospace series 3, EN 2424, Aerospace series - Identification marking of standard fasteners 3, EN 300

10、4, Aerospace series - Nuts, self-locking, in heat resisting steel FE-PA92HT (A2861 - Classification : 1 100 MPa / 650 OC - Technical specification EN 3638, Aerospace series - Heat resisting steel FE-PA92HT - Solution treated - Sheets and strips - a I 3 mm 5, EN 3639, Aerospace series - Heat resistin

11、g steel FE-PA92HT cold worked and softened - Bars and wires for continuous cold forging or extrusion of fasteners - 3 mm 5 D I 30 mm - R, 1 900 MPa 5, 3 Required characteristics 3.1 Configuration - Dimensions - Tolerances - Masses See figure 1 and table 1. Dimensions and tolerances are in millimetre

12、s. 3.2 Material Nut element : EN 2399, EN 3638 or EN 3639 Cage : EN 3638 The strength class of the bolt concerned which can withs and the load at ambient temperature when tested at 100 % load without cracking or breaking of the nut. 2, Maximum test temperature of the parts 3, Published as AECMA stan

13、dard at the date of publication of the present standard 4, Published as AECMA pre-standard at the date of publication of the present standard 5, In preparation at the date of publication of the present standard Previous page is blank Copyright Association Europeene des Constructeurs de Materiel Aero

14、spatial Provided by IHS under license with AECMANot for ResaleNo reproduction or networking permitted without license from IHS-,-,-CEN prEN 3019 Page 4 Y v .d . E- _. .- x -+I Marking in these areas Hadial float in all lines (see table) ., J i Thread surface will be as achieved by normal methods of

15、manufacture. xx V - . U O w L C +I _ A Y Form out-of-round in this area to achieve the self-locking requirement. (tooling marks permissible) , I i f, Chamfer or radius z-z - max. 0,l Remove sharp edges 0,l to 0,4 Details of form not stated are left to the manufacturers discretion. Figure 1 Table 1 i

16、 Mass parts DEFKLMNPR S W Radial kgll000 , - float Thread O i 0.2 Designation iiiax. max. max. inax. nom. - 0,5 min. O nom. Z min. - Code 2.54 050 MJ50,8-4t16H 3 19 9,5 19 12 25,2 7 0,6 6.5 2,4 2.5 070 MJ7xl-4H5H 26 13 26 16 33,2 10 0.8 8,5 3.2 3,s 4.75 6,40. 060 MJGxl-4H5H 22 11 22 13,5 29,2 9 7,5

17、3,5 0.5 11 in accordance with IS0 5855-2. In the self-locking zone, the tolerances apply before forming out-of-round. Copyright Association Europeene des Constructeurs de Materiel Aerospatial Provided by IHS under license with AECMANot for ResaleNo reproduction or networking permitted without licens

18、e from IHS-,-,-CEN PREN*:3Ib9 92 W 3404589 00311433 T42 W prEN 3019 Page 5 4 Designation Example : i Description block , Identity block i NUT I EN301 9-060 Number of this standard l ! Thread code (see table 11 Note : If necessary, the originator code 19005 shall be placed between the description blo

19、ck and the identity block. 5 Marking EN 2424, style N, as indicated on the figure 1 6 Technical specification EN 3004 Copyright Association Europeene des Constructeurs de Materiel Aerospatial Provided by IHS under license with AECMANot for ResaleNo reproduction or networking permitted without license from IHS-,-,-