ASD-STAN PREN 2863-1993 Aerospace Series Nuts Anchor Self-Locking Fixed 90 Degree Corner with Counterbore in Heat Resisting Steel MoS2 Lubricated Classification 1 100 MPa (at Ambi.pdf

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1、CEN *PREN*2863 93 m 3404589 0045b22 384 m Edition approved for publication 1993-02-26 AECMA STANDARD prEN 2863 NORME AECMA Edition P 1 AECMA NORM February 7993 Comments should be sent within six months after the date of publication to AECMA Technopolis - 175, rue Jean-Jacques Rousseau 921 38 Issy-le

2、s-Moulineaux Cedex - FRANCE EDITE PAR LASSOCIATION EUROPEENNE DES CONSTRUCTEURS DE MATERIEL AEROSPATIAL Technopolis - 175, rue Jean-Jacques Rousseau - F-92138 Issy-les-Moulineaux Cedex - Tl. (1) 47.36.98.76 CORRIGENDUM 1993 - 05 - 10 ENGLISH VERSION Aerospace series Nuts, anchor, self-locking, fixed

3、, 90 corner, with counterbore, in heat resisting steel, Mos2 lubricated Classification : 1 1 O0 MPa (at ambient temperature) / 31 5 OC Srie arospatiale Luft- und Raumfahrt crous river, freinage interne, fixes, dangle 90, avec chambrage, en acier rsistant chaud, lubrifis Mos2 Annietmuttern, selbstsic

4、hernd, 90 Eckflansch, mit zylindrischer Aussenkung, aus hochwarmfestem Stahl, MoS2-geschmiert Classification : 1 100 MPa ( temprature ambiante) I 31 5 OC Klasse : 1 100 MPa (bei Raumtemperaturl I 31 5 OC Replace page 3 of the previous edition by the attached page 3 modified as follows : Footnote II

5、is changed to : Corresponds to strength class of the associated bolt, the 100 per cent load of which it is able to withstand, when tested at ambient temperature, without breaking or cracking. Note : prEN 2863, Edition P 1, February 1993, has been distributed by circular AECMAiBNAE n O 55434 dated 19

6、93-02- 19. Nota - Extra copies can be supplied by B.N.A.E. - Technopolis 54 - 199, rue Jean-Jacques Rousseau - 92138 ISSY-LES-MOULINEAUX CEDEX C3 Chairman Mr. Arena aecma 1993 COPYRIGHT Association Europeene Des Constructeurs de Materiel AerospaceLicensed by Information Handling ServicesCEN PREN*Z86

7、3 93 = 3404589 0039973 25T Comments should be sent within six months after the date of publication decision A.E.C.M.A. Technopolis - 175, rue Jean-Jacques Rousseau 921 38 Issy-les-Moulineaux Cedex - FRANCE Edition approved for publication 1993-02-26 A.E.C.M.A. STANDARD NORME A.E.C.M.A. A.E.C.M.A. NO

8、RM C3 Chairman Mr. ARENA prEN 2863 Edition P 1 February 1993 EDITE PAR LASSOCIATION EUROPEENNE DES CONSTRUCTEURS DE MATERIEL AEROSPATIAL Technopolis - 175, rue Jean-Jacques Rousseau - F-92138 Issy-les-Moulineaux Cedex - Tl. (1) 47.36.98.76 UDC : Descriptors : ENGLISH VERSION Aerospace series Nuts, a

9、nchor, self-locking, fixed, 90 corner, with counterbore, in heat resisting steel, Mos2 lubricated Classification : 1 100 MPa (at ambient temperature) / 315 OC Srie arospatiale Luft- und Raumfahrt Ecrous river, freinage interne, fixes, dangle 90, avec chambrage, en acier rsistant chaud, lubrifis Mos2

10、 Classification : 1 100 MPa ( temprature ambiante) I315 OC Annietmuttern, selbstsichernd, 90 Eckflansch, mit zylindrischer Aussenkung, aus hochwarmfestem Stahl, Mos2-geschmiert Klasse : 1 100 MPa (bei Raumtemperatur) I315 OC This “Aerospace Series pre-standard has been drawn up under the responsibil

11、ity of AECMA (Association Europenne des Constructeurs de Matriel Arospatial). It is published on green paper 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 pr

12、e-standard, the technical content shall not be changed to an extent that interchangeability is affected, physically or functionally, without re-identification of the standard. After examination and signature of the AECMA Standard Checking Centre INPSI and formal agreement of the Official Services of

13、 the Member countries it will be submitted as a draft European Standard to CEN (European Committee for Standardization) for final vote. 0 aecma 1993 COPYRIGHT Association Europeene Des Constructeurs de Materiel AerospaceLicensed by Information Handling ServicesCEN PREN*i28b3 93 m 3404589 0039974 L9b

14、 prEN 2863 Page 3 1 Scope This standard specifies the characteristics of 90 corner, counterbored fixed anchor nuts, with a self-locking feature achieved by forming the upper portion out-of-round, in heat resisting steel, MOS, lubricated. Classification : 1 1 O0 MPa / 31 5 OC 2, 2 Normative reference

15、s IS0 3221 IS0 5855-2 IS0 5858 IS0 8788 EN 2000 EN 2398 EN 2399 EN 2424 EN 2491 EN 3042 EN 3638 EN 3639 TR 3791 Aerospace - Nuts, anchor, self-locking, fixed, 90 corner, with counterbore, with MJ threads, coated or uncoated, classification 1 100 MPa / 235 OC, 1 100 MPa / 31 5 OC or 1 100 MPa / 425 O

16、C - Dimensions Aerospace - MJ threads - Part 2 : Limit dimensions for bolts and nuts Aerospace - Self-locking nuts with maximum operating temperature less than or equal to 425 OC - Procurement specification Aerospace - Fasteners - Tolerances of form and position for nuts Aerospace series - Quality a

17、ssurance - EN aerospace products I Approval of the quality system of manufacturers Heat resisting steel FE-PA92-HT - Rm 2 900 MPa - Bars for machined bolts - D I 25 mm - Aerospace series 3, Heat resisting steel FE-PA92-HT - Rm 2 900 MPa - Bars for forged bolts - D I 25 mm - Aerospace series 3, Aeros

18、pace series - Identification marking of standard fasteners 3, Aerospace series - Molybdenum disulphide dry lubricants - Coating methods 4, Aerospace series - Quality assurance - EN aerospace products - Qualification procedure Aerospace series - Heat resisting steel FE-PA92HT - Solution treated - She

19、et and strip - a I 3 mm 4) Aerospace series - Heat resisting steel FE-PA92HT, cold worked and softened - Bars and wires for continuous cold forging or extrusion of fasteners - 3 mm I D I30 mm - 900 MPa I Rm Il 100 MPa 4, Aerospace series - Materials for all metal self-locking nuts and thin wall inse

20、rts of temperature classes I425 OC 5, 1) The strength class of the nut corresponds to the minimum stress which the nut is able to withstand, at ambient temperature, without breaking or cracking. 2) Maximum temperature that the nut is able to withstand, without permanent alteration to its original ch

21、aracteristics, after ambient temperature has been restored. The maximum temperature is conditioned by the surface treatment. 3) Published as AECMA standard at the date of publication of this standard 4) In preparation at the date of publication of this standard 5) Published as AECMA technical report

22、 at the date of publication of this standard Previous page is blank COPYRIGHT Association Europeene Des Constructeurs de Materiel AerospaceLicensed by Information Handling ServicesprEN 2863 Page 4 CEN PREN*28b3 93 3404589 0039975 O22 M 3 Required characteristics 3.1 Configuration - Dimensions - Mass

23、es See figure 1 and table 1. Dimensions and tolerances are : in conformity with IS0 3221, expressed in millimetres and apply before MOS, lubrication. Form and position tolerances shall be in conformity with IS0 8788. 3.2 Materials EN 2398, EN 2399, EN 3638, EN 3639 or TR 3791 3.3 Surface treatment E

24、N 249 1, thickness not specified 2 - SF-02-93-T4 COPYRIGHT Association Europeene Des Constructeurs de Materiel AerospaceLicensed by Information Handling ServicesCEN PREN82863 93 3404589 0039976 Tbi = prEN 2863 Page 5 Remove sharp edges 0,l to 0,4 Alternatives: countersunk rivet holes whrn Spec i f i

25、 od by purchoser) may bo dimpled or cut countorsunk (at manufacturers option), Y-Y 1)These values in micrometres apply before surface treatment. The values do not apply to threads and sheared edges the surface texture of which will be achieved by usual manufacturing methods. 2)Tooling marks are perm

26、itted in this area. 3) Details of form not stated are at the manufacturers option. Figure Table 3) 1 2) Is to sharp corners (chamfered) or point of tangency fradiused). 3) Is applicable at the rivet hole location. 4) Diameter code 030 does not have a counterbore. COPYRIGHT Association Europeene Des

27、Constructeurs de Materiel AerospaceLicensed by Information Handling ServicesCEN PREN*Z863 93 H 3404589 O039977 T5 prEN 2863 Page 6 4 Designation EXAMPLE : Description block 1 Identity ,.xk Hole code (see table 2) Diameter code (see table 1) NOTE : If necessary, the originator code 19005 shall be pla

28、ced between the description block and the identity block. Table 2 5 Marking EN 2424, style N. See figure 1. 6 Technical specification IS0 5858 except for : - Approval of manufacturers : see EN 2000 ; - Qualification of products : see EN 3042. COPYRIGHT Association Europeene Des Constructeurs de Materiel AerospaceLicensed by Information Handling Services

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