ASD-STAN PREN 3014-2013 Aerospace series Shank nuts self-locking serrated in heat resisting steel FE-PA2601 (A286) Classification 1 100 MPa (at ambient temperature) 650 (Edition P.pdf

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1、ASD-STAN STANDARD NORME ASD-STAN ASD-STAN NORM prEN 3014 Edition P 3 December 2013 PUBLISHED BY THE AEROSPACE AND DEFENCE INDUSTRIES ASSOCIATION OF EUROPE - STANDARDIZATIONRue Montoyer 10 - 1000 Brussels - Tel. 32 2 775 8126 - Fax. 32 2 775 8131 - www.asd-stan.orgICS: Supersedes edition P 2 of Septe

2、mber 2001 and will supersede EN 3014:2001Descriptors: ENGLISH VERSION Aerospace series Shank nuts, self-locking, serrated, in heat resisting steel FE-PA2601 (A286) Classification: 1 100 MPa (at ambient temperature) / 650 C Srie arospatiale crous sertir, dentels, freinage interne, en acier rsistant c

3、haud FE-PA2601 (A286) Classification : 1 100 MPa ( temprature ambiante) / 650 C Luft- und Raumfahrt Einnietmuttern, selbstsichernd, verzahnt, aus hochwarmfestem Stahl FE-PA2601 (A286) Klasse: 1 100 MPa (bei Raumtemperatur) / 650 C This “Aerospace Series“ Prestandard has been drawn up under the respo

4、nsibility of ASD-STAN (The AeroSpace and Defence Industries Association of Europe - Standardization). It is published for the needs of the European Aerospace Industry. It has been technically approved by the experts of the concerned Domain following member comments. Subsequent to the publication of

5、this Prestandard, 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 review by users and formal agreement of ASD-STAN, it will be submitted as a draft European Stand

6、ard (prEN) to CEN (European Committee for Standardization) for formal vote and transformation to full European Standard (EN). The CEN national members have then to implement the EN at national level by giving the EN the status of a national standard and by withdrawing any national standards conflict

7、ing with the EN. Edition approved for publication 1st December 2013 Comments should be sent within six months after the date of publication to ASD-STAN Mechanical Domain Copyright 2013 by ASD-STAN prEN 3014:2013 (E) 2 Contents Page Foreword 2 1 Scope 3 2 Normative references 3 3 Required characteris

8、tics .3 3.1 Configuration Dimensions Tolerances Masses .3 3.2 Materials .4 4 Designation 5 5 Marking .5 6 Technical specification .6 7 Installation 6 Annex A (informative) Standard evolution form 7 Foreword This standard was reviewed by the Domain Technical Coordinator of ASD-STANs Mechanical Domain

9、. After inquiries and votes carried out in accordance with the rules of ASD-STAN defined in ASD-STANs General Process Manual, this standard has received approval for Publication. prEN 3014:2013 (E) 3 1 Scope This standard specifies the characteristics of self-locking serrated shank nuts in FE-PA2601

10、, for aerospace applications. Classification: 1 100 MPa 1)/ 650 C 2). NOTE FE-PA2601 is the new designation for FE-PA92HT, see TR 3900. 2 Normative references The following referenced documents are indispensable for the application of this document. For dated references, only the edition cited appli

11、es. For undated references, the latest edition of the referenced document (including any amendments) applies. EN 2399, Aerospace series Heat resisting steel FE-PA2601 (X4NiCrTiMoV26-15) Rm 900 MPa Bars for forged bolts D 25 mm EN 2424, Aerospace series Marking of aerospace products EN 3004, Aerospac

12、e series Nuts, self-locking, MJ threads, in heat resisting steel FE-PA2601 (A286) Classification: 1 100 MPa (at ambient temperature) / 650 C Technical specification EN 3064, Aerospace series Shank nuts, self-locking, serrated Installation procedure EN 3065, Aerospace series Installation holes for se

13、lf-locking, serrated shank nuts Design standard EN 3639, Aerospace series Heat resisting alloy FE-PA2601 Softened and cold worked Wire for forged fasteners D 15 mm 900 MPa Rm 1 100 MPa 3)ISO 5855-2, Aerospace MJ threads Part 2: Limit dimensions for bolts and nuts TR 3900, Aerospace series Metallic m

14、aterials Relationship between AECMA designation systems 4)3 Required characteristics 3.1 Configuration Dimensions Tolerances Masses See Figure 1 and Table 1. Dimensions and tolerances are in millimetres. 1) Corresponds to the minimum tensile stress which the nut is able to withstand at ambient tempe

15、rature without breaking or cracking when tested with a bolt of a higher strength class. 2) Maximum test temperature of the parts. 3) Published as ASD-STAN Prestandard at the date of publication of this standard. http:/www.asd-stan.org/ 4) Published as ASD-STAN Technical Report at the date of publica

16、tion of this standard. http:/www.asd-stan.org/ prEN 3014:2013 (E) 4 3.2 Materials EN 2399 or EN 3639 Thread surface will be as achieved by normal methods of manufacture. Remove sharp edges 0,1 to 0,4. Details of form not stated as well as style 1 or style 2, are at the manufacturers discretion. Styl

17、e 1 Style 2 Z Y Key 1 Thread 2 Pitch diameter 3 Form out-of-round in this area to achieve the self-locking requirement (tooling marks permissible) 4 Marking Figure 1 3,2 prEN 3014:2013 (E) 5 Table 1 Thread a A D1 b D2 D3 D4 D5 D6 Wire Code Designation 0 0,7 min. min. 0 0,3 max. 0 0,23 0,26 0 No. D7

18、050 MJ50,8-4H6H 6,8 6,3 5,12 10,1 7,7 7,38 6,36 3 1,0 060 MJ61-4H5H 8,6 7,7 6,56 11,5 8,7 8,98 7,91 2 1,2 070 MJ71-4H5H 9,7 8,4 8,10 12,7 9,8 10,28 9,18 3 1,5 080 MJ81-4H5H 10 9,5 10,9 Thread D8 D9 F H J R1 Mass code kg/1 000 parts max. min. max. min. max. Number of teeth 0,4 0,1 max. min. 050 8,730

19、 8,639 7,75 0,9 3,3 17 2,0 8630 1,97 1,71 060 10,638 10,547 9,15 1,4 3,6 20 102 3,02 2,73 070 12,536 12,445 10,4 5 23 2,5 3,84 3,46 080 7 4,21 3,58 a In accordance with ISO 5855-2. In the self-locking zone, the tolerances apply before forming out-of-round. b Dimensions apply before forming out-of-ro

20、und. 4 Designation EXAMPLE Description block NUT Identity block EN3014-080 Number of this standard Three code (see Table 1) NOTE If necessary, the code I9005 shall be placed between the description block and the identity block. 5 Marking EN 2424, style A, as indicated on Figure 1. prEN 3014:2013 (E)

21、 6 6 Technical specification EN 3004 7 Installation The nuts shall be installed according to the procedure specified in EN 3064 in installation holes to EN 3065. Careful attention shall be paid to notch sensitivity of the materials in which they are to be installed. prEN 3014:2013 (E) 7 Annex A (inf

22、ormative) Standard evolution form MODIFICATION REASON AND VALIDATION Figure 1 Before: D2 is external diameter of the shank After: D2 is internal diameter of the shank Error during EN 3014 transforming Figure 1 Before: Length of serration 14,5 min. After: Length of serration 1,45 min. The previous va

23、lue is not compatible with the length of the shank (2,3) Figure 1 Before: Length of nut D After: Length of nut A Error during EN 3014 transforming Table 1 Before: D2 max. After: D2 min. Error during EN 3014 transforming Table 1 Before: “Number” + all values except for code 080. After: “Number of teeth” + values for all codes. Error during EN 3014 transforming

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